From 546a6d05129d82fe1de463fa761ebfd6b55bc28c Mon Sep 17 00:00:00 2001 From: Anders Roxell Date: Mon, 15 Jan 2018 22:43:37 +0100 Subject: [PATCH] arm64: defconfig: re-enable VIRTIO configs Since patch - "4f2fe01 virtio: make VIRTIO a menuconfig to ease disabling it all", there have not been posible to run a defconfig kernel build as a kvm guest with a virtio device. [...] [ 4.216059] input: gpio-keys as /devices/platform/gpio-keys/input/input0 [ 4.225680] rtc-pl031 9010000.pl031: setting system clock to 2018-01-15 15:53:03 UTC (1516031583) [ 4.230721] ALSA device list: [ 4.230867] No soundcards found. [ 4.239775] uart-pl011 9000000.pl011: no DMA platform data [ 4.245088] VFS: Cannot open root device "vda" or unknown-block(0,0): error -6 [ 4.245327] Please append a correct "root=" boot option; here are the available partitions: [ 4.245862] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) [ 4.246306] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.15.0-rc7-next-20180115-00001-g1facd923 #1 [ 4.246596] Hardware name: linux,dummy-virt (DT) [ 4.246882] Call trace: [ 4.247104] dump_backtrace+0x0/0x1b0 [ 4.247286] show_stack+0x24/0x30 [ 4.247449] dump_stack+0xb8/0xf0 [ 4.247610] panic+0x140/0x2b4 [ 4.247768] mount_block_root+0x194/0x284 [ 4.247932] mount_root+0x13c/0x170 [ 4.248094] prepare_namespace+0x140/0x188 [ 4.248269] kernel_init_freeable+0x25c/0x280 [ 4.248451] kernel_init+0x18/0x110 [ 4.248616] ret_from_fork+0x10/0x18 [ 4.249165] Kernel Offset: disabled [ 4.249424] CPU features: 0x1802082 [ 4.249601] Memory Limit: none [ 4.250075] ---[ end Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) This adds VIRTIO back so we can easily run a defconfig kernel buld as both a host and as a kvm guest. Signed-off-by: Anders Roxell --- arch/arm64/configs/defconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig index 79d72ab..707d984 100644 --- a/arch/arm64/configs/defconfig +++ b/arch/arm64/configs/defconfig @@ -500,6 +500,7 @@ CONFIG_QCOM_HIDMA=y CONFIG_RCAR_DMAC=y CONFIG_VFIO=y CONFIG_VFIO_PCI=y +CONFIG_VIRTIO_MENU=y CONFIG_VIRTIO_PCI=y CONFIG_VIRTIO_BALLOON=y CONFIG_VIRTIO_MMIO=y -- 2.7.4