From: Andrew Cooper <andrew.cooper3@citrix.com>
To: Jan Beulich <JBeulich@suse.com>,
xen-devel <xen-devel@lists.xenproject.org>
Cc: Kai Huang <kai.huang@linux.intel.com>,
Kevin Tian <kevin.tian@intel.com>,
Jun Nakajima <jun.nakajima@intel.com>
Subject: Re: [PATCH] x86/EPT: defer enabling of A/D maintenance until PML get enabled
Date: Tue, 29 Sep 2015 13:51:21 +0100 [thread overview]
Message-ID: <560A8949.7010304@citrix.com> (raw)
In-Reply-To: <56096DE002000078000A63EE@prv-mh.provo.novell.com>
On 28/09/15 15:42, Jan Beulich wrote:
> There's no point in enabling the extra feature for every domain when
> we're not meaning to use it (yet). Just setting the flag should be
> sufficient - the domain is required to be paused for PML enabling
> anyway, i.e. hardware will pick up the new setting the next time
> each vCPU of the guest gets scheduled.
>
> Signed-off-by: Jan Beulich <jbeulich@suse.com>
> Cc: Kai Huang <kai.huang@linux.intel.com>
Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>
next prev parent reply other threads:[~2015-09-29 12:51 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-28 14:42 [PATCH] x86/EPT: defer enabling of A/D maintenance until PML get enabled Jan Beulich
2015-09-28 15:00 ` George Dunlap
2015-09-29 12:51 ` Andrew Cooper [this message]
2015-09-30 8:58 ` Kai Huang
2015-09-30 9:54 ` Jan Beulich
2015-09-30 12:45 ` Kai Huang
2015-10-14 1:19 ` Kai Huang
2015-10-14 9:08 ` Kai Huang
2015-10-14 9:26 ` Jan Beulich
2015-10-15 6:42 ` Kai Huang
2015-10-15 7:11 ` Jan Beulich
2015-10-15 7:35 ` Kai Huang
2015-10-15 7:41 ` Kai Huang
2015-10-15 8:26 ` Jan Beulich
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