Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
Merge tag 'core-urgent-2020-11-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull entry code fix from Thomas Gleixner:
"A single fix for the generic entry code to correct the wrong
assumption that the lockdep interrupt state needs not to be
established before calling the RCU check"
* tag 'core-urgent-2020-11-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
entry: Fix the incorrect ordering of lockdep and RCU check
+2
-2
+2
-2
kernel/entry/common.c
+2
-2
kernel/entry/common.c
···
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* already contains a warning when RCU is not watching, so no point
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* in having another one here.
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*/
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+
lockdep_hardirqs_off(CALLER_ADDR0);
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instrumentation_begin();
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rcu_irq_enter_check_tick();
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-
/* Use the combo lockdep/tracing function */
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-
trace_hardirqs_off();
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+
trace_hardirqs_off_finish();
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instrumentation_end();
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return ret;