selftests/livepatch/functions.sh

132 	local mod="$1"
134 	if [[ ! -f "test_modules/$mod.ko" ]]; then
135 		die "Can't find \"test_modules/$mod.ko\", try \"make\""
138 	if [[ $(modinfo "test_modules/$mod.ko" | awk '/^livepatch:/{print $NF}') == "Y" ]]; then
146 	local mod="$1"; shift
148 	local msg="% insmod test_modules/$mod.ko $*"
150 	ret=$(insmod "test_modules/$mod.ko" "$@" 2>&1)
156 	loop_until '[[ -e "/sys/module/$mod" ]]' ||
157 		die "failed to load module $mod"
165 	local mod="$1"; shift
167 	is_livepatch_mod "$mod" &&
168 		die "use load_lp() to load the livepatch module $mod"
170 	__load_mod "$mod" "$@"
178 	local mod="$1"; shift
180 	is_livepatch_mod "$mod" ||
181 		die "module $mod is not a livepatch"
183 	__load_mod "$mod" "$@"
186 	loop_until '[[ -e "/sys/kernel/livepatch/$mod" ]]' ||
187 		die "failed to load module $mod (sysfs)"
194 	local mod="$1"; shift
196 	load_lp_nowait "$mod" "$@"
199 	loop_until 'grep -q '^0$' /sys/kernel/livepatch/$mod/transition' ||
207 	local mod="$1"; shift
209 	local msg="% insmod test_modules/$mod.ko $*"
211 	ret=$(insmod "test_modules/$mod.ko" "$@" 2>&1)
213 		die "$mod unexpectedly loaded"
221 	local mod="$1"
224 	loop_until '[[ $(cat "/sys/module/$mod/refcnt") == "0" ]]' ||
225 		die "failed to unload module $mod (refcnt)"
227 	log "% rmmod $mod"
228 	ret=$(rmmod "$mod" 2>&1)
234 	loop_until '[[ ! -e "/sys/module/$mod" ]]' ||
235 		die "failed to unload module $mod (/sys/module)"
247 	local mod="$1"
249 	log "% echo 0 > /sys/kernel/livepatch/$mod/enabled"
250 	echo 0 > /sys/kernel/livepatch/"$mod"/enabled
254 	loop_until '[[ ! -e "/sys/kernel/livepatch/$mod" ]]' ||
255 		die "failed to disable livepatch $mod"
262 	local mod="$1"; shift
265 	log "% echo $ret > /sys/module/$mod/parameters/pre_patch_ret"
266 	echo "$ret" > /sys/module/"$mod"/parameters/pre_patch_ret
269 	loop_until '[[ $(cat "/sys/module/$mod/parameters/pre_patch_ret") == "$ret" ]]' ||
270 		die "failed to set pre_patch_ret parameter for $mod module"
321 	local mod="$1"; shift
325 	local path="$KLP_SYSFS_DIR/$mod/$rel_path"
337 	local mod="$1"; shift
341 	local path="$KLP_SYSFS_DIR/$mod/$rel_path"