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parasite/x86: introduce&use builtin_memset

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Don't use compiler-provided memset in parasite.

Fixes: commit 86434deba0b4 ("x86: dump TLS entries from GDT").

Cc: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Dmitry Safonov <dsafonov@virtuozzo.com>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
This commit is contained in:
Dmitry Safonov
2016-09-16 21:37:10 +03:00
committed by Andrei Vagin
parent 74c0a70223
commit ec58dcab74
1 changed files with 3 additions and 1 deletions
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4
criu/arch/x86/include/asm/parasite.h
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@@ -1,6 +1,8 @@
#ifndef __ASM_PARASITE_H__ #ifndef __ASM_PARASITE_H__
#define __ASM_PARASITE_H__ #define __ASM_PARASITE_H__
#include "asm-generic/string.h"
#ifdef CONFIG_X86_32 #ifdef CONFIG_X86_32
# define __parasite_entry __attribute__((regparm(3))) # define __parasite_entry __attribute__((regparm(3)))
#endif #endif
@@ -50,7 +52,7 @@ static void arch_get_tls(tls_t *ptls)
{ {
user_desc_t *d = &ptls->desc[i]; user_desc_t *d = &ptls->desc[i];
memset(d, 0, sizeof(user_desc_t)); builtin_memset(d, 0, sizeof(user_desc_t));
d->entry_number = GDT_ENTRY_TLS_MIN + i; d->entry_number = GDT_ENTRY_TLS_MIN + i;
arch_get_user_desc(d); arch_get_user_desc(d);
} }