Re: Re: [PATCH] kvm/arm64: Fix memory section did not set to kvm

2022-03-25 Thread liucong2
Hi Peter,I found this issue on qmeu 4.2 with host linux 4.19, I want touse qxl on arm64. on arm64, default page size is 64k, and theqxl_rom_size is fixed 8192.but when I read qxl_rom region in guest, guest os stopped andI can see error message "load/store instruction decodeing not implemented" in h

回复: Re: [PATCH] kvm/arm64: Fix memory section did not set to kvm

2022-03-28 Thread liucong2
thanks for you explain, I will learn it later.in the scenario of rom bar size 8k, page size 64k, the value of 'size = ROUND_UP(size, qemu_real_host_page_size)' is 64k, kvm_align_sectionalso return 64k bytes.  just the same size as the size of RAMBlock. I stilldid not understand why it is wrong.the