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From: Randy Dunlap <rdunlap@infradead.org>
To: linux-kernel@vger.kernel.org
Cc: Randy Dunlap <rdunlap@infradead.org>,
	Huacai Chen <chenhuacai@kernel.org>,
	WANG Xuerui <kernel@xen0n.name>,
	loongarch@lists.linux.dev,
	Kent Overstreet <kent.overstreet@linux.dev>
Subject: [PATCH v3] LoongArch: signal.c: add header file to fix build error
Date: Thu, 21 Dec 2023 20:58:25 -0800
Message-ID: <20231222045825.14732-1-rdunlap@infradead.org>
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loongarch's signal.c uses rseq_signal_deliver() so it should
pull in the appropriate header to prevent a build error:

../arch/loongarch/kernel/signal.c: In function 'handle_signal':
../arch/loongarch/kernel/signal.c:1034:9: error: implicit declaration of function 'rseq_signal_deliver' [-Werror=implicit-function-declaration]
 1034 |         rseq_signal_deliver(ksig, regs);
      |         ^~~~~~~~~~~~~~~~~~~

Fixes: b74baf4ad05b ("LoongArch: Add signal handling support")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Huacai Chen <chenhuacai@kernel.org>
Cc: WANG Xuerui <kernel@xen0n.name>
Cc: loongarch@lists.linux.dev
Cc: Kent Overstreet <kent.overstreet@linux.dev>
---
v2: repair Cc: list
v3: use Kent's @linux.dev email address

 arch/loongarch/kernel/signal.c |    1 +
 1 file changed, 1 insertion(+)

diff -- a/arch/loongarch/kernel/signal.c b/arch/loongarch/kernel/signal.c
--- a/arch/loongarch/kernel/signal.c
+++ b/arch/loongarch/kernel/signal.c
@@ -15,6 +15,7 @@
 #include <linux/context_tracking.h>
 #include <linux/entry-common.h>
 #include <linux/irqflags.h>
+#include <linux/rseq.h>
 #include <linux/sched.h>
 #include <linux/mm.h>
 #include <linux/personality.h>