linux-kernel - [PATCH] x86/asm/entry: Drop now unused ENABLE_INTERRUPTS

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Date:	Fri,  3 Apr 2015 10:28:34 +0200
From:	Borislav Petkov <bp@...en8.de>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Andy Lutomirski <luto@...capital.net>,
	Brian Gerst <brgerst@...il.com>,
	Denys Vlasenko <dvlasenk@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	virtualization@...ts.linux-foundation.org
Subject: [PATCH] x86/asm/entry: Drop now unused ENABLE_INTERRUPTS_SYSEXIT32

From: Borislav Petkov <bp@...e.de>

Commit

  4214a16b0297 ("x86/asm/entry/64/compat: Use SYSRETL to return from compat mode SYSENTER")

removed the last user of ENABLE_INTERRUPTS_SYSEXIT32. Kill the macro now
too.

Signed-off-by: Borislav Petkov <bp@...e.de>
Cc: Andy Lutomirski <luto@...capital.net>
Cc: Brian Gerst <brgerst@...il.com>
Cc: Denys Vlasenko <dvlasenk@...hat.com>
Cc: H. Peter Anvin <hpa@...or.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Ingo Molnar <mingo@...nel.org>
Cc: virtualization@...ts.linux-foundation.org
---
 arch/x86/include/asm/irqflags.h | 4 ----
 arch/x86/include/asm/paravirt.h | 5 -----
 2 files changed, 9 deletions(-)

diff --git a/arch/x86/include/asm/irqflags.h b/arch/x86/include/asm/irqflags.h
index 9a63eae04e4b..b77f5edb03b0 100644
--- a/arch/x86/include/asm/irqflags.h
+++ b/arch/x86/include/asm/irqflags.h
@@ -136,10 +136,6 @@ static inline notrace unsigned long arch_local_irq_save(void)
 #define USERGS_SYSRET32				\
 	swapgs;					\
 	sysretl
-#define ENABLE_INTERRUPTS_SYSEXIT32		\
-	swapgs;					\
-	sti;					\
-	sysexit
 
 #else
 #define INTERRUPT_RETURN		iret
diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
index 965c47d254aa..5f6051d5d139 100644
--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravirt.h
@@ -976,11 +976,6 @@ extern void default_banner(void);
 	PARA_SITE(PARA_PATCH(pv_cpu_ops, PV_CPU_usergs_sysret64),	\
 		  CLBR_NONE,						\
 		  jmp PARA_INDIRECT(pv_cpu_ops+PV_CPU_usergs_sysret64))
-
-#define ENABLE_INTERRUPTS_SYSEXIT32					\
-	PARA_SITE(PARA_PATCH(pv_cpu_ops, PV_CPU_irq_enable_sysexit),	\
-		  CLBR_NONE,						\
-		  jmp PARA_INDIRECT(pv_cpu_ops+PV_CPU_irq_enable_sysexit))
 #endif	/* CONFIG_X86_32 */
 
 #endif /* __ASSEMBLY__ */
-- 
2.3.3

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