From: Wei Liu <wei.liu2@citrix.com>
To: Andrew Cooper <andrew.cooper3@citrix.com>
Cc: "Juergen Gross" <jgross@suse.com>,
"Stefano Stabellini" <sstabellini@kernel.org>,
"Wei Liu" <wei.liu2@citrix.com>,
Xen-devel <xen-devel@lists.xen.org>,
"Julien Grall" <julien.grall@arm.com>,
"Jan Beulich" <JBeulich@suse.com>,
"Roger Pau Monné" <roger.pau@citrix.com>
Subject: Re: [PATCH v3 7/7] xen/dom0: Add a dom0-iommu=none option
Date: Thu, 17 Jan 2019 10:55:04 +0000 [thread overview]
Message-ID: <20190117105504.hgpucdyx52hfv3ac@zion.uk.xensource.com> (raw)
In-Reply-To: <1547629250-1405-8-git-send-email-andrew.cooper3@citrix.com>
On Wed, Jan 16, 2019 at 09:00:50AM +0000, Andrew Cooper wrote:
> For development purposes, it is very convenient to boot Xen as a PVH guest,
> with an XTF PV or PVH "dom0". The edit-compile-go cycle is a matter of
> seconds, and you can reasonably insert printk() debugging in places which
> which would be completely infeasible when booting fully-fledged guests.
>
> However, the PVH dom0 path insists on having a working IOMMU, which doesn't
> exist when virtualised as a PVH guest, and isn't necessary for XTF anyway.
>
> Introduce a developer mode to skip the IOMMU requirement.
Nice.
/me takes note to add a corresponding smoke test to gitlab.
Wei.
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next prev parent reply other threads:[~2019-01-17 10:55 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-16 9:00 [PATCH v3 for-4.12 0/7] Docs improvements, and dom0 construction fixes Andrew Cooper
2019-01-16 9:00 ` [PATCH v3 1/7] docs: Improve documentation for dom0= and dom0-iommu= Andrew Cooper
2019-01-16 10:53 ` Roger Pau Monné
2019-01-16 19:54 ` Andrew Cooper
2019-01-16 11:52 ` Jan Beulich
2019-01-16 19:51 ` Andrew Cooper
2019-01-17 8:43 ` Roger Pau Monné
2019-01-17 9:08 ` Andrew Cooper
2019-01-17 9:14 ` Juergen Gross
2019-01-17 11:59 ` Jan Beulich
2019-01-17 12:11 ` Andrew Cooper
2019-01-17 11:20 ` Jan Beulich
2019-01-17 12:15 ` Andrew Cooper
2019-01-17 12:26 ` Jan Beulich
2019-01-21 17:24 ` Andrew Cooper
2019-01-16 9:00 ` [PATCH v3 2/7] docs: Improve documentation and parsing for iommu= Andrew Cooper
2019-01-16 11:06 ` Roger Pau Monné
2019-01-21 17:30 ` Andrew Cooper
2019-01-16 13:47 ` Jan Beulich
2019-01-16 9:00 ` [PATCH v3 3/7] docs: Improve documentation and parsing for pci= Andrew Cooper
2019-01-16 11:08 ` Roger Pau Monné
2019-01-16 13:52 ` Jan Beulich
2019-01-16 9:00 ` [PATCH v3 4/7] docs: Improve documentation and parsing for efi= Andrew Cooper
2019-01-16 14:00 ` Jan Beulich
2019-01-16 9:00 ` [PATCH v3 5/7] x86/dom0: Improve dom0= useability Andrew Cooper
2019-01-16 11:13 ` Roger Pau Monné
2019-01-16 14:08 ` Jan Beulich
2019-01-16 19:58 ` Andrew Cooper
2019-01-17 11:21 ` Jan Beulich
2019-01-16 9:00 ` [PATCH v3 6/7] xen/dom0: Drop iommu_hwdom_inclusive entirely Andrew Cooper
2019-01-16 11:24 ` Roger Pau Monné
2019-01-17 13:32 ` Jan Beulich
2019-01-17 14:51 ` Roger Pau Monné
2019-01-16 9:00 ` [PATCH v3 7/7] xen/dom0: Add a dom0-iommu=none option Andrew Cooper
2019-01-16 11:32 ` Roger Pau Monné
2019-01-17 10:55 ` Wei Liu [this message]
2019-01-17 13:35 ` Jan Beulich
2019-01-21 18:08 ` Andrew Cooper
2019-01-22 8:06 ` Jan Beulich
2019-01-22 13:42 ` Andrew Cooper
2019-01-16 11:38 ` [PATCH v3 for-4.12 0/7] Docs improvements, and dom0 construction fixes Juergen Gross
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