On 05/18/16 08:50, Justin Hibbits wrote:
On Wed, 18 May 2016 15:45:12 +0000 (UTC)
Scott Long <sco...@freebsd.org> wrote:
Author: scottl
Date: Wed May 18 15:45:12 2016
New Revision: 300154
URL: https://svnweb.freebsd.org/changeset/base/300154
Log:
Activate the NO_64BIT_ATOMICS code for mips and powerpc
Modified:
head/sys/net/mp_ring.c
Modified: head/sys/net/mp_ring.c
==============================================================================
--- head/sys/net/mp_ring.c Wed May 18 15:44:45 2016
(r300153) +++ head/sys/net/mp_ring.c Wed May 18 15:45:12
2016 (r300154) @@ -37,15 +37,17 @@ __FBSDID("$FreeBSD$");
#include <sys/malloc.h>
#include <machine/cpu.h>
-
-
-#include <net/mp_ring.h>
+#if defined(__powerpc__) || defined(__mips__)
+#define NO_64BIT_ATOMICS
+#endif
#if defined(__i386__)
#define atomic_cmpset_acq_64 atomic_cmpset_64
#define atomic_cmpset_rel_64 atomic_cmpset_64
#endif
+#include <net/mp_ring.h>
+
union ring_state {
struct {
uint16_t pidx_head;
powerpc64 defines both __powerpc__ and __powerpc64__, so you're killing
atomics on powerpc64 with this.
- Justin
Don't all of our 64-bit platforms have 64-bit atomics? So you could just
#if defined(__LP64__) || defined(__i386__) ||
defined(__whatever_the_thing_is_for_mips_n32__)
-Nathan
_______________________________________________
svn-src-head@freebsd.org mailing list
https://lists.freebsd.org/mailman/listinfo/svn-src-head
To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
