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-rw-r--r--arch/arm/include/asm/assembler.h9
-rw-r--r--arch/arm/include/asm/domain.h8
-rw-r--r--arch/arm/include/asm/futex.h8
-rw-r--r--arch/arm/include/asm/hardware/pl330.h2
-rw-r--r--arch/arm/include/asm/processor.h1
-rw-r--r--arch/arm/include/asm/smp.h6
-rw-r--r--arch/arm/include/asm/smp_plat.h6
-rw-r--r--arch/arm/include/asm/tlb.h10
-rw-r--r--arch/arm/include/asm/uaccess.h16
9 files changed, 40 insertions, 26 deletions
diff --git a/arch/arm/include/asm/assembler.h b/arch/arm/include/asm/assembler.h
index b6e65dedfd71..23371b17b23e 100644
--- a/arch/arm/include/asm/assembler.h
+++ b/arch/arm/include/asm/assembler.h
@@ -137,6 +137,11 @@
disable_irq
.endm
+ .macro save_and_disable_irqs_notrace, oldcpsr
+ mrs \oldcpsr, cpsr
+ disable_irq_notrace
+ .endm
+
/*
* Restore interrupt state previously stored in a register. We don't
* guarantee that this will preserve the flags.
@@ -237,7 +242,7 @@
*/
#ifdef CONFIG_THUMB2_KERNEL
- .macro usraccoff, instr, reg, ptr, inc, off, cond, abort, t=T()
+ .macro usraccoff, instr, reg, ptr, inc, off, cond, abort, t=TUSER()
9999:
.if \inc == 1
\instr\cond\()b\()\t\().w \reg, [\ptr, #\off]
@@ -277,7 +282,7 @@
#else /* !CONFIG_THUMB2_KERNEL */
- .macro usracc, instr, reg, ptr, inc, cond, rept, abort, t=T()
+ .macro usracc, instr, reg, ptr, inc, cond, rept, abort, t=TUSER()
.rept \rept
9999:
.if \inc == 1
diff --git a/arch/arm/include/asm/domain.h b/arch/arm/include/asm/domain.h
index af18ceaacf5d..b5dc173d336f 100644
--- a/arch/arm/include/asm/domain.h
+++ b/arch/arm/include/asm/domain.h
@@ -83,9 +83,9 @@
* instructions (inline assembly)
*/
#ifdef CONFIG_CPU_USE_DOMAINS
-#define T(instr) #instr "t"
+#define TUSER(instr) #instr "t"
#else
-#define T(instr) #instr
+#define TUSER(instr) #instr
#endif
#else /* __ASSEMBLY__ */
@@ -95,9 +95,9 @@
* instructions
*/
#ifdef CONFIG_CPU_USE_DOMAINS
-#define T(instr) instr ## t
+#define TUSER(instr) instr ## t
#else
-#define T(instr) instr
+#define TUSER(instr) instr
#endif
#endif /* __ASSEMBLY__ */
diff --git a/arch/arm/include/asm/futex.h b/arch/arm/include/asm/futex.h
index 253cc86318bf..7be54690aeec 100644
--- a/arch/arm/include/asm/futex.h
+++ b/arch/arm/include/asm/futex.h
@@ -75,9 +75,9 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
#define __futex_atomic_op(insn, ret, oldval, tmp, uaddr, oparg) \
__asm__ __volatile__( \
- "1: " T(ldr) " %1, [%3]\n" \
+ "1: " TUSER(ldr) " %1, [%3]\n" \
" " insn "\n" \
- "2: " T(str) " %0, [%3]\n" \
+ "2: " TUSER(str) " %0, [%3]\n" \
" mov %0, #0\n" \
__futex_atomic_ex_table("%5") \
: "=&r" (ret), "=&r" (oldval), "=&r" (tmp) \
@@ -95,10 +95,10 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
return -EFAULT;
__asm__ __volatile__("@futex_atomic_cmpxchg_inatomic\n"
- "1: " T(ldr) " %1, [%4]\n"
+ "1: " TUSER(ldr) " %1, [%4]\n"
" teq %1, %2\n"
" it eq @ explicit IT needed for the 2b label\n"
- "2: " T(streq) " %3, [%4]\n"
+ "2: " TUSER(streq) " %3, [%4]\n"
__futex_atomic_ex_table("%5")
: "+r" (ret), "=&r" (val)
: "r" (oldval), "r" (newval), "r" (uaddr), "Ir" (-EFAULT)
diff --git a/arch/arm/include/asm/hardware/pl330.h b/arch/arm/include/asm/hardware/pl330.h
index 575fa8186ca0..c1821385abfa 100644
--- a/arch/arm/include/asm/hardware/pl330.h
+++ b/arch/arm/include/asm/hardware/pl330.h
@@ -41,7 +41,7 @@ enum pl330_dstcachectrl {
DCCTRL1, /* Bufferable only */
DCCTRL2, /* Cacheable, but do not allocate */
DCCTRL3, /* Cacheable and bufferable, but do not allocate */
- DINVALID1 = 8,
+ DINVALID1, /* AWCACHE = 0x1000 */
DINVALID2,
DCCTRL6, /* Cacheable write-through, allocate on writes only */
DCCTRL7, /* Cacheable write-back, allocate on writes only */
diff --git a/arch/arm/include/asm/processor.h b/arch/arm/include/asm/processor.h
index ce280b8d613c..cb8d638924fd 100644
--- a/arch/arm/include/asm/processor.h
+++ b/arch/arm/include/asm/processor.h
@@ -22,6 +22,7 @@
#include <asm/hw_breakpoint.h>
#include <asm/ptrace.h>
#include <asm/types.h>
+#include <asm/system.h>
#ifdef __KERNEL__
#define STACK_TOP ((current->personality & ADDR_LIMIT_32BIT) ? \
diff --git a/arch/arm/include/asm/smp.h b/arch/arm/include/asm/smp.h
index 1e5717afc4ac..ae29293270a3 100644
--- a/arch/arm/include/asm/smp.h
+++ b/arch/arm/include/asm/smp.h
@@ -71,12 +71,6 @@ extern void platform_secondary_init(unsigned int cpu);
extern void platform_smp_prepare_cpus(unsigned int);
/*
- * Logical CPU mapping.
- */
-extern int __cpu_logical_map[NR_CPUS];
-#define cpu_logical_map(cpu) __cpu_logical_map[cpu]
-
-/*
* Initial data for bringing up a secondary CPU.
*/
struct secondary_data {
diff --git a/arch/arm/include/asm/smp_plat.h b/arch/arm/include/asm/smp_plat.h
index f24c1b9e211d..558d6c80aca9 100644
--- a/arch/arm/include/asm/smp_plat.h
+++ b/arch/arm/include/asm/smp_plat.h
@@ -43,4 +43,10 @@ static inline int cache_ops_need_broadcast(void)
}
#endif
+/*
+ * Logical CPU mapping.
+ */
+extern int __cpu_logical_map[];
+#define cpu_logical_map(cpu) __cpu_logical_map[cpu]
+
#endif
diff --git a/arch/arm/include/asm/tlb.h b/arch/arm/include/asm/tlb.h
index 5d3ed7e38561..314d4664eae7 100644
--- a/arch/arm/include/asm/tlb.h
+++ b/arch/arm/include/asm/tlb.h
@@ -198,7 +198,15 @@ static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte,
unsigned long addr)
{
pgtable_page_dtor(pte);
- tlb_add_flush(tlb, addr);
+
+ /*
+ * With the classic ARM MMU, a pte page has two corresponding pmd
+ * entries, each covering 1MB.
+ */
+ addr &= PMD_MASK;
+ tlb_add_flush(tlb, addr + SZ_1M - PAGE_SIZE);
+ tlb_add_flush(tlb, addr + SZ_1M);
+
tlb_remove_page(tlb, pte);
}
diff --git a/arch/arm/include/asm/uaccess.h b/arch/arm/include/asm/uaccess.h
index b293616a1a1a..2958976d867b 100644
--- a/arch/arm/include/asm/uaccess.h
+++ b/arch/arm/include/asm/uaccess.h
@@ -227,7 +227,7 @@ do { \
#define __get_user_asm_byte(x,addr,err) \
__asm__ __volatile__( \
- "1: " T(ldrb) " %1,[%2],#0\n" \
+ "1: " TUSER(ldrb) " %1,[%2],#0\n" \
"2:\n" \
" .pushsection .fixup,\"ax\"\n" \
" .align 2\n" \
@@ -263,7 +263,7 @@ do { \
#define __get_user_asm_word(x,addr,err) \
__asm__ __volatile__( \
- "1: " T(ldr) " %1,[%2],#0\n" \
+ "1: " TUSER(ldr) " %1,[%2],#0\n" \
"2:\n" \
" .pushsection .fixup,\"ax\"\n" \
" .align 2\n" \
@@ -308,7 +308,7 @@ do { \
#define __put_user_asm_byte(x,__pu_addr,err) \
__asm__ __volatile__( \
- "1: " T(strb) " %1,[%2],#0\n" \
+ "1: " TUSER(strb) " %1,[%2],#0\n" \
"2:\n" \
" .pushsection .fixup,\"ax\"\n" \
" .align 2\n" \
@@ -341,7 +341,7 @@ do { \
#define __put_user_asm_word(x,__pu_addr,err) \
__asm__ __volatile__( \
- "1: " T(str) " %1,[%2],#0\n" \
+ "1: " TUSER(str) " %1,[%2],#0\n" \
"2:\n" \
" .pushsection .fixup,\"ax\"\n" \
" .align 2\n" \
@@ -366,10 +366,10 @@ do { \
#define __put_user_asm_dword(x,__pu_addr,err) \
__asm__ __volatile__( \
- ARM( "1: " T(str) " " __reg_oper1 ", [%1], #4\n" ) \
- ARM( "2: " T(str) " " __reg_oper0 ", [%1]\n" ) \
- THUMB( "1: " T(str) " " __reg_oper1 ", [%1]\n" ) \
- THUMB( "2: " T(str) " " __reg_oper0 ", [%1, #4]\n" ) \
+ ARM( "1: " TUSER(str) " " __reg_oper1 ", [%1], #4\n" ) \
+ ARM( "2: " TUSER(str) " " __reg_oper0 ", [%1]\n" ) \
+ THUMB( "1: " TUSER(str) " " __reg_oper1 ", [%1]\n" ) \
+ THUMB( "2: " TUSER(str) " " __reg_oper0 ", [%1, #4]\n" ) \
"3:\n" \
" .pushsection .fixup,\"ax\"\n" \
" .align 2\n" \
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