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 EE56439D6DD for ; Fri, 21 Aug 2026 21:41:20 +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=1787348484; cv=none; b=gYHv2jUSeETBY5J0IWiub5W/YG7jMN5t9qVmaVL+VBFuhN3QEK1mp1N/3KRPdz0MJrOOuUeUZtT6Fs+3/TqiYuTuacYi392Regx7HqHhhBUAG4/C/a+mINP33a8P6DJJ1EDHODaRp1czP8QsNCpontSmWbuYopdNVaLdhEnCMDQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787348484; c=relaxed/simple; bh=+x9WbfERZdOskOLET28DhPFWGo+anDsgUap0ponAF4k=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Izq8NhUpWVkvPuh9BqMImT4MUk/FLt4XGhMR7PSySciKGAxRsbZgeJ7OK8A2XVAHhx6wsm0zcDCEPpYf3BnBpI9eJWQQ7lZqiXWE4/0bhP2kiGaAHs11/ldK2eD6/QlMHDPBkgqlKQAru+tC5ykn62dsAWIda+ehZDOUQR9G+pY= 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=TZbsS0OJ; 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="TZbsS0OJ" 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=8BuULVjail1D1lOGQq/B6O5KWN95fK8On9fo3eX1yjM=; b=TZbsS0OJCYLz9dXzj3rubCtY+b n6IqUUNTK1yELr07fqgBzUUAv8WjcJOqiqFQHe8ci9P7VzcearYei5vC9zrlNb6B0aPKVuqXN3INp /GqNcGbcslVd00oViyItxi8ILRm4Qyb6ZZRSIU34IVhm75XiNU4n/B7UPH85LR0Nh0Tz+Tyr+/+xn 7IoGuHaOX0QqKXw9HktGUoZogrgZkf36VKdyLeevLAvskD4cnZxP001KxOliQMPTIoMHGHdl2frJa YPvXvYUj8MIl2Pcesgjb2b7J2Gqld43YxV8tW5cpLGZzhW5LBgfksG92kzNZ3isCoheSTcdJ7dazA wQ5BhtDQ==; 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 1wxWzG-000Mqi-2W; Fri, 21 Aug 2026 23:41:18 +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 Subject: [PATCH bpf-next 09/11] selftests/bpf: Allow appending to guest kernel cmdline in vmtest.sh Date: Fri, 21 Aug 2026 23:41:09 +0200 Message-ID: <20260821214111.1120748-10-daniel@iogearbox.net> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260821214111.1120748-1-daniel@iogearbox.net> References: <20260821214111.1120748-1-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 1.4.3/28099/Fri Aug 21 08:26:38 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 to it when set to it can be used for testing 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