Module Name: src Committed By: yamt Date: Fri Apr 8 10:36:58 UTC 2011
Modified Files: src/sys/sys: userret.h Log Message: comment To generate a diff of this commit: cvs rdiff -u -r1.22 -r1.23 src/sys/sys/userret.h Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/sys/userret.h diff -u src/sys/sys/userret.h:1.22 src/sys/sys/userret.h:1.23 --- src/sys/sys/userret.h:1.22 Fri Feb 25 22:37:12 2011 +++ src/sys/sys/userret.h Fri Apr 8 10:36:58 2011 @@ -1,4 +1,4 @@ -/* $NetBSD: userret.h,v 1.22 2011/02/25 22:37:12 yamt Exp $ */ +/* $NetBSD: userret.h,v 1.23 2011/04/08 10:36:58 yamt Exp $ */ /*- * Copyright (c) 1998, 2000, 2003, 2006, 2008 The NetBSD Foundation, Inc. @@ -94,6 +94,13 @@ if (__predict_false(((l->l_flag & LW_USERRET) | p->p_timerpend) != 0)) lwp_userret(l); l->l_kpriority = false; + /* + * cpu_set_curpri(prio) is a MD optimized version of: + * + * kpreempt_disable(); + * curcpu()->ci_schedstate.spc_curpriority = prio; + * kpreempt_enable(); + */ cpu_set_curpri(l->l_priority); /* XXX this needs to die */ #else ci = l->l_cpu;