On Fri, May 26, 2017 at 11:40:33PM -0400, Oleg Drokin wrote: > lov_getstripe() calls set_fs(KERNEL_DS) so that it can handle a struct > lov_user_md pointer from user- or kernel-space. This changes the > behavior of copy_from_user() on SPARC and may result in a misaligned > access exception which in turn oopses the kernel. In fact the > relevant argument to lov_getstripe() is never called with a > kernel-space pointer and so changing the address limits is unnecessary > and so we remove the calls to save, set, and restore the address > limits. > > Signed-off-by: John L. Hammond <john.hammond@xxxxxxxxx> > Reviewed-on: http://review.whamcloud.com/6150 > Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3221 > Reviewed-by: Andreas Dilger <andreas.dilger@xxxxxxxxx> > Reviewed-by: Li Wei <wei.g.li@xxxxxxxxx> > Signed-off-by: Oleg Drokin <green@xxxxxxxxxxxxxx> > --- > drivers/staging/lustre/lustre/lov/lov_pack.c | 9 --------- > 1 file changed, 9 deletions(-) So is this the patch that you want applied to the staging tree(s) as well? If so, please let me know, otherwise I have no clue... Come on, you know better than this... greg k-h _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
