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[src/trunk]: src/sys/uvm uvm: Make sure swap encryption IV is 128-bit-aligned...
details: https://anonhg.NetBSD.org/src/rev/c8649eeff92e
branches: trunk
changeset: 973399:c8649eeff92e
user: riastradh <riastradh%NetBSD.org@localhost>
date: Mon Jun 29 23:40:28 2020 +0000
description:
uvm: Make sure swap encryption IV is 128-bit-aligned on stack.
Will help hardware-assisted AES.
diffstat:
sys/uvm/uvm_swap.c | 8 ++++----
1 files changed, 4 insertions(+), 4 deletions(-)
diffs (36 lines):
diff -r b892208cd405 -r c8649eeff92e sys/uvm/uvm_swap.c
--- a/sys/uvm/uvm_swap.c Mon Jun 29 23:39:30 2020 +0000
+++ b/sys/uvm/uvm_swap.c Mon Jun 29 23:40:28 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: uvm_swap.c,v 1.194 2020/06/29 23:33:46 riastradh Exp $ */
+/* $NetBSD: uvm_swap.c,v 1.195 2020/06/29 23:40:28 riastradh Exp $ */
/*
* Copyright (c) 1995, 1996, 1997, 2009 Matthew R. Green
@@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: uvm_swap.c,v 1.194 2020/06/29 23:33:46 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: uvm_swap.c,v 1.195 2020/06/29 23:40:28 riastradh Exp $");
#include "opt_uvmhist.h"
#include "opt_compat_netbsd.h"
@@ -2089,7 +2089,7 @@
static void
uvm_swap_encryptpage(struct swapdev *sdp, void *kva, int slot)
{
- uint8_t preiv[16] = {0}, iv[16];
+ uint8_t preiv[16] __aligned(16) = {0}, iv[16] __aligned(16);
/* iv := AES_k(le32enc(slot) || 0^96) */
le32enc(preiv, slot);
@@ -2111,7 +2111,7 @@
static void
uvm_swap_decryptpage(struct swapdev *sdp, void *kva, int slot)
{
- uint8_t preiv[16] = {0}, iv[16];
+ uint8_t preiv[16] __aligned(16) = {0}, iv[16] __aligned(16);
/* iv := AES_k(le32enc(slot) || 0^96) */
le32enc(preiv, slot);
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