Tweak the clearing of TDF_DEADLKTREAT so that we only bother grabbing the
lock and clearing the flag if it was clear when uiomove() was called.
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parent
854dc8c2a1
commit
01de25134f
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=114758
@ -185,9 +185,9 @@ uiomove(void *cp, int n, struct uio *uio)
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n -= cnt;
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}
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out:
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if (td) {
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if (td && save == 0) {
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mtx_lock_spin(&sched_lock);
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td->td_flags = (td->td_flags & ~TDF_DEADLKTREAT) | save;
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td->td_flags &= ~TDF_DEADLKTREAT;
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mtx_unlock_spin(&sched_lock);
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}
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return (error);
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