[tip:x86/irq] x86/exceptions: Remove unused stack defines on 32bit

From: tip-bot for Thomas Gleixner
Date: Wed Apr 17 2019 - 10:07:27 EST


Commit-ID: 30842211506e376b76394a9cb4e6d0c9d258b8d4
Gitweb: https://git.kernel.org/tip/30842211506e376b76394a9cb4e6d0c9d258b8d4
Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
AuthorDate: Sun, 14 Apr 2019 17:59:44 +0200
Committer: Borislav Petkov <bp@xxxxxxx>
CommitDate: Wed, 17 Apr 2019 12:45:29 +0200

x86/exceptions: Remove unused stack defines on 32bit

Nothing requires those for 32bit builds.

Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Signed-off-by: Borislav Petkov <bp@xxxxxxx>
Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
Cc: Andy Lutomirski <luto@xxxxxxxxxx>
Cc: Dave Hansen <dave.hansen@xxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxx>
Cc: Sean Christopherson <sean.j.christopherson@xxxxxxxxx>
Cc: x86-ml <x86@xxxxxxxxxx>
Link: https://lkml.kernel.org/r/20190414160144.227822695@xxxxxxxxxxxxx
---
arch/x86/include/asm/page_32_types.h | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/arch/x86/include/asm/page_32_types.h b/arch/x86/include/asm/page_32_types.h
index 0d5c739eebd7..57b5dc15ca7e 100644
--- a/arch/x86/include/asm/page_32_types.h
+++ b/arch/x86/include/asm/page_32_types.h
@@ -22,11 +22,7 @@
#define THREAD_SIZE_ORDER 1
#define THREAD_SIZE (PAGE_SIZE << THREAD_SIZE_ORDER)

-#define DOUBLEFAULT_STACK 1
-#define NMI_STACK 0
-#define DEBUG_STACK 0
-#define MCE_STACK 0
-#define N_EXCEPTION_STACKS 1
+#define N_EXCEPTION_STACKS 1

#ifdef CONFIG_X86_PAE
/*