On Tue, Apr 18, 2006 at 07:41:55PM +0900, Kouya SHIMURA wrote: Content-Description: message body text
> We encounter a Oops message from loop driver when vbd is used > in dom0 kernel with CONFIG_VIRTUAL_MEM_MAP on ia64. > > I investigated this and might find a serious bug. > On x86, flush_dcache_page() does nothing and there is no problem. > But on ia64 flush_dcache_page() might access a wrong page struct > and destroy the kernel memory. > > Attached patch fixes this problem but it seems bad idea to modify > a linux driver. How should we fix it? Why is a invalid page passed? Should it be fixed instead of modifying loop.c? -- yamahata _______________________________________________ Xen-ia64-devel mailing list Xen-ia64-devel@lists.xensource.com http://lists.xensource.com/xen-ia64-devel
