diff options
Diffstat (limited to 'arch/arm/kernel')
-rw-r--r-- | arch/arm/kernel/debug.S | 20 | ||||
-rw-r--r-- | arch/arm/kernel/elf.c | 9 | ||||
-rw-r--r-- | arch/arm/kernel/entry-armv.S | 4 | ||||
-rw-r--r-- | arch/arm/kernel/process.c | 3 | ||||
-rw-r--r-- | arch/arm/kernel/setup.c | 1 |
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 @@ | |||
49 | 1002: | 49 | 1002: |
50 | .endm | 50 | .endm |
51 | 51 | ||
52 | #elif defined(CONFIG_CPU_V7) | ||
53 | |||
54 | .macro addruart, rx | ||
55 | .endm | ||
56 | |||
57 | .macro senduart, rd, rx | ||
58 | mcr p14, 0, \rd, c0, c5, 0 | ||
59 | .endm | ||
60 | |||
61 | .macro busyuart, rd, rx | ||
62 | busy: mrc p14, 0, pc, c0, c1, 0 | ||
63 | bcs busy | ||
64 | .endm | ||
65 | |||
66 | .macro waituart, rd, rx | ||
67 | wait: mrc p14, 0, pc, c0, c1, 0 | ||
68 | bcs wait | ||
69 | |||
70 | .endm | ||
71 | |||
52 | #elif defined(CONFIG_CPU_XSCALE) | 72 | #elif defined(CONFIG_CPU_XSCALE) |
53 | 73 | ||
54 | .macro addruart, rx | 74 | .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) | |||
78 | return 1; | 78 | return 1; |
79 | if (cpu_architecture() < CPU_ARCH_ARMv6) | 79 | if (cpu_architecture() < CPU_ARCH_ARMv6) |
80 | return 1; | 80 | return 1; |
81 | #if !defined(CONFIG_AEABI) || defined(CONFIG_OABI_COMPAT) | ||
82 | /* | ||
83 | * If we have support for OABI programs, we can never allow NX | ||
84 | * support - our signal syscall restart mechanism relies upon | ||
85 | * being able to execute code placed on the user stack. | ||
86 | */ | ||
87 | return 1; | ||
88 | #else | ||
89 | return 0; | 81 | return 0; |
90 | #endif | ||
91 | } | 82 | } |
92 | EXPORT_SYMBOL(arm_elf_read_implies_exec); | 83 | 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: | |||
957 | 957 | ||
958 | #else | 958 | #else |
959 | 959 | ||
960 | #ifdef CONFIG_SMP | 960 | smp_dmb |
961 | mcr p15, 0, r0, c7, c10, 5 @ dmb | ||
962 | #endif | ||
963 | 1: ldrex r3, [r2] | 961 | 1: ldrex r3, [r2] |
964 | subs r3, r3, r0 | 962 | subs r3, r3, r0 |
965 | strexeq r3, r1, [r2] | 963 | 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) | |||
212 | char buf[64]; | 212 | char buf[64]; |
213 | 213 | ||
214 | printk("CPU: %d %s (%s %.*s)\n", | 214 | printk("CPU: %d %s (%s %.*s)\n", |
215 | smp_processor_id(), print_tainted(), init_utsname()->release, | 215 | raw_smp_processor_id(), print_tainted(), |
216 | init_utsname()->release, | ||
216 | (int)strcspn(init_utsname()->version, " "), | 217 | (int)strcspn(init_utsname()->version, " "), |
217 | init_utsname()->version); | 218 | init_utsname()->version); |
218 | print_symbol("PC is at %s\n", instruction_pointer(regs)); | 219 | 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; | |||
102 | #endif | 102 | #endif |
103 | #ifdef CONFIG_OUTER_CACHE | 103 | #ifdef CONFIG_OUTER_CACHE |
104 | struct outer_cache_fns outer_cache; | 104 | struct outer_cache_fns outer_cache; |
105 | EXPORT_SYMBOL(outer_cache); | ||
105 | #endif | 106 | #endif |
106 | 107 | ||
107 | struct stack { | 108 | struct stack { |