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author | Linus Torvalds <torvalds@linux-foundation.org> | 2023-03-26 09:06:20 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2023-03-26 09:06:20 -0700 |
commit | f6cdaeb08b66db0d06b1b70c0801a00b6f30571c (patch) | |
tree | e96d571e80e5a291c13b38747baaeefd118467a8 /kernel | |
parent | 986c63741da243c68e1faa97064a1bb216e8d7c0 (diff) | |
parent | b416514054810cf2d2cc348ae477cea619b64da7 (diff) |
Merge tag 'core_urgent_for_v6.3_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull core fixes from Borislav Petkov:
- Do the delayed RCU wakeup for kthreads in the proper order so that
former doesn't get ignored
- A noinstr warning fix
* tag 'core_urgent_for_v6.3_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
entry/rcu: Check TIF_RESCHED _after_ delayed RCU wake-up
entry: Fix noinstr warning in __enter_from_user_mode()
Diffstat (limited to 'kernel')
-rw-r--r-- | kernel/entry/common.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/entry/common.c b/kernel/entry/common.c index 846add8394c4..be61332c66b5 100644 --- a/kernel/entry/common.c +++ b/kernel/entry/common.c @@ -21,7 +21,7 @@ static __always_inline void __enter_from_user_mode(struct pt_regs *regs) arch_enter_from_user_mode(regs); lockdep_hardirqs_off(CALLER_ADDR0); - CT_WARN_ON(ct_state() != CONTEXT_USER); + CT_WARN_ON(__ct_state() != CONTEXT_USER); user_exit_irqoff(); instrumentation_begin(); @@ -192,13 +192,14 @@ static unsigned long exit_to_user_mode_loop(struct pt_regs *regs, static void exit_to_user_mode_prepare(struct pt_regs *regs) { - unsigned long ti_work = read_thread_flags(); + unsigned long ti_work; lockdep_assert_irqs_disabled(); /* Flush pending rcuog wakeup before the last need_resched() check */ tick_nohz_user_enter_prepare(); + ti_work = read_thread_flags(); if (unlikely(ti_work & EXIT_TO_USER_MODE_WORK)) ti_work = exit_to_user_mode_loop(regs, ti_work); |