svn commit: r354972 - in head/sys: arm/include mips/include
Warner Losh
imp at FreeBSD.org
Thu Nov 21 18:49:55 UTC 2019
Author: imp
Date: Thu Nov 21 18:49:54 2019
New Revision: 354972
URL: https://svnweb.freebsd.org/changeset/base/354972
Log:
Remove two obsolete comments that reference splhigh/splx.
Modified:
head/sys/arm/include/profile.h
head/sys/mips/include/profile.h
Modified: head/sys/arm/include/profile.h
==============================================================================
--- head/sys/arm/include/profile.h Thu Nov 21 18:21:30 2019 (r354971)
+++ head/sys/arm/include/profile.h Thu Nov 21 18:49:54 2019 (r354972)
@@ -114,12 +114,6 @@ void user(void);
#include <machine/asm.h>
#include <machine/cpufunc.h>
-/*
- * splhigh() and splx() are heavyweight, and call mcount(). Therefore
- * we disabled interrupts (IRQ, but not FIQ) directly on the CPU.
- *
- * We're lucky that the CPSR and 's' both happen to be 'int's.
- */
#define MCOUNT_ENTER(s) {s = intr_disable(); } /* kill IRQ */
#define MCOUNT_EXIT(s) {intr_restore(s); } /* restore old value */
Modified: head/sys/mips/include/profile.h
==============================================================================
--- head/sys/mips/include/profile.h Thu Nov 21 18:21:30 2019 (r354971)
+++ head/sys/mips/include/profile.h Thu Nov 21 18:49:54 2019 (r354972)
@@ -76,13 +76,6 @@
".set at");
#ifdef _KERNEL
-/*
- * The following two macros do splhigh and splx respectively.
- * They have to be defined this way because these are real
- * functions on the MIPS, and we do not want to invoke mcount
- * recursively.
- */
-
#define MCOUNT_DECL(s) u_long s;
#ifdef SMP
extern int mcount_lock;
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