From: Michal Sojka <sojkam1@fel.cvut.cz>
Date: Sat, 11 Dec 2010 08:19:46 +0000 (+0100)
Subject: Increase eth IRQ priority to avoid crash in highprio test
X-Git-Tag: fix-allnoconfig~233^2
X-Git-Url: http://rtime.felk.cvut.cz/gitweb/can-benchmark.git/commitdiff_plain/98eedfde4ce2dd4e59df37af5ebb1317f732a876

Increase eth IRQ priority to avoid crash in highprio test

It seems that IRQ prioeity must be higher than softirq priority
---

diff --git a/gw-tests/nop-highprio.sh b/gw-tests/nop-highprio.sh
index 8363fd5..271d64e 100755
--- a/gw-tests/nop-highprio.sh
+++ b/gw-tests/nop-highprio.sh
@@ -6,6 +6,12 @@ main() {
     sshgw cangw -A -s can0 -d can1
     sshgw 'if pid=`pidof irq/145-can0`; then chrt -p -f 99 $pid; fi'
     sshgw 'if pid=`pidof irq/146-can1`; then chrt -p -f 99 $pid; fi'
+
+    # Unfortunately, we must also increase FEC (Ethernet) IRQ priority
+    # to be above softirq. Otherwise the system crashes with eth load.
+    sshgw 'if pid=`pidof irq/192-mpc52xx`; then chrt -p -f 99 $pid; fi'
+    sshgw 'if pid=`pidof irq/193-mpc52xx`; then chrt -p -f 99 $pid; fi'
+
     sshgw 'if pid=`pidof sirq-net-rx/0`; then chrt -p -f 98 $pid; fi'
     sshgw 'if pid=`pidof sirq-net-tx/0`; then chrt -p -f 98 $pid; fi'
     latester -d can0 -d can1 -d can2 -c $COUNT $(traffic_and_length 2) -n len2