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Mar 2026 15:01:40 +0000 Message-ID: <49831efe-b1e4-461f-8efb-29b6035ed615@meta.com> Date: Thu, 19 Mar 2026 15:01:36 +0000 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] vfio: selftests: Build tests on aarch64 Content-Language: en-GB To: Alex Williamson Cc: Ted Logan , David Matlack , Shuah Khan , kvm@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260317-vfio-selftests-aarch64-v1-1-2266077563e7@fb.com> <20260318165513.49c3830d@shazbot.org> <0cb46c4d-90aa-4ef3-9098-9c5554714982@meta.com> <20260319083756.34d02e1e@shazbot.org> From: Matt Evans In-Reply-To: <20260319083756.34d02e1e@shazbot.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-ClientProxiedBy: AS4P251CA0010.EURP251.PROD.OUTLOOK.COM (2603:10a6:20b:5d2::12) To PH0PR15MB7038.namprd15.prod.outlook.com (2603:10b6:510:38d::10) Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 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Evans >>>> Closes: https://lore.kernel.org/all/e51b4ff2-13c4-47d4-b781-3dcbd740d274@meta.com/ >>>> --- >>>> Signed-off-by: Ted Logan >>> >>> Careful, this is a good way to get your Sign-off lost in the tooling. >>> >>>> --- >>>> tools/testing/selftests/vfio/Makefile | 2 +- >>>> 1 file changed, 1 insertion(+), 1 deletion(-) >>>> >>>> diff --git a/tools/testing/selftests/vfio/Makefile b/tools/testing/selftests/vfio/Makefile >>>> index 8e90e409e91d..98bc8d6271a4 100644 >>>> --- a/tools/testing/selftests/vfio/Makefile >>>> +++ b/tools/testing/selftests/vfio/Makefile >>>> @@ -1,4 +1,4 @@ >>>> -ARCH ?= $(shell uname -m) >>>> +ARCH ?= $(shell uname -m | sed -e 's/aarch64.*/arm64/') >>> >>> Are we intentionally enabling aarch64_be with this glob or is that just >>> carry-over from similar in the mm selftest Makefile? >>> >>> Big endian ARM64 support is really not on my radar for vfio, but it >>> wouldn't be our first foray into big endian systems. >>> >>> If it wasn't intentional, maybe just add "aarch64" to the below filter >>> list directly. Thanks, >> >> I think that won't work for cross-builds passing in ARCH=arm64 "from >> above". We can just drop the `.*` part of the sed regexp, giving >> ARCH=arm64 or arm64_be (the latter would fail to match in the filter below). > >>>> ifeq (,$(filter $(ARCH),arm64 x86_64)) > > Sorry, I don't fully follow. If we expand the above "arm64 x86_64" to > include "aarch64" rather than distill the latter into "arm64", how does > that break the cross-builds? Thanks, Oh, it sounded like the suggestion was just (i.e. solely) adding "aarch64" instead of the "arm64" as well. If it includes arm64 (for when ARCH= is already set) as well as aarch64 (from uname) then it's all good. -Matt > > Alex > >>>> # Do nothing on unsupported architectures >>>> >>>> --- >>>> base-commit: 96ca4caf9066f5ebd35b561a521af588a8eb0215 >>>> change-id: 20260317-vfio-selftests-aarch64-636abf0f7674 >>>> >>>> Best regards, >>> >> >> >