#!/bin/sh SRC_TREE=../../../../ test_run() { sysctl -w net.core.bpf_jit_enable=$1 2>&1 > /dev/null sysctl -w net.core.bpf_jit_harden=$2 2>&1 > /dev/null echo "[ JIT enabled:$1 hardened:$2 ]" dmesg -C insmod $SRC_TREE/lib/test_bpf.ko 2> /dev/null if [ $? -ne 0 ]; then rc=1 fi rmmod test_bpf 2> /dev/null dmesg | grep FAIL } test_save() { JE=`sysctl -n net.core.bpf_jit_enable` JH=`sysctl -n net.core.bpf_jit_harden` } test_restore() { sysctl -w net.core.bpf_jit_enable=$JE 2>&1 > /dev/null sysctl -w net.core.bpf_jit_harden=$JH 2>&1 > /dev/null } rc=0 test_save test_run 0 0 test_run 1 0 test_run 1 1 test_run 1 2 test_restore exit $rc t.cgi/'>cgit logo index : net-next.git
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authorJohan Hovold <johan@kernel.org>2017-01-30 11:26:38 +0100
committerJiri Kosina <jkosina@suse.cz>2017-01-31 12:59:32 +0100
commit7a7b5df84b6b4e5d599c7289526eed96541a0654 (patch)
treecf7514c7ddf4410fe37ca9099a2785e1cf08fa7d /tools/power
parent877a021e08ccb6434718c0cc781fdf943c884cc0 (diff)
HID: cp2112: fix sleep-while-atomic
A recent commit fixing DMA-buffers on stack added a shared transfer buffer protected by a spinlock. This is broken as the USB HID request callbacks can sleep. Fix this up by replacing the spinlock with a mutex. Fixes: 1ffb3c40ffb5 ("HID: cp2112: make transfer buffers DMA capable") Cc: stable <stable@vger.kernel.org> # 4.9 Signed-off-by: Johan Hovold <johan@kernel.org> Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'tools/power')