[PATCH V4 27/50] x86: Remove the definition of SWAPGS

[Lai Jiangshan]

From: Lai Jiangshan <laijs@xxxxxxxxxxxxxxxxx>

There is no user of the pv-aware SWAPGS anymore.

Signed-off-by: Lai Jiangshan <laijs@xxxxxxxxxxxxxxxxx>
---
 arch/x86/include/asm/irqflags.h | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/arch/x86/include/asm/irqflags.h b/arch/x86/include/asm/irqflags.h
index c5ce9845c999..da41a80eb912 100644
--- a/arch/x86/include/asm/irqflags.h
+++ b/arch/x86/include/asm/irqflags.h
@@ -139,14 +139,6 @@ static __always_inline void arch_local_irq_restore(unsigned long flags)
 	if (!arch_irqs_disabled_flags(flags))
 		arch_local_irq_enable();
 }
-#else
-#ifdef CONFIG_X86_64
-#ifdef CONFIG_XEN_PV
-#define SWAPGS	ALTERNATIVE "swapgs", "", X86_FEATURE_XENPV
-#else
-#define SWAPGS	swapgs
-#endif
-#endif
 #endif /* !__ASSEMBLY__ */
 
 #endif
-- 
2.19.1.6.gb485710b