From: Chao Peng <chao.p.peng@linux.intel.com>
To: Jan Beulich <JBeulich@suse.com>
Cc: wei.liu2@citrix.com, Ian.Campbell@citrix.com,
stefano.stabellini@eu.citrix.com, andrew.cooper3@citrix.com,
Ian.Jackson@eu.citrix.com, xen-devel@lists.xen.org,
will.auld@intel.com, keir@xen.org, dgdegra@tycho.nsa.gov
Subject: Re: [PATCH v7 02/14] x86: improve psr scheduling code
Date: Mon, 11 May 2015 09:35:39 +0800 [thread overview]
Message-ID: <20150511013539.GH3458@pengc-linux.bj.intel.com> (raw)
In-Reply-To: <554CAA1D020000780007824C@mail.emea.novell.com>
On Fri, May 08, 2015 at 11:20:45AM +0100, Jan Beulich wrote:
> >>> On 08.05.15 at 10:56, <chao.p.peng@linux.intel.com> wrote:
> > Switching RMID from previous vcpu to next vcpu only needs to write
> > MSR_IA32_PSR_ASSOC once. Write it with the value of next vcpu is enough,
> > no need to write '0' first. Idle domain has RMID set to 0 and because MSR
> > is already updated lazily, so just switch it as it does.
> >
> > Also move the initialization of per-CPU variable which used for lazy
> > update from context switch to CPU starting.
> >
> > Signed-off-by: Chao Peng <chao.p.peng@linux.intel.com>
> > Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>
> > Reviewed-by: Dario Faggioli <dario.faggioli@citrix.com>
>
> Please avoid sending again changes that got applied already.
>
Just noticed it's already get merged. Sorry for the noise and thanks.
Chao
next prev parent reply other threads:[~2015-05-11 1:35 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-08 8:56 [PATCH v7 00/14] enable Cache Allocation Technology (CAT) for VMs Chao Peng
2015-05-08 8:56 ` [PATCH v7 01/14] x86: add socket_to_cpumask Chao Peng
2015-05-18 13:21 ` Jan Beulich
2015-05-19 6:12 ` Chao Peng
2015-05-19 6:28 ` Jan Beulich
2015-05-19 6:47 ` Chao Peng
2015-05-19 6:52 ` Jan Beulich
2015-05-19 7:10 ` Chao Peng
2015-05-19 7:31 ` Jan Beulich
2015-05-19 9:51 ` Chao Peng
2015-05-19 10:18 ` Jan Beulich
2015-05-20 3:13 ` Chao Peng
2015-05-20 9:00 ` Jan Beulich
2015-05-08 8:56 ` [PATCH v7 02/14] x86: improve psr scheduling code Chao Peng
2015-05-08 10:20 ` Jan Beulich
2015-05-11 1:35 ` Chao Peng [this message]
2015-05-08 8:56 ` [PATCH v7 03/14] x86: detect and initialize Intel CAT feature Chao Peng
2015-05-18 13:33 ` Jan Beulich
2015-05-19 7:40 ` Chao Peng
2015-05-19 8:42 ` Jan Beulich
2015-05-19 8:46 ` Jan Beulich
2015-05-19 9:33 ` Chao Peng
2015-05-19 10:22 ` Jan Beulich
2015-05-20 3:21 ` Chao Peng
2015-05-20 9:06 ` Jan Beulich
2015-05-20 9:26 ` Chao Peng
2015-05-08 8:56 ` [PATCH v7 04/14] x86: maintain COS to CBM mapping for each socket Chao Peng
2015-05-18 13:35 ` Jan Beulich
2015-05-19 7:41 ` Chao Peng
2015-05-08 8:56 ` [PATCH v7 05/14] x86: add COS information for each domain Chao Peng
2015-05-08 8:56 ` [PATCH v7 06/14] x86: expose CBM length and COS number information Chao Peng
2015-05-08 8:56 ` [PATCH v7 07/14] x86: dynamically get/set CBM for a domain Chao Peng
2015-05-14 9:19 ` Dario Faggioli
2015-05-15 1:35 ` Chao Peng
2015-05-18 13:45 ` Jan Beulich
2015-05-08 8:56 ` [PATCH v7 08/14] x86: add scheduling support for Intel CAT Chao Peng
2015-05-08 8:56 ` [PATCH v7 09/14] xsm: add CAT related xsm policies Chao Peng
2015-05-08 8:56 ` [PATCH v7 10/14] tools/libxl: minor name changes for CMT commands Chao Peng
2015-05-08 8:56 ` [PATCH v7 11/14] tools/libxl: add command to show PSR hardware info Chao Peng
2015-05-08 8:56 ` [PATCH v7 12/14] tools/libxl: introduce some socket helpers Chao Peng
2015-05-08 8:56 ` [PATCH v7 13/14] tools: add tools support for Intel CAT Chao Peng
2015-05-08 13:38 ` Ian Campbell
2015-05-08 8:56 ` [PATCH v7 14/14] docs: add xl-psr.markdown Chao Peng
2015-05-08 13:39 ` Ian Campbell
2015-05-08 13:41 ` [PATCH v7 00/14] enable Cache Allocation Technology (CAT) for VMs Ian Campbell
2015-05-08 13:48 ` Jan Beulich
2015-05-08 14:11 ` Ian Campbell
2015-05-11 1:37 ` Chao Peng
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