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| author | Brian Gerst <brgerst@gmail.com> | 2009-01-27 12:56:48 +0900 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2009-01-27 12:56:48 +0900 |
| commit | 1688401a0fddba8991aa5c0943b8ae9583998d60 (patch) | |
| tree | 226ea8e760d37fc9812cc0f12855d43ba1b11427 /arch/x86/kernel/setup_percpu.c | |
| parent | 996db817e3d1529d711e55b938d72ae4060b39fd (diff) | |
| download | op-kernel-dev-1688401a0fddba8991aa5c0943b8ae9583998d60.zip op-kernel-dev-1688401a0fddba8991aa5c0943b8ae9583998d60.tar.gz | |
x86: move this_cpu_offset
Impact: Small cleanup
Define BOOT_PERCPU_OFFSET and use it for this_cpu_offset and
__per_cpu_offset initializers.
Signed-off-by: Brian Gerst <brgerst@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'arch/x86/kernel/setup_percpu.c')
| -rw-r--r-- | arch/x86/kernel/setup_percpu.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c index f30ff69..36c2e81 100644 --- a/arch/x86/kernel/setup_percpu.c +++ b/arch/x86/kernel/setup_percpu.c @@ -25,15 +25,20 @@ DEFINE_PER_CPU(int, cpu_number); EXPORT_PER_CPU_SYMBOL(cpu_number); +#ifdef CONFIG_X86_64 +#define BOOT_PERCPU_OFFSET ((unsigned long)__per_cpu_load) +#else +#define BOOT_PERCPU_OFFSET 0 +#endif + +DEFINE_PER_CPU(unsigned long, this_cpu_off) = BOOT_PERCPU_OFFSET; +EXPORT_PER_CPU_SYMBOL(this_cpu_off); + #ifdef CONFIG_HAVE_SETUP_PER_CPU_AREA -#ifdef CONFIG_X86_64 unsigned long __per_cpu_offset[NR_CPUS] __read_mostly = { - [0] = (unsigned long)__per_cpu_load, + [0] = BOOT_PERCPU_OFFSET, }; -#else -unsigned long __per_cpu_offset[NR_CPUS] __read_mostly; -#endif EXPORT_SYMBOL(__per_cpu_offset); /* |
