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Subject[PATCH 4.19 78/90] arm64: ssbd: explicitly depend on <linux/prctl.h>
From: Anisse Astier <>

commit adeaa21a4b6954e878f3f7d1c5659ed9c1fe567a upstream.

Fix ssbd.c which depends implicitly on asm/ptrace.h including
linux/prctl.h (through for example linux/compat.h, then linux/time.h,
linux/seqlock.h, linux/spinlock.h and linux/irqflags.h), and uses
PR_SPEC* defines.

This is an issue since we'll soon be removing the include from

Fixes: 9cdc0108baa8 ("arm64: ssbd: Add prctl interface for per-thread mitigation")
Signed-off-by: Anisse Astier <>
Signed-off-by: Will Deacon <>
Signed-off-by: Greg Kroah-Hartman <>

arch/arm64/kernel/ssbd.c | 1 +
1 file changed, 1 insertion(+)

--- a/arch/arm64/kernel/ssbd.c
+++ b/arch/arm64/kernel/ssbd.c
@@ -4,6 +4,7 @@

#include <linux/errno.h>
+#include <linux/prctl.h>
#include <linux/sched.h>
#include <linux/thread_info.h>

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