linux-kernel - Re: [PATCH] cpufreq: intel_pstate: Add Emerald Rapids support in no-HWP mode

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 linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date: Tue, 19 Dec 2023 21:39:25 +0100
From: "Rafael J. Wysocki" <rafael@...nel.org>
To: srinivas pandruvada <srinivas.pandruvada@...ux.intel.com>, 
	Zhenguo Yao <yaozhenguo1@...il.com>
Cc: lenb@...nel.org, viresh.kumar@...aro.org, linux-pm@...r.kernel.org, 
	linux-kernel@...r.kernel.org, yaozhenguo@...com
Subject: Re: [PATCH] cpufreq: intel_pstate: Add Emerald Rapids support in
 no-HWP mode

On Tue, Dec 19, 2023 at 9:33 PM srinivas pandruvada
<srinivas.pandruvada@...ux.intel.com> wrote:
>
> On Tue, 2023-12-19 at 21:22 +0100, Rafael J. Wysocki wrote:
> > On Wed, Dec 13, 2023 at 11:28 AM Zhenguo Yao <yaozhenguo1@...il.com>
> > wrote:
> > >
> > > Users may disable HWP in firmware, in which case intel_pstate
> > > wouldn't load
> > > unless the CPU model is explicitly supported.
> > >
> > > See also the following past commits:
> > >
> > > commit df51f287b5de ("cpufreq: intel_pstate: Add Sapphire Rapids
> > > support
> > > in no-HWP mode")
> > > commit d8de7a44e11f ("cpufreq: intel_pstate: Add Skylake servers
> > > support")
> > > commit 706c5328851d ("cpufreq: intel_pstate: Add Cometlake support
> > > in
> > > no-HWP mode")
> > > commit fbdc21e9b038 ("cpufreq: intel_pstate: Add Icelake servers
> > > support in
> > > no-HWP mode")
> > > commit 71bb5c82aaae ("cpufreq: intel_pstate: Add Tigerlake support
> > > in
> > > no-HWP mode")
> > >
> > > Signed-off-by: Zhenguo Yao <yaozhenguo1@...il.com>
> >
> > Srinivas, any objections?
> No.
>
> Acked-by: Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>

Applied as 6.8 material (with some minor edits in the changelog), thanks!