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Tue, 27 Oct 2026 14:46:14 -0700 (PDT) Received: from DougS18 ([66.183.142.209]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3ae5a9a60f8sm33185a91.11.2026.10.27.14.46.13 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 27 Oct 2026 14:46:14 -0700 (PDT) From: "Doug Smythies" To: "'Rafael J. Wysocki \(Intel\)'" , "'Zak'" Cc: , "'Srinivas Pandruvada'" , "'Viresh Kumar'" , , "Doug Smythies" References: <20261027143725.3763827-1-zakbrightonknight@gmail.com> <001101dd6631$6167dbd0$24379370$@telus.net> In-Reply-To: Subject: RE: [PATCH] cpufreq: intel_pstate: Restore P-state request on resume without HWP Date: Tue, 27 Oct 2026 14:46:15 -0700 Message-ID: <004401dd665c$97eda060$c7c8e120$@telus.net> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Mailer: Microsoft Outlook 16.0 Content-Language: en-ca Thread-Index: AQG+ka4iSAouj32QbdBtcmCOlo9WegIHF20PAY25hX23Mu5WwA== On 2026.10.27 Rafael wrote: > On Tue, Oct 27, 2026 at 5:36=E2=80=AFPM Doug Smythies = wrote:> >> On 2026.10.27 07:37 Zak Brighton Knight wrote: ... >> I confirm your findings and tested your proposed patch. It all worked = fine. >> I had not seen Rafaels's reply about a possible race condition until = now. >> >> Test computer: i5-10600K, 6 cores, 12 CPUs, HWP disabled. > > Passive or active mode? Apologies for the incomplete report. Passive mode has the issue. Active mode was fine without the need for = the patch. ... Doug