From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752720AbaBKIan (ORCPT ); Tue, 11 Feb 2014 03:30:43 -0500 Received: from mx1.redhat.com ([209.132.183.28]:12266 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751590AbaBKIal (ORCPT ); Tue, 11 Feb 2014 03:30:41 -0500 Message-ID: <52F9DFA4.60106@redhat.com> Date: Tue, 11 Feb 2014 16:30:28 +0800 From: Jason Wang User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 MIME-Version: 1.0 To: "H. Peter Anvin" , kys@microsoft.com, haiyangz@microsoft.com, tglx@linutronix.de, mingo@redhat.com, x86@kernel.org, devel@linuxdriverproject.org, linux-kernel@vger.kernel.org CC: "stable@vger.kernel.org >> Stable" Subject: Re: [PATCH] x86, hyperv: bypass the timer_irq_works() check References: <1390543371-10748-1-git-send-email-jasowang@redhat.com> <52E2D904.6020608@zytor.com> <52E49236.6080805@redhat.com> In-Reply-To: <52E49236.6080805@redhat.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 01/26/2014 12:42 PM, Jason Wang wrote: > On 01/25/2014 05:20 AM, H. Peter Anvin wrote: >> On 01/23/2014 10:02 PM, Jason Wang wrote: >>> This patch bypass the timer_irq_works() check for hyperv guest since: >>> >>> - It was guaranteed to work. >>> - timer_irq_works() may fail sometime due to the lpj calibration were inaccurate >>> in a hyperv guest or a buggy host. >>> >>> In the future, we should get the tsc frequency from hypervisor and use preset >>> lpj instead. >>> >>> Cc: K. Y. Srinivasan >>> Cc: Haiyang Zhang >>> Signed-off-by: Jason Wang >> This should be in -stable, right? >> >> -hpa >> >> > Oh, right. > > Cc: Ping, need I resend the patch or it's ok for you to apply?