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 5/6] xen/PMU: Intercept PMU-related MSR and APIC accesses
Date: Thu, 12 Jun 2014 10:50:01 -0400 [thread overview]
Message-ID: <5399BE19.1060501@oracle.com> (raw)
In-Reply-To: <1925712.eaaqM1o2gH@amur>
On 06/12/2014 02:56 AM, Dietmar Hahn wrote:
>
> +
> +unsigned long long xen_intel_read_pmc(int counter)
> +{
> + int err;
> + uint32_t msr;
> +
> + if (counter & (1<<30))
> What means the 30? Should be a #define ...?
Bit 30 of the counter determines whether the counter is general-purpose
or fixed.
Even though this is used only once I suppose I could make a define for
it since there are a couple of other macros like that.
-boris
next prev parent reply other threads:[~2014-06-12 14:50 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
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 [this message]
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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