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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/core | |
| 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/core')
| -rw-r--r-- | net/core/flow_dissector.c | 2 | ||||
| -rw-r--r-- | net/core/secure_seq.c | 4 |
2 files changed, 3 insertions, 3 deletions
diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c index 3255f57f5131..257976cb55ce 100644 --- a/net/core/flow_dissector.c +++ b/net/core/flow_dissector.c @@ -1460,7 +1460,7 @@ out_bad: } EXPORT_SYMBOL(__skb_flow_dissect); -static siphash_key_t hashrnd __read_mostly; +static siphash_aligned_key_t hashrnd; static __always_inline void __flow_hash_secret_init(void) { net_get_random_once(&hashrnd, sizeof(hashrnd)); diff --git a/net/core/secure_seq.c b/net/core/secure_seq.c index b5bc680d4755..9b8443774449 100644 --- a/net/core/secure_seq.c +++ b/net/core/secure_seq.c @@ -19,8 +19,8 @@ #include <linux/in6.h> #include <net/tcp.h> -static siphash_key_t net_secret __read_mostly; -static siphash_key_t ts_secret __read_mostly; +static siphash_aligned_key_t net_secret; +static siphash_aligned_key_t ts_secret; static __always_inline void net_secret_init(void) { |