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linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, catalin.marinas@arm.com, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com, pbonzini@redhat.com, wanpengli@tencent.com, vkuznets@redhat.com, rafael@kernel.org, daniel.lezcano@linaro.org, peterz@infradead.org, arnd@arndb.de, lenb@kernel.org, mark.rutland@arm.com, harisokn@amazon.com, mtosatti@redhat.com, sudeep.holla@arm.com, cl@gentwo.org, misono.tomohiro@fujitsu.com, maobibo@loongson.cn, joao.m.martins@oracle.com, boris.ostrovsky@oracle.com, konrad.wilk@oracle.com Subject: Re: [PATCH v7 07/10] arm64: define TIF_POLLING_NRFLAG In-reply-to: <20240903081040.GA12270@willie-the-truck> Message-ID: <877cbso2y6.fsf@oracle.com> Date: Tue, 03 Sep 2024 14:13:53 -0700 Content-Type: text/plain X-ClientProxiedBy: MW4PR03CA0071.namprd03.prod.outlook.com (2603:10b6:303:b6::16) To CO6PR10MB5409.namprd10.prod.outlook.com (2603:10b6:5:357::14) MIME-Version: 1.0 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sfid-20240903_141424_966337_CBFBF8B7 X-CRM114-Status: GOOD ( 12.13 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Will Deacon writes: > On Fri, Aug 30, 2024 at 03:28:41PM -0700, Ankur Arora wrote: >> From: Joao Martins >> >> Commit 842514849a61 ("arm64: Remove TIF_POLLING_NRFLAG") had removed >> TIF_POLLING_NRFLAG because arm64 only supported non-polled idling via >> cpu_do_idle(). >> >> To add support for polling via cpuidle-haltpoll, we want to use the >> standard poll_idle() interface, which sets TIF_POLLING_NRFLAG while >> polling. >> >> Reuse the same bit to define TIF_POLLING_NRFLAG. >> >> Signed-off-by: Joao Martins >> Signed-off-by: Mihai Carabas >> Reviewed-by: Christoph Lameter >> Signed-off-by: Ankur Arora >> --- >> arch/arm64/include/asm/thread_info.h | 2 ++ >> 1 file changed, 2 insertions(+) > > Acked-by: Will Deacon Thanks! -- ankur