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Thu, 15 Feb 2024 15:19:02 +0000 Date: Thu, 15 Feb 2024 15:19:02 +0000 Message-ID: <86le7l4uxl.wl-maz@kernel.org> From: Marc Zyngier To: Oliver Upton Cc: Marek Szyprowski , kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, James Morse , Suzuki K Poulose , Zenghui Yu , Catalin Marinas , Will Deacon Subject: Re: [PATCH 2/2] arm64: cpufeatures: Only check for NV1 if NV is present In-Reply-To: References: <20240212144736.1933112-1-maz@kernel.org> <20240212144736.1933112-3-maz@kernel.org> <5b2d8fee-9d0f-48f7-b9ec-b86e95387a61@samsung.com> <86bk8k5ts3.wl-maz@kernel.org> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/29.1 (aarch64-unknown-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: oliver.upton@linux.dev, m.szyprowski@samsung.com, kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, james.morse@arm.com, suzuki.poulose@arm.com, yuzenghui@huawei.com, catalin.marinas@arm.com, will@kernel.org 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-20240215_151916_051030_ED14FD71 X-CRM114-Status: GOOD ( 17.89 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, 15 Feb 2024 02:02:24 +0000, Oliver Upton wrote: > > On Tue, Feb 13, 2024 at 02:21:48PM +0000, Marc Zyngier wrote: > > From cd75279d3b6c387c13972b61c486a203d9652e97 Mon Sep 17 00:00:00 2001 > > From: Marc Zyngier > > Date: Tue, 13 Feb 2024 13:37:57 +0000 > > Subject: [PATCH] arm64: cpufeatures: Fix FEAT_NV check when checking for > > FEAT_NV1 > > > > Using this_cpu_has_cap() has the potential to go wrong when > > used system-wide on a preemptible kernel. Instead, use the > > __system_matches_cap() helper when checking for FEAT_NV in the > > FEAT_NV1 probing helper. > > > > Fixes: 3673d01a2f55 ("arm64: cpufeatures: Only check for NV1 if NV is present") > > Reported-by: Marek Szyprowski > > Signed-off-by: Marc Zyngier > > b4 wasn't very happy with grabbing this patch in reply to a series > (probably user error), but I've picked this up for kvmarm/next. > > https://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git/commit/?id=9aa030cee1c45d6e962f6bf22ba63d4aff2b1644 Ah, sorry, I should have posted as a proper patch instead of an inline patch. Thanks for picking it up despite that. M. -- Without deviation from the norm, progress is not possible. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel