From: Rik van Riel <riel@redhat.com>
To: Wanpeng Li <kernellwp@gmail.com>,
linux-kernel@vger.kernel.org, kvm@vger.kernel.org
Cc: Wanpeng Li <wanpeng.li@hotmail.com>,
Ingo Molnar <mingo@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Paolo Bonzini <pbonzini@redhat.com>,
Radim Krcmar <rkrcmar@redhat.com>, Mike Galbraith <efault@gmx.de>,
Frederic Weisbecker <fweisbec@gmail.com>,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH v3] sched/cputime: Resync steal time when guest & host lose sync
Date: Tue, 16 Aug 2016 22:15:25 -0400 [thread overview]
Message-ID: <1471400125.32433.61.camel@redhat.com> (raw)
In-Reply-To: <1471399546-4069-1-git-send-email-wanpeng.li@hotmail.com>
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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@redhat.com>
> Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
> Cc: Ingo Molnar <mingo@kernel.org>
> Cc: Peter Zijlstra <peterz@infradead.org>
> Cc: Rik van Riel <riel@redhat.com>
> Cc: Paolo Bonzini <pbonzini@redhat.com>
> Cc: Radim Krcmar <rkrcmar@redhat.com>
> Cc: Mike Galbraith <efault@gmx.de>
> Cc: Frederic Weisbecker <fweisbec@gmail.com>
> Cc: Thomas Gleixner <tglx@linutronix.de>
> Signed-off-by: Wanpeng Li <wanpeng.li@hotmail.com>
>
Reviewed-by: Rik van Riel <riel@redhat.com>
--
All Rights Reversed.
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next prev parent reply other threads:[~2016-08-17 2:15 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-17 2:05 [PATCH v3] sched/cputime: Resync steal time when guest & host lose sync Wanpeng Li
2016-08-17 2:15 ` Rik van Riel [this message]
2016-08-18 10:55 ` [tip:sched/core] " tip-bot for Wanpeng Li
2016-08-18 12:42 ` Frederic Weisbecker
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