On Wed, 2016-08-17 at 10:05 +0800, Wanpeng Li wrote: > This patch fix the regression by limiting the account_other_time() > from > get_vtime_delta() to avoid underflow, and let other three call sites > (account_other_time() and steal_account_process_time()) account > however > much steal time the host told us elapsed. > > Suggested-by: Rik van Riel <riel@xxxxxxxxxx> > Suggested-by: Paolo Bonzini <pbonzini@xxxxxxxxxx> > Cc: Ingo Molnar <mingo@xxxxxxxxxx> > Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> > Cc: Rik van Riel <riel@xxxxxxxxxx> > Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx> > Cc: Radim Krcmar <rkrcmar@xxxxxxxxxx> > Cc: Mike Galbraith <efault@xxxxxx> > Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx> > Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> > Signed-off-by: Wanpeng Li <wanpeng.li@xxxxxxxxxxx> > Reviewed-by: Rik van Riel <riel@xxxxxxxxxx> -- All Rights Reversed.
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