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| author | Al Viro <viro@zeniv.linux.org.uk> | 2012-05-03 03:02:03 +0200 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-05-21 20:39:11 +0200 |
| commit | 6b5c8045ecc7e726cdaa2a9d9c8e5008050e1252 (patch) | |
| tree | 2bf168797818da579310adcd192765fcbe34ae87 /arch/arm/include/asm/thread_info.h | |
| parent | arm: if we get into work_pending while returning to kernel mode, just go away (diff) | |
| download | linux-6b5c8045ecc7e726cdaa2a9d9c8e5008050e1252.tar.xz linux-6b5c8045ecc7e726cdaa2a9d9c8e5008050e1252.zip | |
arm: new way of handling ERESTART_RESTARTBLOCK
new "syscall start" flag; handled in syscall_trace() by switching
syscall number to that of syscall_restart(2). Restarts of that
kind (ERESTART_RESTARTBLOCK) are handled by setting that bit;
syscall number is not modified until the actual call.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/arm/include/asm/thread_info.h')
| -rw-r--r-- | arch/arm/include/asm/thread_info.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/arm/include/asm/thread_info.h b/arch/arm/include/asm/thread_info.h index 2d0cfc2ba23c..680c623a3d1f 100644 --- a/arch/arm/include/asm/thread_info.h +++ b/arch/arm/include/asm/thread_info.h @@ -148,6 +148,7 @@ extern int vfp_restore_user_hwstate(struct user_vfp __user *, #define TIF_NOTIFY_RESUME 2 /* callback before returning to user */ #define TIF_SYSCALL_TRACE 8 #define TIF_SYSCALL_AUDIT 9 +#define TIF_SYSCALL_RESTARTSYS 10 #define TIF_POLLING_NRFLAG 16 #define TIF_USING_IWMMXT 17 #define TIF_MEMDIE 18 /* is terminating due to OOM killer */ @@ -163,9 +164,11 @@ extern int vfp_restore_user_hwstate(struct user_vfp __user *, #define _TIF_USING_IWMMXT (1 << TIF_USING_IWMMXT) #define _TIF_RESTORE_SIGMASK (1 << TIF_RESTORE_SIGMASK) #define _TIF_SECCOMP (1 << TIF_SECCOMP) +#define _TIF_SYSCALL_RESTARTSYS (1 << TIF_SYSCALL_RESTARTSYS) /* Checks for any syscall work in entry-common.S */ -#define _TIF_SYSCALL_WORK (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT) +#define _TIF_SYSCALL_WORK (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | \ + _TIF_SYSCALL_RESTARTSYS) /* * Change these and you break ASM code in entry-common.S |