From: Andrew Cooper <andrew.cooper3@citrix.com>
To: Jan Beulich <JBeulich@suse.com>,
xen-devel <xen-devel@lists.xenproject.org>
Cc: Kevin Tian <kevin.tian@intel.com>, Jun Nakajima <jun.nakajima@intel.com>
Subject: Re: [PATCH] VMX: use non-atomic bitops to manage MSR state
Date: Mon, 20 Jun 2016 13:25:34 +0100 [thread overview]
Message-ID: <229f3322-727a-c09e-666c-f9bf86097c38@citrix.com> (raw)
In-Reply-To: <5767F02202000078000F6A32@prv-mh.provo.novell.com>
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On 20/06/16 12:31, Jan Beulich wrote:
> All host_msr_state accesses are solely on the owning CPU, and all
> guest_msr_state ones solely when the vCPU is current or being switched
> to. This, btw, is also in line with the use of find_first_set_bit()
> (which would be bogus if ->flags could get updated behind its back).
>
> Signed-off-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>
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next prev parent reply other threads:[~2016-06-20 12:25 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-20 11:31 [PATCH] VMX: use non-atomic bitops to manage MSR state Jan Beulich
2016-06-20 12:25 ` Andrew Cooper [this message]
2016-06-23 7:36 ` Tian, Kevin
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