On Thu, Dec 10, 2009 at 08:58, David Howells wrote: > From: Jie Zhang <jie.zh...@analog.com> > > The MMU code uses the copy_*_user_page() variants in access_process_vm() > rather than copy_*_user() as the former includes an icache flush. This is > important when doing things like setting software breakpoints with gdb. > So switch the NOMMU code over to do the same. > > This patch makes the reasonable assumption that copy_from_user_page() won't > fail - which is probably fine, as we've checked the VMA from which we're > copying is usable, and the copy is not allowed to cross VMAs. The one case > where it might go wrong is if the VMA is a device rather than RAM, and that > device returns an error which - in which case rubbish will be returned rather > than EIO. > > Signed-off-by: Jie Zhang <jie.zh...@analog.com> > Signed-off-by: Mike Frysinger <vap...@gentoo.org> > Signed-off-by: David Howells <dhowe...@redhat.com>
btw, there are also: Acked-by: David McCullough <david_mccullo...@mcafee.com> Acked-by: Paul Mundt <let...@linux-sh.org> Acked-by: Greg Ungerer <g...@uclinux.org> -mike _______________________________________________ uClinux-dev mailing list uClinux-dev@uclinux.org http://mailman.uclinux.org/mailman/listinfo/uclinux-dev This message was resent by uclinux-dev@uclinux.org To unsubscribe see: http://mailman.uclinux.org/mailman/options/uclinux-dev
