On Tue, Jun 15, 2010 at 02:22:06PM +0300, Avi Kivity wrote: > Too much duplication. How about putting the tail end of the function in a > common helper (with an inatomic flag)? > > btw, is_hwpoison_address() is racy. While it looks up the address, some > other task can unmap the page tables under us. Where is is_hwpoison_address() coming from? I can't find it anywhere. Anyways hwpoison will not remove the page as long as there is a reference to it, so as long as you get the reference race free against another task you're ok. Of course there might be always an error in between and the hardware may poison the data, but we don't try to handle all kernel errors. -Andi -- ak@xxxxxxxxxxxxxxx -- Speaking for myself only. -- 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
