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do_link_state_change() is executed in taskqueue context and in

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general is allowed to sleep.  Don't enter the epoch for the
whole duration.  If some event handlers need the epoch, they
should handle that theirselves.

Discussed with:	hselasky
This commit is contained in:
Gleb Smirnoff 2019-10-16 16:32:58 +00:00
parent caf894f793
commit b46d70fd88
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=353654
1 changed files with 0 additions and 3 deletions
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3
sys/net/if.c
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@ -2313,11 +2313,9 @@ if_link_state_change(struct ifnet *ifp, int link_state)
static void
do_link_state_change(void *arg, int pending)
{
struct epoch_tracker et;
struct ifnet *ifp;
int link_state;
NET_EPOCH_ENTER(et);
ifp = arg;
link_state = ifp->if_link_state;
@ -2345,7 +2343,6 @@ do_link_state_change(void *arg, int pending)
if (log_link_state_change)
if_printf(ifp, "link state changed to %s\n",
(link_state == LINK_STATE_UP) ? "UP" : "DOWN" );
NET_EPOCH_EXIT(et);
EVENTHANDLER_INVOKE(ifnet_link_event, ifp, link_state);
CURVNET_RESTORE();
}