On Mon, 23 Mar 2015 18:38:09 +0100
Denys Vlasenko <[email protected]> wrote:
> > Can we do a:
> >
> > #define cpu_current_top_of_stack (cpu_tss + TSS_sp0)
>
> We already do something similar:
>
> static inline unsigned long current_top_of_stack(void)
> {
> #ifdef CONFIG_X86_64
> return this_cpu_read_stable(cpu_tss.x86_tss.sp0);
> #else
> /* sp0 on x86_32 is special in and around vm86 mode. */
> return this_cpu_read_stable(cpu_current_top_of_stack);
> #endif
> }
So can we then have:
#ifdef __ASSEMBLY__
# define cpu_current_top_of_stack (cpu_tss + TSS_sp0)
#else
# define cpu_current_top_of_stack (cpu_tss.x86_tss.sp0)
#endif
And get rid of that if statement in the static inline?
-- Steve
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