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

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Date:   Wed, 17 Apr 2019 07:06:39 -0700
From:   tip-bot for Thomas Gleixner <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     jpoimboe@...hat.com, mhocko@...e.com, bp@...e.de,
        dave.hansen@...el.com, sean.j.christopherson@...el.com,
        mingo@...hat.com, x86@...nel.org, tglx@...utronix.de,
        luto@...nel.org, mingo@...nel.org, linux-kernel@...r.kernel.org,
        hpa@...or.com
Subject: [tip:x86/irq] x86/exceptions: Remove unused stack defines on 32bit

Commit-ID:  30842211506e376b76394a9cb4e6d0c9d258b8d4
Gitweb:     https://git.kernel.org/tip/30842211506e376b76394a9cb4e6d0c9d258b8d4
Author:     Thomas Gleixner <tglx@...utronix.de>
AuthorDate: Sun, 14 Apr 2019 17:59:44 +0200
Committer:  Borislav Petkov <bp@...e.de>
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@...utronix.de>
Signed-off-by: Borislav Petkov <bp@...e.de>
Cc: "H. Peter Anvin" <hpa@...or.com>
Cc: Andy Lutomirski <luto@...nel.org>
Cc: Dave Hansen <dave.hansen@...el.com>
Cc: Ingo Molnar <mingo@...hat.com>
Cc: Josh Poimboeuf <jpoimboe@...hat.com>
Cc: Michal Hocko <mhocko@...e.com>
Cc: Sean Christopherson <sean.j.christopherson@...el.com>
Cc: x86-ml <x86@...nel.org>
Link: https://lkml.kernel.org/r/20190414160144.227822695@linutronix.de
---
 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
 /*