(fwd to selinux list as this is a general selinux kernel issue)
---------- Forwarded message ----------
From: Jaejyn Shin <flagon22bass@xxxxxxxxx>
Date: Wed, Jun 25, 2014 at 4:36 AM
Subject: Booting time is increased after applying kernel 3.10
To: "seandroid-list@xxxxxxxxxxxxx" <seandroid-list@xxxxxxxxxxxxx>
Dear SEAndroid and SELinux developer
First of all, I always appreciate that I get lots of information in
this e-mailing list.
After applying kernel 3.10, the booting time of my device has been increased
Especially, the selinux initializing time is increased (about 0.5s).
I analized the reason, and I found that the synchronize_net function
has 0.1s delay.
before)
selinux_initialize
-> selinux_android_load_policy
-> selinux_android_reload_policy
-> security_load_policy
-> avc_ss_reset
-> sel_netport_avc_callback -> synchronize_net
-> sel_netnode_avc_callback -> synchronize_net
-> sel_netif_avc_callback -> synchronize_net
-> security_setenforce
-> sel_write_enforce
-> avc_ss_reset
-> sel_netport_avc_callback -> synchronize_net
-> sel_netnode_avc_callback -> synchronize_net
-> sel_netif_avc_callback -> synchronize_net
To make fast the booting time, can I don't call the avc_ss_reset
function only during initializing selinux ?
after)
selinux_initialize
-> selinux_android_load_policy
-> selinux_android_reload_policy
-> security_load_policy
X-> avc_ss_reset
-> security_setenforce
-> sel_write_enforce
X-> avc_ss_reset
Is it possible?
Thank you
Best regards
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