From: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
To: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
x86@kernel.org, daniel.sneddon@linux.intel.com,
tony.luck@intel.com, linux-kernel@vger.kernel.org,
linux-pm@vger.kernel.org, linux-perf-users@vger.kernel.org,
Josh Poimboeuf <jpoimboe@kernel.org>,
Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>,
Ricardo Neri <ricardo.neri-calderon@linux.intel.com>,
"Liang, Kan" <kan.liang@linux.intel.com>,
Andrew Cooper <andrew.cooper3@citrix.com>,
Brice Goglin <brice.goglin@gmail.com>,
Mario Limonciello <mario.limonciello@amd.com>,
Perry Yuan <Perry.Yuan@amd.com>,
Dapeng Mi <dapeng1.mi@linux.intel.com>
Subject: Re: [PATCH PATCH v2 2/9] cpufreq: intel_pstate: Use topology_cpu_type()
Date: Mon, 1 Jul 2024 10:14:56 -0700 [thread overview]
Message-ID: <20240701171456.ahmlmm7vb3gk5rcg@desk> (raw)
In-Reply-To: <CAJZ5v0g+ih6Yh3su58Wrj+p04vr_4nmcJc41O-8_OCyzVQFKpA@mail.gmail.com>
On Mon, Jul 01, 2024 at 07:08:41PM +0200, Rafael J. Wysocki wrote:
> On Thu, Jun 27, 2024 at 10:44 PM Pawan Gupta
> <pawan.kumar.gupta@linux.intel.com> wrote:
> >
> > Intel pstate driver uses hybrid_get_type() to get the cpu-type of a given
> > CPU. It uses smp_call_function_single() which is sub-optimal. Avoid it by
> > using topology_hw_cpu_type(cpu) that returns the cached cpu-type.
> >
> > Suggested-by: Dave Hansen <dave.hansen@linux.intel.com>
> > Signed-off-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
> > Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
>
> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Thanks.
> and I'm assuming that it will be routed along with the rest of the series.
I believe yes, as it has a dependency on the first patch.
next prev parent reply other threads:[~2024-07-01 17:15 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-27 20:44 [PATCH v2 0/9] Add CPU-type to topology Pawan Gupta
2024-06-27 20:44 ` [PATCH PATCH v2 1/9] x86/cpu/topology: Add CPU type to struct cpuinfo_topology Pawan Gupta
2024-06-28 8:03 ` Borislav Petkov
2024-06-28 17:32 ` [PATCH " Pawan Gupta
2024-07-03 23:07 ` Borislav Petkov
2024-07-09 1:24 ` Pawan Gupta
2024-07-09 12:45 ` Borislav Petkov
2024-06-27 20:44 ` [PATCH PATCH v2 2/9] cpufreq: intel_pstate: Use topology_cpu_type() Pawan Gupta
2024-07-01 17:08 ` Rafael J. Wysocki
2024-07-01 17:14 ` Pawan Gupta [this message]
2024-06-27 20:44 ` [PATCH PATCH v2 3/9] perf/x86/intel: Use topology_hw_cpu_type() Pawan Gupta
2024-06-28 8:59 ` Mi, Dapeng
2024-06-28 18:51 ` [PATCH " Pawan Gupta
2024-07-01 3:37 ` Mi, Dapeng
2024-07-01 17:32 ` Pawan Gupta
2024-06-27 20:44 ` [PATCH PATCH v2 4/9] x86/cpu: Remove get_this_hybrid_cpu_type() Pawan Gupta
2024-06-27 20:44 ` [PATCH PATCH v2 5/9] x86/cpu: Name CPU matching macro more generically (and shorten) Pawan Gupta
2024-06-27 20:44 ` [PATCH PATCH v2 6/9] x86/cpu: Add cpu_type to struct x86_cpu_id Pawan Gupta
2024-06-27 20:44 ` [PATCH PATCH v2 7/9] x86/cpu: Update x86_match_cpu() to also use cpu-type Pawan Gupta
2024-06-27 20:44 ` [PATCH PATCH v2 8/9] x86/bugs: Declutter vulnerable CPU list Pawan Gupta
2024-07-03 1:00 ` Josh Poimboeuf
2024-07-03 18:09 ` Pawan Gupta
2024-06-27 20:44 ` [PATCH PATCH v2 9/9] x86/rfds: Exclude P-only parts from the RFDS affected list Pawan Gupta
2024-07-03 1:04 ` Josh Poimboeuf
2024-07-03 18:26 ` Pawan Gupta
2024-07-03 22:04 ` Josh Poimboeuf
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