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x86: signal: cosmetic unification of handle_signal()

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Make handle_signal() same.

Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Hiroshi Shimamoto 2008-09-23 17:22:32 -07:00 committed by Ingo Molnar
parent ee847c54ba
commit 86d3237cd1
2 changed files with 11 additions and 0 deletions
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9
arch/x86/kernel/signal_32.c
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@ -550,6 +550,15 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka,
if (ret) if (ret)
return ret; return ret;
#ifdef CONFIG_X86_64
/*
* This has nothing to do with segment registers,
* despite the name. This magic affects uaccess.h
* macros' behavior. Reset it to the normal setting.
*/
set_fs(USER_DS);
#endif
/* /*
* Clear the direction flag as per the ABI for function entry. * Clear the direction flag as per the ABI for function entry.
*/ */

2
arch/x86/kernel/signal_64.c
View File

@ -346,12 +346,14 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka,
if (ret) if (ret)
return ret; return ret;
#ifdef CONFIG_X86_64
/* /*
* This has nothing to do with segment registers, * This has nothing to do with segment registers,
* despite the name. This magic affects uaccess.h * despite the name. This magic affects uaccess.h
* macros' behavior. Reset it to the normal setting. * macros' behavior. Reset it to the normal setting.
*/ */
set_fs(USER_DS); set_fs(USER_DS);
#endif
/* /*
* Clear the direction flag as per the ABI for function entry. * Clear the direction flag as per the ABI for function entry.