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| author |   Eric Dumazet <edumazet@google.com> | 2021-11-15 09:23:03 -0800 |
|---|---|---|
| committer |   Jakub Kicinski <kuba@kernel.org> | 2021-11-16 19:07:54 -0800 |
| commit | 49ecc2e9c3abd269951972fa8b23a4d081111b80 (patch) | |
| tree | a80df702ca11dfc0473c23ed47b6552ce63f2a6a /net/ipv4/syncookies.c | |
| parent | net: use .data.once section in netdev_level_once() (diff) | |
| download | linux-dev-49ecc2e9c3abd269951972fa8b23a4d081111b80.tar.xz linux-dev-49ecc2e9c3abd269951972fa8b23a4d081111b80.zip | |
net: align static siphash keys
siphash keys use 16 bytes.
Define siphash_aligned_key_t macro so that we can make sure they
are not crossing a cache line boundary.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/ipv4/syncookies.c')
| -rw-r--r-- | net/ipv4/syncookies.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c index 8696dc343ad2..2cb3b852d148 100644 --- a/net/ipv4/syncookies.c +++ b/net/ipv4/syncookies.c @@ -14,7 +14,7 @@ #include <net/tcp.h> #include <net/route.h> -static siphash_key_t syncookie_secret[2] __read_mostly; +static siphash_aligned_key_t syncookie_secret[2]; #define COOKIEBITS 24 /* Upper bits store count */ #define COOKIEMASK (((__u32)1 << COOKIEBITS) - 1) |