From mboxrd@z Thu Jan 1 00:00:00 1970 From: liang tang Subject: Re: [Xen-devel] [PATCH 4/8] ACPI: processor: Don't setup cpu idle driver and handler when we do not want them. Date: Tue, 20 Dec 2011 14:25:32 +0800 Message-ID: <4EF02A5C.1030803@oracle.com> References: <1322673664-14642-1-git-send-email-konrad.wilk@oracle.com> <1322673664-14642-5-git-send-email-konrad.wilk@oracle.com> <20111216213618.GB9832@phenom.dumpdata.com> <4EEF12DD.2020308@oracle.com> <20111219142645.GC27772@andromeda.dapyr.net> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20111219142645.GC27772@andromeda.dapyr.net> Sender: linux-acpi-owner@vger.kernel.org To: Konrad Rzeszutek Wilk Cc: Konrad Rzeszutek Wilk , jeremy@goop.org, xen-devel@lists.xensource.com, Ian.Campbell@citrix.com, konrad@kernel.org, mike.mcclurg@citrix.com, stefan.bader@canonical.com, rjw@sisk.pl, linux-acpi@vger.kernel.org, lenb@kernel.org List-Id: xen-devel@lists.xenproject.org On 2011-12-19 22:26, Konrad Rzeszutek Wilk wrote: > On Mon, Dec 19, 2011 at 06:33:01PM +0800, liang tang wrote: >> On 2011-12-17 5:36, Konrad Rzeszutek Wilk wrote: >>> On Wed, Nov 30, 2011 at 12:21:00PM -0500, Konrad Rzeszutek Wilk wrote: >>>> From: Kevin Tian >>>> >>>> This patch inhibits processing of the CPU idle handler if it is not >>>> set to the appropiate one. This is needed by the Xen processor driver >>>> which, while still needing processor details, wants to use the >>>> default_idle >>>> call (which makes a yield hypercall). >>> Which I think is not required anymore with the >>> d91ee5863b71e8c90eaf6035bff3078a85e2e7b5 >>> (cpuidle: replace xen access to x86 pm_idle and default_idle) and >>> 62027aea23fcd14478abdddd3b74a4e0f5fb2984 >>> (cpuidle: create bootparam "cpuidle.off=1") >>> >>> Liang, can you double-check that please? >>> >> Hi,Konrad >> I just read the code ,I think don't need that code too. I will double >> check tomorrow. > Great! Thanks! I have check the code, I think that will be not call. I think we can remove this patch . liang thanks !