diff options
author | Ingo Molnar <mingo@kernel.org> | 2021-08-17 16:16:29 +0200 |
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committer | Ingo Molnar <mingo@kernel.org> | 2021-08-17 16:16:29 +0200 |
commit | c87866ede44ad7da6b296d732221dc34ce1b154d (patch) | |
tree | 2df013f6824e9252a1b30b1ea7f1681e454c6218 /include/asm-generic | |
parent | 55bccf1f93e4bf1b3209cc8648ab53f10f4601a5 (diff) | |
parent | 7c60610d476766e128cc4284bb6349732cbd6606 (diff) | |
download | linux-next-c87866ede44ad7da6b296d732221dc34ce1b154d.tar.gz |
Merge tag 'v5.14-rc6' into locking/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/asm-generic')
-rw-r--r-- | include/asm-generic/bug.h | 40 | ||||
-rw-r--r-- | include/asm-generic/hyperv-tlfs.h | 1 | ||||
-rw-r--r-- | include/asm-generic/logic_io.h | 78 | ||||
-rw-r--r-- | include/asm-generic/memory_model.h | 37 | ||||
-rw-r--r-- | include/asm-generic/pgtable-nop4d.h | 3 | ||||
-rw-r--r-- | include/asm-generic/pgtable-nopmd.h | 2 | ||||
-rw-r--r-- | include/asm-generic/pgtable-nopud.h | 2 | ||||
-rw-r--r-- | include/asm-generic/preempt.h | 2 | ||||
-rw-r--r-- | include/asm-generic/topology.h | 2 | ||||
-rw-r--r-- | include/asm-generic/uaccess.h | 4 | ||||
-rw-r--r-- | include/asm-generic/unaligned.h | 141 | ||||
-rw-r--r-- | include/asm-generic/vmlinux.lds.h | 2 |
12 files changed, 218 insertions, 96 deletions
diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h index b402494883b6..edb0e2a602a8 100644 --- a/include/asm-generic/bug.h +++ b/include/asm-generic/bug.h @@ -4,6 +4,7 @@ #include <linux/compiler.h> #include <linux/instrumentation.h> +#include <linux/once_lite.h> #define CUT_HERE "------------[ cut here ]------------\n" @@ -17,7 +18,8 @@ #endif #ifndef __ASSEMBLY__ -#include <linux/kernel.h> +#include <linux/panic.h> +#include <linux/printk.h> #ifdef CONFIG_BUG @@ -140,39 +142,15 @@ void __warn(const char *file, int line, void *caller, unsigned taint, }) #ifndef WARN_ON_ONCE -#define WARN_ON_ONCE(condition) ({ \ - static bool __section(".data.once") __warned; \ - int __ret_warn_once = !!(condition); \ - \ - if (unlikely(__ret_warn_once && !__warned)) { \ - __warned = true; \ - WARN_ON(1); \ - } \ - unlikely(__ret_warn_once); \ -}) +#define WARN_ON_ONCE(condition) \ + DO_ONCE_LITE_IF(condition, WARN_ON, 1) #endif -#define WARN_ONCE(condition, format...) ({ \ - static bool __section(".data.once") __warned; \ - int __ret_warn_once = !!(condition); \ - \ - if (unlikely(__ret_warn_once && !__warned)) { \ - __warned = true; \ - WARN(1, format); \ - } \ - unlikely(__ret_warn_once); \ -}) +#define WARN_ONCE(condition, format...) \ + DO_ONCE_LITE_IF(condition, WARN, 1, format) -#define WARN_TAINT_ONCE(condition, taint, format...) ({ \ - static bool __section(".data.once") __warned; \ - int __ret_warn_once = !!(condition); \ - \ - if (unlikely(__ret_warn_once && !__warned)) { \ - __warned = true; \ - WARN_TAINT(1, taint, format); \ - } \ - unlikely(__ret_warn_once); \ -}) +#define WARN_TAINT_ONCE(condition, taint, format...) \ + DO_ONCE_LITE_IF(condition, WARN_TAINT, 1, taint, format) #else /* !CONFIG_BUG */ #ifndef HAVE_ARCH_BUG diff --git a/include/asm-generic/hyperv-tlfs.h b/include/asm-generic/hyperv-tlfs.h index 515c3fb06ab3..56348a541c50 100644 --- a/include/asm-generic/hyperv-tlfs.h +++ b/include/asm-generic/hyperv-tlfs.h @@ -194,6 +194,7 @@ enum HV_GENERIC_SET_FORMAT { #define HV_STATUS_INVALID_HYPERCALL_INPUT 3 #define HV_STATUS_INVALID_ALIGNMENT 4 #define HV_STATUS_INVALID_PARAMETER 5 +#define HV_STATUS_ACCESS_DENIED 6 #define HV_STATUS_OPERATION_DENIED 8 #define HV_STATUS_INSUFFICIENT_MEMORY 11 #define HV_STATUS_INVALID_PORT_ID 17 diff --git a/include/asm-generic/logic_io.h b/include/asm-generic/logic_io.h new file mode 100644 index 000000000000..a53116b8c57e --- /dev/null +++ b/include/asm-generic/logic_io.h @@ -0,0 +1,78 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2021 Intel Corporation + * Author: johannes@sipsolutions.net + */ +#ifndef _LOGIC_IO_H +#define _LOGIC_IO_H +#include <linux/types.h> + +/* include this file into asm/io.h */ + +#ifdef CONFIG_INDIRECT_IOMEM + +#ifdef CONFIG_INDIRECT_IOMEM_FALLBACK +/* + * If you want emulated IO memory to fall back to 'normal' IO memory + * if a region wasn't registered as emulated, then you need to have + * all of the real_* functions implemented. + */ +#if !defined(real_ioremap) || !defined(real_iounmap) || \ + !defined(real_raw_readb) || !defined(real_raw_writeb) || \ + !defined(real_raw_readw) || !defined(real_raw_writew) || \ + !defined(real_raw_readl) || !defined(real_raw_writel) || \ + (defined(CONFIG_64BIT) && \ + (!defined(real_raw_readq) || !defined(real_raw_writeq))) || \ + !defined(real_memset_io) || \ + !defined(real_memcpy_fromio) || \ + !defined(real_memcpy_toio) +#error "Must provide fallbacks for real IO memory access" +#endif /* defined ... */ +#endif /* CONFIG_INDIRECT_IOMEM_FALLBACK */ + +#define ioremap ioremap +void __iomem *ioremap(phys_addr_t offset, size_t size); + +#define iounmap iounmap +void iounmap(void __iomem *addr); + +#define __raw_readb __raw_readb +u8 __raw_readb(const volatile void __iomem *addr); + +#define __raw_readw __raw_readw +u16 __raw_readw(const volatile void __iomem *addr); + +#define __raw_readl __raw_readl +u32 __raw_readl(const volatile void __iomem *addr); + +#ifdef CONFIG_64BIT +#define __raw_readq __raw_readq +u64 __raw_readq(const volatile void __iomem *addr); +#endif /* CONFIG_64BIT */ + +#define __raw_writeb __raw_writeb +void __raw_writeb(u8 value, volatile void __iomem *addr); + +#define __raw_writew __raw_writew +void __raw_writew(u16 value, volatile void __iomem *addr); + +#define __raw_writel __raw_writel +void __raw_writel(u32 value, volatile void __iomem *addr); + +#ifdef CONFIG_64BIT +#define __raw_writeq __raw_writeq +void __raw_writeq(u64 value, volatile void __iomem *addr); +#endif /* CONFIG_64BIT */ + +#define memset_io memset_io +void memset_io(volatile void __iomem *addr, int value, size_t size); + +#define memcpy_fromio memcpy_fromio +void memcpy_fromio(void *buffer, const volatile void __iomem *addr, + size_t size); + +#define memcpy_toio memcpy_toio +void memcpy_toio(volatile void __iomem *addr, const void *buffer, size_t size); + +#endif /* CONFIG_INDIRECT_IOMEM */ +#endif /* _LOGIC_IO_H */ diff --git a/include/asm-generic/memory_model.h b/include/asm-generic/memory_model.h index 7637fb46ba4f..a2c8ed60233a 100644 --- a/include/asm-generic/memory_model.h +++ b/include/asm-generic/memory_model.h @@ -6,47 +6,18 @@ #ifndef __ASSEMBLY__ +/* + * supports 3 memory models. + */ #if defined(CONFIG_FLATMEM) #ifndef ARCH_PFN_OFFSET #define ARCH_PFN_OFFSET (0UL) #endif -#elif defined(CONFIG_DISCONTIGMEM) - -#ifndef arch_pfn_to_nid -#define arch_pfn_to_nid(pfn) pfn_to_nid(pfn) -#endif - -#ifndef arch_local_page_offset -#define arch_local_page_offset(pfn, nid) \ - ((pfn) - NODE_DATA(nid)->node_start_pfn) -#endif - -#endif /* CONFIG_DISCONTIGMEM */ - -/* - * supports 3 memory models. - */ -#if defined(CONFIG_FLATMEM) - #define __pfn_to_page(pfn) (mem_map + ((pfn) - ARCH_PFN_OFFSET)) #define __page_to_pfn(page) ((unsigned long)((page) - mem_map) + \ ARCH_PFN_OFFSET) -#elif defined(CONFIG_DISCONTIGMEM) - -#define __pfn_to_page(pfn) \ -({ unsigned long __pfn = (pfn); \ - unsigned long __nid = arch_pfn_to_nid(__pfn); \ - NODE_DATA(__nid)->node_mem_map + arch_local_page_offset(__pfn, __nid);\ -}) - -#define __page_to_pfn(pg) \ -({ const struct page *__pg = (pg); \ - struct pglist_data *__pgdat = NODE_DATA(page_to_nid(__pg)); \ - (unsigned long)(__pg - __pgdat->node_mem_map) + \ - __pgdat->node_start_pfn; \ -}) #elif defined(CONFIG_SPARSEMEM_VMEMMAP) @@ -70,7 +41,7 @@ struct mem_section *__sec = __pfn_to_section(__pfn); \ __section_mem_map_addr(__sec) + __pfn; \ }) -#endif /* CONFIG_FLATMEM/DISCONTIGMEM/SPARSEMEM */ +#endif /* CONFIG_FLATMEM/SPARSEMEM */ /* * Convert a physical address to a Page Frame Number and back diff --git a/include/asm-generic/pgtable-nop4d.h b/include/asm-generic/pgtable-nop4d.h index ce2cbb3c380f..03b7dae47dd4 100644 --- a/include/asm-generic/pgtable-nop4d.h +++ b/include/asm-generic/pgtable-nop4d.h @@ -9,7 +9,6 @@ typedef struct { pgd_t pgd; } p4d_t; #define P4D_SHIFT PGDIR_SHIFT -#define MAX_PTRS_PER_P4D 1 #define PTRS_PER_P4D 1 #define P4D_SIZE (1UL << P4D_SHIFT) #define P4D_MASK (~(P4D_SIZE-1)) @@ -42,7 +41,7 @@ static inline p4d_t *p4d_offset(pgd_t *pgd, unsigned long address) #define __p4d(x) ((p4d_t) { __pgd(x) }) #define pgd_page(pgd) (p4d_page((p4d_t){ pgd })) -#define pgd_page_vaddr(pgd) (p4d_page_vaddr((p4d_t){ pgd })) +#define pgd_page_vaddr(pgd) ((unsigned long)(p4d_pgtable((p4d_t){ pgd }))) /* * allocating and freeing a p4d is trivial: the 1-entry p4d is diff --git a/include/asm-generic/pgtable-nopmd.h b/include/asm-generic/pgtable-nopmd.h index 3e13acd019ae..10789cf51d16 100644 --- a/include/asm-generic/pgtable-nopmd.h +++ b/include/asm-generic/pgtable-nopmd.h @@ -51,7 +51,7 @@ static inline pmd_t * pmd_offset(pud_t * pud, unsigned long address) #define __pmd(x) ((pmd_t) { __pud(x) } ) #define pud_page(pud) (pmd_page((pmd_t){ pud })) -#define pud_page_vaddr(pud) (pmd_page_vaddr((pmd_t){ pud })) +#define pud_pgtable(pud) ((pmd_t *)(pmd_page_vaddr((pmd_t){ pud }))) /* * allocating and freeing a pmd is trivial: the 1-entry pmd is diff --git a/include/asm-generic/pgtable-nopud.h b/include/asm-generic/pgtable-nopud.h index a9d751fbda9e..eb70c6d7ceff 100644 --- a/include/asm-generic/pgtable-nopud.h +++ b/include/asm-generic/pgtable-nopud.h @@ -49,7 +49,7 @@ static inline pud_t *pud_offset(p4d_t *p4d, unsigned long address) #define __pud(x) ((pud_t) { __p4d(x) }) #define p4d_page(p4d) (pud_page((pud_t){ p4d })) -#define p4d_page_vaddr(p4d) (pud_page_vaddr((pud_t){ p4d })) +#define p4d_pgtable(p4d) ((pud_t *)(pud_pgtable((pud_t){ p4d }))) /* * allocating and freeing a pud is trivial: the 1-entry pud is diff --git a/include/asm-generic/preempt.h b/include/asm-generic/preempt.h index d683f5e6d791..b4d43a4af5f7 100644 --- a/include/asm-generic/preempt.h +++ b/include/asm-generic/preempt.h @@ -29,7 +29,7 @@ static __always_inline void preempt_count_set(int pc) } while (0) #define init_idle_preempt_count(p, cpu) do { \ - task_thread_info(p)->preempt_count = PREEMPT_ENABLED; \ + task_thread_info(p)->preempt_count = PREEMPT_DISABLED; \ } while (0) static __always_inline void set_preempt_need_resched(void) diff --git a/include/asm-generic/topology.h b/include/asm-generic/topology.h index 5aa8705df87e..4dbe715be65b 100644 --- a/include/asm-generic/topology.h +++ b/include/asm-generic/topology.h @@ -45,7 +45,7 @@ #endif #ifndef cpumask_of_node - #ifdef CONFIG_NEED_MULTIPLE_NODES + #ifdef CONFIG_NUMA #define cpumask_of_node(node) ((node) == 0 ? cpu_online_mask : cpu_none_mask) #else #define cpumask_of_node(node) ((void)(node), cpu_online_mask) diff --git a/include/asm-generic/uaccess.h b/include/asm-generic/uaccess.h index 4973328f3c6e..a0b2f270dddc 100644 --- a/include/asm-generic/uaccess.h +++ b/include/asm-generic/uaccess.h @@ -19,7 +19,7 @@ __get_user_fn(size_t size, const void __user *from, void *to) switch (size) { case 1: - *(u8 *)to = get_unaligned((u8 __force *)from); + *(u8 *)to = *((u8 __force *)from); return 0; case 2: *(u16 *)to = get_unaligned((u16 __force *)from); @@ -45,7 +45,7 @@ __put_user_fn(size_t size, void __user *to, void *from) switch (size) { case 1: - put_unaligned(*(u8 *)from, (u8 __force *)to); + *(u8 __force *)to = *(u8 *)from; return 0; case 2: put_unaligned(*(u16 *)from, (u16 __force *)to); diff --git a/include/asm-generic/unaligned.h b/include/asm-generic/unaligned.h index 374c940e9be1..1c4242416c9f 100644 --- a/include/asm-generic/unaligned.h +++ b/include/asm-generic/unaligned.h @@ -6,31 +6,124 @@ * This is the most generic implementation of unaligned accesses * and should work almost anywhere. */ +#include <linux/unaligned/packed_struct.h> #include <asm/byteorder.h> -/* Set by the arch if it can handle unaligned accesses in hardware. */ -#ifdef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS -# include <linux/unaligned/access_ok.h> -#endif - -#if defined(__LITTLE_ENDIAN) -# ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS -# include <linux/unaligned/le_struct.h> -# include <linux/unaligned/be_byteshift.h> -# endif -# include <linux/unaligned/generic.h> -# define get_unaligned __get_unaligned_le -# define put_unaligned __put_unaligned_le -#elif defined(__BIG_ENDIAN) -# ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS -# include <linux/unaligned/be_struct.h> -# include <linux/unaligned/le_byteshift.h> -# endif -# include <linux/unaligned/generic.h> -# define get_unaligned __get_unaligned_be -# define put_unaligned __put_unaligned_be -#else -# error need to define endianess -#endif +#define __get_unaligned_t(type, ptr) ({ \ + const struct { type x; } __packed *__pptr = (typeof(__pptr))(ptr); \ + __pptr->x; \ +}) + +#define __put_unaligned_t(type, val, ptr) do { \ + struct { type x; } __packed *__pptr = (typeof(__pptr))(ptr); \ + __pptr->x = (val); \ +} while (0) + +#define get_unaligned(ptr) __get_unaligned_t(typeof(*(ptr)), (ptr)) +#define put_unaligned(val, ptr) __put_unaligned_t(typeof(*(ptr)), (val), (ptr)) + +static inline u16 get_unaligned_le16(const void *p) +{ + return le16_to_cpu(__get_unaligned_t(__le16, p)); +} + +static inline u32 get_unaligned_le32(const void *p) +{ + return le32_to_cpu(__get_unaligned_t(__le32, p)); +} + +static inline u64 get_unaligned_le64(const void *p) +{ + return le64_to_cpu(__get_unaligned_t(__le64, p)); +} + +static inline void put_unaligned_le16(u16 val, void *p) +{ + __put_unaligned_t(__le16, cpu_to_le16(val), p); +} + +static inline void put_unaligned_le32(u32 val, void *p) +{ + __put_unaligned_t(__le32, cpu_to_le32(val), p); +} + +static inline void put_unaligned_le64(u64 val, void *p) +{ + __put_unaligned_t(__le64, cpu_to_le64(val), p); +} + +static inline u16 get_unaligned_be16(const void *p) +{ + return be16_to_cpu(__get_unaligned_t(__be16, p)); +} + +static inline u32 get_unaligned_be32(const void *p) +{ + return be32_to_cpu(__get_unaligned_t(__be32, p)); +} + +static inline u64 get_unaligned_be64(const void *p) +{ + return be64_to_cpu(__get_unaligned_t(__be64, p)); +} + +static inline void put_unaligned_be16(u16 val, void *p) +{ + __put_unaligned_t(__be16, cpu_to_be16(val), p); +} + +static inline void put_unaligned_be32(u32 val, void *p) +{ + __put_unaligned_t(__be32, cpu_to_be32(val), p); +} + +static inline void put_unaligned_be64(u64 val, void *p) +{ + __put_unaligned_t(__be64, cpu_to_be64(val), p); +} + +static inline u32 __get_unaligned_be24(const u8 *p) +{ + return p[0] << 16 | p[1] << 8 | p[2]; +} + +static inline u32 get_unaligned_be24(const void *p) +{ + return __get_unaligned_be24(p); +} + +static inline u32 __get_unaligned_le24(const u8 *p) +{ + return p[0] | p[1] << 8 | p[2] << 16; +} + +static inline u32 get_unaligned_le24(const void *p) +{ + return __get_unaligned_le24(p); +} + +static inline void __put_unaligned_be24(const u32 val, u8 *p) +{ + *p++ = val >> 16; + *p++ = val >> 8; + *p++ = val; +} + +static inline void put_unaligned_be24(const u32 val, void *p) +{ + __put_unaligned_be24(val, p); +} + +static inline void __put_unaligned_le24(const u32 val, u8 *p) +{ + *p++ = val; + *p++ = val >> 8; + *p++ = val >> 16; +} + +static inline void put_unaligned_le24(const u32 val, void *p) +{ + __put_unaligned_le24(val, p); +} #endif /* __ASM_GENERIC_UNALIGNED_H */ diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index 40a9c101565e..62669b36a772 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -586,6 +586,7 @@ NOINSTR_TEXT \ *(.text..refcount) \ *(.ref.text) \ + *(.text.asan.* .text.tsan.*) \ TEXT_CFI_JT \ MEM_KEEP(init.text*) \ MEM_KEEP(exit.text*) \ @@ -960,6 +961,7 @@ #ifdef CONFIG_AMD_MEM_ENCRYPT #define PERCPU_DECRYPTED_SECTION \ . = ALIGN(PAGE_SIZE); \ + *(.data..decrypted) \ *(.data..percpu..decrypted) \ . = ALIGN(PAGE_SIZE); #else |