On Wed, 1 Jul 2020 at 03:34, Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote: > > Hi all, > > Today's linux-next merge of the rcu tree got a conflict in: > > kernel/kcsan/Makefile > > between commit: > > f7c28e224da6 ("kbuild: remove cc-option test of -fno-stack-protector") Is it possible that this patch drops the KCSAN portion? The patch "kcsan: Simplify compiler flags" does the same, but is part of a future pull request intended for 5.9. The KCSAN changes had been in -next for well over a week. Also, I'm sorry I hadn't seen your patch before, otherwise I would have noticed this. Please see: https://lkml.kernel.org/r/20200624190236.GA6603@paulmck-ThinkPad-P72 > from the kbuild tree and commits: > > 2839a232071f ("kcsan: Simplify compiler flags") > 61d56d7aa5ec ("kcsan: Disable branch tracing in core runtime") > > from the rcu tree. > > I fixed it up (I just used the rcu tree version) and can carry the fix > as necessary. This is now fixed as far as linux-next is concerned, but > any non trivial conflicts should be mentioned to your upstream maintainer > when your tree is submitted for merging. You may also want to consider > cooperating with the maintainer of the conflicting tree to minimise any > particularly complex conflicts. Thank you! Thanks, -- Marco