From mboxrd@z Thu Jan  1 00:00:00 1970
From: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Subject: Re: [PATCH v3 01/13] x86/time.c: Use correct guest TSC
 frequency in tsc_set_info()
Date: Mon, 4 Jan 2016 12:44:47 -0500
Message-ID: <568AAF8F.5050507@oracle.com>
References: <1451531020-29964-1-git-send-email-haozhong.zhang@intel.com>
	<1451531020-29964-2-git-send-email-haozhong.zhang@intel.com>
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To: Haozhong Zhang <haozhong.zhang@intel.com>, xen-devel@lists.xen.org, Jan Beulich <jbeulich@suse.com>, Kevin Tian <kevin.tian@intel.com>
Cc: Jun Nakajima <jun.nakajima@intel.com>, Andrew Cooper <andrew.cooper3@citrix.com>, Keir Fraser <keir@xen.org>, Aravind Gopalakrishnan <Aravind.Gopalakrishnan@amd.com>, Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
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On 12/30/2015 10:03 PM, Haozhong Zhang wrote:
> When TSC_MODE_PVRDTSCP is used for a HVM container and TSC scaling is
> available, use the non-zero value of argument gtsc_khz of tsc_set_info()
> as the guest TSC frequency rather than using the host TSC
> frequency. Otherwise, TSC scaling will not be able get the correct ratio
> between the host and guest TSC frequencies.
>
> Signed-off-by: Haozhong Zhang <haozhong.zhang@intel.com>

Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>