Messages in this thread | | | Date | Thu, 31 Jul 2014 09:04:25 -0700 | From | Behan Webster <> | Subject | Re: [PATCH 3/4] arm64: LLVMLinux: Calculate current_thread_info from current_stack_pointer |
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On 07/30/14 22:31, Andreas Färber wrote: > Hi, > > Am 31.07.2014 01:57, schrieb behanw@converseincode.com: >> From: Behan Webster <behanw@converseincode.com> >> >> Use the global current_stack_pointer to get the value of the stack pointer. >> This change supports being able to compile the kernel with both gcc and clang. >> >> Signed-off-by: Behan Webster <behanw@converseincode.com> >> Signed-off-by: Mark Charlebois <charlebm@gmail.com> >> Reviewed-by: Jan-Simon M??ller <dl9pf@gmx.de> > Something went wrong with ö encoding here and in 2/4. Yeah. That keeps happening. :(
Thanks.
>> --- >> arch/arm64/include/asm/thread_info.h | 4 ++-- >> 1 file changed, 2 insertions(+), 2 deletions(-) >> >> diff --git a/arch/arm64/include/asm/thread_info.h b/arch/arm64/include/asm/thread_info.h >> index e6b6094..c2432d2 100644 >> --- a/arch/arm64/include/asm/thread_info.h >> +++ b/arch/arm64/include/asm/thread_info.h >> @@ -80,8 +80,8 @@ static inline struct thread_info *current_thread_info(void) __attribute_const__; >> >> static inline struct thread_info *current_thread_info(void) >> { >> - register unsigned long sp asm ("sp"); >> - return (struct thread_info *)(sp & ~(THREAD_SIZE - 1)); >> + return (struct thread_info *) \ > This is not a macro, so \ seems superfluous. Doh. Indeed. Will fix.
Behan
-- Behan Webster behanw@converseincode.com
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