On Wed, Jan 23, 2019 at 07:47:47AM +1100, Stephen Rothwell wrote: > Hi Christoph, > > In commit > > 702e8ed37bed ("arm64/xen: fix xen-swiotlb cache flushing") > > Fixes tag > > Fixes: 356da6d0cd ("dma-mapping: bypass indirect calls for dma-direct") > > has these problem(s): > > - SHA1 should be at least 12 digits long When did we decide on that? As far as I know it was bumped to 10 a while ago. 12 basically makes the line even more unreadable. > In commit > > 8218a55b6b91 ("sbitmap: Protect swap_lock from hardirq") > > Fixes tag > > Fixes: ab53dcfb3e7b ("sbitmap: Protect swap_lock from hardirq") > > has these problem(s): > > - Target SHA1 does not exist > > This later patch appears to already be in Linus' tree as commit > fe76fc6aaf53 (also with an incorrect Fixes tag :-() That commit is not from the dma-mapping tree..