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From: "Luis R. Rodriguez" <mcgrof@suse.com>
To: David Vrabel <david.vrabel@citrix.com>
Cc: Jan Beulich <JBeulich@suse.com>,
	"Luis R. Rodriguez" <mcgrof@do-not-panic.com>,
	Andy Lutomirski <luto@amacapital.net>,
	rostedt@goodmis.org,
	Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>,
	x86@kernel.org, Thomas Gleixner <tglx@linutronix.de>,
	paulmck@linux.vnet.ibm.com, xen-devel@lists.xenproject.org,
	boris.ostrovsky@oracle.com, konrad.wilk@oracle.com,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@suse.de>,
	kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
	"H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [PATCH v5 2/2] x86/xen: allow privcmd hypercalls to be preempted on 64-bit
Date: Tue, 27 Jan 2015 21:12:59 +0100	[thread overview]
Message-ID: <20150127201259.GB19988@wotan.suse.de> (raw)
In-Reply-To: <54C76334.2080003@citrix.com>

On Tue, Jan 27, 2015 at 10:06:44AM +0000, David Vrabel wrote:
> On 27/01/15 08:35, Jan Beulich wrote:
> >>>> On 27.01.15 at 02:51, <mcgrof@do-not-panic.com> wrote:
> > 
> > Even if David told you this would be acceptable, I have to question
> > an abstract model of fixing issues on only 64-bit kernels - this may
> > be acceptable for distro purposes, but seems hardly the right
> > approach for upstream. If 32-bit ones are to become deliberately
> > broken, the XEN config option should become dependent on !X86_32.
> 
> I'd rather have something omitted (keeping the current behaviour) than
> something that has not been tested at all.
> 
> Obviously it would be preferable to to fix both 32-bit and 64-bit x86
> (and ARM as well) but I'm not going to block an important bug fix for
> the majority use case (64-bit x86).

The hunk for 32-bit should indeed only go in once we get a Tested-by.
Please let me know if there is anything else needed for this patch.

  Luis

  reply	other threads:[~2015-01-27 20:13 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-27  1:51 [PATCH v5 0/2] x86/xen: add xen hypercall preemption Luis R. Rodriguez
2015-01-27  1:51 ` [PATCH v5 1/2] xen: add xen_is_preemptible_hypercall() Luis R. Rodriguez
2015-02-03 11:05   ` [Xen-devel] " David Vrabel
2015-02-03 18:03     ` Luis R. Rodriguez
2015-01-27  1:51 ` [PATCH v5 2/2] x86/xen: allow privcmd hypercalls to be preempted on 64-bit Luis R. Rodriguez
2015-01-27  8:35   ` Jan Beulich
2015-01-27 10:01     ` [Xen-devel] " Andrew Cooper
2015-01-27 10:06     ` David Vrabel
2015-01-27 20:12       ` Luis R. Rodriguez [this message]
2015-01-29 20:35       ` Luis R. Rodriguez
2015-02-03  0:24         ` Luis R. Rodriguez
2015-02-03  9:58           ` David Vrabel
2015-02-05 12:47 ` [Xen-devel] [PATCH v5 0/2] x86/xen: add xen hypercall preemption David Vrabel
2015-02-05 18:15   ` Luis R. Rodriguez

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