From 8df1947c71ee53c7e21c96c83796dd8cf06ae77c Mon Sep 17 00:00:00 2001
From: Miroslav Benes <mbenes@suse.cz>
Date: Mon, 29 Mar 2021 15:28:15 +0200
Subject: 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>
---
 kernel/signal.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

(limited to 'kernel/signal.c')

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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