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authorIngo Molnar <mingo@elte.hu>2010-02-26 09:18:32 +0100
committerIngo Molnar <mingo@elte.hu>2010-02-26 09:18:32 +0100
commit64b9fb5704a479d98a59f2a1d45d3331a8f847f8 (patch)
tree2b1052b05fa7615c817894bc9802bc5bb2af7ac1 /arch/arm/kernel
parent83f0d53993b2967e54186468b0fc4321447f68f1 (diff)
parent60b341b778cc2929df16c0a504c91621b3c6a4ad (diff)
Merge commit 'v2.6.33' into tracing/core
Conflicts: scripts/recordmcount.pl Merge reason: Merge up to v2.6.33. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/arm/kernel')
-rw-r--r--arch/arm/kernel/debug.S20
-rw-r--r--arch/arm/kernel/elf.c9
-rw-r--r--arch/arm/kernel/entry-armv.S4
-rw-r--r--arch/arm/kernel/process.c3
-rw-r--r--arch/arm/kernel/setup.c1
5 files changed, 24 insertions, 13 deletions
diff --git a/arch/arm/kernel/debug.S b/arch/arm/kernel/debug.S
index b121b6053cce..5c91addcaebc 100644
--- a/arch/arm/kernel/debug.S
+++ b/arch/arm/kernel/debug.S
@@ -49,6 +49,26 @@
1002:
.endm
+#elif defined(CONFIG_CPU_V7)
+
+ .macro addruart, rx
+ .endm
+
+ .macro senduart, rd, rx
+ mcr p14, 0, \rd, c0, c5, 0
+ .endm
+
+ .macro busyuart, rd, rx
+busy: mrc p14, 0, pc, c0, c1, 0
+ bcs busy
+ .endm
+
+ .macro waituart, rd, rx
+wait: mrc p14, 0, pc, c0, c1, 0
+ bcs wait
+
+ .endm
+
#elif defined(CONFIG_CPU_XSCALE)
.macro addruart, rx
diff --git a/arch/arm/kernel/elf.c b/arch/arm/kernel/elf.c
index 950391f194c4..d4a0da1e48f4 100644
--- a/arch/arm/kernel/elf.c
+++ b/arch/arm/kernel/elf.c
@@ -78,15 +78,6 @@ int arm_elf_read_implies_exec(const struct elf32_hdr *x, int executable_stack)
return 1;
if (cpu_architecture() < CPU_ARCH_ARMv6)
return 1;
-#if !defined(CONFIG_AEABI) || defined(CONFIG_OABI_COMPAT)
- /*
- * If we have support for OABI programs, we can never allow NX
- * support - our signal syscall restart mechanism relies upon
- * being able to execute code placed on the user stack.
- */
- return 1;
-#else
return 0;
-#endif
}
EXPORT_SYMBOL(arm_elf_read_implies_exec);
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index d2903e3bc861..6c5cf369183b 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -957,9 +957,7 @@ kuser_cmpxchg_fixup:
#else
-#ifdef CONFIG_SMP
- mcr p15, 0, r0, c7, c10, 5 @ dmb
-#endif
+ smp_dmb
1: ldrex r3, [r2]
subs r3, r3, r0
strexeq r3, r1, [r2]
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index 67304138a2ca..ba2adefa53f7 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -212,7 +212,8 @@ void __show_regs(struct pt_regs *regs)
char buf[64];
printk("CPU: %d %s (%s %.*s)\n",
- smp_processor_id(), print_tainted(), init_utsname()->release,
+ raw_smp_processor_id(), print_tainted(),
+ init_utsname()->release,
(int)strcspn(init_utsname()->version, " "),
init_utsname()->version);
print_symbol("PC is at %s\n", instruction_pointer(regs));
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index c6c57b640b6b..621acad8ea43 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -102,6 +102,7 @@ struct cpu_cache_fns cpu_cache;
#endif
#ifdef CONFIG_OUTER_CACHE
struct outer_cache_fns outer_cache;
+EXPORT_SYMBOL(outer_cache);
#endif
struct stack {