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author | Dave Airlie <airlied@redhat.com> | 2023-10-23 11:20:06 +0300 |
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committer | Dave Airlie <airlied@redhat.com> | 2023-10-23 11:20:06 +0300 |
commit | 7cd62eab9babd1fed9c497141650b31168f4f430 (patch) | |
tree | 85ef2122ca0d88b2b598f45eb071fcd1f4faa3d2 /arch/powerpc/lib/qspinlock.c | |
parent | 035fdc38c1f6ddce3544d8a489548e6cc4de508a (diff) | |
parent | 05d3ef8bba77c1b5f98d941d8b2d4aeab8118ef1 (diff) | |
download | linux-7cd62eab9babd1fed9c497141650b31168f4f430.tar.xz |
BackMerge tag 'v6.6-rc7' into drm-next
This is needed to add the msm pr which is based on a higher base.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'arch/powerpc/lib/qspinlock.c')
-rw-r--r-- | arch/powerpc/lib/qspinlock.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/powerpc/lib/qspinlock.c b/arch/powerpc/lib/qspinlock.c index 253620979d0c..6dd2f46bd3ef 100644 --- a/arch/powerpc/lib/qspinlock.c +++ b/arch/powerpc/lib/qspinlock.c @@ -406,6 +406,9 @@ static __always_inline bool yield_to_prev(struct qspinlock *lock, struct qnode * if ((yield_count & 1) == 0) goto yield_prev; /* owner vcpu is running */ + if (get_owner_cpu(READ_ONCE(lock->val)) != yield_cpu) + goto yield_prev; /* re-sample lock owner */ + spin_end(); preempted = true; |