diff options
| author | Eric Dumazet <edumazet@google.com> | 2019-12-06 09:38:36 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-12-06 12:06:44 -0800 |
| commit | 1af66221a66de080274540a5c481ddacbe3574d2 (patch) | |
| tree | a590d14576eeb53502e7d98d3a222e2368099c59 /net/tls/tls_device.c | |
| parent | 462f8554a89643dcd0981790101a31a01aa812fe (diff) | |
net: avoid an indirect call in ____sys_recvmsg()
CONFIG_RETPOLINE=y made indirect calls expensive.
gcc seems to add an indirect call in ____sys_recvmsg().
Rewriting the code slightly makes sure to avoid this indirection.
Alternative would be to not call sock_recvmsg() and instead
use security_socket_recvmsg() and sock_recvmsg_nosec(),
but this is less readable IMO.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: David Laight <David.Laight@aculab.com>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/tls/tls_device.c')
0 files changed, 0 insertions, 0 deletions