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Wed, 19 Nov 2025 07:34:09 -0800 (PST) Date: Wed, 19 Nov 2025 09:34:08 -0600 From: Andrew Jones To: Joey Gouly Cc: Nadav Amit , kvm@vger.kernel.org, alexandru.elisei@arm.com, andrew.jones@linux.dev, kvmarm@lists.linux.dev, Marc Zyngier , Oliver Upton Subject: Re: [kvm-unit-tests PATCH v3 00/10] arm64: EL2 support Message-ID: <20251119-7493c53b2b8e315d7556f699@orel> References: <20250925141958.468311-1-joey.gouly@arm.com> <20251119131827.GA2206028@e124191.cambridge.arm.com> <20251119140224.GA2210783@e124191.cambridge.arm.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251119140224.GA2210783@e124191.cambridge.arm.com> On Wed, Nov 19, 2025 at 02:02:24PM +0000, Joey Gouly wrote: > Hi Nadav, > > On Wed, Nov 19, 2025 at 03:48:13PM +0200, Nadav Amit wrote: > > > > > > > On 19 Nov 2025, at 15:18, Joey Gouly wrote: > > > > > > On Thu, Sep 25, 2025 at 03:19:48PM +0100, Joey Gouly wrote: > > >> Hi all, > > >> > > >> This series is for adding support to running the kvm-unit-tests at EL2. These > > >> have been tested with Linux 6.17-rc6 KVM nested virt. > > >> > > >> This latest round I also tested using the run_tests.sh script with QEMU TCG, > > >> running at EL2. > > >> > > >> The goal is to later extend and add new tests for Nested Virtualisation, > > >> however they should also work with bare metal as well. > > > > > > Any comments on this series, would be nice to get it merged. > > > > I wonder, does kvm-unit-tests run on bare-metal arm64 these days? > > > > I ran it in-house some time ago (fixing several issues on the way), > > but IIRC this issue was never fixed upstream: > > > > https://lore.kernel.org/all/C812A718-DCD6-4485-BB5A-B24DE73A0FD3@gmail.com/ > > > > I haven't tested on real bare-metal hardware, I have been booting directly in > QEMU with both .flat and .efi. At one point arm64 builds worked on bare-metal - I added commit 993c37be77 ("arm/arm64: Zero BSS and stack at startup") as part of that effort. I don't know if it still works, though, since I haven't tested it in years. As for this series, I was hoping someone more invested in arm64 would do some reviewing and testing. Then, given we get some r-b's and t-b's, I'd give it a quick skim and ship it. Thanks, drew