[tip: core/headers] x86/boot: Explicitly include realmode.h to handle RM reservations

[tip-bot2 for Sean Christopherson]

The following commit has been merged into the core/headers branch of tip:

Commit-ID:     db802ef3c91fad3b40a240f63d8e2fda23a1a9b1
Gitweb:        https://git.kernel.org/tip/db802ef3c91fad3b40a240f63d8e2fda23a1a9b1
Author:        Sean Christopherson <sean.j.christopherson@xxxxxxxxx>
AuthorDate:    Mon, 18 Nov 2019 16:21:11 -08:00
Committer:     Ingo Molnar <mingo@xxxxxxxxxx>
CommitterDate: Tue, 19 Nov 2019 17:50:26 +01:00

x86/boot: Explicitly include realmode.h to handle RM reservations

Explicitly include asm/realmode.h, which provides reserve_real_mode(),
instead of picking it up by an indirect include of asm/acpi.h.  acpi.h
will soon stop including realmode.h so that changing realmode.h doesn't
require a full kernel rebuild.

Signed-off-by: Sean Christopherson <sean.j.christopherson@xxxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Link: https://lkml.kernel.org/r/20191119002121.4107-3-sean.j.christopherson@xxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
 arch/x86/kernel/setup.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index a871381..38dfb61 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -35,6 +35,7 @@
 #include <asm/kaslr.h>
 #include <asm/mce.h>
 #include <asm/mtrr.h>
+#include <asm/realmode.h>
 #include <asm/olpc_ofw.h>
 #include <asm/pci-direct.h>
 #include <asm/prom.h>