From: Boris Ostrovsky <boris.ostrovsky@oracle.com>
To: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: linux-kernel@vger.kernel.org,
virtualization@lists.linux-foundation.org, mingo@redhat.com,
david.vrabel@citrix.com, luto@kernel.org, hpa@zytor.com,
xen-devel@lists.xenproject.org, tglx@linutronix.de, bp@suse.de
Subject: Re: [PATCH 2/3] x86: irq_enable_sysexit pv op is no longer needed
Date: Wed, 18 Nov 2015 15:34:32 -0500 [thread overview]
Message-ID: <564CE0D8.1030004@oracle.com> (raw)
In-Reply-To: <20151118201152.GA6094@char.us.oracle.com>
On 11/18/2015 03:11 PM, Konrad Rzeszutek Wilk wrote:
> On Wed, Nov 18, 2015 at 03:06:18PM -0500, Boris Ostrovsky wrote:
>> Xen PV guests have been the only ones using it and now they don't.
> Could you elaborate on the 'now they don't' please?
>
> Is Xen not doing it? Did it do it in the past?
>
> Is it because the Linux code paths will never run to this in Xen PV mode?
> Is that due to other patches? If so please mention the name
> of the other patches.. (so if somebody is thinking to put the
> other patches on the stable train they should also take these ones).
Since this is due to the first patch in the series I don't know its
commitID. Should I just refer to patch title?
-boris
WARNING: multiple messages have this Message-ID (diff)
From: Boris Ostrovsky <boris.ostrovsky@oracle.com>
To: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com,
david.vrabel@citrix.com, luto@kernel.org, bp@suse.de,
linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org,
virtualization@lists.linux-foundation.org
Subject: Re: [PATCH 2/3] x86: irq_enable_sysexit pv op is no longer needed
Date: Wed, 18 Nov 2015 15:34:32 -0500 [thread overview]
Message-ID: <564CE0D8.1030004@oracle.com> (raw)
In-Reply-To: <20151118201152.GA6094@char.us.oracle.com>
On 11/18/2015 03:11 PM, Konrad Rzeszutek Wilk wrote:
> On Wed, Nov 18, 2015 at 03:06:18PM -0500, Boris Ostrovsky wrote:
>> Xen PV guests have been the only ones using it and now they don't.
> Could you elaborate on the 'now they don't' please?
>
> Is Xen not doing it? Did it do it in the past?
>
> Is it because the Linux code paths will never run to this in Xen PV mode?
> Is that due to other patches? If so please mention the name
> of the other patches.. (so if somebody is thinking to put the
> other patches on the stable train they should also take these ones).
Since this is due to the first patch in the series I don't know its
commitID. Should I just refer to patch title?
-boris
next prev parent reply other threads:[~2015-11-18 20:34 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-18 20:06 [PATCH 0/3] Fix and cleanup for 32-bit PV sysexit Boris Ostrovsky
2015-11-18 20:06 ` [PATCH 1/3] x86/xen: Avoid fast syscall path for Xen PV guests Boris Ostrovsky
2015-11-18 20:06 ` Boris Ostrovsky
2015-11-18 20:21 ` Andy Lutomirski
2015-11-18 20:21 ` Andy Lutomirski
2015-11-18 20:21 ` Andy Lutomirski
2015-11-18 20:47 ` Borislav Petkov
2015-11-18 20:47 ` Borislav Petkov
2015-11-18 20:47 ` Borislav Petkov
2015-11-18 20:50 ` Brian Gerst
2015-11-18 20:50 ` Brian Gerst
2015-11-18 20:58 ` Andy Lutomirski
2015-11-18 20:58 ` Andy Lutomirski
2015-11-18 20:58 ` Andy Lutomirski
2015-11-18 22:05 ` Boris Ostrovsky
2015-11-18 22:05 ` Boris Ostrovsky
2015-11-18 22:05 ` Boris Ostrovsky
2015-11-18 20:50 ` Brian Gerst
2015-11-19 12:08 ` Borislav Petkov
2015-11-19 12:08 ` Borislav Petkov
2015-11-19 12:08 ` Borislav Petkov
2015-11-18 20:06 ` Boris Ostrovsky
2015-11-18 20:06 ` [PATCH 2/3] x86: irq_enable_sysexit pv op is no longer needed Boris Ostrovsky
2015-11-18 20:06 ` Boris Ostrovsky
2015-11-18 20:06 ` Boris Ostrovsky
2015-11-18 20:11 ` Konrad Rzeszutek Wilk
2015-11-18 20:34 ` Boris Ostrovsky [this message]
2015-11-18 20:34 ` Boris Ostrovsky
2015-11-18 21:16 ` Konrad Rzeszutek Wilk
2015-11-18 20:34 ` Boris Ostrovsky
2015-11-18 20:23 ` Andy Lutomirski
2015-11-18 20:23 ` Andy Lutomirski
2015-11-18 20:23 ` Andy Lutomirski
2015-11-18 20:06 ` [PATCH 3/3] x86: usergs_sysret32 " Boris Ostrovsky
2015-11-18 20:06 ` Boris Ostrovsky
2015-11-18 20:26 ` Andy Lutomirski
2015-11-18 20:26 ` Andy Lutomirski
2015-11-18 20:26 ` Andy Lutomirski
2015-11-18 20:06 ` Boris Ostrovsky
2015-11-19 12:10 ` [PATCH 0/3] Fix and cleanup for 32-bit PV sysexit Borislav Petkov
2015-11-19 12:10 ` Borislav Petkov
2015-11-19 12:10 ` Borislav Petkov
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