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[PATCH] x86_64: Implement is_compat_task the right way

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By setting a flag during a 32bit system call only

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Andi Kleen
2006-01-11 22:44:06 +01:00
committed by Linus Torvalds
parent 2966387b48
commit bf2fcc6fdf
6 changed files with 16 additions and 1 deletions
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4
drivers/input/evdev.c
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@@ -154,8 +154,10 @@ struct input_event_compat {
__s32 value;
};
/* Note to the author of this code: did it ever occur to
you why the ifdefs are needed? Think about it again. -AK */
#ifdef CONFIG_X86_64
# define COMPAT_TEST test_thread_flag(TIF_IA32)
# define COMPAT_TEST is_compat_task()
#elif defined(CONFIG_IA64)
# define COMPAT_TEST IS_IA32_PROCESS(ia64_task_regs(current))
#elif defined(CONFIG_S390)