From b291e9a36525d7da10edd8e2df1a5b70f92905af Mon Sep 17 00:00:00 2001 From: mdf Date: Wed, 2 Feb 2011 16:35:10 +0000 Subject: Put the general logic for being a CPU hog into a new function should_yield(). Use this in various places. Encapsulate the common case of check-and-yield into a new function maybe_yield(). Change several checks for a magic number of iterations to use should_yield() instead. MFC after: 1 week --- sys/mips/mips/uio_machdep.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'sys/mips') diff --git a/sys/mips/mips/uio_machdep.c b/sys/mips/mips/uio_machdep.c index a550ef0..10aa1d6 100644 --- a/sys/mips/mips/uio_machdep.c +++ b/sys/mips/mips/uio_machdep.c @@ -107,8 +107,7 @@ uiomove_fromphys(vm_page_t ma[], vm_offset_t offset, int n, struct uio *uio) } switch (uio->uio_segflg) { case UIO_USERSPACE: - if (ticks - PCPU_GET(switchticks) >= hogticks) - uio_yield(); + maybe_yield(); if (uio->uio_rw == UIO_READ) error = copyout(cp, iov->iov_base, cnt); else -- cgit v1.1