On Mon, Sep 07, 2020 at 10:21:39AM +0200, Christoph Hellwig wrote: > On Mon, Sep 07, 2020 at 10:21:14AM +0200, Greg KH wrote: > > On Mon, Sep 07, 2020 at 09:51:43AM +0200, Christoph Hellwig wrote: > > > Christophe reported a major speedup due to avoiding the iov_iter > > > overhead, so just add this trivial function. > > > > > > Suggested-by: Christophe Leroy <[email protected]> > > > Signed-off-by: Christoph Hellwig <[email protected]> > > > Tested-by: Christophe Leroy <[email protected]> > > > --- > > > > > > Changes since v1: > > > - fix the Suggested-by: tag > > > - report the actually read bytes in case of a partial clear_user > > > - remove an impossible to hit conditional > > > > > > drivers/char/mem.c | 28 ++++++++++++++++++++++++++++ > > > 1 file changed, 28 insertions(+) > > > > I already merged your v1 into my tree, do you want me to revert that and > > then add this, or can you send me the diff to apply instead? I can't > > rebase my public trees. > > Sure, I can send an incremental one. I vaguely remembered you as one > of the quilt holdouts.
That's only for stable tree work :) thanks for the incremental patch, will go apply that now. greg k-h
