From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id BC3762EA154 for ; Thu, 16 Jul 2026 10:02:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784196172; cv=none; b=UfgbkJoFEHqjJH+08Un+AJmsuh8YtKzrxW0dSBRGKN7AwH1ZK36qDls9uWseIvLRcy9cy2rxAPAs1Aa+EFgHDqsxczLSsmssvkTbq1fo7Xb+WUX4Yjw4aYSPT7AySPZ5i2ZLewHagMFeQsRkOEaEZnxcFMCN4ALoCf2z0czyInw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784196172; c=relaxed/simple; bh=E27i/D3e6bF5+KZUrw0fKEszL9eqozWLnLh4zkZyKn0=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=gT1oaLU+8GgkeotDdEJm/jX/ryoZhxT95pRJb11HiOI/5tWTbn+YbZqsaVAOG3q24L6PciGv/76VLJmNBgv/jdqrnT2MDXIDRvUIr5CPIYW2FOgkfvBPbHGuIwUOyadbZV6AYmoNhZLPdDBCpFtkITTRAjHGv5ogTW1Vj1y230g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b=o71xAlvV; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b="o71xAlvV" Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id C82412F; Thu, 16 Jul 2026 03:02:45 -0700 (PDT) Received: from ergosum.cambridge.arm.com (ergosum.cambridge.arm.com [10.2.208.54]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 8F7623F905; Thu, 16 Jul 2026 03:02:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1784196170; bh=E27i/D3e6bF5+KZUrw0fKEszL9eqozWLnLh4zkZyKn0=; h=From:To:Cc:Subject:Date:From; b=o71xAlvVqFVzhkOifeYwdb5wcCjJIjCtfjyYkpFDuj/ZtZT7ZvTJFB/DGgWPJipnA xu9VX5655PYVGTZIl7m3WG0ZqLhis2dnf45+k+oqLpPPMoWALEC7b5Ma31ReHJxCS4 hAy4xouDS+Pzd7gJ+V5/2nR8p8w9E10EAlyYHC9E= From: Anshuman Khandual To: linux-arm-kernel@lists.infradead.org Cc: Anshuman Khandual , Krzysztof Kozlowski , Arnd Bergmann , Eric Biggers , Linus Walleij , Alexandre Belloni , linux-kernel@vger.kernel.org Subject: [PATCH] arm64/defconfig: Restore built-in 9P rootfs support Date: Thu, 16 Jul 2026 11:02:43 +0100 Message-Id: <20260716100243.1604526-1-anshuman.khandual@arm.com> X-Mailer: git-send-email 2.30.2 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Commit d521c4ca039f ("arm64: defconfig: Switch Ethernet drivers to modules") had changed 9P and virtio-9P support from built-in to modular instead. This breaks simple kvmtool boots using a 9P root filesystem without an initramfs , because the kernel must mount root filesystem before it can load the 9P modules. Also there is no change in image size with these configs built-in. Restore the relevant 9P options as built-in. Cc: Krzysztof Kozlowski Cc: Arnd Bergmann Cc: Eric Biggers Cc: Linus Walleij Cc: Alexandre Belloni Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Anshuman Khandual --- arch/arm64/configs/defconfig | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig index 654a102cb5bc..be9715b1e005 100644 --- a/arch/arm64/configs/defconfig +++ b/arch/arm64/configs/defconfig @@ -200,8 +200,8 @@ CONFIG_MAC80211=m CONFIG_MAC80211_LEDS=y CONFIG_RFKILL=m CONFIG_RFKILL_GPIO=m -CONFIG_NET_9P=m -CONFIG_NET_9P_VIRTIO=m +CONFIG_NET_9P=y +CONFIG_NET_9P_VIRTIO=y CONFIG_NFC=m CONFIG_NFC_NCI=m CONFIG_NFC_NXP_NCI=m @@ -1921,7 +1921,7 @@ CONFIG_NFS_V4=y CONFIG_NFS_V4_1=y CONFIG_NFS_V4_2=y CONFIG_ROOT_NFS=y -CONFIG_9P_FS=m +CONFIG_9P_FS=y CONFIG_NLS_CODEPAGE_437=y CONFIG_NLS_ISO8859_1=y CONFIG_SECURITY=y -- 2.30.2