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authorSirshak Das <sirshak.das@arm.com>2018-10-03 22:53:51 +0000
committerDamjan Marion <dmarion@me.com>2018-10-19 07:10:47 +0000
commit2f6d7bb93c157b874efb79a2d1583a4c368bf89a (patch)
tree05dc2867c598cbb8d711f074b4b0eb62dd464f41 /src/plugins/acl/session_inlines.h
parentbf3443b0f852f5a4c551d12f926defbd047f2161 (diff)
vppinfra: add atomic macros for __sync builtins
This is first part of addition of atomic macros with only macros for __sync builtins. - Based on earlier patch by Damjan (https://gerrit.fd.io/r/#/c/10729/) Additionally - clib_atomic_release macro added and used in the absence of any memory barrier. - clib_atomic_bool_cmp_and_swap added Change-Id: Ie4e48c1e184a652018d1d0d87c4be80ddd180a3b Original-patch-by: Damjan Marion <damarion@cisco.com> Signed-off-by: Sirshak Das <sirshak.das@arm.com> Reviewed-by: Honnappa Nagarahalli <honnappa.nagarahalli@arm.com> Reviewed-by: Ola Liljedahl <ola.liljedahl@arm.com> Reviewed-by: Steve Capper <steve.capper@arm.com>
Diffstat (limited to 'src/plugins/acl/session_inlines.h')
-rw-r--r--src/plugins/acl/session_inlines.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/plugins/acl/session_inlines.h b/src/plugins/acl/session_inlines.h
index 6ac5983e086..cd23f390b28 100644
--- a/src/plugins/acl/session_inlines.h
+++ b/src/plugins/acl/session_inlines.h
@@ -410,7 +410,7 @@ acl_fa_deactivate_session (acl_main_t * am, u32 sw_if_index,
}
sess->deleted = 1;
- clib_smp_atomic_add (&am->fa_session_total_deactivations, 1);
+ clib_atomic_fetch_add (&am->fa_session_total_deactivations, 1);
clib_mem_set_heap (oldheap);
}
@@ -432,7 +432,7 @@ acl_fa_put_session (acl_main_t * am, u32 sw_if_index,
vec_validate (pw->fa_session_dels_by_sw_if_index, sw_if_index);
clib_mem_set_heap (oldheap);
pw->fa_session_dels_by_sw_if_index[sw_if_index]++;
- clib_smp_atomic_add (&am->fa_session_total_dels, 1);
+ clib_atomic_fetch_add (&am->fa_session_total_dels, 1);
}
always_inline int
@@ -571,7 +571,7 @@ acl_fa_add_session (acl_main_t * am, int is_input, int is_ip6,
vec_validate (pw->fa_session_adds_by_sw_if_index, sw_if_index);
clib_mem_set_heap (oldheap);
pw->fa_session_adds_by_sw_if_index[sw_if_index]++;
- clib_smp_atomic_add (&am->fa_session_total_adds, 1);
+ clib_atomic_fetch_add (&am->fa_session_total_adds, 1);
return sess;
}