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| author | Peter Zijlstra <peterz@infradead.org> | 2024-10-04 15:47:02 +0300 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2024-11-05 14:55:37 +0300 |
| commit | 26baa1f1c4bdc34b8d698c1900b407d863ad0e69 (patch) | |
| tree | 410e81cac79d2f31d7734efc4ac79c3a2003a1d8 /include/linux/entry-common.h | |
| parent | 0f0d1b8e5010bfe1feeb4d78d137e41946a5370d (diff) | |
| download | linux-26baa1f1c4bdc34b8d698c1900b407d863ad0e69.tar.xz | |
sched: Add TIF_NEED_RESCHED_LAZY infrastructure
Add the basic infrastructure to split the TIF_NEED_RESCHED bit in two.
Either bit will cause a resched on return-to-user, but only
TIF_NEED_RESCHED will drive IRQ preemption.
No behavioural change intended.
Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Link: https://lkml.kernel.org/r/20241007075055.219540785@infradead.org
Diffstat (limited to 'include/linux/entry-common.h')
| -rw-r--r-- | include/linux/entry-common.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/entry-common.h b/include/linux/entry-common.h index 1e50cdb83ae5..fc61d0205c97 100644 --- a/include/linux/entry-common.h +++ b/include/linux/entry-common.h @@ -64,7 +64,8 @@ #define EXIT_TO_USER_MODE_WORK \ (_TIF_SIGPENDING | _TIF_NOTIFY_RESUME | _TIF_UPROBE | \ - _TIF_NEED_RESCHED | _TIF_PATCH_PENDING | _TIF_NOTIFY_SIGNAL | \ + _TIF_NEED_RESCHED | _TIF_NEED_RESCHED_LAZY | \ + _TIF_PATCH_PENDING | _TIF_NOTIFY_SIGNAL | \ ARCH_EXIT_TO_USER_MODE_WORK) /** |