From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: Jan Beulich <JBeulich@novell.com>
Cc: xen-devel@lists.xensource.com
Subject: Re: [PATCH] x86: add support for domain initiated global cache flush
Date: Mon, 3 May 2010 13:37:16 -0400 [thread overview]
Message-ID: <20100503173716.GA24477@phenom.dumpdata.com> (raw)
In-Reply-To: <4BD9C9150200007800000B14@vpn.id2.novell.com>
On Thu, Apr 29, 2010 at 04:59:49PM +0100, Jan Beulich wrote:
> Newer Linux' AGP code wants to flush caches on all CPUs under certain
> circumstances. Since doing this on all vCPU-s of the domain in
> question doesn't yield the intended effect, this needs to be done in
> the hypervisor. Add a new MMUEXT operation for this.
Is there a corresponding patch for this new hypercall API?
>
> While looking at the pre-existing flush implementation, I also noticed
> an off-by-one error in the cache flush portion of flush_area_local().
>
prev parent reply other threads:[~2010-05-03 17:37 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-29 15:59 [PATCH] x86: add support for domain initiated global cache flush Jan Beulich
2010-05-03 17:37 ` Konrad Rzeszutek Wilk [this message]
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