On Mon, Oct 12, 2009 at 05:43:39PM +0200, Gerd Hoffmann wrote: > On 10/12/09 16:52, Gleb Natapov wrote: >> On Mon, Oct 12, 2009 at 04:50:35PM +0200, Gerd Hoffmann wrote: >>> pc.c does some magic here to map the complete bios into high memory >>> and the legacy part at 0xe0000, thats why it is loaded in a >>> different way. It gets loaded to IO_MEM_ROM memory though, so the >>> guest should not be able to corrupt it. >>> >> But KVM doesn't support it (memory is always writable). And we want to reload >> BIOS on reboot for migration purposes. > > Then it should be switched over to the new rom loader. Also the logic > which does *not* reload stuff which goes to IO_MEM_ROM must be turned > off for kvm them. I think it needs to be turned off anyway. Since ROM is sent over for migration, it might get out of sync with file even if it is read-only. > cheers, > Gerd -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
