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([2a01:e0a:59e:9d80:527b:9dff:feef:3874]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-436e2df3610sm211355245e9.20.2025.01.14.06.57.44 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 14 Jan 2025 06:57:45 -0800 (PST) Message-ID: <4a9fbdd9-ad23-44bc-8ba5-399f08068db4@redhat.com> Date: Tue, 14 Jan 2025 15:57:43 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] KVM: arm64: nv: Set ISTATUS for emulated timers, If timer expired Content-Language: en-US To: Marc Zyngier Cc: Ganapatrao Kulkarni , kvmarm , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, oliver.upton@linux.dev, christoffer.dall@arm.com, suzuki.poulose@arm.com, will@kernel.org, catalin.marinas@arm.com, coltonlewis@google.com, joey.gouly@arm.com, yuzenghui@huawei.com, darren@os.amperecomputing.com, vishnu@os.amperecomputing.com References: <20241209053201.339939-1-gankulkarni@os.amperecomputing.com> <867c89tc4q.wl-maz@kernel.org> <865xntt2kv.wl-maz@kernel.org> <8be59ff3-6a68-48e1-8181-0ce4b2e7180f@os.amperecomputing.com> <86y10osr19.wl-maz@kernel.org> <4d443db1-85b1-4071-acd5-3187deb9cb17@redhat.com> <2f6b2cb1-3d32-480a-9801-9b993ae74e2d@os.amperecomputing.com> <152d262e-641d-4bb1-9656-a13e049d62c4@redhat.com> <86h661wje4.wl-maz@kernel.org> From: Eric Auger In-Reply-To: <86h661wje4.wl-maz@kernel.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Hi Marc, On 1/14/25 3:38 PM, Marc Zyngier wrote: > Hi Eric, > > On Tue, 14 Jan 2025 13:12:21 +0000, > Eric Auger wrote: >> >> I also confirm that using a mailine edk2 fixed the issues I faced >> previously (fed/rhel L1 guest not booting). >> >> I used Marc's nv-next branch and qemu rebase. > > When did you sample this branch? It is almost daily rebased at the > moment, given that we keep piling up things in kvmarm/next. 5 days ago. If you want me to test a specific branch, please let me know, esp. in the context of latest series including [PATCH v2 00/17] KVM: arm64: Add NV GICv3 support > >> With a rhel L1 guest I can now boot buildroot, debian and rhel guest as >> L2 (feat mainline edk2). For rhel, I tested different kinds of page size >> combinations for L1/L2 (4k and 64kB) and it worked. >> >> I tested on AmpereOne and Grace-Hopper systems > > Thanks for the confirmation. I haven't had a chance to try QEMU yet, > but I expect that save/restore will not work. Something to look into, I have not tested this yet.I will give it a try. Eric > I guess. > > M. >