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authorMiroslav Benes <mbenes@suse.cz>2021-03-29 15:28:15 +0200
committerJiri Kosina <jkosina@suse.cz>2021-03-30 09:40:21 +0200
commit8df1947c71ee53c7e21c96c83796dd8cf06ae77c (patch)
treed9fc6a0386b7adf2428343648354b2e3f1f809dd /kernel/signal.c
parent54ab35d6bbc0d3175b0a74282c3365c80a43a93c (diff)
livepatch: Replace the fake signal sending with TIF_NOTIFY_SIGNAL infrastructure
Livepatch sends a fake signal to all remaining blocking tasks of a running transition after a set period of time. It uses TIF_SIGPENDING flag for the purpose. Commit 12db8b690010 ("entry: Add support for TIF_NOTIFY_SIGNAL") added a generic infrastructure to achieve the same. Replace our bespoke solution with the generic one. Reviewed-by: Jens Axboe <axboe@kernel.dk> Reviewed-by: Petr Mladek <pmladek@suse.com> Acked-by: Joe Lawrence <joe.lawrence@redhat.com> Signed-off-by: Miroslav Benes <mbenes@suse.cz> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'kernel/signal.c')
-rw-r--r--kernel/signal.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/kernel/signal.c b/kernel/signal.c
index 5ad8566534e7..fcdfba988414 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -43,7 +43,6 @@
#include <linux/cn_proc.h>
#include <linux/compiler.h>
#include <linux/posix-timers.h>
-#include <linux/livepatch.h>
#include <linux/cgroup.h>
#include <linux/audit.h>
@@ -181,8 +180,7 @@ void recalc_sigpending_and_wake(struct task_struct *t)
void recalc_sigpending(void)
{
- if (!recalc_sigpending_tsk(current) && !freezing(current) &&
- !klp_patch_pending(current))
+ if (!recalc_sigpending_tsk(current) && !freezing(current))
clear_thread_flag(TIF_SIGPENDING);
}

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