On Thu, Oct 07, 2010 at 03:31:31PM +0900, Hidetoshi Seto wrote: > (2010/10/07 5:48), Andi Kleen wrote: > > From: Andi Kleen <ak@xxxxxxxxxxxxxxx> > > > > The original hwpoison code added a new siginfo field si_addr_lsb to > > pass the granuality of the fault address to user space. Unfortunately > > this field was never copied to user space. Fix this here. > > > > I added explicit checks for the MCEERR codes to avoid having > > to patch all potential callers to initialize the field. > > Now QEMU uses signalfd to catch the SIGBUS delivered to the > main thread, so I think similar fix to copy lsb to user is > required for signalfd too. Good catch. I don't think qemu uses this today, but it should be fixed there too for .37 at least. -Andi -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>