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| author |   Libing Zhou <libing.zhou@nokia-sbell.com> | 2020-08-20 10:56:41 +0800 |
|---|---|---|
| committer |   Borislav Petkov <bp@suse.de> | 2020-10-01 14:42:08 +0200 |
| commit | f94c91f7ba3ba7de2bc8aa31be28e1abb22f849e (patch) | |
| tree | aa1048ce5484a96d123b071ae55113055381f98a /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | Documentation/x86: Add documentation for /proc/cpuinfo feature flags (diff) | |
| download | wireguard-linux-f94c91f7ba3ba7de2bc8aa31be28e1abb22f849e.tar.xz wireguard-linux-f94c91f7ba3ba7de2bc8aa31be28e1abb22f849e.zip | |
x86/nmi: Fix nmi_handle() duration miscalculation
When nmi_check_duration() is checking the time an NMI handler took to
execute, the whole_msecs value used should be read from the @duration
argument, not from the ->max_duration, the latter being used to store
the current maximal duration.
[ bp: Rewrite commit message. ]
Fixes: 248ed51048c4 ("x86/nmi: Remove irq_work from the long duration NMI handler")
Suggested-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Libing Zhou <libing.zhou@nokia-sbell.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Changbin Du <changbin.du@gmail.com>
Link: https://lkml.kernel.org/r/20200820025641.44075-1-libing.zhou@nokia-sbell.com
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