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From: Jan Beulich <jbeulich@suse.com>
To: Oleksandr Andrushchenko <Oleksandr_Andrushchenko@epam.com>
Cc: "xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>,
	"Roger Pau Monné" <roger.pau@citrix.com>
Subject: Re: SR-IOV: do we need to virtualize in Xen or rely on Dom0?
Date: Thu, 10 Jun 2021 12:48:16 +0200	[thread overview]
Message-ID: <0aa4bf61-e08f-6da0-1cda-48e61bf876af@suse.com> (raw)
In-Reply-To: <30955a5b-ee46-60d7-ae56-23dc7c91008c@epam.com>

On 10.06.2021 12:01, Oleksandr Andrushchenko wrote:
> On 10.06.21 10:54, Roger Pau Monné wrote:
>> OTOH if we properly trap accesses to the SR-IOV capability (like it
>> was proposed in [1] from your references) we won't have to modify OSes
>> that want to run as hardware domains in order to handle SR-IOV devices.
> 
> Out of curiosity, could you please name a few? I do understand that
> 
> we do want to support unmodified OSes and this is indeed important.
> 
> But, still what are the other OSes which do support Xen + PCI passthrough?

I think Roger saying "want" meant to cover ones which currently don't,
and which would have to undergo more extensive changes if they were to
be enabled.

Jan



  reply	other threads:[~2021-06-10 10:48 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-04  6:37 SR-IOV: do we need to virtualize in Xen or rely on Dom0? Oleksandr Andrushchenko
2021-06-10  7:54 ` Roger Pau Monné
2021-06-10 10:01   ` Oleksandr Andrushchenko
2021-06-10 10:48     ` Jan Beulich [this message]
2021-06-10 11:45       ` Oleksandr Andrushchenko
2021-06-10 12:02         ` Jan Beulich
2021-06-10 12:25           ` Oleksandr Andrushchenko
2021-06-10 14:10     ` Roger Pau Monné
2021-06-10 15:33       ` Oleksandr Andrushchenko
2021-06-11  6:45         ` Jan Beulich
2021-06-11  6:53           ` Oleksandr Andrushchenko

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