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Peter Zijlstra 26baa1f1c4 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
History 2024-11-05 12:55:37 +01:00
..
common.c sched: Add TIF_NEED_RESCHED_LAZY infrastructure 2024-11-05 12:55:37 +01:00
common.h kernel: Implement selective syscall userspace redirection 2020-12-02 15:07:56 +01:00
kvm.c sched: Add TIF_NEED_RESCHED_LAZY infrastructure 2024-11-05 12:55:37 +01:00
Makefile kernel: Implement selective syscall userspace redirection 2020-12-02 15:07:56 +01:00
syscall_user_dispatch.c ptrace: Provide set/get interface for syscall user dispatch 2023-04-16 14:23:07 +02:00