From: Shuah Khan <skhan@linuxfoundation.org>
To: Huang Rui <ray.huang@amd.com>,
"Rafael J . Wysocki" <rafael.j.wysocki@intel.com>,
Viresh Kumar <viresh.kumar@linaro.org>,
Borislav Petkov <bp@suse.de>, Ingo Molnar <mingo@kernel.org>,
linux-pm@vger.kernel.org
Cc: Deepak Sharma <deepak.sharma@amd.com>,
Alex Deucher <alexander.deucher@amd.com>,
Mario Limonciello <mario.limonciello@amd.com>,
Nathan Fontenot <nathan.fontenot@amd.com>,
Jinzhou Su <Jinzhou.Su@amd.com>,
Xiaojian Du <Xiaojian.Du@amd.com>,
linux-kernel@vger.kernel.org, x86@kernel.org,
Shuah Khan <skhan@linuxfoundation.org>
Subject: Re: [PATCH 01/19] x86/cpufreatures: add AMD CPPC extension feature flag
Date: Wed, 8 Sep 2021 14:00:04 -0600 [thread overview]
Message-ID: <c8c57be3-5a86-062c-bd5c-5132d05dde3f@linuxfoundation.org> (raw)
In-Reply-To: <20210908150001.3702552-2-ray.huang@amd.com>
On 9/8/21 8:59 AM, Huang Rui wrote:
> Add Collaborative Processor Performance Control Extension feature flag
> for AMD processors.
>
Please add a couple of sentences about the feature and what it does.
> Signed-off-by: Huang Rui <ray.huang@amd.com>
> ---
> arch/x86/include/asm/cpufeatures.h | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h
> index d0ce5cfd3ac1..f7aea50e3371 100644
> --- a/arch/x86/include/asm/cpufeatures.h
> +++ b/arch/x86/include/asm/cpufeatures.h
> @@ -313,6 +313,7 @@
> #define X86_FEATURE_AMD_SSBD (13*32+24) /* "" Speculative Store Bypass Disable */
> #define X86_FEATURE_VIRT_SSBD (13*32+25) /* Virtualized Speculative Store Bypass Disable */
> #define X86_FEATURE_AMD_SSB_NO (13*32+26) /* "" Speculative Store Bypass is fixed in hardware. */
> +#define X86_FEATURE_AMD_CPPC_EXT (13*32+27) /* Collaborative Processor Performance Control Extension */
>
> /* Thermal and Power Management Leaf, CPUID level 0x00000006 (EAX), word 14 */
> #define X86_FEATURE_DTHERM (14*32+ 0) /* Digital Thermal Sensor */
>
thanks,
-- Shuah
next prev parent reply other threads:[~2021-09-08 20:00 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-08 14:59 [PATCH 00/19] cpufreq: introduce a new AMD CPU frequency control mechanism Huang Rui
2021-09-08 14:59 ` [PATCH 01/19] x86/cpufreatures: add AMD CPPC extension feature flag Huang Rui
2021-09-08 20:00 ` Shuah Khan [this message]
2021-09-09 9:45 ` Huang Rui
2021-09-09 17:58 ` Borislav Petkov
2021-09-13 9:48 ` Huang Rui
2021-09-13 13:04 ` Borislav Petkov
2021-09-16 9:30 ` Huang Rui
2021-09-08 14:59 ` [PATCH 02/19] x86/msr: add AMD CPPC MSR definitions Huang Rui
2021-09-08 14:59 ` [PATCH 03/19] ACPI: CPPC: add cppc enable register function Huang Rui
2021-09-08 19:14 ` Fontenot, Nathan
2021-09-09 9:50 ` Huang Rui
2021-09-09 0:21 ` Shuah Khan
2021-09-09 9:58 ` Huang Rui
2021-09-08 14:59 ` [PATCH 04/19] cpufreq: amd: introduce a new amd pstate driver to support future processors Huang Rui
2021-09-09 15:01 ` Peter Zijlstra
2021-09-13 8:11 ` Huang Rui
2021-09-13 8:56 ` Peter Zijlstra
2021-09-13 10:54 ` Huang Rui
2021-09-13 11:56 ` Peter Zijlstra
2021-09-16 10:09 ` Huang Rui
2021-09-16 11:19 ` Rafael J. Wysocki
2021-09-17 3:41 ` Huang Rui
2021-09-09 15:03 ` Peter Zijlstra
2021-09-13 11:55 ` Huang Rui
2021-09-09 19:31 ` Fontenot, Nathan
2021-09-13 11:18 ` Huang Rui
2021-09-08 14:59 ` [PATCH 05/19] cpufreq: amd: add fast switch function for amd-pstate module Huang Rui
2021-09-08 14:59 ` [PATCH 06/19] cpufreq: amd: add acpi cppc function as the backend for legacy processors Huang Rui
2021-09-08 14:59 ` [PATCH 07/19] cpufreq: amd: add trace for amd-pstate module Huang Rui
2021-09-08 14:59 ` [PATCH 08/19] cpufreq: amd: add boost mode support for amd-pstate Huang Rui
2021-09-08 18:24 ` Fontenot, Nathan
2021-09-09 10:12 ` Huang Rui
2021-09-08 14:59 ` [PATCH 09/19] cpufreq: amd: add amd-pstate checking support check attribute Huang Rui
2021-09-08 14:59 ` [PATCH 10/19] cpufreq: amd: add amd-pstate frequencies attributes Huang Rui
2021-09-08 18:13 ` Fontenot, Nathan
2021-09-08 14:59 ` [PATCH 11/19] cpufreq: amd: add amd-pstate performance attributes Huang Rui
2021-09-08 18:20 ` Fontenot, Nathan
2021-09-08 14:59 ` [PATCH 12/19] cpupower: add AMD P-state capability flag Huang Rui
2021-09-08 14:59 ` [PATCH 13/19] cpupower: add the function to check amd-pstate enabled Huang Rui
2021-09-09 22:16 ` Shuah Khan
2021-09-13 11:29 ` Huang Rui
2021-09-08 14:59 ` [PATCH 14/19] cpupower: initial AMD P-state capability Huang Rui
2021-09-09 22:16 ` Shuah Khan
2021-09-13 12:58 ` Huang Rui
2021-09-08 14:59 ` [PATCH 15/19] cpupower: add amd-pstate sysfs entries into libcpufreq Huang Rui
2021-09-09 22:26 ` Shuah Khan
2021-09-16 8:47 ` Huang Rui
2021-09-08 14:59 ` [PATCH 16/19] cpupower: enable boost state support for amd-pstate module Huang Rui
2021-09-08 17:32 ` Fontenot, Nathan
2021-09-09 9:59 ` Huang Rui
2021-09-09 22:42 ` Shuah Khan
2021-09-16 9:27 ` Huang Rui
2021-09-08 14:59 ` [PATCH 17/19] cpupower: add amd-pstate get data function to query the info Huang Rui
2021-09-09 22:45 ` Shuah Khan
2021-09-08 15:00 ` [PATCH 18/19] cpupower: print amd-pstate information on cpupower Huang Rui
2021-09-09 22:46 ` Shuah Khan
2021-09-16 9:29 ` Huang Rui
2021-09-08 15:00 ` [PATCH 19/19] Documentation: amd-pstate: add amd-pstate driver introduction Huang Rui
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