gitweb.dragonflybsd.org Git - dragonfly.git/commit - sys/platform/vkernel/i386/cpu

author	Matthew Dillon <dillon@apollo.backplane.com>
	Sat, 28 Aug 2010 02:39:42 +0000 (19:39 -0700)
committer	Matthew Dillon <dillon@apollo.backplane.com>
	Sat, 28 Aug 2010 02:39:42 +0000 (19:39 -0700)
commit	b68e846fa236b7b7beeb23a84108fb713272440d
tree	14cd5e58a4e4f64badb0a8ec71fdee2393f0e42d	tree \| snapshot
parent	12586b823bd2bb1e45d057286b2912e27a33bacb	commit \| diff

kernel - Adjust contention handler

* Simplify handle_cpu_contention_mask() a little.  For vkernels we
  call pthread_yield().

* Just call cpu_pause() in cpu_spinlock_contested().  Don't do anything
  fancier, the routine is called as part of the exponential backoff
  code.

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sys/platform/pc32/i386/machdep.c		diff \| blob \| blame \| history
sys/platform/pc64/x86_64/machdep.c		diff \| blob \| blame \| history
sys/platform/vkernel/i386/cpu_regs.c		diff \| blob \| blame \| history
sys/platform/vkernel64/x86_64/cpu_regs.c		diff \| blob \| blame \| history