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| author | Brian Gerst <brgerst@gmail.com> | 2009-02-08 09:58:39 -0500 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-02-09 10:30:30 +0100 |
| commit | 2add8e235cbe0dcd672c33fc322754e15500238c (patch) | |
| tree | 3cf9abe886432ac82fc08e99241ec7254dc20193 /arch/x86/include/asm/processor.h | |
| parent | d3770449d3cb058b94ca1d050d5ced4a66c75ce4 (diff) | |
| download | lwn-2add8e235cbe0dcd672c33fc322754e15500238c.tar.gz lwn-2add8e235cbe0dcd672c33fc322754e15500238c.zip | |
x86: use linker to offset symbols by __per_cpu_load
Impact: cleanup and bug fix
Use the linker to create symbols for certain per-cpu variables
that are offset by __per_cpu_load. This allows the removal of
the runtime fixup of the GDT pointer, which fixes a bug with
resume reported by Jiri Slaby.
Reported-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Brian Gerst <brgerst@gmail.com>
Acked-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/include/asm/processor.h')
| -rw-r--r-- | arch/x86/include/asm/processor.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index 656d02ea509b..373d3f628d24 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -393,6 +393,8 @@ union irq_stack_union { }; DECLARE_PER_CPU(union irq_stack_union, irq_stack_union); +DECLARE_INIT_PER_CPU(irq_stack_union); + DECLARE_PER_CPU(char *, irq_stack_ptr); #endif |