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Tue, 11 Feb 2025 23:04:52 -0800 (PST) Received: from abityuts-desk1.ger.corp.intel.com ([134.191.196.181]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-ab7e8050dd2sm222571166b.136.2025.02.11.23.04.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 11 Feb 2025 23:04:51 -0800 (PST) Message-ID: <6417e41c8564fccbeb97babb14656988e6b2ac7a.camel@gmail.com> Subject: Re: [PATCH v3] intel_idle: introduce 'no_native' module parameter From: Artem Bityutskiy Reply-To: dedekind1@gmail.com To: David Arcari , linux-pm@vger.kernel.org Cc: Jonathan Corbet , Len Brown , Prarit Bhargava , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Date: Wed, 12 Feb 2025 09:04:49 +0200 In-Reply-To: <20250211132741.99944-1-darcari@redhat.com> References: <20250128141139.2033088-1-darcari@redhat.com> <20250211132741.99944-1-darcari@redhat.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.52.4 (3.52.4-2.fc40) Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 On Tue, 2025-02-11 at 08:27 -0500, David Arcari wrote: > Since commit 18734958e9bf ("intel_idle: Use ACPI _CST for processor model= s > without C-state tables") the intel_idle driver has had the ability to use > the ACPI _CST to populate C-states when the processor model is not > recognized. However, even when the processor model is recognized (native > mode) there are cases where it is useful to make the driver ignore the pe= r > cpu idle states in lieu of ACPI C-states (such as specific application > performance). Add the 'no_native' module parameter to provide this > functionality. >=20 > Cc: Jonathan Corbet > Cc: Jacob Pan > Cc: Len Brown > Cc: David Arcari > Cc: Artem Bityutskiy > Cc: Prarit Bhargava > Cc: linux-doc@vger.kernel.org > Cc: linux-kernel@vger.kernel.org > Signed-off-by: David Arcari > --- > v3: more documentation cleanup > v2: renamed parameter, cleaned up documentation Reviewed-by: Artem Bityutskiy Tested-by: Artem Bityutskiy