From: Anisse Astier <aastier@xxxxxxxxxx> 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 asm/ptrace.h. Fixes: 9cdc0108baa8 ("arm64: ssbd: Add prctl interface for per-thread mitigation") Cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Anisse Astier <aastier@xxxxxxxxxx> Signed-off-by: Will Deacon <will.deacon@xxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- 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>