Merge branches 'x86/acpi', 'x86/asm', 'x86/cpudetect', 'x86/crashdump', 'x86/debug...

[mirror_ubuntu-focal-kernel.git] / arch / x86 / include / asm / tlbflush.h

diff --git a/arch/x86/include/asm/tlbflush.h b/arch/x86/include/asm/tlbflush.h
index f4e1b550ce6131f02a965cd608f8691f538d64f1..d3539f998f88c71dd6c9a784628c7d084d7521bc 100644 (file)
--- a/arch/x86/include/asm/tlbflush.h
+++ b/arch/x86/include/asm/tlbflush.h
@@ -148,20 +148,17 @@ void native_flush_tlb_others(const struct cpumask *cpumask,
 #define TLBSTATE_OK    1
 #define TLBSTATE_LAZY  2
 
-#ifdef CONFIG_X86_32
 struct tlb_state {
        struct mm_struct *active_mm;
        int state;
-       char __cacheline_padding[L1_CACHE_BYTES-8];
 };
 DECLARE_PER_CPU(struct tlb_state, cpu_tlbstate);
 
-void reset_lazy_tlbstate(void);
-#else
 static inline void reset_lazy_tlbstate(void)
 {
+       percpu_write(cpu_tlbstate.state, 0);
+       percpu_write(cpu_tlbstate.active_mm, &init_mm);
 }
-#endif
 
 #endif /* SMP */
 
@@ -175,4 +172,6 @@ static inline void flush_tlb_kernel_range(unsigned long start,
        flush_tlb_all();
 }
 
+extern void zap_low_mappings(void);
+
 #endif /* _ASM_X86_TLBFLUSH_H */