search for: hvmemul_do_mmio

Tim, was it really intended for "x86/hvm: use unlocked p2m lookups in hvmemul_rep_movs()" to special case p2m_mmio_dm but not p2m_mmio_direct? Jan

I ran a bisect to find out when Windows XP 32 bit becomes unusably slow. And I found the changeset that caused it. ========== The problem: ========== Windows 8 64 bit and 32 bit run fast and fine in the newest xen versions. Windows XP 32 bit runs unusably slow in anything new that I built from xen-unstable, but runs fast in 4.1.2 and 4.1.3 stable. While it is running slow, "xm top" or

Hi everybody! I am trying to read file from hvm domU ntfs filesystem. If I understand things correctly, Xen emulates hvm-domain harddisk read/write operations. So I turn to file arch\x86\hvm\emulate.c and function __hvmemul_read(...) and then hvmemul_do_mmio(...)/ hvmemul_do_pio(...). Can I read file through I/O ports? And which operations can I use? Is virtual harddisk access mmio or pio type? Thaks, Olga _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel