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From: Adrian Chadd <adrian@FreeBSD.org>
Date: Wed, 29 Apr 2015 04:08:17 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r282210 - head/sys/sys
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Author: adrian
Date: Wed Apr 29 04:08:17 2015
New Revision: 282210
URL: https://svnweb.freebsd.org/changeset/base/282210

Log:
  Constify some const parameters in seq.h.
  
  The NUMA work I'm doing uses const for read-only parameters, which requires
  the seq.h API to also use const for read-only parameters.
  
  Reviewed by:	mjg

Modified:
  head/sys/sys/seq.h

Modified: head/sys/sys/seq.h
==============================================================================
--- head/sys/sys/seq.h	Wed Apr 29 02:01:46 2015	(r282209)
+++ head/sys/sys/seq.h	Wed Apr 29 04:08:17 2015	(r282210)
@@ -79,7 +79,7 @@ typedef uint32_t seq_t;
  * on amd64 but still has unnecessary cost.
  */
 static __inline int
-atomic_load_rmb_int(volatile u_int *p)
+atomic_load_rmb_int(volatile const u_int *p)
 {
 	volatile u_int v;
 
@@ -89,7 +89,7 @@ atomic_load_rmb_int(volatile u_int *p)
 }
 
 static __inline int
-atomic_rmb_load_int(volatile u_int *p)
+atomic_rmb_load_int(volatile const u_int *p)
 {
 	volatile u_int v = 0;
 
@@ -122,7 +122,7 @@ seq_write_end(seq_t *seqp)
 }
 
 static __inline seq_t
-seq_read(seq_t *seqp)
+seq_read(const seq_t *seqp)
 {
 	seq_t ret;
 
@@ -139,7 +139,7 @@ seq_read(seq_t *seqp)
 }
 
 static __inline seq_t
-seq_consistent(seq_t *seqp, seq_t oldseq)
+seq_consistent(const seq_t *seqp, seq_t oldseq)
 {
 
 	return (atomic_rmb_load_int(seqp) == oldseq);