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Fri, 02 Apr 2021 01:00:16 -0700 (PDT) Received: from localhost ([1.128.194.255]) by smtp.gmail.com with ESMTPSA id q5sm7045976pfk.219.2021.04.02.01.00.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 02 Apr 2021 01:00:16 -0700 (PDT) Date: Fri, 02 Apr 2021 18:00:09 +1000 From: Nicholas Piggin Subject: Re: [PATCH] powerpc/powernv: Enable HAIL (HV AIL) for ISA v3.1 processors To: =?iso-8859-1?q?C=E9dric?= Le Goater , linuxppc-dev@lists.ozlabs.org References: <20210402024124.545826-1-npiggin@gmail.com> <0f41c067-7b9f-5b98-0993-c81cbaeea265@kaod.org> In-Reply-To: <0f41c067-7b9f-5b98-0993-c81cbaeea265@kaod.org> MIME-Version: 1.0 Message-Id: <1617350337.h91a37wruo.astroid@bobo.none> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Excerpts from C=C3=A9dric Le Goater's message of April 2, 2021 4:10 pm: > On 4/2/21 4:41 AM, Nicholas Piggin wrote: >> Starting with ISA v3.1, LPCR[AIL] no longer controls the interrupt >> mode for HV=3D1 interrupts. Instead, a new LPCR[HAIL] bit is defined >> which behaves like AIL=3D3 for HV interrupts when set. >=20 > Will QEMU need an update ?=20 Yes you're right it will, we need to do that. Thanks, Nick