[PATCH] arm64/fpsimd: add <asm/insn.h> to <asm/kprobes.h> to fix fpsimd build

[Randy Dunlap]

Adding <asm/exception.h> brought in <asm/kprobes.h> which uses
<asm/probes.h>, which uses 'pstate_check_t' so the latter needs to
#include <asm/insn.h> for this typedef.

Fixes this build error:

  In file included from arch/arm64/include/asm/kprobes.h:24,
                    from arch/arm64/include/asm/exception.h:11,
                    from arch/arm64/kernel/fpsimd.c:35:
  arch/arm64/include/asm/probes.h:16:2: error: unknown type name 'pstate_check_t'
      16 |  pstate_check_t *pstate_cc;


Fixes: c6b90d5cf637 ("arm64/fpsimd: Fix missing-prototypes in fpsimd.c")
Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Cc: Will Deacon <will@xxxxxxxxxx>
Cc: Tian Tao <tiantao6@xxxxxxxxxxxxx>
---
 arch/arm64/include/asm/probes.h |    2 ++
 1 file changed, 2 insertions(+)

--- linux-next-20201120.orig/arch/arm64/include/asm/probes.h
+++ linux-next-20201120/arch/arm64/include/asm/probes.h
@@ -7,6 +7,8 @@
 #ifndef _ARM_PROBES_H
 #define _ARM_PROBES_H
 
+#include <asm/insn.h>
+
 typedef u32 probe_opcode_t;
 typedef void (probes_handler_t) (u32 opcode, long addr, struct pt_regs *);