[src/trunk]: src/sys/opencrypto pack crypto_drivers variables to struct and a...

[knakahara <knakahara%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/28e59867402e
branches:  trunk
changeset: 355496:28e59867402e
user:      knakahara <knakahara%NetBSD.org@localhost>
date:      Mon Jul 31 04:21:59 2017 +0000

description:
pack crypto_drivers variables to struct and add cacheline_aligned qualifier.

diffstat:

 sys/opencrypto/crypto.c |  16 +++++++++++-----
 1 files changed, 11 insertions(+), 5 deletions(-)

diffs (38 lines):

diff -r 59d543e4d8bd -r 28e59867402e sys/opencrypto/crypto.c
--- a/sys/opencrypto/crypto.c   Mon Jul 31 04:19:26 2017 +0000
+++ b/sys/opencrypto/crypto.c   Mon Jul 31 04:21:59 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: crypto.c,v 1.97 2017/07/31 04:19:26 knakahara Exp $ */
+/*     $NetBSD: crypto.c,v 1.98 2017/07/31 04:21:59 knakahara Exp $ */
 /*     $FreeBSD: src/sys/opencrypto/crypto.c,v 1.4.2.5 2003/02/26 00:14:05 sam Exp $   */
 /*     $OpenBSD: crypto.c,v 1.41 2002/07/17 23:52:38 art Exp $ */
 
@@ -53,7 +53,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: crypto.c,v 1.97 2017/07/31 04:19:26 knakahara Exp $");
+__KERNEL_RCSID(0, "$NetBSD: crypto.c,v 1.98 2017/07/31 04:21:59 knakahara Exp $");
 
 #include <sys/param.h>
 #include <sys/reboot.h>
@@ -85,10 +85,16 @@
  * crypto_drivers table with crypto_get_driverid() and then registering
  * each algorithm they support with crypto_register() and crypto_kregister().
  */
-static kmutex_t crypto_drv_mtx;
 /* Don't directly access crypto_drivers[i], use crypto_checkdriver(i). */
-static struct cryptocap *crypto_drivers;
-static int crypto_drivers_num;
+static struct {
+       kmutex_t mtx;
+       int num;
+       struct cryptocap *list;
+} crypto_drv __cacheline_aligned;
+#define crypto_drv_mtx         (crypto_drv.mtx)
+#define crypto_drivers_num     (crypto_drv.num)
+#define crypto_drivers         (crypto_drv.list)
+
 static void *crypto_q_si;
 static void *crypto_ret_si;