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Re: [Xen-devel] [PATCH] x86/vPMU: don't blindly assume IA32_PERF_CAPABILITIES MSR exists
- To: Jan Beulich <jbeulich@xxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- Date: Wed, 26 Feb 2020 10:09:17 +0000
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- Cc: Roger Pau Monné <roger.pau@xxxxxxxxxx>, "Hao, Xudong" <xudong.hao@xxxxxxxxx>, Wei Liu <wl@xxxxxxx>, "Chen, Farrah" <farrah.chen@xxxxxxxxx>, "Gao, Chao" <chao.gao@xxxxxxxxx>
- Delivery-date: Wed, 26 Feb 2020 10:09:26 +0000
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- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 26/02/2020 09:19, Jan Beulich wrote:
> Just like VMX'es lbr_tsx_fixup_check() the respective CPUID bit should
> be consulted first.
>
> Reported-by: Farrah Chen <farrah.chen@xxxxxxxxx>
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
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