CVS: cvs.openbsd.org: src

[Visa Hankala]

CVSROOT:        /cvs
Module name:    src
Changes by:     v...@cvs.openbsd.org    2017/03/07 06:59:51

Modified files:
        sys/arch/amd64/amd64: mutex.S 

Log message:
Make the slow path similar to i386's by checking mutex owner
on every iteration.

OK mikeb@, kettenis@, mpi@, tom@, mlarkin@