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Fri, 23 Aug 2024 14:24:06 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B35ACC32786; Fri, 23 Aug 2024 14:24:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1724423045; bh=SLKDSke/wUGBLMnN3vAtRLfAoCEBzo3yPCvhIy66cMs=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=VWd+f4b2S+YOt8PKvFw5i15F+pg7C+6aSIQa9MizkvCFuKxRrud1ZrCcdJw/AD8xf /ciMYGVTP9SSf+vfKrx0qnwjy7dWxFvcVJPSQpWaB/HEu+TDMG96BQBTJQkCPLWquS 5pDyqFoAfYqdYLcl4qlUcydaXnm37OR69LPY+4+DXAp/jUN7D+5lMBrtrArsId1mi4 pW9OA1PmIwTosxByk06YAlOi3xUJADfAVKbLQUwhj5xm/pWHgmCSI5EcY+7t6E50o/ p6JoNnNhp5kL7TURfNRLZsw2sWTD74MEIxhFolJNAITP7r9wHti3u4tjeIEseeXYi8 YypkKASN5KcaA== Received: from sofa.misterjones.org ([185.219.108.64] helo=goblin-girl.misterjones.org) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1shVCt-006ICL-3b; Fri, 23 Aug 2024 15:24:03 +0100 Date: Fri, 23 Aug 2024 15:24:02 +0100 Message-ID: <86y14nwc59.wl-maz@kernel.org> From: Marc Zyngier To: Will Deacon Cc: Joey Gouly , linux-arm-kernel@lists.infradead.org, nd@arm.com, akpm@linux-foundation.org, aneesh.kumar@kernel.org, aneesh.kumar@linux.ibm.com, anshuman.khandual@arm.com, bp@alien8.de, broonie@kernel.org, catalin.marinas@arm.com, christophe.leroy@csgroup.eu, dave.hansen@linux.intel.com, hpa@zytor.com, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, mingo@redhat.com, mpe@ellerman.id.au, naveen.n.rao@linux.ibm.com, npiggin@gmail.com, oliver.upton@linux.dev, shuah@kernel.org, skhan@linuxfoundation.org, szabolcs.nagy@arm.com, tglx@linutronix.de, x86@kernel.org, kvmarm@lists.linux.dev, linux-kselftest@vger.kernel.org Subject: Re: [PATCH v5 08/30] KVM: arm64: make kvm_at() take an OP_AT_* In-Reply-To: <20240823134811.GG32156@willie-the-truck> References: <20240822151113.1479789-1-joey.gouly@arm.com> <20240822151113.1479789-9-joey.gouly@arm.com> <20240823134811.GG32156@willie-the-truck> 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/29.4 (aarch64-unknown-linux-gnu) MULE/6.0 (HANACHIRUSATO) X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Post: List-Subscribe: , , List-Unsubscribe: MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: will@kernel.org, joey.gouly@arm.com, linux-arm-kernel@lists.infradead.org, nd@arm.com, akpm@linux-foundation.org, aneesh.kumar@kernel.org, aneesh.kumar@linux.ibm.com, anshuman.khandual@arm.com, bp@alien8.de, broonie@kernel.org, catalin.marinas@arm.com, christophe.leroy@csgroup.eu, dave.hansen@linux.intel.com, hpa@zytor.com, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, mingo@redhat.com, mpe@ellerman.id.au, naveen.n.rao@linux.ibm.com, npiggin@gmail.com, oliver.upton@linux.dev, shuah@kernel.org, skhan@linuxfoundation.org, szabolcs.nagy@arm.com, tglx@linutronix.de, x86@kernel.org, kvmarm@lists.linux.dev, linux-kselftest@vger.kernel.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false On Fri, 23 Aug 2024 14:48:11 +0100, Will Deacon wrote: > > On Thu, Aug 22, 2024 at 04:10:51PM +0100, Joey Gouly wrote: > > To allow using newer instructions that current assemblers don't know about, > > replace the `at` instruction with the underlying SYS instruction. > > > > Signed-off-by: Joey Gouly > > Cc: Marc Zyngier > > Cc: Oliver Upton > > Cc: Catalin Marinas > > Cc: Will Deacon > > Reviewed-by: Marc Zyngier > > --- > > arch/arm64/include/asm/kvm_asm.h | 3 ++- > > arch/arm64/kvm/hyp/include/hyp/fault.h | 2 +- > > 2 files changed, 3 insertions(+), 2 deletions(-) > > Marc -- what would you like to do with this patch? I think the POE series > is really close now, so ideally I'd queue the lot on a branch in arm64 > and you could pull the first ~10 patches into kvmarm if you need 'em. > > Would what work for you, or did you have something else in mind (since > this one is also included in your series adding nv support for AT). Yup, that works for me. I can take that prefix as the base for the AT series and drop my copy of this patch. Thanks, M. -- Without deviation from the norm, progress is not possible.