On Fri, 2017-10-13 at 20:31 +0000, Mateusz Guzik wrote: > Author: mjg > Date: Fri Oct 13 20:31:56 2017 > New Revision: 324609 > URL: https://svnweb.freebsd.org/changeset/base/324609 > > Log: > mtx: change MTX_UNOWNED from 4 to 0 > > The value is spread all over the kernel and zeroing a register is > cheaper/shorter than setting it up to an arbitrary value. > > Reduces amd64 GENERIC-NODEBUG .text size by 0.4%. > > MFC after: 1 week >
If you MFC this, won't that break the ABI for modules compiled against earlier versions of the branch? Also, won't this trigger a need to recompile out of tree modules such as video drivers, virtualbox, etc? Does that need an UPDATING entry? -- Ian _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
