From: Vitaly Kuznetsov <vkuznets@redhat.com>
To: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Cc: jasowang@redhat.com, "Michael S. Tsirkin" <mst@redhat.com>,
qemu-devel@nongnu.org, Roman Kagan <rkagan@virtuozzo.com>
Subject: Re: [PATCH 2/2] hyperv/synic: Allocate as ram_device
Date: Thu, 09 Jan 2020 14:00:00 +0100 [thread overview]
Message-ID: <87r208rdin.fsf@vitty.brq.redhat.com> (raw)
In-Reply-To: <20200109122237.GD6795@work-vm>
"Dr. David Alan Gilbert" <dgilbert@redhat.com> writes:
> And I think vhost-user will fail if you have too many sections - and
> the 16 sections from synic I think will blow the slots available.
>
SynIC is percpu, it will allocate two 4k pages for every vCPU the guest
has so we're potentially looking at hundreds of such regions.
--
Vitaly
next prev parent reply other threads:[~2020-01-09 13:03 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-08 13:53 [PATCH 0/2] exclude hyperv synic sections from vhost Dr. David Alan Gilbert (git)
2020-01-08 13:53 ` [PATCH 1/2] vhost: Don't pass ram device sections Dr. David Alan Gilbert (git)
2020-01-09 11:45 ` Michael S. Tsirkin
2020-01-09 11:56 ` Michael S. Tsirkin
2020-01-09 12:38 ` Roman Kagan
2020-01-09 12:42 ` Michael S. Tsirkin
2020-01-08 13:53 ` [PATCH 2/2] hyperv/synic: Allocate as ram_device Dr. David Alan Gilbert (git)
2020-01-09 11:48 ` Michael S. Tsirkin
2020-01-09 12:08 ` Dr. David Alan Gilbert
2020-01-09 12:18 ` Michael S. Tsirkin
2020-01-09 12:22 ` Dr. David Alan Gilbert
2020-01-09 13:00 ` Vitaly Kuznetsov [this message]
2020-01-09 13:24 ` Roman Kagan
2020-01-09 13:28 ` Dr. David Alan Gilbert
2020-01-09 16:12 ` Roman Kagan
2020-01-09 16:27 ` Dr. David Alan Gilbert
2020-01-09 17:13 ` Roman Kagan
2020-01-09 13:06 ` Michael S. Tsirkin
2020-01-09 13:22 ` Dr. David Alan Gilbert
2020-01-09 13:27 ` Michael S. Tsirkin
2020-01-09 13:28 ` Michael S. Tsirkin
2020-01-09 13:40 ` Dr. David Alan Gilbert
2020-01-09 15:31 ` Paolo Bonzini
2020-01-09 15:38 ` Dr. David Alan Gilbert
2020-01-09 15:40 ` Vitaly Kuznetsov
2020-07-07 10:54 ` Paolo Bonzini
2020-01-09 13:03 ` Roman Kagan
2020-01-09 13:08 ` Dr. David Alan Gilbert
2020-01-08 14:26 ` [PATCH 0/2] exclude hyperv synic sections from vhost Vitaly Kuznetsov
2020-01-09 3:00 ` Jason Wang
2020-01-09 9:07 ` Vitaly Kuznetsov
2020-01-09 12:02 ` Dr. David Alan Gilbert
2020-01-09 12:14 ` Michael S. Tsirkin
2020-01-09 11:53 ` Roman Kagan
2020-01-09 12:16 ` Dr. David Alan Gilbert
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