lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

x86, 64-bit: ifdef out struct thread_struct::ip

Browse Source 
struct thread_struct::ip isn't used on x86_64, struct pt_regs::ip is used
instead.

kgdb should be reading 0 always, but I can't check it.

[ Impact: (potentially) reduce thread_struct size on 64-bit ]

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: containers@lists.linux-foundation.org
LKML-Reference: <20090503233015.GJ16631@x200.localdomain>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Alexey Dobriyan
2009-05-04 03:30:15 +04:00
committed by Ingo Molnar
parent d756f4adb9
commit 0c23590f00
2 changed files with 3 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
arch/x86/include/asm/processor.h
View File

@ -427,7 +427,9 @@ struct thread_struct {
unsigned short fsindex;
unsigned short gsindex;
#endif
#ifdef CONFIG_X86_32
unsigned long ip;
#endif
#ifdef CONFIG_X86_64
unsigned long fs;
#endif