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From: "Jan Beulich" <JBeulich@suse.com>
To: Feng Wu <feng.wu@intel.com>
Cc: "george.dunlap@eu.citrix.com" <george.dunlap@eu.citrix.com>,
	"andrew.cooper3@citrix.com" <andrew.cooper3@citrix.com>,
	"dario.faggioli@citrix.com" <dario.faggioli@citrix.com>,
	Kevin Tian <kevin.tian@intel.com>,
	"xen-devel@lists.xen.org" <xen-devel@lists.xen.org>
Subject: Re: [PATCH v5 5/7] VT-d: No need to set irq affinity for posted format IRTE
Date: Tue, 25 Oct 2016 02:09:27 -0600	[thread overview]
Message-ID: <580F2F57020000780011955B@prv-mh.provo.novell.com> (raw)
In-Reply-To: <E959C4978C3B6342920538CF579893F0198A7955@SHSMSX104.ccr.corp.intel.com>

>>> On 25.10.16 at 03:04, <feng.wu@intel.com> wrote:
> I really don't get the point why you think the list is not enough. Could
> you please explain more, thanks a lot!

I have to admit that I don't really know what else to say. Isn't it
quite obvious that for you to suppress the actual update, _all_
meaningful (in the given format) fields have to match? Unless
you indeed compare all of them, you make assumptions about
your callers only covering a subset of all possible inputs.

And then I have to also say that for this simple an operation
(comparing two IRTEs) the discussion has already gone on way
too long.

Jan

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  parent reply	other threads:[~2016-10-25  8:09 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-11  0:57 [PATCH v5 0/7] VMX: Properly handle pi descriptor and per-cpu blocking list Feng Wu
2016-10-11  0:57 ` [PATCH v5 1/7] VMX: Statically assign two PI hooks Feng Wu
2016-10-11  8:11   ` Tian, Kevin
2016-10-12 13:25   ` Jan Beulich
2016-10-11  0:57 ` [PATCH v5 2/7] VMX: Properly handle pi when all the assigned devices are removed Feng Wu
2016-10-11  8:20   ` Tian, Kevin
2016-10-11  0:57 ` [PATCH v5 3/7] VMX: Cleanup PI per-cpu blocking list when vcpu is destroyed Feng Wu
2016-10-11  0:57 ` [PATCH v5 4/7] VMX: Make sure PI is in proper state before install the hooks Feng Wu
2016-10-12 13:45   ` Jan Beulich
2016-10-17  6:26     ` Wu, Feng
2016-10-24  7:22       ` Jan Beulich
2016-10-24  7:45         ` Wu, Feng
2016-10-24  7:59           ` Jan Beulich
2016-10-11  0:57 ` [PATCH v5 5/7] VT-d: No need to set irq affinity for posted format IRTE Feng Wu
2016-10-12 13:56   ` Jan Beulich
2016-10-17  7:02     ` Wu, Feng
2016-10-24  7:27       ` Jan Beulich
2016-10-24  8:57         ` Wu, Feng
2016-10-24  9:53           ` Jan Beulich
2016-10-24 10:18             ` Wu, Feng
2016-10-24 10:57               ` Jan Beulich
2016-10-24 11:10                 ` Wu, Feng
2016-10-24 11:31                   ` Jan Beulich
2016-10-25  1:04                     ` Wu, Feng
2016-10-25  5:57                       ` Tian, Kevin
2016-10-25  8:09                       ` Jan Beulich [this message]
2016-10-26  9:12                         ` Wu, Feng
2016-10-26  9:51                           ` Jan Beulich
2016-10-11  0:57 ` [PATCH v5 6/7] VT-d: Some cleanups Feng Wu
2016-10-12 14:01   ` Jan Beulich
2016-10-11  0:57 ` [PATCH v5 7/7] VMX: Fixup PI descriptor when cpu is offline Feng Wu
2016-10-11  8:38   ` Tian, Kevin
2016-10-11 11:46     ` Wu, Feng
2016-10-11  8:08 ` [PATCH v5 0/7] VMX: Properly handle pi descriptor and per-cpu blocking list Tian, Kevin
2016-10-11  8:11   ` Wu, Feng

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