[PATCH 0/3] virtio: Clean up scatterlists and use the DMA API
From: luto@amacapital.net (Andy Lutomirski)
Date: 2014-08-27 17:37:54
Also in:
linux-s390, virtualization
On Wed, Aug 27, 2014 at 10:34 AM, Christopher Covington [off-list ref] wrote:
On 08/27/2014 12:19 PM, Andy Lutomirski wrote:quoted
On Wed, Aug 27, 2014 at 9:13 AM, Christopher Covington [off-list ref] wrote:Virtme looks interesting. If it's any use, here is my modest QEMU command line collection. $dir/bin/x86_64-linux-gnu/qemu-system-x86_64 \ -m 1024 \ -kernel $dir/boot/x86_64-linux-gnu/bzImage-x86_64 \ -append 'root=/dev/root init=/sbin/x86_64-linux-gnu/init rootfstype=9p rootflags=trans=virtio,version=9p2000.L ro console=ttyS0' \ -serial stdio \ -fsdev local,id=root,path=$dir,security_model=none \ -device virtio-9p-pci,fsdev=root,mount_tag=/dev/root \ -monitor none
This is similar to what virtme does, except that virtme will give you a much more functional system at the cost of a small fraction of a second of additional boot time. And virtme sometimes supports modules :)
$dir/bin/x86_64-linux-gnu/qemu-system-arm \ -M virt \ -cpu cortex-a15 \ -m 1024 \ -kernel $dir/boot/arm-linux-gnueabihf/Image \ -append 'root=/dev/root init=/sbin/arm-linux-gnueabihf/init rootfstype=9p rootflags=trans=virtio,version=9p2000.L ro console=ttyAMA0' \ -serial stdio \ -fsdev local,id=root,path=$dir,security_model=none \ -device virtio-9p-device,fsdev=root,mount_tag=/dev/root \ -monitor none
Can you give me some hints as to how to configure a kernel for this? I tried to get anything other than versatilepb working and gave up.
$dir/bin/x86_64-linux-gnu/qemu-system-aarch64 \ -M virt \ -cpu cortex-a57 \ -m 1024 \ -kernel $dir/boot/aarch64-linux-gnu/Image \ -append 'root=/dev/root init=/sbin/aarch64-linux-gnu/init rootfstype=9p rootflags=trans=virtio,version=9p2000.L ro console=ttyAMA0' \ -serial stdio \ -fsdev local,id=root,path=$dir,security_model=none \ -device virtio-9p-device,fsdev=root,mount_tag=/dev/root -monitor none
Ooh, thanks! I'll add support for this to virtme. --Andy