From 0b3d52790e1cfd6b80b826a245d24859e89632f7 Mon Sep 17 00:00:00 2001 From: Miroslav Benes Date: Tue, 15 Jan 2019 17:45:07 +0100 Subject: livepatch: Remove signal sysfs attribute The fake signal is send automatically now. We can rely on it completely and remove the sysfs attribute. Signed-off-by: Miroslav Benes Signed-off-by: Jiri Kosina --- kernel/livepatch/core.c | 32 -------------------------------- 1 file changed, 32 deletions(-) (limited to 'kernel/livepatch/core.c') diff --git a/kernel/livepatch/core.c b/kernel/livepatch/core.c index adca5cf07f7e..fe1993399823 100644 --- a/kernel/livepatch/core.c +++ b/kernel/livepatch/core.c @@ -313,7 +313,6 @@ static int klp_write_object_relocations(struct module *pmod, * /sys/kernel/livepatch/ * /sys/kernel/livepatch//enabled * /sys/kernel/livepatch//transition - * /sys/kernel/livepatch//signal * /sys/kernel/livepatch//force * /sys/kernel/livepatch// * /sys/kernel/livepatch/// @@ -382,35 +381,6 @@ static ssize_t transition_show(struct kobject *kobj, patch == klp_transition_patch); } -static ssize_t signal_store(struct kobject *kobj, struct kobj_attribute *attr, - const char *buf, size_t count) -{ - struct klp_patch *patch; - int ret; - bool val; - - ret = kstrtobool(buf, &val); - if (ret) - return ret; - - if (!val) - return count; - - mutex_lock(&klp_mutex); - - patch = container_of(kobj, struct klp_patch, kobj); - if (patch != klp_transition_patch) { - mutex_unlock(&klp_mutex); - return -EINVAL; - } - - klp_send_signals(); - - mutex_unlock(&klp_mutex); - - return count; -} - static ssize_t force_store(struct kobject *kobj, struct kobj_attribute *attr, const char *buf, size_t count) { @@ -442,12 +412,10 @@ static ssize_t force_store(struct kobject *kobj, struct kobj_attribute *attr, static struct kobj_attribute enabled_kobj_attr = __ATTR_RW(enabled); static struct kobj_attribute transition_kobj_attr = __ATTR_RO(transition); -static struct kobj_attribute signal_kobj_attr = __ATTR_WO(signal); static struct kobj_attribute force_kobj_attr = __ATTR_WO(force); static struct attribute *klp_patch_attrs[] = { &enabled_kobj_attr.attr, &transition_kobj_attr.attr, - &signal_kobj_attr.attr, &force_kobj_attr.attr, NULL }; -- cgit v1.2.3