SELinux: remove unused av.decided field

It appears there was an intention to have the security server only decide
certain permissions and leave other for later as some sort of a portential
performance win.  We are currently always deciding all 32 bits of
permissions and this is a useless couple of branches and wasted space.
This patch completely drops the av.decided concept.

This in a 17% reduction in the time spent in avc_has_perm_noaudit
based on oprofile sampling of a tbench benchmark.

Signed-off-by: Eric Paris <eparis@redhat.com>
Reviewed-by: Paul Moore <paul.moore@hp.com>
Acked-by:  Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: James Morris <jmorris@namei.org>

1 files changed, 0 insertions, 1 deletions

diff --git a/security/selinux/include/security.h b/security/selinux/include/security.h
index e1d9db779983..5c3434f7626f 100644
--- a/security/selinux/include/security.h
+++ b/security/selinux/include/security.h
@@ -88,7 +88,6 @@ int security_policycap_supported(unsigned int req_cap);
 #define SEL_VEC_MAX 32
 struct av_decision {
         u32 allowed;
-        u32 decided;
         u32 auditallow;
         u32 auditdeny;
         u32 seqno;