From: Boris Ostrovsky <boris.ostrovsky@oracle.com>
To: Pu Wen <puwen@hygon.cn>,
tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com,
x86@kernel.org, thomas.lendacky@amd.com, bp@alien8.de,
pbonzini@redhat.com, jgross@suse.com, JBeulich@suse.com
Cc: linux-arch@vger.kernel.org, xen-devel@lists.xenproject.org,
linux-kernel@vger.kernel.org
Subject: Re: [Xen-devel] [PATCH v4 12/16] x86/xen: enable Hygon support to Xen
Date: Mon, 20 Aug 2018 21:43:43 -0400 [thread overview]
Message-ID: <5917160e-4cbe-7940-ee73-70fc8086df12@oracle.com> (raw)
In-Reply-To: <044e5e9082d57c10a36a16a9da6404f976d7ae55.1534599097.git.puwen@hygon.cn>
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@hygon.cn>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
next prev parent reply other threads:[~2018-08-21 1:43 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-19 16:07 [PATCH v4 00/16] Add support for Hygon Dhyana Family 18h processor Pu Wen
2018-08-19 16:08 ` [PATCH v4 01/16] x86/cpu: create Dhyana init file and register new cpu_dev to system Pu Wen
2018-08-19 16:09 ` [PATCH v4 02/16] x86/cache: get cache size/leaves and setup cache cpumap for Dhyana Pu Wen
2018-08-19 16:09 ` [PATCH v4 03/16] x86/mtrr: get MTRR number and support TOP_MEM2 Pu Wen
2018-08-19 16:09 ` [PATCH v4 04/16] x86/smpboot: smp init nodelay and no flush caches before sleep Pu Wen
2018-08-19 16:10 ` [PATCH v4 05/16] x86/pmu: enable Hygon support to PMU infrastructure Pu Wen
2018-08-19 16:10 ` [PATCH v4 06/16] x86/nops: init ideal_nops for Hygon Pu Wen
2018-08-19 16:10 ` [PATCH v4 07/16] x86/pci: add Hygon PCI vendor and northbridge support Pu Wen
2018-08-19 16:11 ` [PATCH v4 08/16] x86/apic: add modern APIC support for Hygon Pu Wen
2018-08-19 16:12 ` [PATCH v4 09/16] x86/bugs: add lfence mitigation to spectre v2 and no meltdown " Pu Wen
2018-08-19 16:12 ` [PATCH v4 10/16] x86/mce: enable Hygon support to MCE infrastructure Pu Wen
2018-08-19 16:13 ` [PATCH v4 11/16] x86/kvm: enable Hygon support to KVM infrastructure Pu Wen
2018-08-19 16:13 ` [PATCH v4 12/16] x86/xen: enable Hygon support to Xen Pu Wen
2018-08-21 1:43 ` Boris Ostrovsky [this message]
2018-08-19 16:14 ` [PATCH v4 13/16] driver/acpi: enable Hygon support to ACPI driver Pu Wen
2018-08-19 16:14 ` [PATCH v4 14/16] driver/cpufreq: enable Hygon support to cpufreq driver Pu Wen
2018-08-19 16:14 ` [PATCH v4 15/16] driver/edac: enable Hygon support to AMD64 EDAC driver Pu Wen
2018-08-21 8:13 ` Borislav Petkov
2018-08-21 11:04 ` Pu Wen
2018-08-21 11:20 ` Borislav Petkov
2018-08-21 11:26 ` Paolo Bonzini
2018-08-21 13:04 ` Borislav Petkov
2018-08-21 18:07 ` Pavel Machek
2018-08-22 13:18 ` Pu Wen
2018-08-22 13:07 ` Pu Wen
2018-08-23 8:27 ` Borislav Petkov
2018-08-19 16:15 ` [PATCH v4 16/16] tools/cpupower: enable Hygon support to cpupower tool Pu Wen
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