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From: "Luis R. Rodriguez" <mcgrof@suse.com>
To: David Vrabel <david.vrabel@citrix.com>
Cc: "Luis R. Rodriguez" <mcgrof@do-not-panic.com>,
	konrad.wilk@oracle.com, boris.ostrovsky@oracle.com,
	xen-devel@lists.xenproject.org, kvm@vger.kernel.org,
	x86@kernel.org, linux-kernel@vger.kernel.org,
	rostedt@goodmis.org, paulmck@linux.vnet.ibm.com
Subject: Re: [Xen-devel] [RFC v4 0/2] x86/xen: add xen hypercall preemption
Date: Fri, 23 Jan 2015 19:58:45 +0100	[thread overview]
Message-ID: <20150123185845.GY17887@wotan.suse.de> (raw)
In-Reply-To: <54C235AD.5010202@citrix.com>

On Fri, Jan 23, 2015 at 11:51:09AM +0000, David Vrabel wrote:
> On 23/01/15 00:29, Luis R. Rodriguez wrote:
> > From: "Luis R. Rodriguez" <mcgrof@suse.com>
> > 
> > This v4 addresses some of the cleanups recommended and adds
> > tracing option for when we do actually preempt a hypercall.
> > I kept the NOKPROBE_SYMBOL() for now but did remove the 'notrace'
> > stuff.
> > 
> > This goes out as RFC still as I have not been able to test 32-bit.
> > Can anyone test that or at least confirm that the 32-bit point
> > we do the upcall is definitely not on the IRQ stack?
> 
> You can omit fixing this for 32-bit guests (provided you note as such in
> the commit message).

I'll be happy to do that.

 Luis

      reply	other threads:[~2015-01-23 18:58 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-23  0:29 Luis R. Rodriguez
2015-01-23  0:29 ` [RFC v4 1/2] x86/xen: add xen_is_preemptible_hypercall() Luis R. Rodriguez
2015-01-23  1:40   ` Andy Lutomirski
2015-01-27  1:45     ` Luis R. Rodriguez
2015-01-23 11:30   ` [Xen-devel] " David Vrabel
2015-01-23 18:57     ` Luis R. Rodriguez
2015-01-23  0:29 ` [RFC v4 2/2] x86/xen: allow privcmd hypercalls to be preempted Luis R. Rodriguez
2015-01-23  1:40   ` Andy Lutomirski
2015-01-23  1:57     ` Steven Rostedt
2015-01-23 11:45   ` [Xen-devel] " David Vrabel
2015-01-23 18:58     ` Luis R. Rodriguez
2015-01-26 10:46       ` Jan Beulich
2015-01-26 10:47       ` David Vrabel
2015-01-23 19:16     ` Luis R. Rodriguez
2015-01-23 11:51 ` [Xen-devel] [RFC v4 0/2] x86/xen: add xen hypercall preemption David Vrabel
2015-01-23 18:58   ` Luis R. Rodriguez [this message]

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