[PATCH 1/5] x86/alternatives: add missing insn.h include

[Dave Hansen]

From: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>

While testing my MPX removal series, Borislav noted compilation
failure with an allnoconfig build.

Turned out to be a missing include of insn.h in alternative.c.
With MPX, it got it implicitly from:

	asm/mmu_context.h -> asm/mpx.h -> asm/insn.h

Fixes: c3d6324f841b ("x86/alternatives: Teach text_poke_bp() to emulate instructions")
Reported-by: Borislav Petkov <bp@xxxxxxxxx>
Cc: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Cc: Andy Lutomirski <luto@xxxxxxxxxx>
Cc: x86@xxxxxxxxxx
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
---

 b/arch/x86/kernel/alternative.c |    1 +
 1 file changed, 1 insertion(+)

diff -puN arch/x86/kernel/alternative.c~x86-alternatives-include arch/x86/kernel/alternative.c
--- a/arch/x86/kernel/alternative.c~x86-alternatives-include	2020-01-23 10:41:03.811942442 -0800
+++ b/arch/x86/kernel/alternative.c	2020-01-23 10:41:03.815942442 -0800
@@ -23,6 +23,7 @@
 #include <asm/nmi.h>
 #include <asm/cacheflush.h>
 #include <asm/tlbflush.h>
+#include <asm/insn.h>
 #include <asm/io.h>
 #include <asm/fixmap.h>
 
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