arch/x86/include/asm/context_tracking.h at v3.8

tjh.dev / kernel

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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

kernel os linux

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kernel / arch / x86 / include / asm / context_tracking.h

at v3.8 31 lines 553 B view raw

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 1#ifndef _ASM_X86_CONTEXT_TRACKING_H
 2#define _ASM_X86_CONTEXT_TRACKING_H
 3
 4#ifndef __ASSEMBLY__
 5#include <linux/context_tracking.h>
 6#include <asm/ptrace.h>
 7
 8static inline void exception_enter(struct pt_regs *regs)
 9{
10	user_exit();
11}
12
13static inline void exception_exit(struct pt_regs *regs)
14{
15#ifdef CONFIG_CONTEXT_TRACKING
16	if (user_mode(regs))
17		user_enter();
18#endif
19}
20
21#else /* __ASSEMBLY__ */
22
23#ifdef CONFIG_CONTEXT_TRACKING
24# define SCHEDULE_USER call schedule_user
25#else
26# define SCHEDULE_USER call schedule
27#endif
28
29#endif /* !__ASSEMBLY__ */
30
31#endif