From: Paolo Bonzini <pbonzini@redhat.com>
To: Eli Britstein <eli.britstein@toganetworks.com>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>
Subject: Re: IVSHMEM device performance
Date: Thu, 14 Apr 2016 14:45:19 +0200 [thread overview]
Message-ID: <570F90DF.7040904@redhat.com> (raw)
In-Reply-To: <VI1PR02MB17275FD1274A0D7C24956E8283940@VI1PR02MB1727.eurprd02.prod.outlook.com>
On 11/04/2016 08:21, Eli Britstein wrote:
> I thought maybe the reason is that this memory is seen by the VM as a
> mapped PCI memory region, so it is not cached,
KVM actually overrides the type of the memory region and always makes it
cached.
Can you try sending the "lspci -vv" output?
Paolo
next prev parent reply other threads:[~2016-04-14 12:45 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-11 6:21 IVSHMEM device performance Eli Britstein
2016-04-11 8:56 ` Markus Armbruster
2016-04-11 12:27 ` Michael S. Tsirkin
2016-04-11 13:18 ` Eli Britstein
2016-04-11 16:07 ` [Qemu-devel] " Eric Blake
2016-04-14 2:16 ` Wang, Wei W
2016-04-14 12:45 ` Paolo Bonzini [this message]
2016-04-17 7:18 ` Eli Britstein
2016-04-17 12:03 ` Paolo Bonzini
2016-04-17 15:57 ` Eli Britstein
2016-05-05 8:57 ` Eli Britstein
2016-05-06 0:50 ` Wang, Wei W
2016-05-08 6:12 ` Eli Britstein
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