Re: [RFC PATCH 00/20] Introduce the famfs shared-memory file system

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[trimming CC list]

On Thu, 23 May 2024 at 04:49, John Groves <John@xxxxxxxxxx> wrote:

> - memmap=<size>!<hpa_offset> will reserve a pretend pmem device at <hpa_offset>
> - memmap=<size>$<hpa_offset> will reserve a pretend dax device at <hpa_offset>

Doesn't get me a /dev/dax or /dev/pmem

Complete qemu command line:

qemu-kvm -s -serial none -parallel none -kernel
/home/mszeredi/git/linux/arch/x86/boot/bzImage -drive
format=raw,file=/home/mszeredi/root_fs,index=0,if=virtio -drive
format=raw,file=/home/mszeredi/images/ubd1,index=1,if=virtio -chardev
stdio,id=virtiocon0,signal=off -device virtio-serial -device
virtconsole,chardev=virtiocon0 -cpu host -m 8G -net user -net
nic,model=virtio -fsdev local,security_model=none,id=fsdev0,path=/home
-device virtio-9p-pci,fsdev=fsdev0,mount_tag=hostshare -device
virtio-rng-pci -smp 4 -append 'root=/dev/vda console=hvc0
memmap=4G$4G'

root@kvm:~/famfs# scripts/chk_efi.sh
This system is neither Ubuntu nor Fedora. It is identified as debian.
/sys/firmware/efi not found; probably not efi
 not found; probably nof efi
/boot/efi/EFI not found; probably not efi
/boot/efi/EFI/BOOT not found; probably not efi
/boot/efi/EFI/ not found; probably not efi
/boot/efi/EFI//grub.cfg not found; probably nof efi
Probably not efi; errs=6

Thanks,
Miklos




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