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authorFrederic Weisbecker <fweisbec@gmail.com>2013-07-15 16:35:55 +0200
committerFrederic Weisbecker <fweisbec@gmail.com>2013-08-14 17:14:56 +0200
commitaf2350bd12096dfd04e1090b90bfecea1f75f84e (patch)
tree838e36dc6f9ec7f2ae237652e1002597c64df070 /kernel/utsname.c
parentb854fafa4e06c50a92e00b39d75ee62083d986d6 (diff)
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vtime: Always debug check snapshot source _before_ updating it
The vtime delta update performed by get_vtime_delta() always check that the source of the snapshot is valid. Meanhile the snapshot updaters that rely on get_vtime_delta() also set the new snapshot origin. But some of them do this right before the call to get_vtime_delta(), making its debug check useless. This is easily fixable by moving the snapshot origin update after the call to get_vtime_delta(). The order doesn't matter there. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Li Zhong <zhong@linux.vnet.ibm.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Kevin Hilman <khilman@linaro.org>
Diffstat (limited to 'kernel/utsname.c')
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