linux-kernel - Re: [PATCH PATCH 2/9] cpufreq: intel_pstate: Use topology_cpu

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Message-ID: <20240617183654.3rf6igiqp55pujrj@desk>
Date: Mon, 17 Jun 2024 11:36:54 -0700
From: Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>
To: srinivas pandruvada <srinivas.pandruvada@...ux.intel.com>
Cc: Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>,
	Borislav Petkov <bp@...en8.de>,
	Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
	daniel.sneddon@...ux.intel.com, tony.luck@...el.com,
	linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
	linux-perf-users@...r.kernel.org,
	Josh Poimboeuf <jpoimboe@...nel.org>,
	"Rafael J. Wysocki" <rafael@...nel.org>,
	Ricardo Neri <ricardo.neri-calderon@...ux.intel.com>,
	"Liang, Kan" <kan.liang@...ux.intel.com>,
	Andrew Cooper <andrew.cooper3@...rix.com>
Subject: Re: [PATCH PATCH 2/9] cpufreq: intel_pstate: Use topology_cpu_type()
 to get cpu-type

On Mon, Jun 17, 2024 at 02:27:02AM -0700, srinivas pandruvada wrote:
> On Mon, 2024-06-17 at 02:11 -0700, Pawan Gupta 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 and can
> > be
> > avoided as cpu-type is also available in the per-cpu topology
> > structure.
> > 
> > Use topology_cpu_type() to get the cpu-type.
> > 
> > Signed-off-by: Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>
> Acked-by: Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>

Thanks.