From: "Jan Beulich" <JBeulich@suse.com>
To: "Juergen Gross" <jgross@suse.com>
Cc: <x86@kernel.org>, <tglx@linutronix.de>,
<xen-devel@lists.xenproject.org>, <boris.ostrovsky@oracle.com>,
<mingo@redhat.com>, <linux-kernel@vger.kernel.org>,
<stable@vger.kernel.org>, <hpa@zytor.com>
Subject: Re: [PATCH] x86/xen: zero MSR_IA32_SPEC_CTRL before suspend
Date: Mon, 26 Feb 2018 09:17:16 -0700 [thread overview]
Message-ID: <5A94411C02000078001ABDF1@prv-mh.provo.novell.com> (raw)
In-Reply-To: <20180226140818.4849-1-jgross@suse.com>
>>> On 26.02.18 at 15:08, <jgross@suse.com> wrote:
> Older Xen versions (4.5 and before) might have problems migrating pv
> guests with MSR_IA32_SPEC_CTRL having a non-zero value. So before
> suspending zero that MSR and restore it after being resumed.
>
> Cc: stable@vger.kernel.org
> Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
next prev parent reply other threads:[~2018-02-26 16:17 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-26 14:08 [PATCH] x86/xen: zero MSR_IA32_SPEC_CTRL before suspend Juergen Gross
2018-02-26 16:17 ` Jan Beulich [this message]
2018-02-28 15:07 ` [tip:x86/pti] x86/xen: Zero " tip-bot for Juergen Gross
2018-03-14 8:48 ` [PATCH] x86/xen: zero " Jan Beulich
[not found] ` <5AA8F00302000078001B15EE@suse.com>
2018-04-11 7:08 ` Juergen Gross
2018-04-11 9:15 ` Jan Beulich
2018-04-11 11:53 ` [Xen-devel] " Ingo Molnar
2018-04-11 11:58 ` Jan Beulich
2018-04-12 7:32 ` Ingo Molnar
2018-04-12 7:53 ` Jan Beulich
2018-04-12 8:08 ` Ingo Molnar
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