commit 0f672f6c0b52b7b0700b0915c72b540721af4465
author David Brazdil <dbrazdil@google.com> Tue Dec 10 10:32:29 2019 +0000
committer David Brazdil <dbrazdil@google.com> Tue Dec 10 19:03:18 2019 +0000
tree 85c8cba019caa205e4f8920d72d93f6d6deaf29c
parent 3a0ad55d848b50499b68d7141d4eca997fce28ef

Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd

arch/x86/include/asm/irqflags.h

diff --git a/arch/x86/include/asm/irqflags.h b/arch/x86/include/asm/irqflags.h
index 15450a6..8a0e56e 100644
--- a/arch/x86/include/asm/irqflags.h
+++ b/arch/x86/include/asm/irqflags.h
@@ -6,6 +6,8 @@
 
 #ifndef __ASSEMBLY__
 
+#include <asm/nospec-branch.h>
+
 /* Provide __cpuidle; we can't safely include <linux/cpu.h> */
 #define __cpuidle __attribute__((__section__(".cpuidle.text")))
 
@@ -54,17 +56,19 @@
 
 static inline __cpuidle void native_safe_halt(void)
 {
+	mds_idle_clear_cpu_buffers();
 	asm volatile("sti; hlt": : :"memory");
 }
 
 static inline __cpuidle void native_halt(void)
 {
+	mds_idle_clear_cpu_buffers();
 	asm volatile("hlt": : :"memory");
 }
 
 #endif
 
-#ifdef CONFIG_PARAVIRT
+#ifdef CONFIG_PARAVIRT_XXL
 #include <asm/paravirt.h>
 #else
 #ifndef __ASSEMBLY__
@@ -123,6 +127,10 @@
 #define DISABLE_INTERRUPTS(x)	cli
 
 #ifdef CONFIG_X86_64
+#ifdef CONFIG_DEBUG_ENTRY
+#define SAVE_FLAGS(x)		pushfq; popq %rax
+#endif
+
 #define SWAPGS	swapgs
 /*
  * Currently paravirt can't handle swapgs nicely when we
@@ -135,8 +143,6 @@
  */
 #define SWAPGS_UNSAFE_STACK	swapgs
 
-#define PARAVIRT_ADJUST_EXCEPTION_FRAME	/*  */
-
 #define INTERRUPT_RETURN	jmp native_iret
 #define USERGS_SYSRET64				\
 	swapgs;					\
@@ -145,18 +151,12 @@
 	swapgs;					\
 	sysretl
 
-#ifdef CONFIG_DEBUG_ENTRY
-#define SAVE_FLAGS(x)		pushfq; popq %rax
-#endif
 #else
 #define INTERRUPT_RETURN		iret
-#define ENABLE_INTERRUPTS_SYSEXIT	sti; sysexit
-#define GET_CR0_INTO_EAX		movl %cr0, %eax
 #endif
 
-
 #endif /* __ASSEMBLY__ */
-#endif /* CONFIG_PARAVIRT */
+#endif /* CONFIG_PARAVIRT_XXL */
 
 #ifndef __ASSEMBLY__
 static inline int arch_irqs_disabled_flags(unsigned long flags)