On Wed, Sep 06, 2017 at 02:37:02PM -0700, Andy Lutomirski wrote: > Signed-off-by: Andy Lutomirski <[email protected]> > --- > arch/x86/include/asm/processor.h | 17 +++++++++++++++++ > arch/x86/include/asm/thread_info.h | 11 ----------- > arch/x86/kernel/traps.c | 3 +-- > 3 files changed, 18 insertions(+), 13 deletions(-) > > diff --git a/arch/x86/include/asm/processor.h > b/arch/x86/include/asm/processor.h > index 4c137472f530..b6f8dc11c222 100644 > --- a/arch/x86/include/asm/processor.h > +++ b/arch/x86/include/asm/processor.h > @@ -534,6 +534,23 @@ static inline unsigned long current_top_of_stack(void) > #endif > } > > +static inline unsigned long current_stack_pointer(void) > +{ > + unsigned long sp; > +#ifdef CONFIG_X86_64 > + asm("mov %%rsp,%0" : "=g" (sp)); > +#else > + asm("mov %%esp,%0" : "=g" (sp)); > +#endif > + return sp; > +}
I know you're just moving the function, but this function could also be cleaned up by using _ASM_SP and getting rid of the ifdef. -- Josh
