summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorFlorian Westphal <fw@strlen.de>2014-08-26 12:55:53 +0200
committerDavid S. Miller <davem@davemloft.net>2014-08-27 16:30:49 -0700
commit253ff51635ad6690276ef065d59523c4bd1cd584 (patch)
tree7024bed49e3532b3a382c66150fd2c3681559c87
parent1fc3de94076cd0c1e53e5ba8061763b33c7b27c2 (diff)
downloadlinux-253ff51635ad6690276ef065d59523c4bd1cd584.tar.bz2
tcp: syncookies: mark cookie_secret read_mostly
only written once. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/ipv4/syncookies.c2
-rw-r--r--net/ipv6/syncookies.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c
index c0c75688896e..0431a8f3c8f4 100644
--- a/net/ipv4/syncookies.c
+++ b/net/ipv4/syncookies.c
@@ -25,7 +25,7 @@
extern int sysctl_tcp_syncookies;
-static u32 syncookie_secret[2][16-4+SHA_DIGEST_WORDS];
+static u32 syncookie_secret[2][16-4+SHA_DIGEST_WORDS] __read_mostly;
#define COOKIEBITS 24 /* Upper bits store count */
#define COOKIEMASK (((__u32)1 << COOKIEBITS) - 1)
diff --git a/net/ipv6/syncookies.c b/net/ipv6/syncookies.c
index 83cea1d39466..c643dc907ce7 100644
--- a/net/ipv6/syncookies.c
+++ b/net/ipv6/syncookies.c
@@ -24,7 +24,7 @@
#define COOKIEBITS 24 /* Upper bits store count */
#define COOKIEMASK (((__u32)1 << COOKIEBITS) - 1)
-static u32 syncookie6_secret[2][16-4+SHA_DIGEST_WORDS];
+static u32 syncookie6_secret[2][16-4+SHA_DIGEST_WORDS] __read_mostly;
/* RFC 2460, Section 8.3:
* [ipv6 tcp] MSS must be computed as the maximum packet size minus 60 [..]