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Tue, 24 Nov 2020 16:56:20 +0000 MIME-Version: 1.0 Date: Tue, 24 Nov 2020 16:56:19 +0000 From: Marc Zyngier To: Peter Zijlstra Subject: Re: [PATCH v2 2/6] genirq: Allow an interrupt to be marked as 'raw' In-Reply-To: <20201124162609.GK2414@hirez.programming.kicks-ass.net> References: <20201124141449.572446-1-maz@kernel.org> <20201124141449.572446-3-maz@kernel.org> <20201124162609.GK2414@hirez.programming.kicks-ass.net> User-Agent: Roundcube Webmail/1.4.9 Message-ID: <8235a7217b88bc0192eb387ee2be005d@kernel.org> X-Sender: maz@kernel.org X-SA-Exim-Connect-IP: 51.254.78.96 X-SA-Exim-Rcpt-To: peterz@infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, will@kernel.org, catalin.marinas@arm.com, tglx@linutronix.de, Valentin.Schneider@arm.com, mark.rutland@arm.com, linux@arm.linux.org.uk, kernel-team@android.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201124_115623_132955_05AD3689 X-CRM114-Status: GOOD ( 14.85 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , Android Kernel Team , Russell King , Catalin Marinas , linux-kernel , Thomas Gleixner , Will Deacon , Valentin Schneider , LAK Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 2020-11-24 16:26, Peter Zijlstra wrote: > On Tue, Nov 24, 2020 at 02:14:45PM +0000, Marc Zyngier wrote: >> Some interrupts (such as the rescheduling IPI) rely on not going >> through >> the irq_enter()/irq_exit() calls. To distinguish such interrupts, add >> a new IRQ flag that allows the low-level handling code to sidestep the >> enter()/exit() calls. > > Well, not quite. The scheduler_ipi() function is perfectly fine being > called with irq_enter/irq_exit. As per this very series, that's your > current reality. > > The function just doesn't need it. Yup, definitely a very bad choice of words here. /me goes and repaint the commit message. Thanks, M. -- Jazz is not dead. It just smells funny... _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel