From: Boris Ostrovsky <boris.ostrovsky@oracle.com>
To: Dietmar Hahn <dietmar.hahn@ts.fujitsu.com>
Cc: kevin.tian@intel.com, david.vrabel@citrix.com, JBeulich@suse.com,
xen-devel@lists.xen.org
Subject: Re: [PATCH v2 2/6] xen/PMU: Sysfs interface for setting Xen PMU mode
Date: Wed, 11 Jun 2014 08:53:13 -0400 [thread overview]
Message-ID: <53985139.4090207@oracle.com> (raw)
In-Reply-To: <3204370.dMhetdKWtN@amur>
On 06/11/2014 06:13 AM, Dietmar Hahn wrote:
>
> +
> +
> +/*
> + * PMU features:
> + * - XENPMU_FEATURE_INTEL_BTS: Intel BTS support (ignored on AMD)
> + */
> +#define XENPMU_FEATURE_INTEL_BTS 1
> Is this XENPMU_FEATURE_INTEL_BTS really needed on the the linux side?
> I would think it's a hypervisor internal feature.
Features are controlled (enabled/disabled) by dom0 via
/sys/hypervisor/pmu/pmu_features so we need to have dom0 and the
hypervisor agree on what the bits mean.
-boris
next prev parent reply other threads:[~2014-06-11 12:53 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-06 17:44 [PATCH v2 0/6] xen/PMU: PMU support for Xen PV guests Boris Ostrovsky
2014-06-06 17:44 ` [PATCH v2 1/6] xen: xensyms support Boris Ostrovsky
2014-06-10 13:31 ` David Vrabel
2014-06-10 14:49 ` Boris Ostrovsky
2014-06-10 14:51 ` Jan Beulich
2014-06-10 15:03 ` Boris Ostrovsky
2014-06-10 15:21 ` Jan Beulich
2014-06-10 15:45 ` Boris Ostrovsky
2014-06-10 16:13 ` Jan Beulich
2014-06-11 9:37 ` Dietmar Hahn
2014-06-06 17:44 ` [PATCH v2 2/6] xen/PMU: Sysfs interface for setting Xen PMU mode Boris Ostrovsky
2014-06-06 20:19 ` Konrad Rzeszutek Wilk
2014-06-10 13:33 ` David Vrabel
2014-06-10 13:48 ` David Vrabel
2014-06-10 14:52 ` Boris Ostrovsky
2014-06-11 10:13 ` Dietmar Hahn
2014-06-11 12:53 ` Boris Ostrovsky [this message]
2014-06-11 13:12 ` Dietmar Hahn
2014-06-06 17:44 ` [PATCH v2 3/6] xen/PMU: Initialization code for Xen PMU Boris Ostrovsky
2014-06-06 18:57 ` Andrew Cooper
2014-06-06 19:51 ` Boris Ostrovsky
2014-06-06 17:44 ` [PATCH v2 4/6] xen/PMU: Describe vendor-specific PMU registers Boris Ostrovsky
2014-06-10 14:11 ` David Vrabel
2014-06-10 15:29 ` Boris Ostrovsky
2014-06-06 17:44 ` [PATCH v2 5/6] xen/PMU: Intercept PMU-related MSR and APIC accesses Boris Ostrovsky
2014-06-12 6:56 ` Dietmar Hahn
2014-06-12 14:50 ` Boris Ostrovsky
2014-06-06 17:44 ` [PATCH v2 6/6] xen/PMU: PMU emulation code Boris Ostrovsky
2014-06-10 13:57 ` [PATCH v2 0/6] xen/PMU: PMU support for Xen PV guests David Vrabel
2014-06-10 15:27 ` Boris Ostrovsky
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