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| author | Yong Zhang <yong.zhang0@gmail.com> | 2011-07-28 03:16:00 (GMT) |
|---|---|---|
| committer | Scott Wood <scottwood@freescale.com> | 2015-02-13 22:20:35 (GMT) |
| commit | fda46064abe2b94faafa5db1d6d66d97f006ae85 (patch) | |
| tree | c7b61529369cf145ac3ca1c3d168080dc6f53e44 /lib | |
| parent | 9a8d18d3b70c6723aa019df25e32b818c624dd4a (diff) | |
| download | linux-fsl-qoriq-fda46064abe2b94faafa5db1d6d66d97f006ae85.tar.xz | |
hotplug: Reread hotplug_pcp on pin_current_cpu() retry
When retry happens, it's likely that the task has been migrated to
another cpu (except unplug failed), but it still derefernces the
original hotplug_pcp per cpu data.
Update the pointer to hotplug_pcp in the retry path, so it points to
the current cpu.
Signed-off-by: Yong Zhang <yong.zhang0@gmail.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20110728031600.GA338@windriver.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'lib')
0 files changed, 0 insertions, 0 deletions