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Diffstat (limited to 'include/asm-x86/percpu_32.h')
-rw-r--r--include/asm-x86/percpu_32.h128
1 files changed, 0 insertions, 128 deletions
diff --git a/include/asm-x86/percpu_32.h b/include/asm-x86/percpu_32.h
deleted file mode 100644
index e62ce2fe2c9..00000000000
--- a/include/asm-x86/percpu_32.h
+++ /dev/null
@@ -1,128 +0,0 @@
-#ifndef __ARCH_I386_PERCPU__
-#define __ARCH_I386_PERCPU__
-
-#ifdef __ASSEMBLY__
-
-/*
- * PER_CPU finds an address of a per-cpu variable.
- *
- * Args:
- * var - variable name
- * reg - 32bit register
- *
- * The resulting address is stored in the "reg" argument.
- *
- * Example:
- * PER_CPU(cpu_gdt_descr, %ebx)
- */
-#ifdef CONFIG_SMP
-#define PER_CPU(var, reg) \
- movl %fs:per_cpu__##this_cpu_off, reg; \
- lea per_cpu__##var(reg), reg
-#define PER_CPU_VAR(var) %fs:per_cpu__##var
-#else /* ! SMP */
-#define PER_CPU(var, reg) \
- movl $per_cpu__##var, reg
-#define PER_CPU_VAR(var) per_cpu__##var
-#endif /* SMP */
-
-#else /* ...!ASSEMBLY */
-
-/*
- * PER_CPU finds an address of a per-cpu variable.
- *
- * Args:
- * var - variable name
- * cpu - 32bit register containing the current CPU number
- *
- * The resulting address is stored in the "cpu" argument.
- *
- * Example:
- * PER_CPU(cpu_gdt_descr, %ebx)
- */
-#ifdef CONFIG_SMP
-
-#define __my_cpu_offset x86_read_percpu(this_cpu_off)
-
-/* A macro to avoid #include hell... */
-#define percpu_modcopy(pcpudst, src, size) \
-do { \
- unsigned int __i; \
- for_each_possible_cpu(__i) \
- memcpy((pcpudst)+__per_cpu_offset[__i], \
- (src), (size)); \
-} while (0)
-
-/* fs segment starts at (positive) offset == __per_cpu_offset[cpu] */
-#define __percpu_seg "%%fs:"
-
-#else /* !SMP */
-
-#define __percpu_seg ""
-
-#endif /* SMP */
-
-#include <asm-generic/percpu.h>
-
-/* We can use this directly for local CPU (faster). */
-DECLARE_PER_CPU(unsigned long, this_cpu_off);
-
-/* For arch-specific code, we can use direct single-insn ops (they
- * don't give an lvalue though). */
-extern void __bad_percpu_size(void);
-
-#define percpu_to_op(op,var,val) \
- do { \
- typedef typeof(var) T__; \
- if (0) { T__ tmp__; tmp__ = (val); } \
- switch (sizeof(var)) { \
- case 1: \
- asm(op "b %1,"__percpu_seg"%0" \
- : "+m" (var) \
- :"ri" ((T__)val)); \
- break; \
- case 2: \
- asm(op "w %1,"__percpu_seg"%0" \
- : "+m" (var) \
- :"ri" ((T__)val)); \
- break; \
- case 4: \
- asm(op "l %1,"__percpu_seg"%0" \
- : "+m" (var) \
- :"ri" ((T__)val)); \
- break; \
- default: __bad_percpu_size(); \
- } \
- } while (0)
-
-#define percpu_from_op(op,var) \
- ({ \
- typeof(var) ret__; \
- switch (sizeof(var)) { \
- case 1: \
- asm(op "b "__percpu_seg"%1,%0" \
- : "=r" (ret__) \
- : "m" (var)); \
- break; \
- case 2: \
- asm(op "w "__percpu_seg"%1,%0" \
- : "=r" (ret__) \
- : "m" (var)); \
- break; \
- case 4: \
- asm(op "l "__percpu_seg"%1,%0" \
- : "=r" (ret__) \
- : "m" (var)); \
- break; \
- default: __bad_percpu_size(); \
- } \
- ret__; })
-
-#define x86_read_percpu(var) percpu_from_op("mov", per_cpu__##var)
-#define x86_write_percpu(var,val) percpu_to_op("mov", per_cpu__##var, val)
-#define x86_add_percpu(var,val) percpu_to_op("add", per_cpu__##var, val)
-#define x86_sub_percpu(var,val) percpu_to_op("sub", per_cpu__##var, val)
-#define x86_or_percpu(var,val) percpu_to_op("or", per_cpu__##var, val)
-#endif /* !__ASSEMBLY__ */
-
-#endif /* __ARCH_I386_PERCPU__ */