Committerbouyer (1)
BranchesHEAD (1)
Tagspgoyette-compat-0728 (1)


NetBSD/src pKELGaM — sys/kern kern_synch.c

by bouyer on ⎇🏷
   In mi_switch(), also call pserialize_switchpoint() if we're not switching
   to another lwp, as proposed on
   http://mail-index.netbsd.org/tech-kern/2018/07/20/msg023709.html

   Without it, on a SMP machine with few processes running (e.g while
   running sysinst), pserialize could hang for a long time until all
   CPUs got a LWP to run (or, eventually, forever).
   Tested on Xen domUs with 4 CPUs, and on a 64-threads AMD machine.
VersionDeltaFile
1.317+3-2sys/kern/kern_synch.c
+3-21 files

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