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: Sun, 17 Apr 2016 14:03:40 +0200 [thread overview]
Message-ID: <57137B9C.201@redhat.com> (raw)
In-Reply-To: <VI1PR02MB17276BB47B06BF394FD4319F836A0@VI1PR02MB1727.eurprd02.prod.outlook.com>
On 17/04/2016 09:18, Eli Britstein wrote:
> Attached. Also, if need to change ioremap to ioremap_cache, please
> advise where. I assume in mmap it is already too late.
No, you need not do that. If memory was uncached, the performance
penalty would be 100x or worse.
Paolo
next prev parent reply other threads:[~2016-04-17 12:03 UTC|newest]
Thread overview: 16+ 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 8:56 ` [Qemu-devel] " Markus Armbruster
2016-04-11 12:27 ` Michael S. Tsirkin
2016-04-11 12:27 ` [Qemu-devel] " Michael S. Tsirkin
2016-04-11 13:18 ` Eli Britstein
2016-04-11 13:18 ` [Qemu-devel] " Eli Britstein
2016-04-11 16:07 ` Eric Blake
2016-04-14 2:16 ` Wang, Wei W
2016-04-14 12:45 ` Paolo Bonzini
2016-04-17 7:18 ` Eli Britstein
2016-04-17 12:03 ` Paolo Bonzini [this message]
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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