diff options
Diffstat (limited to 'arch/arm/kernel')
| -rw-r--r-- | arch/arm/kernel/elf.c | 4 | ||||
| -rw-r--r-- | arch/arm/kernel/machine_kexec.c | 4 | ||||
| -rw-r--r-- | arch/arm/kernel/setup.c | 13 |
3 files changed, 11 insertions, 10 deletions
diff --git a/arch/arm/kernel/elf.c b/arch/arm/kernel/elf.c index 84849098c8e8..d4a0da1e48f4 100644 --- a/arch/arm/kernel/elf.c +++ b/arch/arm/kernel/elf.c @@ -74,9 +74,9 @@ EXPORT_SYMBOL(elf_set_personality); */ int arm_elf_read_implies_exec(const struct elf32_hdr *x, int executable_stack) { - if (executable_stack != EXSTACK_ENABLE_X) + if (executable_stack != EXSTACK_DISABLE_X) return 1; - if (cpu_architecture() <= CPU_ARCH_ARMv6) + if (cpu_architecture() < CPU_ARCH_ARMv6) return 1; return 0; } diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c index 440dc62cdc3a..598ca61e7bca 100644 --- a/arch/arm/kernel/machine_kexec.c +++ b/arch/arm/kernel/machine_kexec.c @@ -13,8 +13,8 @@ #include <asm/cacheflush.h> #include <asm/mach-types.h> -const extern unsigned char relocate_new_kernel[]; -const extern unsigned int relocate_new_kernel_size; +extern const unsigned char relocate_new_kernel[]; +extern const unsigned int relocate_new_kernel_size; extern void setup_mm_for_reboot(char mode); diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index 8d21427bb679..bc5e4128f9f3 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -234,12 +234,13 @@ static void __init cacheid_init(void) unsigned int cachetype = read_cpuid_cachetype(); unsigned int arch = cpu_architecture(); - if (arch >= CPU_ARCH_ARMv7) { - cacheid = CACHEID_VIPT_NONALIASING; - if ((cachetype & (3 << 14)) == 1 << 14) - cacheid |= CACHEID_ASID_TAGGED; - } else if (arch >= CPU_ARCH_ARMv6) { - if (cachetype & (1 << 23)) + if (arch >= CPU_ARCH_ARMv6) { + if ((cachetype & (7 << 29)) == 4 << 29) { + /* ARMv7 register format */ + cacheid = CACHEID_VIPT_NONALIASING; + if ((cachetype & (3 << 14)) == 1 << 14) + cacheid |= CACHEID_ASID_TAGGED; + } else if (cachetype & (1 << 23)) cacheid = CACHEID_VIPT_ALIASING; else cacheid = CACHEID_VIPT_NONALIASING; |