lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:   Mon, 20 Aug 2018 21:43:43 -0400
From:   Boris Ostrovsky <boris.ostrovsky@...cle.com>
To:     Pu Wen <puwen@...on.cn>, tglx@...utronix.de, mingo@...hat.com,
        hpa@...or.com, x86@...nel.org, thomas.lendacky@....com,
        bp@...en8.de, pbonzini@...hat.com, jgross@...e.com,
        JBeulich@...e.com
Cc:     linux-arch@...r.kernel.org, xen-devel@...ts.xenproject.org,
        linux-kernel@...r.kernel.org
Subject: Re: [Xen-devel] [PATCH v4 12/16] x86/xen: enable Hygon support to Xen

On 08/19/2018 12:13 PM, Pu Wen wrote:
> To make Xen works functionly on Hygon platforms, reuse AMD's Xen support
> code path for Hygon.
>
> There are six core performance events counters per thread, so there are
> six MSRs for these counters(0-5). Also there are four legacy PMC MSRs,
> they are alias of the counters(0-3).
>
> In this version of kernel Hygon use the lagacy and safe versions of MSR
> access. It works fine when VPMU enabled in Xen on Hygon platforms by
> testing with perf.
>
> Signed-off-by: Pu Wen <puwen@...on.cn>

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


Powered by blists - more mailing lists