x86/cpu_entry_area: Move it out of the fixmap

[mirror_ubuntu-artful-kernel.git] / arch / x86 / include / asm / fixmap.h

diff --git a/arch/x86/include/asm/fixmap.h b/arch/x86/include/asm/fixmap.h
index 1b252147348088dcc365e973738a5f59c6c45a14..a6ff9e1a61895cb38a54fb77787e2bacacbf884b 100644 (file)
--- a/arch/x86/include/asm/fixmap.h
+++ b/arch/x86/include/asm/fixmap.h
@@ -25,7 +25,6 @@
 #else
 #include <uapi/asm/vsyscall.h>
 #endif
-#include <asm/cpu_entry_area.h>
 
 /*
  * We can't declare FIXADDR_TOP as variable for x86_64 because vsyscall
@@ -84,7 +83,6 @@ enum fixed_addresses {
        FIX_IO_APIC_BASE_0,
        FIX_IO_APIC_BASE_END = FIX_IO_APIC_BASE_0 + MAX_IO_APICS - 1,
 #endif
-       FIX_RO_IDT,     /* Virtual mapping for read-only IDT */
 #ifdef CONFIG_X86_32
        FIX_KMAP_BEGIN, /* reserved pte's for temporary kernel mappings */
        FIX_KMAP_END = FIX_KMAP_BEGIN+(KM_TYPE_NR*NR_CPUS)-1,
@@ -100,9 +98,6 @@ enum fixed_addresses {
 #ifdef CONFIG_X86_INTEL_MID
        FIX_LNW_VRTC,
 #endif
-       /* Fixmap entries to remap the GDTs, one per processor. */
-       FIX_CPU_ENTRY_AREA_TOP,
-       FIX_CPU_ENTRY_AREA_BOTTOM = FIX_CPU_ENTRY_AREA_TOP + (CPU_ENTRY_AREA_PAGES * NR_CPUS) - 1,
 
 #ifdef CONFIG_ACPI_APEI_GHES
        /* Used for GHES mapping from assorted contexts */
@@ -143,7 +138,7 @@ enum fixed_addresses {
 extern void reserve_top_address(unsigned long reserve);
 
 #define FIXADDR_SIZE   (__end_of_permanent_fixed_addresses << PAGE_SHIFT)
-#define FIXADDR_START          (FIXADDR_TOP - FIXADDR_SIZE)
+#define FIXADDR_START  (FIXADDR_TOP - FIXADDR_SIZE)
 
 extern int fixmaps_set;
 
@@ -171,30 +166,5 @@ static inline void __set_fixmap(enum fixed_addresses idx,
 void __early_set_fixmap(enum fixed_addresses idx,
                        phys_addr_t phys, pgprot_t flags);
 
-static inline unsigned int __get_cpu_entry_area_page_index(int cpu, int page)
-{
-       BUILD_BUG_ON(sizeof(struct cpu_entry_area) % PAGE_SIZE != 0);
-
-       return FIX_CPU_ENTRY_AREA_BOTTOM - cpu*CPU_ENTRY_AREA_PAGES - page;
-}
-
-#define __get_cpu_entry_area_offset_index(cpu, offset) ({              \
-       BUILD_BUG_ON(offset % PAGE_SIZE != 0);                          \
-       __get_cpu_entry_area_page_index(cpu, offset / PAGE_SIZE);       \
-       })
-
-#define get_cpu_entry_area_index(cpu, field)                           \
-       __get_cpu_entry_area_offset_index((cpu), offsetof(struct cpu_entry_area, field))
-
-static inline struct cpu_entry_area *get_cpu_entry_area(int cpu)
-{
-       return (struct cpu_entry_area *)__fix_to_virt(__get_cpu_entry_area_page_index(cpu, 0));
-}
-
-static inline struct entry_stack *cpu_entry_stack(int cpu)
-{
-       return &get_cpu_entry_area(cpu)->entry_stack_page.stack;
-}
-
 #endif /* !__ASSEMBLY__ */
 #endif /* _ASM_X86_FIXMAP_H */