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From: "Tian, Kevin" <kevin.tian@intel.com>
To: Jan Beulich <JBeulich@suse.com>, "Xu, Quan" <quan.xu@intel.com>
Cc: "Wu, Feng" <feng.wu@intel.com>,
	"Nakajima, Jun" <jun.nakajima@intel.com>,
	George Dunlap <george.dunlap@eu.citrix.com>,
	Andrew Cooper <andrew.cooper3@citrix.com>,
	Dario Faggioli <dario.faggioli@citrix.com>,
	"xen-devel@lists.xen.org" <xen-devel@lists.xen.org>,
	Julien Grall <julien.grall@arm.com>,
	Stefano Stabellini <stefano.stabellini@citrix.com>,
	SuraveeSuthikulpanit <suravee.suthikulpanit@amd.com>,
	Keir Fraser <keir@xen.org>
Subject: Re: [PATCH 2/2] IOMMU/MMU: Adjust low level functions for VT-d Device-TLB flush error.
Date: Mon, 21 Mar 2016 05:01:18 +0000	[thread overview]
Message-ID: <AADFC41AFE54684AB9EE6CBC0274A5D15F7EF41E@SHSMSX101.ccr.corp.intel.com> (raw)
In-Reply-To: <56EBC50A02000078000DE35B@prv-mh.provo.novell.com>

> From: Jan Beulich [mailto:JBeulich@suse.com]
> Sent: Friday, March 18, 2016 4:06 PM
> 
> >>> On 18.03.16 at 03:30, <quan.xu@intel.com> wrote:
> > Any good idea? To be honest, I am very tired to at splitting things like
> > this :).
> 
> I understand that this is a tedious task; the code should have been
> propagating errors from the beginning.
> 
> The most natural way of splitting things would be to go function by
> function, top level ones first, and leaf ones last, one function per
> patch (maybe pairs of functions, as in the map/unmap case). Such
> model would be problematic (almost) only when there's recursion at
> some point, which I don't think would be the case anywhere here.
> As mentioned before, the __must_check annotation is a great help
> to not miss any callers - both to you as you put things together and
> to the reviewers to be ascertained that nothing was missed.
> 

Agree with this suggestion. It also allows different maintainers
to focus on changes they really need to care about.

Thanks
Kevin


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  reply	other threads:[~2016-03-21  5:01 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-03-17  6:54 [PATCH 0/2] Check VT-d Device-TLB flush error Quan Xu
2016-03-17  6:54 ` [PATCH 1/2] IOMMU/MMU: Adjust top level functions for " Quan Xu
2016-03-17  7:32   ` Tian, Kevin
2016-03-17  7:58     ` Jan Beulich
2016-03-17  8:00       ` Tian, Kevin
2016-03-17 12:30   ` George Dunlap
2016-03-17 12:33     ` George Dunlap
2016-03-18  3:19       ` Xu, Quan
2016-03-18  8:09         ` Jan Beulich
2016-03-24  6:45           ` Xu, Quan
2016-03-18  7:54     ` Xu, Quan
2016-03-18  8:19       ` Jan Beulich
2016-03-18  9:09         ` Xu, Quan
2016-03-18  9:29           ` Jan Beulich
2016-03-18  9:38             ` Dario Faggioli
2016-03-18  9:48               ` Jan Beulich
2016-03-21  6:18                 ` Tian, Kevin
2016-03-21 12:22                   ` Jan Beulich
2016-03-24  9:02                 ` Xu, Quan
2016-03-24  9:58                   ` Jan Beulich
2016-03-24 14:12                     ` Xu, Quan
2016-03-24 14:37                       ` Jan Beulich
2016-03-17 17:14   ` Jan Beulich
2016-03-28  3:33     ` Xu, Quan
2016-03-29  7:20       ` Jan Beulich
2016-03-30  2:28         ` Xu, Quan
2016-03-30  2:35           ` Xu, Quan
2016-03-30  8:05           ` Jan Beulich
2016-03-17  6:54 ` [PATCH 2/2] IOMMU/MMU: Adjust low " Quan Xu
2016-03-17  7:37   ` Tian, Kevin
2016-03-18  2:30     ` Xu, Quan
2016-03-18  8:06       ` Jan Beulich
2016-03-21  5:01         ` Tian, Kevin [this message]
2016-03-17 15:31   ` George Dunlap
2016-03-18  6:57     ` Xu, Quan
2016-03-18 10:20   ` Jan Beulich
2016-03-25  9:27     ` Xu, Quan
2016-03-29  7:36       ` Jan Beulich
2016-04-11  3:09         ` Xu, Quan
2016-04-11  3:27           ` Xu, Quan
2016-04-11 16:34             ` Jan Beulich
2016-04-12  1:09               ` Xu, Quan

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