Commit e2d09e5a authored by Eric Dumazet's avatar Eric Dumazet Committed by Jakub Kicinski
Browse files

net: dst_cache: minor optimization in dst_cache_set_ip6() 



There is no need to use this_cpu_ptr(dst_cache->cache) twice.

Compiler is unable to optimize the second call, because of
per-cpu constraints.

Signed-off-by: default avatarEric Dumazet <edumazet@google.com>
Acked-by: default avatarPaolo Abeni <pabeni@redhat.com>
Link: https://lore.kernel.org/r/20240507132717.627518-1-edumazet@google.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 3b09b2bd

net/core/dst_cache.c

+1 −1
Original line number Diff line number Diff line
@@ -112,7 +112,7 @@ void dst_cache_set_ip6(struct dst_cache *dst_cache, struct dst_entry *dst, 
		return;



	idst = this_cpu_ptr(dst_cache->cache);

	dst_cache_per_cpu_dst_set(this_cpu_ptr(dst_cache->cache), dst,

	dst_cache_per_cpu_dst_set(idst, dst,

				  rt6_get_cookie(dst_rt6_info(dst)));

	idst->in6_saddr = *saddr;

}