On Wed, 10 Aug 2005 [email protected] wrote:
> Add an accessor function for getting the per-CPU gdt. Callee must already
> have the CPU.
This one seems superfluous to me, does accessing it indirectly generate
better code too?
> Patch-base: 2.6.13-rc5-mm1
> Patch-keys: i386 desc xen
> Signed-off-by: Zachary Amsden <[email protected]>
> Index: linux-2.6.13/include/asm-i386/desc.h
> ===================================================================
> --- linux-2.6.13.orig/include/asm-i386/desc.h 2005-08-09 20:17:21.000000000 -0700
> +++ linux-2.6.13/include/asm-i386/desc.h 2005-08-10 20:41:03.000000000 -0700
> @@ -39,6 +39,8 @@
> extern struct desc_struct cpu_gdt_table[GDT_ENTRIES];
> DECLARE_PER_CPU(struct desc_struct, cpu_gdt_table[GDT_ENTRIES]);
>
> +#define get_cpu_gdt_table(_cpu) (per_cpu(cpu_gdt_table, _cpu))
> +
> DECLARE_PER_CPU(unsigned char, cpu_16bit_stack[CPU_16BIT_STACK_SIZE]);
-
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