linux-kernel - Re: [RFC/RFT PATCH v2 0/4] KVM: x86: full virtualization of guest MTRR

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 7 Jul 2015 16:09:07 +0200
From:	Paolo Bonzini <pbonzini@...hat.com>
To:	Joerg Roedel <jroedel@...e.de>
Cc:	linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
	guangrong.xiao@...ux.intel.com, alex.williamson@...hat.com,
	ogerlitz@...lanox.com, amirv@...lanox.com
Subject: Re: [RFC/RFT PATCH v2 0/4] KVM: x86: full virtualization of guest
 MTRR



On 07/07/2015 16:06, Joerg Roedel wrote:
> > I do not have any AMD machines that support an IOMMU, so I would like
> > some help testing these patches.  Thanks,
>
> What kind of testing do you want? Booting a guest with a device attached
> is probably not sufficient, right?

The guest should not take ages to boot, which is typical of messed-up
MTRR/PAT.  And if you add some actual usage of the attached device, it
actually is sufficient.  Even a simple ping test, or typing through a
USB keyboard on a passed-through controller, is enough.

Paolo
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/