Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
Merge branch 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
mutex: Fix optimistic spinning vs. BKL
+7
+7
kernel/mutex.c
+7
kernel/mutex.c
···
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struct thread_info *owner;
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/*
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+
* If we own the BKL, then don't spin. The owner of
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+
* the mutex might be waiting on us to release the BKL.
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+
*/
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+
if (unlikely(current->lock_depth >= 0))
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+
break;
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+
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+
/*
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* If there's an owner, wait for it to either
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* release the lock or go to sleep.
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*/