From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from www62.your-server.de (www62.your-server.de [213.133.104.62]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0EC0F46AA92; Wed, 26 Aug 2026 16:41:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.133.104.62 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787762541; cv=none; b=K06LEQ2iN6mHSEjis2dTNsKFpPaZgi+Q1QBFCk9EzG7Xx0BOvX6PwI1uEdtpKrL0QvydHEfCnaoNG5i5VH3BLmelP6CXDGwOKQnI3e3puhIXSZfm2YO7N2cVB+Wp0xdzy5UPkmx0wSU0/pBoeGSIX2zorCXQFfemnOmlrpI/WtE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787762541; c=relaxed/simple; bh=16n4TsTUAu9GhjKP47wM3R+AbVWs08/PU6jhMT9OPOM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=JRCvZKuzM4l0f796LlyQumcYwEreqJ9NFpQ5IhoPyZy2ZQjUfLtvie1mcDLavttuFovwTCx/uB/QRbP+kr1FViazeK7YodgIAjjpcHMWgu1+0XmUrNp45nW5leqFoQIGvf13nuovj9iopaLiULV+DqJH3I6fiBaowQXv2ztt1oA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=iogearbox.net; spf=pass smtp.mailfrom=iogearbox.net; dkim=pass (2048-bit key) header.d=iogearbox.net header.i=@iogearbox.net header.b=YJCqbLOm; arc=none smtp.client-ip=213.133.104.62 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=iogearbox.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=iogearbox.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=iogearbox.net header.i=@iogearbox.net header.b="YJCqbLOm" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=iogearbox.net; s=default2302; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID; bh=EhgI/l6vnvOET2eYbP/oSJbkLO6aD2eQvyOMf26FBqw=; b=YJCqbLOmsoJOWPFuOXKmZAwN10 blM97CzqaGlklFhfKheaWPEhqzicPLg1jTLOR0Tl/a4+gy3kgJK3kUfTssyusc/EKT9wtgYqXwJFq X8liQR/lhJ33mDy8L40tXCcjNLZQ13Hljr1TeVxQVbk0tVKujBs6c8is/LWRGhkIHUhy+SEGg41z8 8ix2KcmjtCt96Ql0RMRo3UoiwiDU1Li/lNAfPqIbkwjaF/jyjSaEGkO3cuoQTgWGKN1I2mFZOscFj yQA9XK1ku6Oa9WcEVf8IWslK740fJpPcbuVQe7NJRJQOFwNSwoTvHonjyxuGLBdcElLlR/33uS0zp EM/ivE9A==; Received: from localhost ([127.0.0.1]) by www62.your-server.de with esmtpsa (TLS1.3) tls TLS_AES_256_GCM_SHA384 (Exim 4.96.2) (envelope-from ) id 1wzGh7-000ILs-0V; Wed, 26 Aug 2026 18:41:45 +0200 From: Daniel Borkmann To: memxor@gmail.com Cc: brauner@kernel.org, kpsingh@kernel.org, ast@kernel.org, john.fastabend@gmail.com, a.s.protopopov@gmail.com, bpf@vger.kernel.org, dhowells@redhat.com, jarkko@kernel.org, keyrings@vger.kernel.org Subject: [PATCH bpf-next v3 09/11] selftests/bpf: Allow appending to guest kernel cmdline in vmtest.sh Date: Wed, 26 Aug 2026 18:41:34 +0200 Message-ID: <20260826164136.1400997-10-daniel@iogearbox.net> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260826164136.1400997-1-daniel@iogearbox.net> References: <20260826164136.1400997-1-daniel@iogearbox.net> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Virus-Scanned: Clear (ClamAV 1.4.3/28104/Wed Aug 26 08:24:01 2026) vmtest.sh currently hardcodes the guest command line, so there is no way to ask for such a setting without editing the script. Append $KERNEL_CMDLINE_EXTRA when set so it can be used for testing the BPF keyring: # KERNEL_CMDLINE_EXTRA="bpf.keyring_unsealed=1" \ ./vmtest.sh -- ./test_progs -t signed_loader Signed-off-by: Daniel Borkmann --- tools/testing/selftests/bpf/vmtest.sh | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/bpf/vmtest.sh b/tools/testing/selftests/bpf/vmtest.sh index 6a3d026d76bd..e7e0b419a0b8 100755 --- a/tools/testing/selftests/bpf/vmtest.sh +++ b/tools/testing/selftests/bpf/vmtest.sh @@ -107,6 +107,14 @@ Options: -s) Instead of powering off the VM, start an interactive shell. If is specified, the shell runs after the command finishes executing + +Environment variables: + + KERNEL_CMDLINE_EXTRA + Extra arguments to append to the guest kernel command + line, for tests that need a boot-time setting. e.g: + + KERNEL_CMDLINE_EXTRA="bpf.keyring_unsealed=1" $0 -- ./test_progs -t signed_loader EOF } @@ -286,6 +294,12 @@ EOF QEMU_FLAGS=("${HOST_FLAGS[@]}") fi + local kernel_cmdline="root=/dev/vda rw console=${QEMU_CONSOLE}" + + if [[ -n "${KERNEL_CMDLINE_EXTRA:-}" ]]; then + kernel_cmdline+=" ${KERNEL_CMDLINE_EXTRA}" + fi + ${QEMU_BINARY} \ -nodefaults \ -display none \ @@ -294,7 +308,7 @@ EOF -m 4G \ -drive file="${rootfs_img}",format=raw,index=1,media=disk,if=virtio,cache=none \ -kernel "${kernel_bzimage}" \ - -append "root=/dev/vda rw console=${QEMU_CONSOLE}" + -append "${kernel_cmdline}" } copy_logs() -- 2.43.0