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| author | Peter Zijlstra <peterz@infradead.org> | 2024-07-04 16:00:24 +0200 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2024-07-04 16:00:24 +0200 |
| commit | 0c8ea05e9b3d8e5287e2a968f2a2e744dfd31b99 (patch) | |
| tree | ba0443b74f063471c5d81d85e795e04e7e1dc79c /include/linux/srcutiny.h | |
| parent | 0ca4da2412da05fb9dd0b5d90dcc8026219f0f29 (diff) | |
| parent | 34b3fc558b537bdf99644dcde539e151716f6331 (diff) | |
Merge branch 'tip/x86/cpu'
The Lunarlake patches rely on the new VFM stuff.
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Diffstat (limited to 'include/linux/srcutiny.h')
| -rw-r--r-- | include/linux/srcutiny.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/srcutiny.h b/include/linux/srcutiny.h index 447133171d95..4d96bbdb45f0 100644 --- a/include/linux/srcutiny.h +++ b/include/linux/srcutiny.h @@ -64,8 +64,10 @@ static inline int __srcu_read_lock(struct srcu_struct *ssp) { int idx; + preempt_disable(); // Needed for PREEMPT_AUTO idx = ((READ_ONCE(ssp->srcu_idx) + 1) & 0x2) >> 1; WRITE_ONCE(ssp->srcu_lock_nesting[idx], READ_ONCE(ssp->srcu_lock_nesting[idx]) + 1); + preempt_enable(); return idx; } |