From: Suravee Suthikulanit <suravee.suthikulpanit@amd.com>
To: Paul Durrant <Paul.Durrant@citrix.com>,
"xen-devel@lists.xen.org" <xen-devel@lists.xen.org>,
"jbeulich@suse.com" <jbeulich@suse.com>,
George Dunlap <George.Dunlap@citrix.com>
Cc: "Keir (Xen.org)" <keir@xen.org>
Subject: Re: [PATCH v3 3/3] AMD IOMMU: Check io_handler before registering mmio handler
Date: Wed, 25 May 2016 13:52:11 -0500 [thread overview]
Message-ID: <904e89db-8dae-ef5d-e3fd-9b88ad11a0d2@amd.com> (raw)
In-Reply-To: <70390a2d2c3147c296814ca57ff2c4ed@AMSPEX02CL03.citrite.net>
On 5/23/2016 3:23 AM, Paul Durrant wrote:
>> -----Original Message-----
>> > From: suravee.suthikulpanit@amd.com
>> > [mailto:suravee.suthikulpanit@amd.com]
>> > Sent: 22 May 2016 00:43
>> > To: xen-devel@lists.xen.org; Paul Durrant; jbeulich@suse.com; George
>> > Dunlap
>> > Cc: Keir (Xen.org); Suravee Suthikulpanit; Suravee Suthikulapanit
>> > Subject: [PATCH v3 3/3] AMD IOMMU: Check io_handler before registering
>> > mmio handler
>> >
>> > From: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>
>> >
>> > guest_iommu_init tries to register mmio handler before HVM domain
>> > is initialized. This cause registration to silently failing.
>> > This patch adds a sanitiy check and puts out error message.
>> >
>> > Signed-off-by: Suravee Suthikulapanit <suravee.suthikulpanit@amd.com>
> This patch is now defunct isn't it?
>
> Paul
>
It is no longer required, but I think this is a good sanity check in
case something changes in the future and causing this to be called
before the HVM I/O handler initialized.
Thanks,
Suravee
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next prev parent reply other threads:[~2016-05-25 18:52 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-21 23:42 [PATCH v3 0/3] Fix xen crash when starting HVM guest due to missing io handler suravee.suthikulpanit
2016-05-21 23:42 ` [PATCH v3 1/3] x86/hvm: Add check when register " suravee.suthikulpanit
2016-05-23 8:17 ` Paul Durrant
2016-05-23 11:46 ` Jan Beulich
2016-05-25 19:04 ` Suravee Suthikulanit
2016-05-21 23:42 ` [PATCH v3 2/3] svm: iommu: Only call guest_iommu_init() after initialized HVM domain suravee.suthikulpanit
2016-05-23 8:21 ` Paul Durrant
2016-05-23 11:54 ` Jan Beulich
2016-05-25 19:00 ` Suravee Suthikulanit
2016-05-26 15:44 ` Jan Beulich
2016-05-31 21:11 ` Suravee Suthikulanit
2016-06-01 7:55 ` Jan Beulich
2016-05-21 23:42 ` [PATCH v3 3/3] AMD IOMMU: Check io_handler before registering mmio handler suravee.suthikulpanit
2016-05-23 8:23 ` Paul Durrant
2016-05-25 18:52 ` Suravee Suthikulanit [this message]
2016-05-26 8:28 ` Paul Durrant
2016-05-26 15:47 ` Jan Beulich
2016-05-21 23:47 ` [PATCH v3 0/3] Fix xen crash when starting HVM guest due to missing io handler Suravee Suthikulpanit
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