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| author | Brian Gerst <brgerst@gmail.com> | 2009-01-19 06:21:28 +0300 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2009-01-20 06:29:20 +0300 |
| commit | 947e76cdc34c782fc947313d4331380686eebbad (patch) | |
| tree | de5d424c4760269fd7800bc745e48b060c725300 /arch/x86/kernel/asm-offsets_64.c | |
| parent | 8c7e58e690ae60ab4215b025f433ed4af261e103 (diff) | |
| download | linux-947e76cdc34c782fc947313d4331380686eebbad.tar.xz | |
x86: move stack_canary into irq_stack
Impact: x86_64 percpu area layout change, irq_stack now at the beginning
Now that the PDA is empty except for the stack canary, it can be removed.
The irqstack is moved to the start of the per-cpu section. If the stack
protector is enabled, the canary overlaps the bottom 48 bytes of the irqstack.
tj: * updated subject
* dropped asm relocation of irq_stack_ptr
* updated comments a bit
* rebased on top of stack canary changes
Signed-off-by: Brian Gerst <brgerst@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'arch/x86/kernel/asm-offsets_64.c')
| -rw-r--r-- | arch/x86/kernel/asm-offsets_64.c | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/arch/x86/kernel/asm-offsets_64.c b/arch/x86/kernel/asm-offsets_64.c index 64c834a39aa8..94f9c8b39d20 100644 --- a/arch/x86/kernel/asm-offsets_64.c +++ b/arch/x86/kernel/asm-offsets_64.c @@ -48,10 +48,6 @@ int main(void) #endif BLANK(); #undef ENTRY -#define ENTRY(entry) DEFINE(pda_ ## entry, offsetof(struct x8664_pda, entry)) - DEFINE(pda_size, sizeof(struct x8664_pda)); - BLANK(); -#undef ENTRY #ifdef CONFIG_PARAVIRT BLANK(); OFFSET(PARAVIRT_enabled, pv_info, paravirt_enabled); |