From: Dario Faggioli <dario.faggioli@citrix.com>
To: Feng Wu <feng.wu@intel.com>
Cc: Kevin Tian <kevin.tian@intel.com>, Keir Fraser <keir@xen.org>,
George Dunlap <george.dunlap@eu.citrix.com>,
Andrew Cooper <andrew.cooper3@citrix.com>,
xen-devel@lists.xen.org, Jan Beulich <jbeulich@suse.com>
Subject: Re: [PATCH v5 15/17] vmx: Add some scheduler hooks for VT-d posted interrupts
Date: Thu, 13 Aug 2015 11:06:01 +0200 [thread overview]
Message-ID: <1439456761.24583.59.camel@citrix.com> (raw)
In-Reply-To: <20150812171308.GN17650@l.oracle.com>
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On Wed, 2015-08-12 at 13:13 -0400, Konrad Rzeszutek Wilk wrote:
> On Wed, Aug 12, 2015 at 10:35:36AM +0800, Feng Wu wrote:
> > This patch adds the following arch hooks in scheduler:
> > - vmx_pre_ctx_switch_pi():
> > It is called before context switch, we update the posted
> > interrupt descriptor when the vCPU is preempted, go to sleep,
> > or is blocked.
> >
> > - vmx_post_ctx_switch_pi()
> > It is called after context switch, we update the posted
> > interrupt descriptor when the vCPU is going to run.
> >
> > - arch_vcpu_wake_prepare()
> > It will be called when waking up the vCPU, we update
> > the posted interrupt descriptor when the vCPU is unblocked.
> >
> > CC: Keir Fraser <keir@xen.org>
> > CC: Jan Beulich <jbeulich@suse.com>
> > CC: Andrew Cooper <andrew.cooper3@citrix.com>
> > CC: Kevin Tian <kevin.tian@intel.com>
> > CC: George Dunlap <george.dunlap@eu.citrix.com>
> > CC: Dario Faggioli <dario.faggioli@citrix.com>
> > Sugguested-by: Dario Faggioli <dario.faggioli@citrix.com>
> > Signed-off-by: Feng Wu <feng.wu@intel.com>
>
With Konrad's points addressed:
Reviewed-by: Dario Faggioli <dario.faggioli@citrix.com>
Regards,
Dario
--
<<This happens because I choose it to happen!>> (Raistlin Majere)
-----------------------------------------------------------------
Dario Faggioli, Ph.D, http://about.me/dario.faggioli
Senior Software Engineer, Citrix Systems R&D Ltd., Cambridge (UK)
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next prev parent reply other threads:[~2015-08-13 9:06 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-12 2:35 [PATCH v5 00/17] Add VT-d Posted-Interrupts support Feng Wu
2015-08-12 2:35 ` [PATCH v5 01/17] VT-d Posted-intterrupt (PI) design Feng Wu
2015-08-12 15:35 ` Konrad Rzeszutek Wilk
2015-08-12 17:27 ` Andrew Cooper
2015-08-12 17:46 ` Konrad Rzeszutek Wilk
2015-08-13 1:37 ` Wu, Feng
2015-08-13 8:29 ` Jan Beulich
2015-08-12 2:35 ` [PATCH v5 02/17] Add cmpxchg16b support for x86-64 Feng Wu
2015-08-12 15:38 ` Konrad Rzeszutek Wilk
2015-08-12 2:35 ` [PATCH v5 03/17] iommu: Add iommu_intpost to control VT-d Posted-Interrupts feature Feng Wu
2015-08-12 15:39 ` Konrad Rzeszutek Wilk
2015-08-12 2:35 ` [PATCH v5 04/17] vt-d: VT-d Posted-Interrupts feature detection Feng Wu
2015-08-12 15:40 ` Konrad Rzeszutek Wilk
2015-08-12 2:35 ` [PATCH v5 05/17] vmx: Extend struct pi_desc to support VT-d Posted-Interrupts Feng Wu
2015-08-12 15:45 ` Konrad Rzeszutek Wilk
2015-08-12 2:35 ` [PATCH v5 06/17] vmx: Add some helper functions for Posted-Interrupts Feng Wu
2015-08-12 15:46 ` Konrad Rzeszutek Wilk
2015-08-12 2:35 ` [PATCH v5 07/17] vmx: Initialize VT-d Posted-Interrupts Descriptor Feng Wu
2015-08-12 17:03 ` Konrad Rzeszutek Wilk
2015-08-12 2:35 ` [PATCH v5 08/17] vmx: Suppress posting interrupts when 'SN' is set Feng Wu
2015-08-12 17:03 ` Konrad Rzeszutek Wilk
2015-08-12 2:35 ` [PATCH v5 09/17] VT-d: Remove pointless casts Feng Wu
2015-08-12 17:03 ` Konrad Rzeszutek Wilk
2015-08-12 2:35 ` [PATCH v5 10/17] vt-d: Extend struct iremap_entry to support VT-d Posted-Interrupts Feng Wu
2015-08-12 2:35 ` [PATCH v5 11/17] vt-d: Add API to update IRTE when VT-d PI is used Feng Wu
2015-08-12 16:23 ` Konrad Rzeszutek Wilk
2015-08-13 8:33 ` Jan Beulich
2015-08-13 18:27 ` Konrad Rzeszutek Wilk
2015-08-12 17:41 ` Andrew Cooper
2015-08-13 1:41 ` Wu, Feng
2015-08-12 2:35 ` [PATCH v5 12/17] Update IRTE according to guest interrupt config changes Feng Wu
2015-08-12 16:43 ` Konrad Rzeszutek Wilk
2015-08-13 1:37 ` Wu, Feng
2015-08-13 8:36 ` Jan Beulich
2015-08-12 2:35 ` [PATCH v5 13/17] vmx: posted-interrupt handling when vCPU is blocked Feng Wu
2015-08-12 16:59 ` Konrad Rzeszutek Wilk
2015-08-12 2:35 ` [PATCH v5 14/17] vmx: Properly handle notification event when vCPU is running Feng Wu
2015-08-12 17:02 ` Konrad Rzeszutek Wilk
2015-08-13 1:37 ` Wu, Feng
2015-08-12 2:35 ` [PATCH v5 15/17] vmx: Add some scheduler hooks for VT-d posted interrupts Feng Wu
2015-08-12 17:13 ` Konrad Rzeszutek Wilk
2015-08-13 9:06 ` Dario Faggioli [this message]
2015-08-13 9:15 ` Wu, Feng
2015-08-12 2:35 ` [PATCH v5 16/17] VT-d: Dump the posted format IRTE Feng Wu
2015-08-12 17:14 ` Konrad Rzeszutek Wilk
2015-08-12 2:35 ` [PATCH v5 17/17] Add a command line parameter for VT-d posted-interrupts Feng Wu
2015-08-12 17:16 ` Konrad Rzeszutek Wilk
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