diff options
Diffstat (limited to 'arch')
70 files changed, 551 insertions, 251 deletions
diff --git a/arch/arc/mm/mmap.c b/arch/arc/mm/mmap.c index 3e25e8d6486b..2e13683dfb24 100644 --- a/arch/arc/mm/mmap.c +++ b/arch/arc/mm/mmap.c @@ -65,7 +65,7 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, vma = find_vma(mm, addr); if (TASK_SIZE - len >= addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma))) return addr; } diff --git a/arch/arm/boot/dts/am335x-sl50.dts b/arch/arm/boot/dts/am335x-sl50.dts index c5d2589c55fc..fc864a855991 100644 --- a/arch/arm/boot/dts/am335x-sl50.dts +++ b/arch/arm/boot/dts/am335x-sl50.dts @@ -220,7 +220,7 @@ mmc1_pins: pinmux_mmc1_pins { pinctrl-single,pins = < - AM33XX_IOPAD(0x960, PIN_INPUT | MUX_MODE7) /* spi0_cs1.gpio0_6 */ + AM33XX_IOPAD(0x96c, PIN_INPUT | MUX_MODE7) /* uart0_rtsn.gpio1_9 */ >; }; @@ -280,10 +280,6 @@ AM33XX_IOPAD(0x834, PIN_INPUT_PULLUP | MUX_MODE7) /* nKbdReset - gpmc_ad13.gpio1_13 */ AM33XX_IOPAD(0x838, PIN_INPUT_PULLUP | MUX_MODE7) /* nDispReset - gpmc_ad14.gpio1_14 */ AM33XX_IOPAD(0x844, PIN_INPUT_PULLUP | MUX_MODE7) /* USB1_enPower - gpmc_a1.gpio1_17 */ - /* AVR Programming - SPI Bus (bit bang) - Screen and Keyboard */ - AM33XX_IOPAD(0x954, PIN_INPUT_PULLUP | MUX_MODE7) /* Kbd/Disp/BattMOSI spi0_d0.gpio0_3 */ - AM33XX_IOPAD(0x958, PIN_INPUT_PULLUP | MUX_MODE7) /* Kbd/Disp/BattMISO spi0_d1.gpio0_4 */ - AM33XX_IOPAD(0x950, PIN_INPUT_PULLUP | MUX_MODE7) /* Kbd/Disp/BattSCLK spi0_clk.gpio0_2 */ /* PDI Bus - Battery system */ AM33XX_IOPAD(0x840, PIN_INPUT_PULLUP | MUX_MODE7) /* nBattReset gpmc_a0.gpio1_16 */ AM33XX_IOPAD(0x83c, PIN_INPUT_PULLUP | MUX_MODE7) /* BattPDIData gpmc_ad15.gpio1_15 */ @@ -384,7 +380,7 @@ pinctrl-names = "default"; pinctrl-0 = <&mmc1_pins>; bus-width = <4>; - cd-gpios = <&gpio0 6 GPIO_ACTIVE_LOW>; + cd-gpios = <&gpio1 9 GPIO_ACTIVE_LOW>; vmmc-supply = <&vmmcsd_fixed>; }; diff --git a/arch/arm/boot/dts/sunxi-h3-h5.dtsi b/arch/arm/boot/dts/sunxi-h3-h5.dtsi index 1aeeacb3a884..d4f600dbb7eb 100644 --- a/arch/arm/boot/dts/sunxi-h3-h5.dtsi +++ b/arch/arm/boot/dts/sunxi-h3-h5.dtsi @@ -558,10 +558,11 @@ }; r_ccu: clock@1f01400 { - compatible = "allwinner,sun50i-a64-r-ccu"; + compatible = "allwinner,sun8i-h3-r-ccu"; reg = <0x01f01400 0x100>; - clocks = <&osc24M>, <&osc32k>, <&iosc>; - clock-names = "hosc", "losc", "iosc"; + clocks = <&osc24M>, <&osc32k>, <&iosc>, + <&ccu 9>; + clock-names = "hosc", "losc", "iosc", "pll-periph"; #clock-cells = <1>; #reset-cells = <1>; }; diff --git a/arch/arm/mm/mmap.c b/arch/arm/mm/mmap.c index 2239fde10b80..f0701d8d24df 100644 --- a/arch/arm/mm/mmap.c +++ b/arch/arm/mm/mmap.c @@ -90,7 +90,7 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, vma = find_vma(mm, addr); if (TASK_SIZE - len >= addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma))) return addr; } @@ -141,7 +141,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, addr = PAGE_ALIGN(addr); vma = find_vma(mm, addr); if (TASK_SIZE - len >= addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma))) return addr; } diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi index c7f669f5884f..166c9ef884dc 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi @@ -406,8 +406,9 @@ r_ccu: clock@1f01400 { compatible = "allwinner,sun50i-a64-r-ccu"; reg = <0x01f01400 0x100>; - clocks = <&osc24M>, <&osc32k>, <&iosc>; - clock-names = "hosc", "losc", "iosc"; + clocks = <&osc24M>, <&osc32k>, <&iosc>, + <&ccu 11>; + clock-names = "hosc", "losc", "iosc", "pll-periph"; #clock-cells = <1>; #reset-cells = <1>; }; diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h5.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h5.dtsi index 4d314a253fd9..732e2e06f503 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-h5.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-h5.dtsi @@ -40,7 +40,7 @@ * OTHER DEALINGS IN THE SOFTWARE. */ -#include "sunxi-h3-h5.dtsi" +#include <arm/sunxi-h3-h5.dtsi> / { cpus { diff --git a/arch/arm64/boot/dts/allwinner/sunxi-h3-h5.dtsi b/arch/arm64/boot/dts/allwinner/sunxi-h3-h5.dtsi deleted file mode 120000 index 036f01dc2b9b..000000000000 --- a/arch/arm64/boot/dts/allwinner/sunxi-h3-h5.dtsi +++ /dev/null @@ -1 +0,0 @@ -../../../../arm/boot/dts/sunxi-h3-h5.dtsi
\ No newline at end of file diff --git a/arch/arm64/kernel/vdso.c b/arch/arm64/kernel/vdso.c index 41b6e31f8f55..d0cb007fa482 100644 --- a/arch/arm64/kernel/vdso.c +++ b/arch/arm64/kernel/vdso.c @@ -221,10 +221,11 @@ void update_vsyscall(struct timekeeper *tk) /* tkr_mono.cycle_last == tkr_raw.cycle_last */ vdso_data->cs_cycle_last = tk->tkr_mono.cycle_last; vdso_data->raw_time_sec = tk->raw_time.tv_sec; - vdso_data->raw_time_nsec = tk->raw_time.tv_nsec; + vdso_data->raw_time_nsec = (tk->raw_time.tv_nsec << + tk->tkr_raw.shift) + + tk->tkr_raw.xtime_nsec; vdso_data->xtime_clock_sec = tk->xtime_sec; vdso_data->xtime_clock_nsec = tk->tkr_mono.xtime_nsec; - /* tkr_raw.xtime_nsec == 0 */ vdso_data->cs_mono_mult = tk->tkr_mono.mult; vdso_data->cs_raw_mult = tk->tkr_raw.mult; /* tkr_mono.shift == tkr_raw.shift */ diff --git a/arch/arm64/kernel/vdso/gettimeofday.S b/arch/arm64/kernel/vdso/gettimeofday.S index e00b4671bd7c..76320e920965 100644 --- a/arch/arm64/kernel/vdso/gettimeofday.S +++ b/arch/arm64/kernel/vdso/gettimeofday.S @@ -256,7 +256,6 @@ monotonic_raw: seqcnt_check fail=monotonic_raw /* All computations are done with left-shifted nsecs. */ - lsl x14, x14, x12 get_nsec_per_sec res=x9 lsl x9, x9, x12 diff --git a/arch/arm64/net/bpf_jit_comp.c b/arch/arm64/net/bpf_jit_comp.c index 71f930501ade..c870d6f01ac2 100644 --- a/arch/arm64/net/bpf_jit_comp.c +++ b/arch/arm64/net/bpf_jit_comp.c @@ -36,6 +36,7 @@ int bpf_jit_enable __read_mostly; #define TMP_REG_1 (MAX_BPF_JIT_REG + 0) #define TMP_REG_2 (MAX_BPF_JIT_REG + 1) #define TCALL_CNT (MAX_BPF_JIT_REG + 2) +#define TMP_REG_3 (MAX_BPF_JIT_REG + 3) /* Map BPF registers to A64 registers */ static const int bpf2a64[] = { @@ -57,6 +58,7 @@ static const int bpf2a64[] = { /* temporary registers for internal BPF JIT */ [TMP_REG_1] = A64_R(10), [TMP_REG_2] = A64_R(11), + [TMP_REG_3] = A64_R(12), /* tail_call_cnt */ [TCALL_CNT] = A64_R(26), /* temporary register for blinding constants */ @@ -319,6 +321,7 @@ static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx) const u8 src = bpf2a64[insn->src_reg]; const u8 tmp = bpf2a64[TMP_REG_1]; const u8 tmp2 = bpf2a64[TMP_REG_2]; + const u8 tmp3 = bpf2a64[TMP_REG_3]; const s16 off = insn->off; const s32 imm = insn->imm; const int i = insn - ctx->prog->insnsi; @@ -689,10 +692,10 @@ emit_cond_jmp: emit(A64_PRFM(tmp, PST, L1, STRM), ctx); emit(A64_LDXR(isdw, tmp2, tmp), ctx); emit(A64_ADD(isdw, tmp2, tmp2, src), ctx); - emit(A64_STXR(isdw, tmp2, tmp, tmp2), ctx); + emit(A64_STXR(isdw, tmp2, tmp, tmp3), ctx); jmp_offset = -3; check_imm19(jmp_offset); - emit(A64_CBNZ(0, tmp2, jmp_offset), ctx); + emit(A64_CBNZ(0, tmp3, jmp_offset), ctx); break; /* R0 = ntohx(*(size *)(((struct sk_buff *)R6)->data + imm)) */ diff --git a/arch/frv/mm/elf-fdpic.c b/arch/frv/mm/elf-fdpic.c index da82c25301e7..46aa289c5102 100644 --- a/arch/frv/mm/elf-fdpic.c +++ b/arch/frv/mm/elf-fdpic.c @@ -75,7 +75,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi addr = PAGE_ALIGN(addr); vma = find_vma(current->mm, addr); if (TASK_SIZE - len >= addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma))) goto success; } diff --git a/arch/mips/boot/Makefile b/arch/mips/boot/Makefile index 2728a9a9c7c5..145b5ce8eb7e 100644 --- a/arch/mips/boot/Makefile +++ b/arch/mips/boot/Makefile @@ -128,19 +128,19 @@ quiet_cmd_cpp_its_S = ITS $@ -DADDR_BITS=$(ADDR_BITS) \ -DADDR_CELLS=$(itb_addr_cells) -$(obj)/vmlinux.its: $(srctree)/arch/mips/$(PLATFORM)/vmlinux.its.S FORCE +$(obj)/vmlinux.its: $(srctree)/arch/mips/$(PLATFORM)/vmlinux.its.S $(VMLINUX) FORCE $(call if_changed_dep,cpp_its_S,none,vmlinux.bin) -$(obj)/vmlinux.gz.its: $(srctree)/arch/mips/$(PLATFORM)/vmlinux.its.S FORCE +$(obj)/vmlinux.gz.its: $(srctree)/arch/mips/$(PLATFORM)/vmlinux.its.S $(VMLINUX) FORCE $(call if_changed_dep,cpp_its_S,gzip,vmlinux.bin.gz) -$(obj)/vmlinux.bz2.its: $(srctree)/arch/mips/$(PLATFORM)/vmlinux.its.S FORCE +$(obj)/vmlinux.bz2.its: $(srctree)/arch/mips/$(PLATFORM)/vmlinux.its.S $(VMLINUX) FORCE $(call if_changed_dep,cpp_its_S,bzip2,vmlinux.bin.bz2) -$(obj)/vmlinux.lzma.its: $(srctree)/arch/mips/$(PLATFORM)/vmlinux.its.S FORCE +$(obj)/vmlinux.lzma.its: $(srctree)/arch/mips/$(PLATFORM)/vmlinux.its.S $(VMLINUX) FORCE $(call if_changed_dep,cpp_its_S,lzma,vmlinux.bin.lzma) -$(obj)/vmlinux.lzo.its: $(srctree)/arch/mips/$(PLATFORM)/vmlinux.its.S FORCE +$(obj)/vmlinux.lzo.its: $(srctree)/arch/mips/$(PLATFORM)/vmlinux.its.S $(VMLINUX) FORCE $(call if_changed_dep,cpp_its_S,lzo,vmlinux.bin.lzo) quiet_cmd_itb-image = ITB $@ diff --git a/arch/mips/include/asm/highmem.h b/arch/mips/include/asm/highmem.h index d34536e7653f..279b6d14ffeb 100644 --- a/arch/mips/include/asm/highmem.h +++ b/arch/mips/include/asm/highmem.h @@ -35,7 +35,12 @@ extern pte_t *pkmap_page_table; * easily, subsequent pte tables have to be allocated in one physical * chunk of RAM. */ +#ifdef CONFIG_PHYS_ADDR_T_64BIT +#define LAST_PKMAP 512 +#else #define LAST_PKMAP 1024 +#endif + #define LAST_PKMAP_MASK (LAST_PKMAP-1) #define PKMAP_NR(virt) ((virt-PKMAP_BASE) >> PAGE_SHIFT) #define PKMAP_ADDR(nr) (PKMAP_BASE + ((nr) << PAGE_SHIFT)) diff --git a/arch/mips/include/asm/kprobes.h b/arch/mips/include/asm/kprobes.h index 291846d9ba83..ad1a99948f27 100644 --- a/arch/mips/include/asm/kprobes.h +++ b/arch/mips/include/asm/kprobes.h @@ -43,7 +43,8 @@ typedef union mips_instruction kprobe_opcode_t; #define flush_insn_slot(p) \ do { \ - flush_icache_range((unsigned long)p->addr, \ + if (p->addr) \ + flush_icache_range((unsigned long)p->addr, \ (unsigned long)p->addr + \ (MAX_INSN_SIZE * sizeof(kprobe_opcode_t))); \ } while (0) diff --git a/arch/mips/include/asm/pgtable-32.h b/arch/mips/include/asm/pgtable-32.h index 6f94bed571c4..74afe8c76bdd 100644 --- a/arch/mips/include/asm/pgtable-32.h +++ b/arch/mips/include/asm/pgtable-32.h @@ -19,6 +19,10 @@ #define __ARCH_USE_5LEVEL_HACK #include <asm-generic/pgtable-nopmd.h> +#ifdef CONFIG_HIGHMEM +#include <asm/highmem.h> +#endif + extern int temp_tlb_entry; /* @@ -62,7 +66,8 @@ extern int add_temporary_entry(unsigned long entrylo0, unsigned long entrylo1, #define VMALLOC_START MAP_BASE -#define PKMAP_BASE (0xfe000000UL) +#define PKMAP_END ((FIXADDR_START) & ~((LAST_PKMAP << PAGE_SHIFT)-1)) +#define PKMAP_BASE (PKMAP_END - PAGE_SIZE * LAST_PKMAP) #ifdef CONFIG_HIGHMEM # define VMALLOC_END (PKMAP_BASE-2*PAGE_SIZE) diff --git a/arch/mips/kernel/branch.c b/arch/mips/kernel/branch.c index b11facd11c9d..f702a459a830 100644 --- a/arch/mips/kernel/branch.c +++ b/arch/mips/kernel/branch.c @@ -804,8 +804,10 @@ int __compute_return_epc_for_insn(struct pt_regs *regs, break; } /* Compact branch: BNEZC || JIALC */ - if (insn.i_format.rs) + if (!insn.i_format.rs) { + /* JIALC: set $31/ra */ regs->regs[31] = epc + 4; + } regs->cp0_epc += 8; break; #endif diff --git a/arch/mips/kernel/ftrace.c b/arch/mips/kernel/ftrace.c index 30a3b75e88eb..9d9b8fbae202 100644 --- a/arch/mips/kernel/ftrace.c +++ b/arch/mips/kernel/ftrace.c @@ -38,20 +38,6 @@ void arch_ftrace_update_code(int command) #endif -/* - * Check if the address is in kernel space - * - * Clone core_kernel_text() from kernel/extable.c, but doesn't call - * init_kernel_text() for Ftrace doesn't trace functions in init sections. - */ -static inline int in_kernel_space(unsigned long ip) -{ - if (ip >= (unsigned long)_stext && - ip <= (unsigned long)_etext) - return 1; - return 0; -} - #ifdef CONFIG_DYNAMIC_FTRACE #define JAL 0x0c000000 /* jump & link: ip --> ra, jump to target */ @@ -198,7 +184,7 @@ int ftrace_make_nop(struct module *mod, * If ip is in kernel space, no long call, otherwise, long call is * needed. */ - new = in_kernel_space(ip) ? INSN_NOP : INSN_B_1F; + new = core_kernel_text(ip) ? INSN_NOP : INSN_B_1F; #ifdef CONFIG_64BIT return ftrace_modify_code(ip, new); #else @@ -218,12 +204,12 @@ int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr) unsigned int new; unsigned long ip = rec->ip; - new = in_kernel_space(ip) ? insn_jal_ftrace_caller : insn_la_mcount[0]; + new = core_kernel_text(ip) ? insn_jal_ftrace_caller : insn_la_mcount[0]; #ifdef CONFIG_64BIT return ftrace_modify_code(ip, new); #else - return ftrace_modify_code_2r(ip, new, in_kernel_space(ip) ? + return ftrace_modify_code_2r(ip, new, core_kernel_text(ip) ? INSN_NOP : insn_la_mcount[1]); #endif } @@ -289,7 +275,7 @@ unsigned long ftrace_get_parent_ra_addr(unsigned long self_ra, unsigned long * instruction "lui v1, hi_16bit_of_mcount"(offset is 24), but for * kernel, move after the instruction "move ra, at"(offset is 16) */ - ip = self_ra - (in_kernel_space(self_ra) ? 16 : 24); + ip = self_ra - (core_kernel_text(self_ra) ? 16 : 24); /* * search the text until finding the non-store instruction or "s{d,w} @@ -394,7 +380,7 @@ void prepare_ftrace_return(unsigned long *parent_ra_addr, unsigned long self_ra, * entries configured through the tracing/set_graph_function interface. */ - insns = in_kernel_space(self_ra) ? 2 : MCOUNT_OFFSET_INSNS + 1; + insns = core_kernel_text(self_ra) ? 2 : MCOUNT_OFFSET_INSNS + 1; trace.func = self_ra - (MCOUNT_INSN_SIZE * insns); /* Only trace if the calling function expects to */ diff --git a/arch/mips/kernel/perf_event_mipsxx.c b/arch/mips/kernel/perf_event_mipsxx.c index 313a88b2973f..f3e301f95aef 100644 --- a/arch/mips/kernel/perf_event_mipsxx.c +++ b/arch/mips/kernel/perf_event_mipsxx.c @@ -1597,7 +1597,6 @@ static const struct mips_perf_event *mipsxx_pmu_map_raw_event(u64 config) break; case CPU_P5600: case CPU_P6600: - case CPU_I6400: /* 8-bit event numbers */ raw_id = config & 0x1ff; base_id = raw_id & 0xff; @@ -1610,6 +1609,11 @@ static const struct mips_perf_event *mipsxx_pmu_map_raw_event(u64 config) raw_event.range = P; #endif break; + case CPU_I6400: + /* 8-bit event numbers */ + base_id = config & 0xff; + raw_event.cntr_mask = CNTR_EVEN | CNTR_ODD; + break; case CPU_1004K: if (IS_BOTH_COUNTERS_1004K_EVENT(base_id)) raw_event.cntr_mask = CNTR_EVEN | CNTR_ODD; diff --git a/arch/mips/kvm/tlb.c b/arch/mips/kvm/tlb.c index 7c6336dd2638..7cd92166a0b9 100644 --- a/arch/mips/kvm/tlb.c +++ b/arch/mips/kvm/tlb.c @@ -166,7 +166,11 @@ static int _kvm_mips_host_tlb_inv(unsigned long entryhi) int kvm_mips_host_tlb_inv(struct kvm_vcpu *vcpu, unsigned long va, bool user, bool kernel) { - int idx_user, idx_kernel; + /* + * Initialize idx_user and idx_kernel to workaround bogus + * maybe-initialized warning when using GCC 6. + */ + int idx_user = 0, idx_kernel = 0; unsigned long flags, old_entryhi; local_irq_save(flags); diff --git a/arch/mips/mm/mmap.c b/arch/mips/mm/mmap.c index 64dd8bdd92c3..28adeabe851f 100644 --- a/arch/mips/mm/mmap.c +++ b/arch/mips/mm/mmap.c @@ -93,7 +93,7 @@ static unsigned long arch_get_unmapped_area_common(struct file *filp, vma = find_vma(mm, addr); if (TASK_SIZE - len >= addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma))) return addr; } diff --git a/arch/mips/mm/pgtable-32.c b/arch/mips/mm/pgtable-32.c index adc6911ba748..b19a3c506b1e 100644 --- a/arch/mips/mm/pgtable-32.c +++ b/arch/mips/mm/pgtable-32.c @@ -51,15 +51,15 @@ void __init pagetable_init(void) /* * Fixed mappings: */ - vaddr = __fix_to_virt(__end_of_fixed_addresses - 1) & PMD_MASK; - fixrange_init(vaddr, vaddr + FIXADDR_SIZE, pgd_base); + vaddr = __fix_to_virt(__end_of_fixed_addresses - 1); + fixrange_init(vaddr & PMD_MASK, vaddr + FIXADDR_SIZE, pgd_base); #ifdef CONFIG_HIGHMEM /* * Permanent kmaps: */ vaddr = PKMAP_BASE; - fixrange_init(vaddr, vaddr + PAGE_SIZE*LAST_PKMAP, pgd_base); + fixrange_init(vaddr & PMD_MASK, vaddr + PAGE_SIZE*LAST_PKMAP, pgd_base); pgd = swapper_pg_dir + __pgd_offset(vaddr); pud = pud_offset(pgd, vaddr); diff --git a/arch/parisc/kernel/sys_parisc.c b/arch/parisc/kernel/sys_parisc.c index e5288638a1d9..378a754ca186 100644 --- a/arch/parisc/kernel/sys_parisc.c +++ b/arch/parisc/kernel/sys_parisc.c @@ -90,7 +90,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsigned long len, unsigned long pgoff, unsigned long flags) { struct mm_struct *mm = current->mm; - struct vm_area_struct *vma; + struct vm_area_struct *vma, *prev; unsigned long task_size = TASK_SIZE; int do_color_align, last_mmap; struct vm_unmapped_area_info info; @@ -117,9 +117,10 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, else addr = PAGE_ALIGN(addr); - vma = find_vma(mm, addr); + vma = find_vma_prev(mm, addr, &prev); if (task_size - len >= addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma)) && + (!prev || addr >= vm_end_gap(prev))) goto found_addr; } @@ -143,7 +144,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, const unsigned long len, const unsigned long pgoff, const unsigned long flags) { - struct vm_area_struct *vma; + struct vm_area_struct *vma, *prev; struct mm_struct *mm = current->mm; unsigned long addr = addr0; int do_color_align, last_mmap; @@ -177,9 +178,11 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, addr = COLOR_ALIGN(addr, last_mmap, pgoff); else addr = PAGE_ALIGN(addr); - vma = find_vma(mm, addr); + + vma = find_vma_prev(mm, addr, &prev); if (TASK_SIZE - len >= addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma)) && + (!prev || addr >= vm_end_gap(prev))) goto found_addr; } diff --git a/arch/powerpc/include/asm/bug.h b/arch/powerpc/include/asm/bug.h index f2c562a0a427..0151af6c2a50 100644 --- a/arch/powerpc/include/asm/bug.h +++ b/arch/powerpc/include/asm/bug.h @@ -104,7 +104,7 @@ "1: "PPC_TLNEI" %4,0\n" \ _EMIT_BUG_ENTRY \ : : "i" (__FILE__), "i" (__LINE__), \ - "i" (BUGFLAG_TAINT(TAINT_WARN)), \ + "i" (BUGFLAG_WARNING|BUGFLAG_TAINT(TAINT_WARN)),\ "i" (sizeof(struct bug_entry)), \ "r" (__ret_warn_on)); \ } \ diff --git a/arch/powerpc/include/asm/kprobes.h b/arch/powerpc/include/asm/kprobes.h index a83821f33ea3..8814a7249ceb 100644 --- a/arch/powerpc/include/asm/kprobes.h +++ b/arch/powerpc/include/asm/kprobes.h @@ -103,6 +103,7 @@ extern int kprobe_exceptions_notify(struct notifier_block *self, extern int kprobe_fault_handler(struct pt_regs *regs, int trapnr); extern int kprobe_handler(struct pt_regs *regs); extern int kprobe_post_handler(struct pt_regs *regs); +extern int is_current_kprobe_addr(unsigned long addr); #ifdef CONFIG_KPROBES_ON_FTRACE extern int skip_singlestep(struct kprobe *p, struct pt_regs *regs, struct kprobe_ctlblk *kcb); diff --git a/arch/powerpc/include/asm/xive.h b/arch/powerpc/include/asm/xive.h index c8a822acf962..c23ff4389ca2 100644 --- a/arch/powerpc/include/asm/xive.h +++ b/arch/powerpc/include/asm/xive.h @@ -94,11 +94,13 @@ struct xive_q { * store at 0 and some ESBs support doing a trigger via a * separate trigger page. */ -#define XIVE_ESB_GET 0x800 -#define XIVE_ESB_SET_PQ_00 0xc00 -#define XIVE_ESB_SET_PQ_01 0xd00 -#define XIVE_ESB_SET_PQ_10 0xe00 -#define XIVE_ESB_SET_PQ_11 0xf00 +#define XIVE_ESB_STORE_EOI 0x400 /* Store */ +#define XIVE_ESB_LOAD_EOI 0x000 /* Load */ +#define XIVE_ESB_GET 0x800 /* Load */ +#define XIVE_ESB_SET_PQ_00 0xc00 /* Load */ +#define XIVE_ESB_SET_PQ_01 0xd00 /* Load */ +#define XIVE_ESB_SET_PQ_10 0xe00 /* Load */ +#define XIVE_ESB_SET_PQ_11 0xf00 /* Load */ #define XIVE_ESB_VAL_P 0x2 #define XIVE_ESB_VAL_Q 0x1 diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S index ae418b85c17c..b886795060fd 100644 --- a/arch/powerpc/kernel/exceptions-64s.S +++ b/arch/powerpc/kernel/exceptions-64s.S @@ -1411,10 +1411,8 @@ USE_TEXT_SECTION() .balign IFETCH_ALIGN_BYTES do_hash_page: #ifdef CONFIG_PPC_STD_MMU_64 - andis. r0,r4,0xa410 /* weird error? */ + andis. r0,r4,0xa450 /* weird error? */ bne- handle_page_fault /* if not, try to insert a HPTE */ - andis. r0,r4,DSISR_DABRMATCH@h - bne- handle_dabr_fault CURRENT_THREAD_INFO(r11, r1) lwz r0,TI_PREEMPT(r11) /* If we're in an "NMI" */ andis. r0,r0,NMI_MASK@h /* (i.e. an irq when soft-disabled) */ @@ -1438,11 +1436,16 @@ do_hash_page: /* Error */ blt- 13f + + /* Reload DSISR into r4 for the DABR check below */ + ld r4,_DSISR(r1) #endif /* CONFIG_PPC_STD_MMU_64 */ /* Here we have a page fault that hash_page can't handle. */ handle_page_fault: -11: ld r4,_DAR(r1) +11: andis. r0,r4,DSISR_DABRMATCH@h + bne- handle_dabr_fault + ld r4,_DAR(r1) ld r5,_DSISR(r1) addi r3,r1,STACK_FRAME_OVERHEAD bl do_page_fault diff --git a/arch/powerpc/kernel/kprobes.c b/arch/powerpc/kernel/kprobes.c index fc4343514bed..01addfb0ed0a 100644 --- a/arch/powerpc/kernel/kprobes.c +++ b/arch/powerpc/kernel/kprobes.c @@ -43,6 +43,12 @@ DEFINE_PER_CPU(struct kprobe_ctlblk, kprobe_ctlblk); struct kretprobe_blackpoint kretprobe_blacklist[] = {{NULL, NULL}}; +int is_current_kprobe_addr(unsigned long addr) +{ + struct kprobe *p = kprobe_running(); + return (p && (unsigned long)p->addr == addr) ? 1 : 0; +} + bool arch_within_kprobe_blacklist(unsigned long addr) { return (addr >= (unsigned long)__kprobes_text_start && @@ -617,6 +623,15 @@ int setjmp_pre_handler(struct kprobe *p, struct pt_regs *regs) regs->gpr[2] = (unsigned long)(((func_descr_t *)jp->entry)->toc); #endif + /* + * jprobes use jprobe_return() which skips the normal return + * path of the function, and this messes up the accounting of the + * function graph tracer. + * + * Pause function graph tracing while performing the jprobe function. + */ + pause_graph_tracing(); + return 1; } NOKPROBE_SYMBOL(setjmp_pre_handler); @@ -642,6 +657,8 @@ int longjmp_break_handler(struct kprobe *p, struct pt_regs *regs) * saved regs... */ memcpy(regs, &kcb->jprobe_saved_regs, sizeof(struct pt_regs)); + /* It's OK to start function graph tracing again */ + unpause_graph_tracing(); preempt_enable_no_resched(); return 1; } diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c index a8c1f99e9607..4640f6d64f8b 100644 --- a/arch/powerpc/kernel/setup_64.c +++ b/arch/powerpc/kernel/setup_64.c @@ -616,6 +616,24 @@ void __init exc_lvl_early_init(void) #endif /* + * Emergency stacks are used for a range of things, from asynchronous + * NMIs (system reset, machine check) to synchronous, process context. + * We set preempt_count to zero, even though that isn't necessarily correct. To + * get the right value we'd need to copy it from the previous thread_info, but + * doing that might fault causing more problems. + * TODO: what to do with accounting? + */ +static void emerg_stack_init_thread_info(struct thread_info *ti, int cpu) +{ + ti->task = NULL; + ti->cpu = cpu; + ti->preempt_count = 0; + ti->local_flags = 0; + ti->flags = 0; + klp_init_thread_info(ti); +} + +/* * Stack space used when we detect a bad kernel stack pointer, and * early in SMP boots before relocation is enabled. Exclusive emergency * stack for machine checks. @@ -633,24 +651,31 @@ void __init emergency_stack_init(void) * Since we use these as temporary stacks during secondary CPU * bringup, we need to get at them in real mode. This means they * must also be within the RMO region. + * + * The IRQ stacks allocated elsewhere in this file are zeroed and + * initialized in kernel/irq.c. These are initialized here in order + * to have emergency stacks available as early as possible. */ limit = min(safe_stack_limit(), ppc64_rma_size); for_each_possible_cpu(i) { struct thread_info *ti; ti = __va(memblock_alloc_base(THREAD_SIZE, THREAD_SIZE, limit)); - klp_init_thread_info(ti); + memset(ti, 0, THREAD_SIZE); + emerg_stack_init_thread_info(ti, i); paca[i].emergency_sp = (void *)ti + THREAD_SIZE; #ifdef CONFIG_PPC_BOOK3S_64 /* emergency stack for NMI exception handling. */ ti = __va(memblock_alloc_base(THREAD_SIZE, THREAD_SIZE, limit)); - klp_init_thread_info(ti); + memset(ti, 0, THREAD_SIZE); + emerg_stack_init_thread_info(ti, i); paca[i].nmi_emergency_sp = (void *)ti + THREAD_SIZE; /* emergency stack for machine check exception handling. */ ti = __va(memblock_alloc_base(THREAD_SIZE, THREAD_SIZE, limit)); - klp_init_thread_info(ti); + memset(ti, 0, THREAD_SIZE); + emerg_stack_init_thread_info(ti, i); paca[i].mc_emergency_sp = (void *)ti + THREAD_SIZE; #endif } diff --git a/arch/powerpc/kernel/trace/ftrace_64_mprofile.S b/arch/powerpc/kernel/trace/ftrace_64_mprofile.S index 7c933a99f5d5..c98e90b4ea7b 100644 --- a/arch/powerpc/kernel/trace/ftrace_64_mprofile.S +++ b/arch/powerpc/kernel/trace/ftrace_64_mprofile.S @@ -45,10 +45,14 @@ _GLOBAL(ftrace_caller) stdu r1,-SWITCH_FRAME_SIZE(r1) /* Save all gprs to pt_regs */ - SAVE_8GPRS(0,r1) - SAVE_8GPRS(8,r1) - SAVE_8GPRS(16,r1) - SAVE_8GPRS(24,r1) + SAVE_GPR(0, r1) + SAVE_10GPRS(2, r1) + SAVE_10GPRS(12, r1) + SAVE_10GPRS(22, r1) + + /* Save previous stack pointer (r1) */ + addi r8, r1, SWITCH_FRAME_SIZE + std r8, GPR1(r1) /* Load special regs for save below */ mfmsr r8 @@ -95,18 +99,44 @@ ftrace_call: bl ftrace_stub nop - /* Load ctr with the possibly modified NIP */ - ld r3, _NIP(r1) - mtctr r3 + /* Load the possibly modified NIP */ + ld r15, _NIP(r1) + #ifdef CONFIG_LIVEPATCH - cmpd r14,r3 /* has NIP been altered? */ + cmpd r14, r15 /* has NIP been altered? */ +#endif + +#if defined(CONFIG_LIVEPATCH) && defined(CONFIG_KPROBES_ON_FTRACE) + /* NIP has not been altered, skip over further checks */ + beq 1f + + /* Check if there is an active kprobe on us */ + subi r3, r14, 4 + bl is_current_kprobe_addr + nop + + /* + * If r3 == 1, then this is a kprobe/jprobe. + * else, this is livepatched function. + * + * The conditional branch for livepatch_handler below will use the + * result of this comparison. For kprobe/jprobe, we just need to branch to + * the new NIP, not call livepatch_handler. The branch below is bne, so we + * want CR0[EQ] to be true if this is a kprobe/jprobe. Which means we want + * CR0[EQ] = (r3 == 1). + */ + cmpdi r3, 1 +1: #endif + /* Load CTR with the possibly modified NIP */ + mtctr r15 + /* Restore gprs */ - REST_8GPRS(0,r1) - REST_8GPRS(8,r1) - REST_8GPRS(16,r1) - REST_8GPRS(24,r1) + REST_GPR(0,r1) + REST_10GPRS(2,r1) + REST_10GPRS(12,r1) + REST_10GPRS(22,r1) /* Restore possibly modified LR */ ld r0, _LINK(r1) @@ -119,7 +149,10 @@ ftrace_call: addi r1, r1, SWITCH_FRAME_SIZE #ifdef CONFIG_LIVEPATCH - /* Based on the cmpd above, if the NIP was altered handle livepatch */ + /* + * Based on the cmpd or cmpdi above, if the NIP was altered and we're + * not on a kprobe/jprobe, then handle livepatch. + */ bne- livepatch_handler #endif diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c index 42b7a4fd57d9..8d1a365b8edc 100644 --- a/arch/powerpc/kvm/book3s_hv.c +++ b/arch/powerpc/kvm/book3s_hv.c @@ -1486,6 +1486,14 @@ static int kvmppc_set_one_reg_hv(struct kvm_vcpu *vcpu, u64 id, r = set_vpa(vcpu, &vcpu->arch.dtl, addr, len); break; case KVM_REG_PPC_TB_OFFSET: + /* + * POWER9 DD1 has an erratum where writing TBU40 causes + * the timebase to lose ticks. So we don't let the + * timebase offset be changed on P9 DD1. (It is + * initialized to zero.) + */ + if (cpu_has_feature(CPU_FTR_POWER9_DD1)) + break; /* round up to multiple of 2^24 */ vcpu->arch.vcore->tb_offset = ALIGN(set_reg_val(id, *val), 1UL << 24); @@ -2907,12 +2915,36 @@ static int kvmppc_vcpu_run_hv(struct kvm_run *run, struct kvm_vcpu *vcpu) { int r; int srcu_idx; + unsigned long ebb_regs[3] = {}; /* shut up GCC */ + unsigned long user_tar = 0; + unsigned int user_vrsave; if (!vcpu->arch.sane) { run->exit_reason = KVM_EXIT_INTERNAL_ERROR; return -EINVAL; } + /* + * Don't allow entry with a suspended transaction, because + * the guest entry/exit code will lose it. + * If the guest has TM enabled, save away their TM-related SPRs + * (they will get restored by the TM unavailable interrupt). + */ +#ifdef CONFIG_PPC_TRANSACTIONAL_MEM + if (cpu_has_feature(CPU_FTR_TM) && current->thread.regs && + (current->thread.regs->msr & MSR_TM)) { + if (MSR_TM_ACTIVE(current->thread.regs->msr)) { + run->exit_reason = KVM_EXIT_FAIL_ENTRY; + run->fail_entry.hardware_entry_failure_reason = 0; + return -EINVAL; + } + current->thread.tm_tfhar = mfspr(SPRN_TFHAR); + current->thread.tm_tfiar = mfspr(SPRN_TFIAR); + current->thread.tm_texasr = mfspr(SPRN_TEXASR); + current->thread.regs->msr &= ~MSR_TM; + } +#endif + kvmppc_core_prepare_to_enter(vcpu); /* No need to go into the guest when all we'll do is come back out */ @@ -2934,6 +2966,15 @@ static int kvmppc_vcpu_run_hv(struct kvm_run *run, struct kvm_vcpu *vcpu) flush_all_to_thread(current); + /* Save userspace EBB and other register values */ + if (cpu_has_feature(CPU_FTR_ARCH_207S)) { + ebb_regs[0] = mfspr(SPRN_EBBHR); + ebb_regs[1] = mfspr(SPRN_EBBRR); + ebb_regs[2] = mfspr(SPRN_BESCR); + user_tar = mfspr(SPRN_TAR); + } + user_vrsave = mfspr(SPRN_VRSAVE); + vcpu->arch.wqp = &vcpu->arch.vcore->wq; vcpu->arch.pgdir = current->mm->pgd; vcpu->arch.state = KVMPPC_VCPU_BUSY_IN_HOST; @@ -2960,6 +3001,16 @@ static int kvmppc_vcpu_run_hv(struct kvm_run *run, struct kvm_vcpu *vcpu) } } while (is_kvmppc_resume_guest(r)); + /* Restore userspace EBB and other register values */ + if (cpu_has_feature(CPU_FTR_ARCH_207S)) { + mtspr(SPRN_EBBHR, ebb_regs[0]); + mtspr(SPRN_EBBRR, ebb_regs[1]); + mtspr(SPRN_BESCR, ebb_regs[2]); + mtspr(SPRN_TAR, user_tar); + mtspr(SPRN_FSCR, current->thread.fscr); + } + mtspr(SPRN_VRSAVE, user_vrsave); + out: vcpu->arch.state = KVMPPC_VCPU_NOTREADY; atomic_dec(&vcpu->kvm->arch.vcpus_running); diff --git a/arch/powerpc/kvm/book3s_hv_interrupts.S b/arch/powerpc/kvm/book3s_hv_interrupts.S index 0fdc4a28970b..404deb512844 100644 --- a/arch/powerpc/kvm/book3s_hv_interrupts.S +++ b/arch/powerpc/kvm/book3s_hv_interrupts.S @@ -121,10 +121,20 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S) * Put whatever is in the decrementer into the * hypervisor decrementer. */ +BEGIN_FTR_SECTION + ld r5, HSTATE_KVM_VCORE(r13) + ld r6, VCORE_KVM(r5) + ld r9, KVM_HOST_LPCR(r6) + andis. r9, r9, LPCR_LD@h +END_FTR_SECTION_IFSET(CPU_FTR_ARCH_300) mfspr r8,SPRN_DEC mftb r7 - mtspr SPRN_HDEC,r8 +BEGIN_FTR_SECTION + /* On POWER9, don't sign-extend if host LPCR[LD] bit is set */ + bne 32f +END_FTR_SECTION_IFSET(CPU_FTR_ARCH_300) extsw r8,r8 +32: mtspr SPRN_HDEC,r8 add r8,r8,r7 std r8,HSTATE_DECEXP(r13) diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S index bdb3f76ceb6b..4888dd494604 100644 --- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S +++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S @@ -32,12 +32,29 @@ #include <asm/opal.h> #include <asm/xive-regs.h> +/* Sign-extend HDEC if not on POWER9 */ +#define EXTEND_HDEC(reg) \ +BEGIN_FTR_SECTION; \ + extsw reg, reg; \ +END_FTR_SECTION_IFCLR(CPU_FTR_ARCH_300) + #define VCPU_GPRS_TM(reg) (((reg) * ULONG_SIZE) + VCPU_GPR_TM) /* Values in HSTATE_NAPPING(r13) */ #define NAPPING_CEDE 1 #define NAPPING_NOVCPU 2 +/* Stack frame offsets for kvmppc_hv_entry */ +#define SFS 144 +#define STACK_SLOT_TRAP (SFS-4) +#define STACK_SLOT_TID (SFS-16) +#define STACK_SLOT_PSSCR (SFS-24) +#define STACK_SLOT_PID (SFS-32) +#define STACK_SLOT_IAMR (SFS-40) +#define STACK_SLOT_CIABR (SFS-48) +#define STACK_SLOT_DAWR (SFS-56) +#define STACK_SLOT_DAWRX (SFS-64) + /* * Call kvmppc_hv_entry in real mode. * Must be called with interrupts hard-disabled. @@ -214,6 +231,8 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S) kvmppc_primary_no_guest: /* We handle this much like a ceded vcpu */ /* put the HDEC into the DEC, since HDEC interrupts don't wake us */ + /* HDEC may be larger than DEC for arch >= v3.00, but since the */ + /* HDEC value came from DEC in the first place, it will fit */ mfspr r3, SPRN_HDEC mtspr SPRN_DEC, r3 /* @@ -295,8 +314,9 @@ kvm_novcpu_wakeup: /* See if our timeslice has expired (HDEC is negative) */ mfspr r0, SPRN_HDEC + EXTEND_HDEC(r0) li r12, BOOK3S_INTERRUPT_HV_DECREMENTER - cmpwi r0, 0 + cmpdi r0, 0 blt kvm_novcpu_exit /* Got an IPI but other vcpus aren't yet exiting, must be a latecomer */ @@ -319,10 +339,10 @@ kvm_novcpu_exit: bl kvmhv_accumulate_time #endif 13: mr r3, r12 - stw r12, 112-4(r1) + stw r12, STACK_SLOT_TRAP(r1) bl kvmhv_commence_exit nop - lwz r12, 112-4(r1) + lwz r12, STACK_SLOT_TRAP(r1) b kvmhv_switch_to_host /* @@ -390,8 +410,8 @@ kvm_secondary_got_guest: lbz r4, HSTATE_PTID(r13) cmpwi r4, 0 bne 63f - lis r6, 0x7fff - ori r6, r6, 0xffff + LOAD_REG_ADDR(r6, decrementer_max) + ld r6, 0(r6) mtspr SPRN_HDEC, r6 /* and set per-LPAR registers, if doing dynamic micro-threading */ ld r6, HSTATE_SPLIT_MODE(r13) @@ -545,11 +565,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S) * * *****************************************************************************/ -/* Stack frame offsets */ -#define STACK_SLOT_TID (112-16) -#define STACK_SLOT_PSSCR (112-24) -#define STACK_SLOT_PID (112-32) - .global kvmppc_hv_entry kvmppc_hv_entry: @@ -565,7 +580,7 @@ kvmppc_hv_entry: */ mflr r0 std r0, PPC_LR_STKOFF(r1) - stdu r1, -112(r1) + stdu r1, -SFS(r1) /* Save R1 in the PACA */ std r1, HSTATE_HOST_R1(r13) @@ -749,10 +764,20 @@ BEGIN_FTR_SECTION mfspr r5, SPRN_TIDR mfspr r6, SPRN_PSSCR mfspr r7, SPRN_PID + mfspr r8, SPRN_IAMR std r5, STACK_SLOT_TID(r1) std r6, STACK_SLOT_PSSCR(r1) std r7, STACK_SLOT_PID(r1) + std r8, STACK_SLOT_IAMR(r1) END_FTR_SECTION_IFSET(CPU_FTR_ARCH_300) +BEGIN_FTR_SECTION + mfspr r5, SPRN_CIABR + mfspr r6, SPRN_DAWR + mfspr r7, SPRN_DAWRX + std r5, STACK_SLOT_CIABR(r1) + std r6, STACK_SLOT_DAWR(r1) + std r7, STACK_SLOT_DAWRX(r1) +END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S) BEGIN_FTR_SECTION /* Set partition DABR */ @@ -968,7 +993,8 @@ ALT_FTR_SECTION_END_IFCLR(CPU_FTR_ARCH_300) /* Check if HDEC expires soon */ mfspr r3, SPRN_HDEC - cmpwi r3, 512 /* 1 microsecond */ + EXTEND_HDEC(r3) + cmpdi r3, 512 /* 1 microsecond */ blt hdec_soon #ifdef CONFIG_KVM_XICS @@ -1505,11 +1531,10 @@ ALT_FTR_SECTION_END_IFCLR(CPU_FTR_ARCH_300) * set by the guest could disrupt the host. */ li r0, 0 - mtspr SPRN_IAMR, r0 - mtspr SPRN_CIABR, r0 - mtspr SPRN_DAWRX, r0 + mtspr SPRN_PSPB, r0 mtspr SPRN_WORT, r0 BEGIN_FTR_SECTION + mtspr SPRN_IAMR, r0 mtspr SPRN_TCSCR, r0 /* Set MMCRS to 1<<31 to freeze and disable the SPMC counters */ li r0, 1 @@ -1525,6 +1550,7 @@ END_FTR_SECTION_IFCLR(CPU_FTR_ARCH_300) std r6,VCPU_UAMOR(r9) li r6,0 mtspr SPRN_AMR,r6 + mtspr SPRN_UAMOR, r6 /* Switch DSCR back to host value */ mfspr r8, SPRN_DSCR @@ -1670,12 +1696,22 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S) /* Restore host values of some registers */ BEGIN_FTR_SECTION + ld r5, STACK_SLOT_CIABR(r1) + ld r6, STACK_SLOT_DAWR(r1) + ld r7, STACK_SLOT_DAWRX(r1) + mtspr SPRN_CIABR, r5 + mtspr SPRN_DAWR, r6 + mtspr SPRN_DAWRX, r7 +END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S) +BEGIN_FTR_SECTION ld r5, STACK_SLOT_TID(r1) ld r6, STACK_SLOT_PSSCR(r1) ld r7, STACK_SLOT_PID(r1) + ld r8, STACK_SLOT_IAMR(r1) mtspr SPRN_TIDR, r5 mtspr SPRN_PSSCR, r6 mtspr SPRN_PID, r7 + mtspr SPRN_IAMR, r8 END_FTR_SECTION_IFSET(CPU_FTR_ARCH_300) BEGIN_FTR_SECTION PPC_INVALIDATE_ERAT @@ -1819,8 +1855,8 @@ END_MMU_FTR_SECTION_IFSET(MMU_FTR_TYPE_RADIX) li r0, KVM_GUEST_MODE_NONE stb r0, HSTATE_IN_GUEST(r13) - ld r0, 112+PPC_LR_STKOFF(r1) - addi r1, r1, 112 + ld r0, SFS+PPC_LR_STKOFF(r1) + addi r1, r1, SFS mtlr r0 blr @@ -2366,12 +2402,13 @@ END_FTR_SECTION_IFSET(CPU_FTR_TM) mfspr r3, SPRN_DEC mfspr r4, SPRN_HDEC mftb r5 - cmpw r3, r4 + extsw r3, r3 + EXTEND_HDEC(r4) + cmpd r3, r4 ble 67f mtspr SPRN_DEC, r4 67: /* save expiry time of guest decrementer */ - extsw r3, r3 add r3, r3, r5 ld r4, HSTATE_KVM_VCPU(r13) ld r5, HSTATE_KVM_VCORE(r13) diff --git a/arch/powerpc/kvm/book3s_xive_template.c b/arch/powerpc/kvm/book3s_xive_template.c index 023a31133c37..4636ca6e7d38 100644 --- a/arch/powerpc/kvm/book3s_xive_template.c +++ b/arch/powerpc/kvm/book3s_xive_template.c @@ -69,7 +69,7 @@ static void GLUE(X_PFX,source_eoi)(u32 hw_irq, struct xive_irq_data *xd) { /* If the XIVE supports the new "store EOI facility, use it */ if (xd->flags & XIVE_IRQ_FLAG_STORE_EOI) - __x_writeq(0, __x_eoi_page(xd)); + __x_writeq(0, __x_eoi_page(xd) + XIVE_ESB_STORE_EOI); else if (hw_irq && xd->flags & XIVE_IRQ_FLAG_EOI_FW) { opal_int_eoi(hw_irq); } else { @@ -89,7 +89,7 @@ static void GLUE(X_PFX,source_eoi)(u32 hw_irq, struct xive_irq_data *xd) * properly. */ if (xd->flags & XIVE_IRQ_FLAG_LSI) - __x_readq(__x_eoi_page(xd)); + __x_readq(__x_eoi_page(xd) + XIVE_ESB_LOAD_EOI); else { eoi_val = GLUE(X_PFX,esb_load)(xd, XIVE_ESB_SET_PQ_00); diff --git a/arch/powerpc/mm/hugetlbpage-radix.c b/arch/powerpc/mm/hugetlbpage-radix.c index 6575b9aabef4..a12e86395025 100644 --- a/arch/powerpc/mm/hugetlbpage-radix.c +++ b/arch/powerpc/mm/hugetlbpage-radix.c @@ -68,7 +68,7 @@ radix__hugetlb_get_unmapped_area(struct file *file, unsigned long addr, addr = ALIGN(addr, huge_page_size(h)); vma = find_vma(mm, addr); if (mm->task_size - len >= addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma))) return addr; } /* diff --git a/arch/powerpc/mm/mmap.c b/arch/powerpc/mm/mmap.c index 9dbd2a733d6b..0ee6be4f1ba4 100644 --- a/arch/powerpc/mm/mmap.c +++ b/arch/powerpc/mm/mmap.c @@ -112,7 +112,7 @@ radix__arch_get_unmapped_area(struct file *filp, unsigned long addr, addr = PAGE_ALIGN(addr); vma = find_vma(mm, addr); if (mm->task_size - len >= addr && addr >= mmap_min_addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma))) return addr; } @@ -157,7 +157,7 @@ radix__arch_get_unmapped_area_topdown(struct file *filp, addr = PAGE_ALIGN(addr); vma = find_vma(mm, addr); if (mm->task_size - len >= addr && addr >= mmap_min_addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma))) return addr; } diff --git a/arch/powerpc/mm/slice.c b/arch/powerpc/mm/slice.c index 966b9fccfa66..45f6740dd407 100644 --- a/arch/powerpc/mm/slice.c +++ b/arch/powerpc/mm/slice.c @@ -99,7 +99,7 @@ static int slice_area_is_free(struct mm_struct *mm, unsigned long addr, if ((mm->task_size - len) < addr) return 0; vma = find_vma(mm, addr); - return (!vma || (addr + len) <= vma->vm_start); + return (!vma || (addr + len) <= vm_start_gap(vma)); } static int slice_low_has_vma(struct mm_struct *mm, unsigned long slice) diff --git a/arch/powerpc/perf/perf_regs.c b/arch/powerpc/perf/perf_regs.c index cbd82fde5770..09ceea6175ba 100644 --- a/arch/powerpc/perf/perf_regs.c +++ b/arch/powerpc/perf/perf_regs.c @@ -101,5 +101,6 @@ void perf_get_regs_user(struct perf_regs *regs_user, struct pt_regs *regs_user_copy) { regs_user->regs = task_pt_regs(current); - regs_user->abi = perf_reg_abi(current); + regs_user->abi = (regs_user->regs) ? perf_reg_abi(current) : + PERF_SAMPLE_REGS_ABI_NONE; } diff --git a/arch/powerpc/platforms/powernv/npu-dma.c b/arch/powerpc/platforms/powernv/npu-dma.c index 78fa9395b8c5..b5d960d6db3d 100644 --- a/arch/powerpc/platforms/powernv/npu-dma.c +++ b/arch/powerpc/platforms/powernv/npu-dma.c @@ -75,7 +75,8 @@ struct pci_dev *pnv_pci_get_npu_dev(struct pci_dev *gpdev, int index) if (WARN_ON(!gpdev)) return NULL; - if (WARN_ON(!gpdev->dev.of_node)) + /* Not all PCI devices have device-tree nodes */ + if (!gpdev->dev.of_node) return NULL; /* Get assoicated PCI device */ @@ -448,7 +449,7 @@ static int mmio_launch_invalidate(struct npu *npu, unsigned long launch, return mmio_atsd_reg; } -static int mmio_invalidate_pid(struct npu *npu, unsigned long pid) +static int mmio_invalidate_pid(struct npu *npu, unsigned long pid, bool flush) { unsigned long launch; @@ -464,12 +465,15 @@ static int mmio_invalidate_pid(struct npu *npu, unsigned long pid) /* PID */ launch |= pid << PPC_BITLSHIFT(38); + /* No flush */ + launch |= !flush << PPC_BITLSHIFT(39); + /* Invalidating the entire process doesn't use a va */ return mmio_launch_invalidate(npu, launch, 0); } static int mmio_invalidate_va(struct npu *npu, unsigned long va, - unsigned long pid) + unsigned long pid, bool flush) { unsigned long launch; @@ -485,26 +489,60 @@ static int mmio_invalidate_va(struct npu *npu, unsigned long va, /* PID */ launch |= pid << PPC_BITLSHIFT(38); + /* No flush */ + launch |= !flush << PPC_BITLSHIFT(39); + return mmio_launch_invalidate(npu, launch, va); } #define mn_to_npu_context(x) container_of(x, struct npu_context, mn) +struct mmio_atsd_reg { + struct npu *npu; + int reg; +}; + +static void mmio_invalidate_wait( + struct mmio_atsd_reg mmio_atsd_reg[NV_MAX_NPUS], bool flush) +{ + struct npu *npu; + int i, reg; + + /* Wait for all invalidations to complete */ + for (i = 0; i <= max_npu2_index; i++) { + if (mmio_atsd_reg[i].reg < 0) + continue; + + /* Wait for completion */ + npu = mmio_atsd_reg[i].npu; + reg = mmio_atsd_reg[i].reg; + while (__raw_readq(npu->mmio_atsd_regs[reg] + XTS_ATSD_STAT)) + cpu_relax(); + + put_mmio_atsd_reg(npu, reg); + + /* + * The GPU requires two flush ATSDs to ensure all entries have + * been flushed. We use PID 0 as it will never be used for a + * process on the GPU. + */ + if (flush) + mmio_invalidate_pid(npu, 0, true); + } +} + /* * Invalidate either a single address or an entire PID depending on * the value of va. */ static void mmio_invalidate(struct npu_context *npu_context, int va, - unsigned long address) + unsigned long address, bool flush) { - int i, j, reg; + int i, j; struct npu *npu; struct pnv_phb *nphb; struct pci_dev *npdev; - struct { - struct npu *npu; - int reg; - } mmio_atsd_reg[NV_MAX_NPUS]; + struct mmio_atsd_reg mmio_atsd_reg[NV_MAX_NPUS]; unsigned long pid = npu_context->mm->context.id; /* @@ -524,10 +562,11 @@ static void mmio_invalidate(struct npu_context *npu_context, int va, if (va) mmio_atsd_reg[i].reg = - mmio_invalidate_va(npu, address, pid); + mmio_invalidate_va(npu, address, pid, + flush); else mmio_atsd_reg[i].reg = - mmio_invalidate_pid(npu, pid); + mmio_invalidate_pid(npu, pid, flush); /* * The NPU hardware forwards the shootdown to all GPUs @@ -543,18 +582,10 @@ static void mmio_invalidate(struct npu_context *npu_context, int va, */ flush_tlb_mm(npu_context->mm); - /* Wait for all invalidations to complete */ - for (i = 0; i <= max_npu2_index; i++) { - if (mmio_atsd_reg[i].reg < 0) - continue; - - /* Wait for completion */ - npu = mmio_atsd_reg[i].npu; - reg = mmio_atsd_reg[i].reg; - while (__raw_readq(npu->mmio_atsd_regs[reg] + XTS_ATSD_STAT)) - cpu_relax(); - put_mmio_atsd_reg(npu, reg); - } + mmio_invalidate_wait(mmio_atsd_reg, flush); + if (flush) + /* Wait for the flush to complete */ + mmio_invalidate_wait(mmio_atsd_reg, false); } static void pnv_npu2_mn_release(struct mmu_notifier *mn, @@ -570,7 +601,7 @@ static void pnv_npu2_mn_release(struct mmu_notifier *mn, * There should be no more translation requests for this PID, but we * need to ensure any entries for it are removed from the TLB. */ - mmio_invalidate(npu_context, 0, 0); + mmio_invalidate(npu_context, 0, 0, true); } static void pnv_npu2_mn_change_pte(struct mmu_notifier *mn, @@ -580,7 +611,7 @@ static void pnv_npu2_mn_change_pte(struct mmu_notifier *mn, { struct npu_context *npu_context = mn_to_npu_context(mn); - mmio_invalidate(npu_context, 1, address); + mmio_invalidate(npu_context, 1, address, true); } static void pnv_npu2_mn_invalidate_page(struct mmu_notifier *mn, @@ -589,7 +620,7 @@ static void pnv_npu2_mn_invalidate_page(struct mmu_notifier *mn, { struct npu_context *npu_context = mn_to_npu_context(mn); - mmio_invalidate(npu_context, 1, address); + mmio_invalidate(npu_context, 1, address, true); } static void pnv_npu2_mn_invalidate_range(struct mmu_notifier *mn, @@ -599,8 +630,11 @@ static void pnv_npu2_mn_invalidate_range(struct mmu_notifier *mn, struct npu_context *npu_context = mn_to_npu_context(mn); unsigned long address; - for (address = start; address <= end; address += PAGE_SIZE) - mmio_invalidate(npu_context, 1, address); + for (address = start; address < end; address += PAGE_SIZE) + mmio_invalidate(npu_context, 1, address, false); + + /* Do the flush only on the final addess == end */ + mmio_invalidate(npu_context, 1, address, true); } static const struct mmu_notifier_ops nv_nmmu_notifier_ops = { @@ -650,8 +684,11 @@ struct npu_context *pnv_npu2_init_context(struct pci_dev *gpdev, /* No nvlink associated with this GPU device */ return ERR_PTR(-ENODEV); - if (!mm) { - /* kernel thread contexts are not supported */ + if (!mm || mm->context.id == 0) { + /* + * Kernel thread contexts are not supported and context id 0 is + * reserved on the GPU. + */ return ERR_PTR(-EINVAL); } diff --git a/arch/powerpc/sysdev/xive/common.c b/arch/powerpc/sysdev/xive/common.c index 913825086b8d..8f5e3035483b 100644 --- a/arch/powerpc/sysdev/xive/common.c +++ b/arch/powerpc/sysdev/xive/common.c @@ -297,7 +297,7 @@ void xive_do_source_eoi(u32 hw_irq, struct xive_irq_data *xd) { /* If the XIVE supports the new "store EOI facility, use it */ if (xd->flags & XIVE_IRQ_FLAG_STORE_EOI) - out_be64(xd->eoi_mmio, 0); + out_be64(xd->eoi_mmio + XIVE_ESB_STORE_EOI, 0); else if (hw_irq && xd->flags & XIVE_IRQ_FLAG_EOI_FW) { /* * The FW told us to call it. This happens for some diff --git a/arch/s390/configs/default_defconfig b/arch/s390/configs/default_defconfig index a5039fa89314..282072206df7 100644 --- a/arch/s390/configs/default_defconfig +++ b/arch/s390/configs/default_defconfig @@ -30,6 +30,7 @@ CONFIG_USER_NS=y CONFIG_SCHED_AUTOGROUP=y CONFIG_BLK_DEV_INITRD=y CONFIG_EXPERT=y +# CONFIG_SYSFS_SYSCALL is not set CONFIG_BPF_SYSCALL=y CONFIG_USERFAULTFD=y # CONFIG_COMPAT_BRK is not set @@ -44,7 +45,10 @@ CONFIG_MODULE_UNLOAD=y CONFIG_MODULE_FORCE_UNLOAD=y CONFIG_MODVERSIONS=y CONFIG_MODULE_SRCVERSION_ALL=y +CONFIG_BLK_DEV_INTEGRITY=y CONFIG_BLK_DEV_THROTTLING=y +CONFIG_BLK_WBT=y +CONFIG_BLK_WBT_SQ=y CONFIG_PARTITION_ADVANCED=y CONFIG_IBM_PARTITION=y CONFIG_BSD_DISKLABEL=y @@ -90,6 +94,8 @@ CONFIG_UNIX=y CONFIG_UNIX_DIAG=m CONFIG_XFRM_USER=m CONFIG_NET_KEY=m +CONFIG_SMC=m +CONFIG_SMC_DIAG=m CONFIG_INET=y CONFIG_IP_MULTICAST=y CONFIG_IP_ADVANCED_ROUTER=y @@ -359,6 +365,7 @@ CONFIG_NET_ACT_SIMP=m CONFIG_NET_ACT_SKBEDIT=m CONFIG_NET_ACT_CSUM=m CONFIG_DNS_RESOLVER=y +CONFIG_NETLINK_DIAG=m CONFIG_CGROUP_NET_PRIO=y CONFIG_BPF_JIT=y CONFIG_NET_PKTGEN=m @@ -367,16 +374,19 @@ CONFIG_DEVTMPFS=y CONFIG_DMA_CMA=y CONFIG_CMA_SIZE_MBYTES=0 CONFIG_CONNECTOR=y +CONFIG_ZRAM=m CONFIG_BLK_DEV_LOOP=m CONFIG_BLK_DEV_CRYPTOLOOP=m +CONFIG_BLK_DEV_DRBD=m CONFIG_BLK_DEV_NBD=m CONFIG_BLK_DEV_OSD=m CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_SIZE=32768 -CONFIG_CDROM_PKTCDVD=m -CONFIG_ATA_OVER_ETH=m +CONFIG_BLK_DEV_RAM_DAX=y CONFIG_VIRTIO_BLK=y +CONFIG_BLK_DEV_RBD=m CONFIG_ENCLOSURE_SERVICES=m +CONFIG_GENWQE=m CONFIG_RAID_ATTRS=m CONFIG_SCSI=y CONFIG_BLK_DEV_SD=y @@ -442,6 +452,8 @@ CONFIG_NLMON=m # CONFIG_NET_VENDOR_INTEL is not set # CONFIG_NET_VENDOR_MARVELL is not set CONFIG_MLX4_EN=m +CONFIG_MLX5_CORE=m +CONFIG_MLX5_CORE_EN=y # CONFIG_NET_VENDOR_NATSEMI is not set CONFIG_PPP=m CONFIG_PPP_BSDCOMP=m @@ -452,7 +464,6 @@ CONFIG_PPTP=m CONFIG_PPPOL2TP=m CONFIG_PPP_ASYNC=m CONFIG_PPP_SYNC_TTY=m -# CONFIG_INPUT_MOUSEDEV_PSAUX is not set # CONFIG_INPUT_KEYBOARD is not set # CONFIG_INPUT_MOUSE is not set # CONFIG_SERIO is not set @@ -471,6 +482,7 @@ CONFIG_DIAG288_WATCHDOG=m CONFIG_INFINIBAND=m CONFIG_INFINIBAND_USER_ACCESS=m CONFIG_MLX4_INFINIBAND=m +CONFIG_MLX5_INFINIBAND=m CONFIG_VIRTIO_BALLOON=m CONFIG_EXT4_FS=y CONFIG_EXT4_FS_POSIX_ACL=y @@ -487,12 +499,18 @@ CONFIG_XFS_POSIX_ACL=y CONFIG_XFS_RT=y CONFIG_XFS_DEBUG=y CONFIG_GFS2_FS=m +CONFIG_GFS2_FS_LOCKING_DLM=y CONFIG_OCFS2_FS=m CONFIG_BTRFS_FS=y CONFIG_BTRFS_FS_POSIX_ACL=y +CONFIG_BTRFS_DEBUG=y CONFIG_NILFS2_FS=m +CONFIG_FS_DAX=y +CONFIG_EXPORTFS_BLOCK_OPS=y CONFIG_FANOTIFY=y +CONFIG_FANOTIFY_ACCESS_PERMISSIONS=y CONFIG_QUOTA_NETLINK_INTERFACE=y +CONFIG_QUOTA_DEBUG=y CONFIG_QFMT_V1=m CONFIG_QFMT_V2=m CONFIG_AUTOFS4_FS=m @@ -558,6 +576,7 @@ CONFIG_HEADERS_CHECK=y CONFIG_DEBUG_SECTION_MISMATCH=y CONFIG_MAGIC_SYSRQ=y CONFIG_DEBUG_PAGEALLOC=y +CONFIG_DEBUG_RODATA_TEST=y CONFIG_DEBUG_OBJECTS=y CONFIG_DEBUG_OBJECTS_SELFTEST=y CONFIG_DEBUG_OBJECTS_FREE=y @@ -580,7 +599,6 @@ CONFIG_DETECT_HUNG_TASK=y CONFIG_WQ_WATCHDOG=y CONFIG_PANIC_ON_OOPS=y CONFIG_DEBUG_TIMEKEEPING=y -CONFIG_TIMER_STATS=y CONFIG_DEBUG_RT_MUTEXES=y CONFIG_DEBUG_WW_MUTEX_SLOWPATH=y CONFIG_PROVE_LOCKING=y @@ -595,6 +613,7 @@ CONFIG_RCU_TORTURE_TEST=m CONFIG_RCU_CPU_STALL_TIMEOUT=300 CONFIG_NOTIFIER_ERROR_INJECTION=m CONFIG_PM_NOTIFIER_ERROR_INJECT=m +CONFIG_NETDEV_NOTIFIER_ERROR_INJECT=m CONFIG_FAULT_INJECTION=y CONFIG_FAILSLAB=y CONFIG_FAIL_PAGE_ALLOC=y @@ -616,13 +635,12 @@ CONFIG_HIST_TRIGGERS=y CONFIG_TRACE_ENUM_MAP_FILE=y CONFIG_LKDTM=m CONFIG_TEST_LIST_SORT=y +CONFIG_TEST_SORT=y CONFIG_KPROBES_SANITY_TEST=y CONFIG_RBTREE_TEST=y CONFIG_INTERVAL_TREE_TEST=m CONFIG_PERCPU_TEST=m CONFIG_ATOMIC64_SELFTEST=y -CONFIG_TEST_STRING_HELPERS=y -CONFIG_TEST_KSTRTOX=y CONFIG_DMA_API_DEBUG=y CONFIG_TEST_BPF=m CONFIG_BUG_ON_DATA_CORRUPTION=y @@ -630,6 +648,7 @@ CONFIG_S390_PTDUMP=y CONFIG_ENCRYPTED_KEYS=m CONFIG_SECURITY=y CONFIG_SECURITY_NETWORK=y +CONFIG_HARDENED_USERCOPY=y CONFIG_SECURITY_SELINUX=y CONFIG_SECURITY_SELINUX_BOOTPARAM=y CONFIG_SECURITY_SELINUX_BOOTPARAM_VALUE=0 @@ -640,7 +659,9 @@ CONFIG_CRYPTO_RSA=m CONFIG_CRYPTO_DH=m CONFIG_CRYPTO_ECDH=m CONFIG_CRYPTO_USER=m +CONFIG_CRYPTO_PCRYPT=m CONFIG_CRYPTO_CRYPTD=m +CONFIG_CRYPTO_MCRYPTD=m CONFIG_CRYPTO_TEST=m CONFIG_CRYPTO_CCM=m CONFIG_CRYPTO_GCM=m @@ -648,6 +669,7 @@ CONFIG_CRYPTO_CHACHA20POLY1305=m CONFIG_CRYPTO_LRW=m CONFIG_CRYPTO_PCBC=m CONFIG_CRYPTO_KEYWRAP=m +CONFIG_CRYPTO_CMAC=m CONFIG_CRYPTO_XCBC=m CONFIG_CRYPTO_VMAC=m CONFIG_CRYPTO_CRC32=m @@ -657,8 +679,10 @@ CONFIG_CRYPTO_RMD160=m CONFIG_CRYPTO_RMD256=m CONFIG_CRYPTO_RMD320=m CONFIG_CRYPTO_SHA512=m +CONFIG_CRYPTO_SHA3=m CONFIG_CRYPTO_TGR192=m CONFIG_CRYPTO_WP512=m +CONFIG_CRYPTO_AES_TI=m CONFIG_CRYPTO_ANUBIS=m CONFIG_CRYPTO_BLOWFISH=m CONFIG_CRYPTO_CAMELLIA=m @@ -674,6 +698,7 @@ CONFIG_CRYPTO_TWOFISH=m CONFIG_CRYPTO_842=m CONFIG_CRYPTO_LZ4=m CONFIG_CRYPTO_LZ4HC=m +CONFIG_CRYPTO_ANSI_CPRNG=m CONFIG_CRYPTO_USER_API_HASH=m CONFIG_CRYPTO_USER_API_SKCIPHER=m CONFIG_CRYPTO_USER_API_RNG=m @@ -685,6 +710,7 @@ CONFIG_CRYPTO_SHA256_S390=m CONFIG_CRYPTO_SHA512_S390=m CONFIG_CRYPTO_DES_S390=m CONFIG_CRYPTO_AES_S390=m +CONFIG_CRYPTO_PAES_S390=m CONFIG_CRYPTO_GHASH_S390=m CONFIG_CRYPTO_CRC32_S390=y CONFIG_ASYMMETRIC_KEY_TYPE=y @@ -692,6 +718,7 @@ CONFIG_ASYMMETRIC_PUBLIC_KEY_SUBTYPE=m CONFIG_X509_CERTIFICATE_PARSER=m CONFIG_CRC7=m CONFIG_CRC8=m +CONFIG_RANDOM32_SELFTEST=y CONFIG_CORDIC=m CONFIG_CMM=m CONFIG_APPLDATA_BASE=y diff --git a/arch/s390/configs/gcov_defconfig b/arch/s390/configs/gcov_defconfig index 83970b5afb2b..3c6b78189fbc 100644 --- a/arch/s390/configs/gcov_defconfig +++ b/arch/s390/configs/gcov_defconfig @@ -31,6 +31,7 @@ CONFIG_USER_NS=y CONFIG_SCHED_AUTOGROUP=y CONFIG_BLK_DEV_INITRD=y CONFIG_EXPERT=y +# CONFIG_SYSFS_SYSCALL is not set CONFIG_BPF_SYSCALL=y CONFIG_USERFAULTFD=y # CONFIG_COMPAT_BRK is not set @@ -46,7 +47,10 @@ CONFIG_MODULE_UNLOAD=y CONFIG_MODULE_FORCE_UNLOAD=y CONFIG_MODVERSIONS=y CONFIG_MODULE_SRCVERSION_ALL=y +CONFIG_BLK_DEV_INTEGRITY=y CONFIG_BLK_DEV_THROTTLING=y +CONFIG_BLK_WBT=y +CONFIG_BLK_WBT_SQ=y CONFIG_PARTITION_ADVANCED=y CONFIG_IBM_PARTITION=y CONFIG_BSD_DISKLABEL=y @@ -88,6 +92,8 @@ CONFIG_UNIX=y CONFIG_UNIX_DIAG=m CONFIG_XFRM_USER=m CONFIG_NET_KEY=m +CONFIG_SMC=m +CONFIG_SMC_DIAG=m CONFIG_INET=y CONFIG_IP_MULTICAST=y CONFIG_IP_ADVANCED_ROUTER=y @@ -356,6 +362,7 @@ CONFIG_NET_ACT_SIMP=m CONFIG_NET_ACT_SKBEDIT=m CONFIG_NET_ACT_CSUM=m CONFIG_DNS_RESOLVER=y +CONFIG_NETLINK_DIAG=m CONFIG_CGROUP_NET_PRIO=y CONFIG_BPF_JIT=y CONFIG_NET_PKTGEN=m @@ -364,16 +371,18 @@ CONFIG_DEVTMPFS=y CONFIG_DMA_CMA=y CONFIG_CMA_SIZE_MBYTES=0 CONFIG_CONNECTOR=y +CONFIG_ZRAM=m CONFIG_BLK_DEV_LOOP=m CONFIG_BLK_DEV_CRYPTOLOOP=m +CONFIG_BLK_DEV_DRBD=m CONFIG_BLK_DEV_NBD=m CONFIG_BLK_DEV_OSD=m CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_SIZE=32768 -CONFIG_CDROM_PKTCDVD=m -CONFIG_ATA_OVER_ETH=m +CONFIG_BLK_DEV_RAM_DAX=y CONFIG_VIRTIO_BLK=y CONFIG_ENCLOSURE_SERVICES=m +CONFIG_GENWQE=m CONFIG_RAID_ATTRS=m CONFIG_SCSI=y CONFIG_BLK_DEV_SD=y @@ -439,6 +448,8 @@ CONFIG_NLMON=m # CONFIG_NET_VENDOR_INTEL is not set # CONFIG_NET_VENDOR_MARVELL is not set CONFIG_MLX4_EN=m +CONFIG_MLX5_CORE=m +CONFIG_MLX5_CORE_EN=y # CONFIG_NET_VENDOR_NATSEMI is not set CONFIG_PPP=m CONFIG_PPP_BSDCOMP=m @@ -449,7 +460,6 @@ CONFIG_PPTP=m CONFIG_PPPOL2TP=m CONFIG_PPP_ASYNC=m CONFIG_PPP_SYNC_TTY=m -# CONFIG_INPUT_MOUSEDEV_PSAUX is not set # CONFIG_INPUT_KEYBOARD is not set # CONFIG_INPUT_MOUSE is not set # CONFIG_SERIO is not set @@ -468,6 +478,7 @@ CONFIG_DIAG288_WATCHDOG=m CONFIG_INFINIBAND=m CONFIG_INFINIBAND_USER_ACCESS=m CONFIG_MLX4_INFINIBAND=m +CONFIG_MLX5_INFINIBAND=m CONFIG_VIRTIO_BALLOON=m CONFIG_EXT4_FS=y CONFIG_EXT4_FS_POSIX_ACL=y @@ -483,11 +494,15 @@ CONFIG_XFS_QUOTA=y CONFIG_XFS_POSIX_ACL=y CONFIG_XFS_RT=y CONFIG_GFS2_FS=m +CONFIG_GFS2_FS_LOCKING_DLM=y CONFIG_OCFS2_FS=m CONFIG_BTRFS_FS=y CONFIG_BTRFS_FS_POSIX_ACL=y CONFIG_NILFS2_FS=m +CONFIG_FS_DAX=y +CONFIG_EXPORTFS_BLOCK_OPS=y CONFIG_FANOTIFY=y +CONFIG_FANOTIFY_ACCESS_PERMISSIONS=y CONFIG_QUOTA_NETLINK_INTERFACE=y CONFIG_QFMT_V1=m CONFIG_QFMT_V2=m @@ -553,7 +568,6 @@ CONFIG_UNUSED_SYMBOLS=y CONFIG_MAGIC_SYSRQ=y CONFIG_DEBUG_MEMORY_INIT=y CONFIG_PANIC_ON_OOPS=y -CONFIG_TIMER_STATS=y CONFIG_RCU_TORTURE_TEST=m CONFIG_RCU_CPU_STALL_TIMEOUT=60 CONFIG_LATENCYTOP=y @@ -576,6 +590,7 @@ CONFIG_BIG_KEYS=y CONFIG_ENCRYPTED_KEYS=m CONFIG_SECURITY=y CONFIG_SECURITY_NETWORK=y +CONFIG_HARDENED_USERCOPY=y CONFIG_SECURITY_SELINUX=y CONFIG_SECURITY_SELINUX_BOOTPARAM=y CONFIG_SECURITY_SELINUX_BOOTPARAM_VALUE=0 @@ -599,6 +614,7 @@ CONFIG_CRYPTO_CHACHA20POLY1305=m CONFIG_CRYPTO_LRW=m CONFIG_CRYPTO_PCBC=m CONFIG_CRYPTO_KEYWRAP=m +CONFIG_CRYPTO_CMAC=m CONFIG_CRYPTO_XCBC=m CONFIG_CRYPTO_VMAC=m CONFIG_CRYPTO_CRC32=m @@ -611,6 +627,7 @@ CONFIG_CRYPTO_SHA512=m CONFIG_CRYPTO_SHA3=m CONFIG_CRYPTO_TGR192=m CONFIG_CRYPTO_WP512=m +CONFIG_CRYPTO_AES_TI=m CONFIG_CRYPTO_ANUBIS=m CONFIG_CRYPTO_BLOWFISH=m CONFIG_CRYPTO_CAMELLIA=m @@ -626,16 +643,19 @@ CONFIG_CRYPTO_TWOFISH=m CONFIG_CRYPTO_842=m CONFIG_CRYPTO_LZ4=m CONFIG_CRYPTO_LZ4HC=m +CONFIG_CRYPTO_ANSI_CPRNG=m CONFIG_CRYPTO_USER_API_HASH=m CONFIG_CRYPTO_USER_API_SKCIPHER=m CONFIG_CRYPTO_USER_API_RNG=m CONFIG_CRYPTO_USER_API_AEAD=m CONFIG_ZCRYPT=m +CONFIG_PKEY=m CONFIG_CRYPTO_SHA1_S390=m CONFIG_CRYPTO_SHA256_S390=m CONFIG_CRYPTO_SHA512_S390=m CONFIG_CRYPTO_DES_S390=m CONFIG_CRYPTO_AES_S390=m +CONFIG_CRYPTO_PAES_S390=m CONFIG_CRYPTO_GHASH_S390=m CONFIG_CRYPTO_CRC32_S390=y CONFIG_CRC7=m diff --git a/arch/s390/configs/performance_defconfig b/arch/s390/configs/performance_defconfig index fbc6542aaf59..653d72bcc007 100644 --- a/arch/s390/configs/performance_defconfig +++ b/arch/s390/configs/performance_defconfig @@ -31,6 +31,7 @@ CONFIG_USER_NS=y CONFIG_SCHED_AUTOGROUP=y CONFIG_BLK_DEV_INITRD=y CONFIG_EXPERT=y +# CONFIG_SYSFS_SYSCALL is not set CONFIG_BPF_SYSCALL=y CONFIG_USERFAULTFD=y # CONFIG_COMPAT_BRK is not set @@ -44,7 +45,10 @@ CONFIG_MODULE_UNLOAD=y CONFIG_MODULE_FORCE_UNLOAD=y CONFIG_MODVERSIONS=y CONFIG_MODULE_SRCVERSION_ALL=y +CONFIG_BLK_DEV_INTEGRITY=y CONFIG_BLK_DEV_THROTTLING=y +CONFIG_BLK_WBT=y +CONFIG_BLK_WBT_SQ=y CONFIG_PARTITION_ADVANCED=y CONFIG_IBM_PARTITION=y CONFIG_BSD_DISKLABEL=y @@ -86,6 +90,8 @@ CONFIG_UNIX=y CONFIG_UNIX_DIAG=m CONFIG_XFRM_USER=m CONFIG_NET_KEY=m +CONFIG_SMC=m +CONFIG_SMC_DIAG=m CONFIG_INET=y CONFIG_IP_MULTICAST=y CONFIG_IP_ADVANCED_ROUTER=y @@ -354,6 +360,7 @@ CONFIG_NET_ACT_SIMP=m CONFIG_NET_ACT_SKBEDIT=m CONFIG_NET_ACT_CSUM=m CONFIG_DNS_RESOLVER=y +CONFIG_NETLINK_DIAG=m CONFIG_CGROUP_NET_PRIO=y CONFIG_BPF_JIT=y CONFIG_NET_PKTGEN=m @@ -362,16 +369,18 @@ CONFIG_DEVTMPFS=y CONFIG_DMA_CMA=y CONFIG_CMA_SIZE_MBYTES=0 CONFIG_CONNECTOR=y +CONFIG_ZRAM=m CONFIG_BLK_DEV_LOOP=m CONFIG_BLK_DEV_CRYPTOLOOP=m +CONFIG_BLK_DEV_DRBD=m CONFIG_BLK_DEV_NBD=m CONFIG_BLK_DEV_OSD=m CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_SIZE=32768 -CONFIG_CDROM_PKTCDVD=m -CONFIG_ATA_OVER_ETH=m +CONFIG_BLK_DEV_RAM_DAX=y CONFIG_VIRTIO_BLK=y CONFIG_ENCLOSURE_SERVICES=m +CONFIG_GENWQE=m CONFIG_RAID_ATTRS=m CONFIG_SCSI=y CONFIG_BLK_DEV_SD=y @@ -437,6 +446,8 @@ CONFIG_NLMON=m # CONFIG_NET_VENDOR_INTEL is not set # CONFIG_NET_VENDOR_MARVELL is not set CONFIG_MLX4_EN=m +CONFIG_MLX5_CORE=m +CONFIG_MLX5_CORE_EN=y # CONFIG_NET_VENDOR_NATSEMI is not set CONFIG_PPP=m CONFIG_PPP_BSDCOMP=m @@ -447,7 +458,6 @@ CONFIG_PPTP=m CONFIG_PPPOL2TP=m CONFIG_PPP_ASYNC=m CONFIG_PPP_SYNC_TTY=m -# CONFIG_INPUT_MOUSEDEV_PSAUX is not set # CONFIG_INPUT_KEYBOARD is not set # CONFIG_INPUT_MOUSE is not set # CONFIG_SERIO is not set @@ -466,6 +476,7 @@ CONFIG_DIAG288_WATCHDOG=m CONFIG_INFINIBAND=m CONFIG_INFINIBAND_USER_ACCESS=m CONFIG_MLX4_INFINIBAND=m +CONFIG_MLX5_INFINIBAND=m CONFIG_VIRTIO_BALLOON=m CONFIG_EXT4_FS=y CONFIG_EXT4_FS_POSIX_ACL=y @@ -481,11 +492,15 @@ CONFIG_XFS_QUOTA=y CONFIG_XFS_POSIX_ACL=y CONFIG_XFS_RT=y CONFIG_GFS2_FS=m +CONFIG_GFS2_FS_LOCKING_DLM=y CONFIG_OCFS2_FS=m CONFIG_BTRFS_FS=y CONFIG_BTRFS_FS_POSIX_ACL=y CONFIG_NILFS2_FS=m +CONFIG_FS_DAX=y +CONFIG_EXPORTFS_BLOCK_OPS=y CONFIG_FANOTIFY=y +CONFIG_FANOTIFY_ACCESS_PERMISSIONS=y CONFIG_QUOTA_NETLINK_INTERFACE=y CONFIG_QFMT_V1=m CONFIG_QFMT_V2=m @@ -551,7 +566,6 @@ CONFIG_UNUSED_SYMBOLS=y CONFIG_MAGIC_SYSRQ=y CONFIG_DEBUG_MEMORY_INIT=y CONFIG_PANIC_ON_OOPS=y -CONFIG_TIMER_STATS=y CONFIG_RCU_TORTURE_TEST=m CONFIG_RCU_CPU_STALL_TIMEOUT=60 CONFIG_LATENCYTOP=y @@ -574,6 +588,7 @@ CONFIG_BIG_KEYS=y CONFIG_ENCRYPTED_KEYS=m CONFIG_SECURITY=y CONFIG_SECURITY_NETWORK=y +CONFIG_HARDENED_USERCOPY=y CONFIG_SECURITY_SELINUX=y CONFIG_SECURITY_SELINUX_BOOTPARAM=y CONFIG_SECURITY_SELINUX_BOOTPARAM_VALUE=0 @@ -597,6 +612,7 @@ CONFIG_CRYPTO_CHACHA20POLY1305=m CONFIG_CRYPTO_LRW=m CONFIG_CRYPTO_PCBC=m CONFIG_CRYPTO_KEYWRAP=m +CONFIG_CRYPTO_CMAC=m CONFIG_CRYPTO_XCBC=m CONFIG_CRYPTO_VMAC=m CONFIG_CRYPTO_CRC32=m @@ -609,6 +625,7 @@ CONFIG_CRYPTO_SHA512=m CONFIG_CRYPTO_SHA3=m CONFIG_CRYPTO_TGR192=m CONFIG_CRYPTO_WP512=m +CONFIG_CRYPTO_AES_TI=m CONFIG_CRYPTO_ANUBIS=m CONFIG_CRYPTO_BLOWFISH=m CONFIG_CRYPTO_CAMELLIA=m @@ -624,6 +641,7 @@ CONFIG_CRYPTO_TWOFISH=m CONFIG_CRYPTO_842=m CONFIG_CRYPTO_LZ4=m CONFIG_CRYPTO_LZ4HC=m +CONFIG_CRYPTO_ANSI_CPRNG=m CONFIG_CRYPTO_USER_API_HASH=m CONFIG_CRYPTO_USER_API_SKCIPHER=m CONFIG_CRYPTO_USER_API_RNG=m @@ -635,6 +653,7 @@ CONFIG_CRYPTO_SHA256_S390=m CONFIG_CRYPTO_SHA512_S390=m CONFIG_CRYPTO_DES_S390=m CONFIG_CRYPTO_AES_S390=m +CONFIG_CRYPTO_PAES_S390=m CONFIG_CRYPTO_GHASH_S390=m CONFIG_CRYPTO_CRC32_S390=y CONFIG_CRC7=m diff --git a/arch/s390/configs/zfcpdump_defconfig b/arch/s390/configs/zfcpdump_defconfig index e23d97c13735..afa46a7406ea 100644 --- a/arch/s390/configs/zfcpdump_defconfig +++ b/arch/s390/configs/zfcpdump_defconfig @@ -12,8 +12,10 @@ CONFIG_TUNE_ZEC12=y CONFIG_NR_CPUS=2 # CONFIG_HOTPLUG_CPU is not set CONFIG_HZ_100=y +# CONFIG_ARCH_RANDOM is not set # CONFIG_COMPACTION is not set # CONFIG_MIGRATION is not set +# CONFIG_BOUNCE is not set # CONFIG_CHECK_STACK is not set # CONFIG_CHSC_SCH is not set # CONFIG_SCM_BUS is not set @@ -36,11 +38,11 @@ CONFIG_SCSI_CONSTANTS=y CONFIG_SCSI_LOGGING=y CONFIG_SCSI_FC_ATTRS=y CONFIG_ZFCP=y -# CONFIG_INPUT_MOUSEDEV_PSAUX is not set # CONFIG_INPUT_KEYBOARD is not set # CONFIG_INPUT_MOUSE is not set # CONFIG_SERIO is not set # CONFIG_HVC_IUCV is not set +# CONFIG_HW_RANDOM_S390 is not set CONFIG_RAW_DRIVER=y # CONFIG_SCLP_ASYNC is not set # CONFIG_HMC_DRV is not set @@ -54,9 +56,9 @@ CONFIG_RAW_DRIVER=y # CONFIG_INOTIFY_USER is not set CONFIG_CONFIGFS_FS=y # CONFIG_MISC_FILESYSTEMS is not set +# CONFIG_NETWORK_FILESYSTEMS is not set CONFIG_PRINTK_TIME=y CONFIG_DEBUG_INFO=y -CONFIG_DEBUG_FS=y CONFIG_DEBUG_KERNEL=y CONFIG_PANIC_ON_OOPS=y # CONFIG_SCHED_DEBUG is not set diff --git a/arch/s390/defconfig b/arch/s390/defconfig index 97189dbaf34b..20244a38c886 100644 --- a/arch/s390/defconfig +++ b/arch/s390/defconfig @@ -28,6 +28,7 @@ CONFIG_NAMESPACES=y CONFIG_USER_NS=y CONFIG_BLK_DEV_INITRD=y CONFIG_EXPERT=y +# CONFIG_SYSFS_SYSCALL is not set CONFIG_BPF_SYSCALL=y CONFIG_USERFAULTFD=y # CONFIG_COMPAT_BRK is not set @@ -108,7 +109,6 @@ CONFIG_ZFCP=y CONFIG_SCSI_VIRTIO=y CONFIG_MD=y CONFIG_MD_LINEAR=m -CONFIG_MD_RAID0=m CONFIG_MD_MULTIPATH=m CONFIG_BLK_DEV_DM=y CONFIG_DM_CRYPT=m @@ -131,6 +131,7 @@ CONFIG_TUN=m CONFIG_VIRTIO_NET=y # CONFIG_NET_VENDOR_ALACRITECH is not set # CONFIG_NET_VENDOR_SOLARFLARE is not set +# CONFIG_NET_VENDOR_SYNOPSYS is not set # CONFIG_INPUT is not set # CONFIG_SERIO is not set CONFIG_DEVKMEM=y @@ -162,7 +163,6 @@ CONFIG_MAGIC_SYSRQ=y CONFIG_DEBUG_PAGEALLOC=y CONFIG_DETECT_HUNG_TASK=y CONFIG_PANIC_ON_OOPS=y -CONFIG_TIMER_STATS=y CONFIG_DEBUG_RT_MUTEXES=y CONFIG_PROVE_LOCKING=y CONFIG_LOCK_STAT=y @@ -172,14 +172,12 @@ CONFIG_DEBUG_LIST=y CONFIG_DEBUG_SG=y CONFIG_DEBUG_NOTIFIERS=y CONFIG_RCU_CPU_STALL_TIMEOUT=60 -CONFIG_RCU_TRACE=y CONFIG_LATENCYTOP=y CONFIG_SCHED_TRACER=y CONFIG_FTRACE_SYSCALLS=y CONFIG_TRACER_SNAPSHOT_PER_CPU_SWAP=y CONFIG_STACK_TRACER=y CONFIG_BLK_DEV_IO_TRACE=y -CONFIG_UPROBE_EVENTS=y CONFIG_FUNCTION_PROFILER=y CONFIG_TRACE_ENUM_MAP_FILE=y CONFIG_KPROBES_SANITY_TEST=y @@ -190,7 +188,6 @@ CONFIG_CRYPTO_CCM=m CONFIG_CRYPTO_GCM=m CONFIG_CRYPTO_CBC=y CONFIG_CRYPTO_CTS=m -CONFIG_CRYPTO_ECB=m CONFIG_CRYPTO_LRW=m CONFIG_CRYPTO_PCBC=m CONFIG_CRYPTO_XTS=m @@ -230,6 +227,7 @@ CONFIG_CRYPTO_USER_API_SKCIPHER=m CONFIG_CRYPTO_USER_API_RNG=m CONFIG_ZCRYPT=m CONFIG_PKEY=m +CONFIG_CRYPTO_PAES_S390=m CONFIG_CRYPTO_SHA1_S390=m CONFIG_CRYPTO_SHA256_S390=m CONFIG_CRYPTO_SHA512_S390=m diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S index e408d9cc5b96..6315037335ba 100644 --- a/arch/s390/kernel/entry.S +++ b/arch/s390/kernel/entry.S @@ -231,12 +231,17 @@ ENTRY(sie64a) lctlg %c1,%c1,__LC_USER_ASCE # load primary asce .Lsie_done: # some program checks are suppressing. C code (e.g. do_protection_exception) -# will rewind the PSW by the ILC, which is 4 bytes in case of SIE. Other -# instructions between sie64a and .Lsie_done should not cause program -# interrupts. So lets use a nop (47 00 00 00) as a landing pad. +# will rewind the PSW by the ILC, which is often 4 bytes in case of SIE. There +# are some corner cases (e.g. runtime instrumentation) where ILC is unpredictable. +# Other instructions between sie64a and .Lsie_done should not cause program +# interrupts. So lets use 3 nops as a landing pad for all possible rewinds. # See also .Lcleanup_sie -.Lrewind_pad: - nop 0 +.Lrewind_pad6: + nopr 7 +.Lrewind_pad4: + nopr 7 +.Lrewind_pad2: + nopr 7 .globl sie_exit sie_exit: lg %r14,__SF_EMPTY+8(%r15) # load guest register save area @@ -249,7 +254,9 @@ sie_exit: stg %r14,__SF_EMPTY+16(%r15) # set exit reason code j sie_exit - EX_TABLE(.Lrewind_pad,.Lsie_fault) + EX_TABLE(.Lrewind_pad6,.Lsie_fault) + EX_TABLE(.Lrewind_pad4,.Lsie_fault) + EX_TABLE(.Lrewind_pad2,.Lsie_fault) EX_TABLE(sie_exit,.Lsie_fault) EXPORT_SYMBOL(sie64a) EXPORT_SYMBOL(sie_exit) diff --git a/arch/s390/kvm/gaccess.c b/arch/s390/kvm/gaccess.c index 9da243d94cc3..3b297fa3aa67 100644 --- a/arch/s390/kvm/gaccess.c +++ b/arch/s390/kvm/gaccess.c @@ -977,11 +977,12 @@ static int kvm_s390_shadow_tables(struct gmap *sg, unsigned long saddr, ptr = asce.origin * 4096; if (asce.r) { *fake = 1; + ptr = 0; asce.dt = ASCE_TYPE_REGION1; } switch (asce.dt) { case ASCE_TYPE_REGION1: - if (vaddr.rfx01 > asce.tl && !asce.r) + if (vaddr.rfx01 > asce.tl && !*fake) return PGM_REGION_FIRST_TRANS; break; case ASCE_TYPE_REGION2: @@ -1009,8 +1010,7 @@ static int kvm_s390_shadow_tables(struct gmap *sg, unsigned long saddr, union region1_table_entry rfte; if (*fake) { - /* offset in 16EB guest memory block */ - ptr = ptr + ((unsigned long) vaddr.rsx << 53UL); + ptr += (unsigned long) vaddr.rfx << 53; rfte.val = ptr; goto shadow_r2t; } @@ -1036,8 +1036,7 @@ shadow_r2t: union region2_table_entry rste; if (*fake) { - /* offset in 8PB guest memory block */ - ptr = ptr + ((unsigned long) vaddr.rtx << 42UL); + ptr += (unsigned long) vaddr.rsx << 42; rste.val = ptr; goto shadow_r3t; } @@ -1064,8 +1063,7 @@ shadow_r3t: union region3_table_entry rtte; if (*fake) { - /* offset in 4TB guest memory block */ - ptr = ptr + ((unsigned long) vaddr.sx << 31UL); + ptr += (unsigned long) vaddr.rtx << 31; rtte.val = ptr; goto shadow_sgt; } @@ -1101,8 +1099,7 @@ shadow_sgt: union segment_table_entry ste; if (*fake) { - /* offset in 2G guest memory block */ - ptr = ptr + ((unsigned long) vaddr.sx << 20UL); + ptr += (unsigned long) vaddr.sx << 20; ste.val = ptr; goto shadow_pgt; } diff --git a/arch/s390/mm/mmap.c b/arch/s390/mm/mmap.c index b017daed6887..b854b1da281a 100644 --- a/arch/s390/mm/mmap.c +++ b/arch/s390/mm/mmap.c @@ -101,7 +101,7 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, addr = PAGE_ALIGN(addr); vma = find_vma(mm, addr); if (TASK_SIZE - len >= addr && addr >= mmap_min_addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma))) goto check_asce_limit; } @@ -151,7 +151,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, addr = PAGE_ALIGN(addr); vma = find_vma(mm, addr); if (TASK_SIZE - len >= addr && addr >= mmap_min_addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma))) goto check_asce_limit; } diff --git a/arch/sh/mm/mmap.c b/arch/sh/mm/mmap.c index 08e7af0be4a7..6a1a1297baae 100644 --- a/arch/sh/mm/mmap.c +++ b/arch/sh/mm/mmap.c @@ -64,7 +64,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, vma = find_vma(mm, addr); if (TASK_SIZE - len >= addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma))) return addr; } @@ -114,7 +114,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, vma = find_vma(mm, addr); if (TASK_SIZE - len >= addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma))) return addr; } diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c index ef4520efc813..043544d0cda3 100644 --- a/arch/sparc/kernel/sys_sparc_64.c +++ b/arch/sparc/kernel/sys_sparc_64.c @@ -120,7 +120,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi vma = find_vma(mm, addr); if (task_size - len >= addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma))) return addr; } @@ -183,7 +183,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, vma = find_vma(mm, addr); if (task_size - len >= addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma))) return addr; } diff --git a/arch/sparc/mm/hugetlbpage.c b/arch/sparc/mm/hugetlbpage.c index 7c29d38e6b99..88855e383b34 100644 --- a/arch/sparc/mm/hugetlbpage.c +++ b/arch/sparc/mm/hugetlbpage.c @@ -120,7 +120,7 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr, addr = ALIGN(addr, huge_page_size(h)); vma = find_vma(mm, addr); if (task_size - len >= addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma))) return addr; } if (mm->get_unmapped_area == arch_get_unmapped_area) diff --git a/arch/tile/mm/hugetlbpage.c b/arch/tile/mm/hugetlbpage.c index cb10153b5c9f..03e5cc4e76e4 100644 --- a/arch/tile/mm/hugetlbpage.c +++ b/arch/tile/mm/hugetlbpage.c @@ -233,7 +233,7 @@ unsigned long hugetlb_get_unmapped_area(struct file *file, unsigned long addr, addr = ALIGN(addr, huge_page_size(h)); vma = find_vma(mm, addr); if (TASK_SIZE - len >= addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma))) return addr; } if (current->mm->get_unmapped_area == arch_get_unmapped_area) diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c index a6d91d4e37a1..110ce8238466 100644 --- a/arch/x86/events/intel/core.c +++ b/arch/x86/events/intel/core.c @@ -431,11 +431,11 @@ static __initconst const u64 skl_hw_cache_event_ids [ C(DTLB) ] = { [ C(OP_READ) ] = { [ C(RESULT_ACCESS) ] = 0x81d0, /* MEM_INST_RETIRED.ALL_LOADS */ - [ C(RESULT_MISS) ] = 0x608, /* DTLB_LOAD_MISSES.WALK_COMPLETED */ + [ C(RESULT_MISS) ] = 0xe08, /* DTLB_LOAD_MISSES.WALK_COMPLETED */ }, [ C(OP_WRITE) ] = { [ C(RESULT_ACCESS) ] = 0x82d0, /* MEM_INST_RETIRED.ALL_STORES */ - [ C(RESULT_MISS) ] = 0x649, /* DTLB_STORE_MISSES.WALK_COMPLETED */ + [ C(RESULT_MISS) ] = 0xe49, /* DTLB_STORE_MISSES.WALK_COMPLETED */ }, [ C(OP_PREFETCH) ] = { [ C(RESULT_ACCESS) ] = 0x0, diff --git a/arch/x86/include/asm/extable.h b/arch/x86/include/asm/extable.h index b8ad261d11dc..c66d19e3c23e 100644 --- a/arch/x86/include/asm/extable.h +++ b/arch/x86/include/asm/extable.h @@ -29,6 +29,7 @@ struct pt_regs; } while (0) extern int fixup_exception(struct pt_regs *regs, int trapnr); +extern int fixup_bug(struct pt_regs *regs, int trapnr); extern bool ex_has_fault_handler(unsigned long ip); extern void early_fixup_exception(struct pt_regs *regs, int trapnr); diff --git a/arch/x86/include/asm/kvm_emulate.h b/arch/x86/include/asm/kvm_emulate.h index 055962615779..722d0e568863 100644 --- a/arch/x86/include/asm/kvm_emulate.h +++ b/arch/x86/include/asm/kvm_emulate.h @@ -296,6 +296,7 @@ struct x86_emulate_ctxt { bool perm_ok; /* do not check permissions if true */ bool ud; /* inject an #UD if host doesn't support insn */ + bool tf; /* TF value before instruction (after for syscall/sysret) */ bool have_exception; struct x86_exception exception; diff --git a/arch/x86/include/asm/mshyperv.h b/arch/x86/include/asm/mshyperv.h index fba100713924..d5acc27ed1cc 100644 --- a/arch/x86/include/asm/mshyperv.h +++ b/arch/x86/include/asm/mshyperv.h @@ -2,8 +2,7 @@ #define _ASM_X86_MSHYPER_H #include <linux/types.h> -#include <linux/interrupt.h> -#include <linux/clocksource.h> +#include <linux/atomic.h> #include <asm/hyperv.h> /* diff --git a/arch/x86/kernel/sys_x86_64.c b/arch/x86/kernel/sys_x86_64.c index 207b8f2582c7..213ddf3e937d 100644 --- a/arch/x86/kernel/sys_x86_64.c +++ b/arch/x86/kernel/sys_x86_64.c @@ -144,7 +144,7 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, addr = PAGE_ALIGN(addr); vma = find_vma(mm, addr); if (end - len >= addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma))) return addr; } @@ -187,7 +187,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, addr = PAGE_ALIGN(addr); vma = find_vma(mm, addr); if (TASK_SIZE - len >= addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma))) return addr; } diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c index 3995d3a777d4..bf54309b85da 100644 --- a/arch/x86/kernel/traps.c +++ b/arch/x86/kernel/traps.c @@ -182,7 +182,7 @@ int is_valid_bugaddr(unsigned long addr) return ud == INSN_UD0 || ud == INSN_UD2; } -static int fixup_bug(struct pt_regs *regs, int trapnr) +int fixup_bug(struct pt_regs *regs, int trapnr) { if (trapnr != X86_TRAP_UD) return 0; diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index 0816ab2e8adc..80890dee66ce 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -2742,6 +2742,7 @@ static int em_syscall(struct x86_emulate_ctxt *ctxt) ctxt->eflags &= ~(X86_EFLAGS_VM | X86_EFLAGS_IF); } + ctxt->tf = (ctxt->eflags & X86_EFLAGS_TF) != 0; return X86EMUL_CONTINUE; } diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 87d3cb901935..0e846f0cb83b 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -5313,6 +5313,8 @@ static void init_emulate_ctxt(struct kvm_vcpu *vcpu) kvm_x86_ops->get_cs_db_l_bits(vcpu, &cs_db, &cs_l); ctxt->eflags = kvm_get_rflags(vcpu); + ctxt->tf = (ctxt->eflags & X86_EFLAGS_TF) != 0; + ctxt->eip = kvm_rip_read(vcpu); ctxt->mode = (!is_protmode(vcpu)) ? X86EMUL_MODE_REAL : (ctxt->eflags & X86_EFLAGS_VM) ? X86EMUL_MODE_VM86 : @@ -5528,36 +5530,25 @@ static int kvm_vcpu_check_hw_bp(unsigned long addr, u32 type, u32 dr7, return dr6; } -static void kvm_vcpu_check_singlestep(struct kvm_vcpu *vcpu, unsigned long rflags, int *r) +static void kvm_vcpu_do_singlestep(struct kvm_vcpu *vcpu, int *r) { struct kvm_run *kvm_run = vcpu->run; - /* - * rflags is the old, "raw" value of the flags. The new value has - * not been saved yet. - * - * This is correct even for TF set by the guest, because "the - * processor will not generate this exception after the instruction - * that sets the TF flag". - */ - if (unlikely(rflags & X86_EFLAGS_TF)) { - if (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP) { - kvm_run->debug.arch.dr6 = DR6_BS | DR6_FIXED_1 | - DR6_RTM; - kvm_run->debug.arch.pc = vcpu->arch.singlestep_rip; - kvm_run->debug.arch.exception = DB_VECTOR; - kvm_run->exit_reason = KVM_EXIT_DEBUG; - *r = EMULATE_USER_EXIT; - } else { - /* - * "Certain debug exceptions may clear bit 0-3. The - * remaining contents of the DR6 register are never - * cleared by the processor". - */ - vcpu->arch.dr6 &= ~15; - vcpu->arch.dr6 |= DR6_BS | DR6_RTM; - kvm_queue_exception(vcpu, DB_VECTOR); - } + if (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP) { + kvm_run->debug.arch.dr6 = DR6_BS | DR6_FIXED_1 | DR6_RTM; + kvm_run->debug.arch.pc = vcpu->arch.singlestep_rip; + kvm_run->debug.arch.exception = DB_VECTOR; + kvm_run->exit_reason = KVM_EXIT_DEBUG; + *r = EMULATE_USER_EXIT; + } else { + /* + * "Certain debug exceptions may clear bit 0-3. The + * remaining contents of the DR6 register are never + * cleared by the processor". + */ + vcpu->arch.dr6 &= ~15; + vcpu->arch.dr6 |= DR6_BS | DR6_RTM; + kvm_queue_exception(vcpu, DB_VECTOR); } } @@ -5567,7 +5558,17 @@ int kvm_skip_emulated_instruction(struct kvm_vcpu *vcpu) int r = EMULATE_DONE; kvm_x86_ops->skip_emulated_instruction(vcpu); - kvm_vcpu_check_singlestep(vcpu, rflags, &r); + + /* + * rflags is the old, "raw" value of the flags. The new value has + * not been saved yet. + * + * This is correct even for TF set by the guest, because "the + * processor will not generate this exception after the instruction + * that sets the TF flag". + */ + if (unlikely(rflags & X86_EFLAGS_TF)) + kvm_vcpu_do_singlestep(vcpu, &r); return r == EMULATE_DONE; } EXPORT_SYMBOL_GPL(kvm_skip_emulated_instruction); @@ -5726,8 +5727,9 @@ restart: toggle_interruptibility(vcpu, ctxt->interruptibility); vcpu->arch.emulate_regs_need_sync_to_vcpu = false; kvm_rip_write(vcpu, ctxt->eip); - if (r == EMULATE_DONE) - kvm_vcpu_check_singlestep(vcpu, rflags, &r); + if (r == EMULATE_DONE && + (ctxt->tf || (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP))) + kvm_vcpu_do_singlestep(vcpu, &r); if (!ctxt->have_exception || exception_type(ctxt->exception.vector) == EXCPT_TRAP) __kvm_set_rflags(vcpu, ctxt->eflags); diff --git a/arch/x86/mm/extable.c b/arch/x86/mm/extable.c index 35ea061010a1..0ea8afcb929c 100644 --- a/arch/x86/mm/extable.c +++ b/arch/x86/mm/extable.c @@ -162,6 +162,9 @@ void __init early_fixup_exception(struct pt_regs *regs, int trapnr) if (fixup_exception(regs, trapnr)) return; + if (fixup_bug(regs, trapnr)) + return; + fail: early_printk("PANIC: early exception 0x%02x IP %lx:%lx error %lx cr2 0x%lx\n", (unsigned)trapnr, (unsigned long)regs->cs, regs->ip, diff --git a/arch/x86/mm/hugetlbpage.c b/arch/x86/mm/hugetlbpage.c index 302f43fd9c28..adad702b39cd 100644 --- a/arch/x86/mm/hugetlbpage.c +++ b/arch/x86/mm/hugetlbpage.c @@ -148,7 +148,7 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr, addr = ALIGN(addr, huge_page_size(h)); vma = find_vma(mm, addr); if (TASK_SIZE - len >= addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma))) return addr; } if (mm->get_unmapped_area == arch_get_unmapped_area) diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c index cbc87ea98751..9b3f9fa5b283 100644 --- a/arch/x86/mm/init.c +++ b/arch/x86/mm/init.c @@ -161,16 +161,16 @@ static int page_size_mask; static void __init probe_page_size_mask(void) { -#if !defined(CONFIG_KMEMCHECK) /* * For CONFIG_KMEMCHECK or pagealloc debugging, identity mapping will * use small pages. * This will simplify cpa(), which otherwise needs to support splitting * large pages into small in interrupt context, etc. */ - if (boot_cpu_has(X86_FEATURE_PSE) && !debug_pagealloc_enabled()) + if (boot_cpu_has(X86_FEATURE_PSE) && !debug_pagealloc_enabled() && !IS_ENABLED(CONFIG_KMEMCHECK)) page_size_mask |= 1 << PG_LEVEL_2M; -#endif + else + direct_gbpages = 0; /* Enable PSE if available */ if (boot_cpu_has(X86_FEATURE_PSE)) diff --git a/arch/xtensa/include/asm/irq.h b/arch/xtensa/include/asm/irq.h index f71f88ea7646..19707db966f1 100644 --- a/arch/xtensa/include/asm/irq.h +++ b/arch/xtensa/include/asm/irq.h @@ -29,7 +29,8 @@ static inline void variant_irq_disable(unsigned int irq) { } # define PLATFORM_NR_IRQS 0 #endif #define XTENSA_NR_IRQS XCHAL_NUM_INTERRUPTS -#define NR_IRQS (XTENSA_NR_IRQS + VARIANT_NR_IRQS + PLATFORM_NR_IRQS) +#define NR_IRQS (XTENSA_NR_IRQS + VARIANT_NR_IRQS + PLATFORM_NR_IRQS + 1) +#define XTENSA_PIC_LINUX_IRQ(hwirq) ((hwirq) + 1) #if VARIANT_NR_IRQS == 0 static inline void variant_init_irq(void) { } diff --git a/arch/xtensa/kernel/irq.c b/arch/xtensa/kernel/irq.c index a265edd6ac37..99341028cc77 100644 --- a/arch/xtensa/kernel/irq.c +++ b/arch/xtensa/kernel/irq.c @@ -34,11 +34,6 @@ asmlinkage void do_IRQ(int hwirq, struct pt_regs *regs) { int irq = irq_find_mapping(NULL, hwirq); - if (hwirq >= NR_IRQS) { - printk(KERN_EMERG "%s: cannot handle IRQ %d\n", - __func__, hwirq); - } - #ifdef CONFIG_DEBUG_STACKOVERFLOW /* Debugging check for stack overflow: is there less than 1KB free? */ { diff --git a/arch/xtensa/kernel/setup.c b/arch/xtensa/kernel/setup.c index 394ef08300b6..33bfa5270d95 100644 --- a/arch/xtensa/kernel/setup.c +++ b/arch/xtensa/kernel/setup.c @@ -593,8 +593,7 @@ c_show(struct seq_file *f, void *slot) (ccount_freq/10000) % 100, loops_per_jiffy/(500000/HZ), (loops_per_jiffy/(5000/HZ)) % 100); - - seq_printf(f,"flags\t\t: " + seq_puts(f, "flags\t\t: " #if XCHAL_HAVE_NMI "nmi " #endif diff --git a/arch/xtensa/kernel/syscall.c b/arch/xtensa/kernel/syscall.c index 06937928cb72..74afbf02d07e 100644 --- a/arch/xtensa/kernel/syscall.c +++ b/arch/xtensa/kernel/syscall.c @@ -88,7 +88,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, /* At this point: (!vmm || addr < vmm->vm_end). */ if (TASK_SIZE - len < addr) return -ENOMEM; - if (!vmm || addr + len <= vmm->vm_start) + if (!vmm || addr + len <= vm_start_gap(vmm)) return addr; addr = vmm->vm_end; if (flags & MAP_SHARED) diff --git a/arch/xtensa/kernel/vmlinux.lds.S b/arch/xtensa/kernel/vmlinux.lds.S index 30d9fc21e076..162c77e53ca8 100644 --- a/arch/xtensa/kernel/vmlinux.lds.S +++ b/arch/xtensa/kernel/vmlinux.lds.S @@ -118,7 +118,7 @@ SECTIONS SECTION_VECTOR (.KernelExceptionVector.text, KERNEL_VECTOR_VADDR) SECTION_VECTOR (.UserExceptionVector.literal, USER_VECTOR_VADDR - 4) SECTION_VECTOR (.UserExceptionVector.text, USER_VECTOR_VADDR) - SECTION_VECTOR (.DoubleExceptionVector.literal, DOUBLEEXC_VECTOR_VADDR - 48) + SECTION_VECTOR (.DoubleExceptionVector.literal, DOUBLEEXC_VECTOR_VADDR - 20) SECTION_VECTOR (.DoubleExceptionVector.text, DOUBLEEXC_VECTOR_VADDR) #endif @@ -306,13 +306,13 @@ SECTIONS .UserExceptionVector.literal) SECTION_VECTOR (_DoubleExceptionVector_literal, .DoubleExceptionVector.literal, - DOUBLEEXC_VECTOR_VADDR - 48, + DOUBLEEXC_VECTOR_VADDR - 20, SIZEOF(.UserExceptionVector.text), .UserExceptionVector.text) SECTION_VECTOR (_DoubleExceptionVector_text, .DoubleExceptionVector.text, DOUBLEEXC_VECTOR_VADDR, - 48, + 20, .DoubleExceptionVector.literal) . = (LOADADDR( .DoubleExceptionVector.text ) + SIZEOF( .DoubleExceptionVector.text ) + 3) & ~ 3; diff --git a/arch/xtensa/platforms/iss/simdisk.c b/arch/xtensa/platforms/iss/simdisk.c index 02e94bb3ad3e..c45b90bb9339 100644 --- a/arch/xtensa/platforms/iss/simdisk.c +++ b/arch/xtensa/platforms/iss/simdisk.c @@ -317,8 +317,7 @@ static int __init simdisk_init(void) if (simdisk_count > MAX_SIMDISK_COUNT) simdisk_count = MAX_SIMDISK_COUNT; - sddev = kmalloc(simdisk_count * sizeof(struct simdisk), - GFP_KERNEL); + sddev = kmalloc_array(simdisk_count, sizeof(*sddev), GFP_KERNEL); if (sddev == NULL) goto out_unregister; diff --git a/arch/xtensa/platforms/xtfpga/include/platform/hardware.h b/arch/xtensa/platforms/xtfpga/include/platform/hardware.h index dbeea2b440a1..1fda7e20dfcb 100644 --- a/arch/xtensa/platforms/xtfpga/include/platform/hardware.h +++ b/arch/xtensa/platforms/xtfpga/include/platform/hardware.h @@ -24,16 +24,18 @@ /* Interrupt configuration. */ -#define PLATFORM_NR_IRQS 10 +#define PLATFORM_NR_IRQS 0 /* Default assignment of LX60 devices to external interrupts. */ #ifdef CONFIG_XTENSA_MX #define DUART16552_INTNUM XCHAL_EXTINT3_NUM #define OETH_IRQ XCHAL_EXTINT4_NUM +#define C67X00_IRQ XCHAL_EXTINT8_NUM #else #define DUART16552_INTNUM XCHAL_EXTINT0_NUM #define OETH_IRQ XCHAL_EXTINT1_NUM +#define C67X00_IRQ XCHAL_EXTINT5_NUM #endif /* @@ -63,5 +65,5 @@ #define C67X00_PADDR (XCHAL_KIO_PADDR + 0x0D0D0000) #define C67X00_SIZE 0x10 -#define C67X00_IRQ 5 + #endif /* __XTENSA_XTAVNET_HARDWARE_H */ diff --git a/arch/xtensa/platforms/xtfpga/setup.c b/arch/xtensa/platforms/xtfpga/setup.c index 779be723eb2b..42285f35d313 100644 --- a/arch/xtensa/platforms/xtfpga/setup.c +++ b/arch/xtensa/platforms/xtfpga/setup.c @@ -175,8 +175,8 @@ static struct resource ethoc_res[] = { .flags = IORESOURCE_MEM, }, [2] = { /* IRQ number */ - .start = OETH_IRQ, - .end = OETH_IRQ, + .start = XTENSA_PIC_LINUX_IRQ(OETH_IRQ), + .end = XTENSA_PIC_LINUX_IRQ(OETH_IRQ), .flags = IORESOURCE_IRQ, }, }; @@ -213,8 +213,8 @@ static struct resource c67x00_res[] = { .flags = IORESOURCE_MEM, }, [1] = { /* IRQ number */ - .start = C67X00_IRQ, - .end = C67X00_IRQ, + .start = XTENSA_PIC_LINUX_IRQ(C67X00_IRQ), + .end = XTENSA_PIC_LINUX_IRQ(C67X00_IRQ), .flags = IORESOURCE_IRQ, }, }; @@ -247,7 +247,7 @@ static struct resource serial_resource = { static struct plat_serial8250_port serial_platform_data[] = { [0] = { .mapbase = DUART16552_PADDR, - .irq = DUART16552_INTNUM, + .irq = XTENSA_PIC_LINUX_IRQ(DUART16552_INTNUM), .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP, .iotype = XCHAL_HAVE_BE ? UPIO_MEM32BE : UPIO_MEM32, |