On Thu, May 14, 2020 at 08:32:22AM -0700, Randy Dunlap wrote: > On 5/13/20 8:31 PM, Andrew Morton wrote: > > The mm-of-the-moment snapshot 2020-05-13-20-30 has been uploaded to > > > > http://www.ozlabs.org/~akpm/mmotm/ > > > > mmotm-readme.txt says > > > > README for mm-of-the-moment: > > > > http://www.ozlabs.org/~akpm/mmotm/ > > > > This is a snapshot of my -mm patch queue. Uploaded at random hopefully > > more than once a week. > > > > You will need quilt to apply these patches to the latest Linus release (5.x > > or 5.x-rcY). The series file is in broken-out.tar.gz and is duplicated in > > http://ozlabs.org/~akpm/mmotm/series > > > > The file broken-out.tar.gz contains two datestamp files: .DATE and > > .DATE-yyyy-mm-dd-hh-mm-ss. Both contain the string yyyy-mm-dd-hh-mm-ss, > > followed by the base kernel version against which this patch series is to > > be applied. > > > on x86_64: > > arch/x86/lib/csum-wrappers_64.o: warning: objtool: csum_and_copy_from_user()+0x2a4: call to memset() with UACCESS enabled > arch/x86/lib/csum-wrappers_64.o: warning: objtool: csum_and_copy_to_user()+0x243: return with UACCESS enabled Urgh, that's horrible code. That's got plain stac()/clac() calls on instead of the regular uaccess APIs. Anybody any clue about what the best way forward here is? Also, I wonder how we get at memset() with AC set,..
