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authorRalf Baechle <ralf@linux-mips.org>2013-05-29 03:07:19 +0400
committerRalf Baechle <ralf@linux-mips.org>2013-06-10 20:02:30 +0400
commitc3fc5cd5c5a5f4738776a965a020a32c1a37c8fd (patch)
tree59c7114e5c9e682b0b6ec647cabfa4d942ee1377 /arch/mips/include/asm/thread_info.h
parente7f3b48af7be9f8007a224663a5b91340626fed5 (diff)
downloadlinux-c3fc5cd5c5a5f4738776a965a020a32c1a37c8fd.tar.xz
MIPS: Implement HAVE_CONTEXT_TRACKING.
This enables support for CONFIG_NO_HZ_FULL. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/include/asm/thread_info.h')
-rw-r--r--arch/mips/include/asm/thread_info.h11
1 files changed, 8 insertions, 3 deletions
diff --git a/arch/mips/include/asm/thread_info.h b/arch/mips/include/asm/thread_info.h
index cdea4f65b944..61215a34acc6 100644
--- a/arch/mips/include/asm/thread_info.h
+++ b/arch/mips/include/asm/thread_info.h
@@ -109,6 +109,7 @@ static inline struct thread_info *current_thread_info(void)
#define TIF_RESTORE_SIGMASK 9 /* restore signal mask in do_signal() */
#define TIF_USEDFPU 16 /* FPU was used by this task this quantum (SMP) */
#define TIF_MEMDIE 18 /* is terminating due to OOM killer */
+#define TIF_NOHZ 19 /* in adaptive nohz mode */
#define TIF_FIXADE 20 /* Fix address errors in software */
#define TIF_LOGADE 21 /* Log address errors to syslog */
#define TIF_32BIT_REGS 22 /* also implies 16/32 fprs */
@@ -124,6 +125,7 @@ static inline struct thread_info *current_thread_info(void)
#define _TIF_SECCOMP (1<<TIF_SECCOMP)
#define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME)
#define _TIF_USEDFPU (1<<TIF_USEDFPU)
+#define _TIF_NOHZ (1<<TIF_NOHZ)
#define _TIF_FIXADE (1<<TIF_FIXADE)
#define _TIF_LOGADE (1<<TIF_LOGADE)
#define _TIF_32BIT_REGS (1<<TIF_32BIT_REGS)
@@ -131,16 +133,19 @@ static inline struct thread_info *current_thread_info(void)
#define _TIF_FPUBOUND (1<<TIF_FPUBOUND)
#define _TIF_LOAD_WATCH (1<<TIF_LOAD_WATCH)
-#define _TIF_WORK_SYSCALL_ENTRY (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT)
+#define _TIF_WORK_SYSCALL_ENTRY (_TIF_NOHZ | _TIF_SYSCALL_TRACE | \
+ _TIF_SYSCALL_AUDIT)
/* work to do in syscall_trace_leave() */
-#define _TIF_WORK_SYSCALL_EXIT (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT)
+#define _TIF_WORK_SYSCALL_EXIT (_TIF_NOHZ | _TIF_SYSCALL_TRACE | \
+ _TIF_SYSCALL_AUDIT)
/* work to do on interrupt/exception return */
#define _TIF_WORK_MASK \
(_TIF_SIGPENDING | _TIF_NEED_RESCHED | _TIF_NOTIFY_RESUME)
/* work to do on any return to u-space */
-#define _TIF_ALLWORK_MASK (_TIF_WORK_MASK | _TIF_WORK_SYSCALL_EXIT)
+#define _TIF_ALLWORK_MASK (_TIF_NOHZ | _TIF_WORK_MASK | \
+ _TIF_WORK_SYSCALL_EXIT)
#endif /* __KERNEL__ */