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From: Jan Beulich <jbeulich@suse.com>
To: Krister Johansen <kjlx@templeofstupid.com>
Cc: "Andrew Cooper" <andrew.cooper3@citrix.com>,
	"Roger Pau Monné" <roger.pau@citrix.com>, "Wei Liu" <wl@xen.org>,
	"Juergen Gross" <jgross@suse.com>,
	"Boris Ostrovsky" <boris.ostrovsky@oracle.com>,
	"David Reaver" <me@davidreaver.com>,
	xen-devel@lists.xenproject.org
Subject: Re: [PATCH v4] xen/x86: public: add TSC defines for cpuid leaf 4
Date: Tue, 31 Jan 2023 09:42:38 +0100	[thread overview]
Message-ID: <42feefa9-d969-4d13-e1d9-4b68635013d9@suse.com> (raw)
In-Reply-To: <20230130174459.GB2001@templeofstupid.com>

On 30.01.2023 18:44, Krister Johansen wrote:
> Cpuid leaf 4 contains information about how the state of the tsc, its
> mode, and some additional information.  A commit that is queued for
> linux would like to use this to determine whether the tsc mode has been
> set to 'no emulation' in order to make some decisions about which
> clocksource is more reliable.
> 
> Expose this information in the public API headers so that they can
> subsequently be imported into linux and used there.
> 
> Link: https://lore.kernel.org/xen-devel/eda8d9f2-3013-1b68-0df8-64d7f13ee35e@suse.com/
> Link: https://lore.kernel.org/xen-devel/0835453d-9617-48d5-b2dc-77a2ac298bad@oracle.com/
> Signed-off-by: Krister Johansen <kjlx@templeofstupid.com>

As said:
Reviewed-by: Jan Beulich <jbeulich@suse.com>

Jan


      reply	other threads:[~2023-01-31  8:43 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-24 22:35 [PATCH] xen/x86: public: add TSC defines for cpuid leaf 4 Krister Johansen
2023-01-25  6:57 ` Jan Beulich
2023-01-25 18:31   ` Krister Johansen
2023-01-25 18:45 ` [PATCH v2] " Krister Johansen
2023-01-26  8:57   ` Jan Beulich
2023-01-26 17:54     ` Krister Johansen
2023-01-26  9:57   ` Jan Beulich
2023-01-26 18:02     ` Krister Johansen
2023-01-27  7:16       ` Jan Beulich
2023-01-27 18:37         ` Krister Johansen
2023-01-27 18:51         ` [PATCH v3] " Krister Johansen
2023-01-30  8:22           ` Jan Beulich
2023-01-30 17:43             ` Krister Johansen
2023-01-30 17:44             ` [PATCH v4] " Krister Johansen
2023-01-31  8:42               ` Jan Beulich [this message]

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