x86: move exports to actual definitions
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Родитель
22823ab419
Коммит
784d5699ed
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@ -44,6 +44,7 @@
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#include <asm/alternative-asm.h>
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#include <asm/asm.h>
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#include <asm/smap.h>
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#include <asm/export.h>
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.section .entry.text, "ax"
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@ -955,6 +956,7 @@ trace:
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jmp ftrace_stub
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END(mcount)
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#endif /* CONFIG_DYNAMIC_FTRACE */
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EXPORT_SYMBOL(mcount)
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#endif /* CONFIG_FUNCTION_TRACER */
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#ifdef CONFIG_FUNCTION_GRAPH_TRACER
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@ -35,6 +35,7 @@
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#include <asm/asm.h>
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#include <asm/smap.h>
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#include <asm/pgtable_types.h>
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#include <asm/export.h>
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#include <linux/err.h>
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/* Avoid __ASSEMBLER__'ifying <linux/audit.h> just for this. */
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@ -785,6 +786,7 @@ ENTRY(native_load_gs_index)
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popfq
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ret
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END(native_load_gs_index)
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EXPORT_SYMBOL(native_load_gs_index)
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_ASM_EXTABLE(.Lgs_change, bad_gs)
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.section .fixup, "ax"
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@ -6,6 +6,7 @@
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*/
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#include <linux/linkage.h>
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#include <asm/asm.h>
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#include <asm/export.h>
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/* put return address in eax (arg1) */
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.macro THUNK name, func, put_ret_addr_in_eax=0
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@ -36,5 +37,7 @@
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#ifdef CONFIG_PREEMPT
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THUNK ___preempt_schedule, preempt_schedule
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THUNK ___preempt_schedule_notrace, preempt_schedule_notrace
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EXPORT_SYMBOL(___preempt_schedule)
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EXPORT_SYMBOL(___preempt_schedule_notrace)
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#endif
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@ -8,6 +8,7 @@
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#include <linux/linkage.h>
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#include "calling.h"
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#include <asm/asm.h>
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#include <asm/export.h>
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/* rdi: arg1 ... normal C conventions. rax is saved/restored. */
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.macro THUNK name, func, put_ret_addr_in_rdi=0
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@ -49,6 +50,8 @@
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#ifdef CONFIG_PREEMPT
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THUNK ___preempt_schedule, preempt_schedule
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THUNK ___preempt_schedule_notrace, preempt_schedule_notrace
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EXPORT_SYMBOL(___preempt_schedule)
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EXPORT_SYMBOL(___preempt_schedule_notrace)
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#endif
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#if defined(CONFIG_TRACE_IRQFLAGS) \
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@ -0,0 +1,4 @@
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#ifdef CONFIG_64BIT
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#define KSYM_ALIGN 16
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#endif
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#include <asm-generic/export.h>
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@ -46,9 +46,7 @@ obj-$(CONFIG_MODIFY_LDT_SYSCALL) += ldt.o
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obj-y += setup.o x86_init.o i8259.o irqinit.o jump_label.o
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obj-$(CONFIG_IRQ_WORK) += irq_work.o
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obj-y += probe_roms.o
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obj-$(CONFIG_X86_32) += i386_ksyms_32.o
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obj-$(CONFIG_X86_64) += sys_x86_64.o x8664_ksyms_64.o
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obj-$(CONFIG_X86_64) += mcount_64.o
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obj-$(CONFIG_X86_64) += sys_x86_64.o mcount_64.o
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obj-$(CONFIG_X86_ESPFIX64) += espfix_64.o
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obj-$(CONFIG_SYSFS) += ksysfs.o
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obj-y += bootflag.o e820.o
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@ -23,6 +23,7 @@
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#include <asm/percpu.h>
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#include <asm/nops.h>
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#include <asm/bootparam.h>
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#include <asm/export.h>
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/* Physical address */
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#define pa(X) ((X) - __PAGE_OFFSET)
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@ -673,6 +674,7 @@ ENTRY(empty_zero_page)
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.fill 4096,1,0
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ENTRY(swapper_pg_dir)
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.fill 1024,4,0
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EXPORT_SYMBOL(empty_zero_page)
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/*
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* This starts the data section.
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@ -21,6 +21,7 @@
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#include <asm/percpu.h>
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#include <asm/nops.h>
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#include "../entry/calling.h"
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#include <asm/export.h>
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#ifdef CONFIG_PARAVIRT
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#include <asm/asm-offsets.h>
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@ -488,10 +489,12 @@ early_gdt_descr_base:
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ENTRY(phys_base)
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/* This must match the first entry in level2_kernel_pgt */
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.quad 0x0000000000000000
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EXPORT_SYMBOL(phys_base)
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#include "../../x86/xen/xen-head.S"
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__PAGE_ALIGNED_BSS
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NEXT_PAGE(empty_zero_page)
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.skip PAGE_SIZE
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EXPORT_SYMBOL(empty_zero_page)
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@ -1,47 +0,0 @@
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#include <linux/export.h>
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#include <linux/spinlock_types.h>
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#include <asm/checksum.h>
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#include <asm/pgtable.h>
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#include <asm/desc.h>
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#include <asm/ftrace.h>
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#ifdef CONFIG_FUNCTION_TRACER
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/* mcount is defined in assembly */
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EXPORT_SYMBOL(mcount);
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#endif
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/*
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* Note, this is a prototype to get at the symbol for
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* the export, but dont use it from C code, it is used
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* by assembly code and is not using C calling convention!
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*/
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#ifndef CONFIG_X86_CMPXCHG64
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extern void cmpxchg8b_emu(void);
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EXPORT_SYMBOL(cmpxchg8b_emu);
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#endif
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/* Networking helper routines. */
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EXPORT_SYMBOL(csum_partial_copy_generic);
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EXPORT_SYMBOL(__get_user_1);
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EXPORT_SYMBOL(__get_user_2);
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EXPORT_SYMBOL(__get_user_4);
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EXPORT_SYMBOL(__get_user_8);
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EXPORT_SYMBOL(__put_user_1);
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EXPORT_SYMBOL(__put_user_2);
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EXPORT_SYMBOL(__put_user_4);
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EXPORT_SYMBOL(__put_user_8);
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EXPORT_SYMBOL(strstr);
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EXPORT_SYMBOL(csum_partial);
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EXPORT_SYMBOL(empty_zero_page);
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#ifdef CONFIG_PREEMPT
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EXPORT_SYMBOL(___preempt_schedule);
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EXPORT_SYMBOL(___preempt_schedule_notrace);
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#endif
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EXPORT_SYMBOL(__sw_hweight32);
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@ -7,6 +7,7 @@
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#include <linux/linkage.h>
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#include <asm/ptrace.h>
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#include <asm/ftrace.h>
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#include <asm/export.h>
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.code64
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@ -294,6 +295,7 @@ trace:
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jmp fgraph_trace
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END(function_hook)
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#endif /* CONFIG_DYNAMIC_FTRACE */
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EXPORT_SYMBOL(function_hook)
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#endif /* CONFIG_FUNCTION_TRACER */
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#ifdef CONFIG_FUNCTION_GRAPH_TRACER
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@ -1,85 +0,0 @@
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/* Exports for assembly files.
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All C exports should go in the respective C files. */
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#include <linux/export.h>
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#include <linux/spinlock_types.h>
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#include <linux/smp.h>
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#include <net/checksum.h>
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#include <asm/processor.h>
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#include <asm/pgtable.h>
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#include <asm/uaccess.h>
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#include <asm/desc.h>
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#include <asm/ftrace.h>
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#ifdef CONFIG_FUNCTION_TRACER
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/* mcount and __fentry__ are defined in assembly */
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#ifdef CC_USING_FENTRY
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EXPORT_SYMBOL(__fentry__);
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#else
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EXPORT_SYMBOL(mcount);
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#endif
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#endif
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EXPORT_SYMBOL(__get_user_1);
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EXPORT_SYMBOL(__get_user_2);
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EXPORT_SYMBOL(__get_user_4);
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EXPORT_SYMBOL(__get_user_8);
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EXPORT_SYMBOL(__put_user_1);
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EXPORT_SYMBOL(__put_user_2);
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EXPORT_SYMBOL(__put_user_4);
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EXPORT_SYMBOL(__put_user_8);
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EXPORT_SYMBOL(copy_user_generic_string);
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EXPORT_SYMBOL(copy_user_generic_unrolled);
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EXPORT_SYMBOL(copy_user_enhanced_fast_string);
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EXPORT_SYMBOL(__copy_user_nocache);
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EXPORT_SYMBOL(_copy_from_user);
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EXPORT_SYMBOL(_copy_to_user);
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EXPORT_SYMBOL_GPL(memcpy_mcsafe);
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EXPORT_SYMBOL(copy_page);
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EXPORT_SYMBOL(clear_page);
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EXPORT_SYMBOL(csum_partial);
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EXPORT_SYMBOL(__sw_hweight32);
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EXPORT_SYMBOL(__sw_hweight64);
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/*
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* Export string functions. We normally rely on gcc builtin for most of these,
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* but gcc sometimes decides not to inline them.
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*/
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#undef memcpy
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#undef memset
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#undef memmove
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extern void *__memset(void *, int, __kernel_size_t);
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extern void *__memcpy(void *, const void *, __kernel_size_t);
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extern void *__memmove(void *, const void *, __kernel_size_t);
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extern void *memset(void *, int, __kernel_size_t);
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extern void *memcpy(void *, const void *, __kernel_size_t);
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extern void *memmove(void *, const void *, __kernel_size_t);
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EXPORT_SYMBOL(__memset);
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EXPORT_SYMBOL(__memcpy);
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EXPORT_SYMBOL(__memmove);
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EXPORT_SYMBOL(memset);
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EXPORT_SYMBOL(memcpy);
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EXPORT_SYMBOL(memmove);
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#ifndef CONFIG_DEBUG_VIRTUAL
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EXPORT_SYMBOL(phys_base);
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#endif
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EXPORT_SYMBOL(empty_zero_page);
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#ifndef CONFIG_PARAVIRT
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EXPORT_SYMBOL(native_load_gs_index);
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#endif
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#ifdef CONFIG_PREEMPT
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EXPORT_SYMBOL(___preempt_schedule);
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EXPORT_SYMBOL(___preempt_schedule_notrace);
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#endif
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@ -28,6 +28,7 @@
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#include <linux/linkage.h>
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#include <asm/errno.h>
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#include <asm/asm.h>
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#include <asm/export.h>
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/*
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* computes a partial checksum, e.g. for TCP/UDP fragments
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@ -251,6 +252,7 @@ ENTRY(csum_partial)
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ENDPROC(csum_partial)
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#endif
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EXPORT_SYMBOL(csum_partial)
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/*
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unsigned int csum_partial_copy_generic (const char *src, char *dst,
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@ -490,3 +492,4 @@ ENDPROC(csum_partial_copy_generic)
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#undef ROUND1
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#endif
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EXPORT_SYMBOL(csum_partial_copy_generic)
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@ -1,6 +1,7 @@
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#include <linux/linkage.h>
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#include <asm/cpufeatures.h>
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#include <asm/alternative-asm.h>
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#include <asm/export.h>
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/*
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* Most CPUs support enhanced REP MOVSB/STOSB instructions. It is
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@ -23,6 +24,7 @@ ENTRY(clear_page)
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rep stosq
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ret
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ENDPROC(clear_page)
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EXPORT_SYMBOL(clear_page)
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ENTRY(clear_page_orig)
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@ -7,6 +7,7 @@
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*/
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#include <linux/linkage.h>
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#include <asm/export.h>
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.text
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@ -48,3 +49,4 @@ ENTRY(cmpxchg8b_emu)
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ret
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ENDPROC(cmpxchg8b_emu)
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EXPORT_SYMBOL(cmpxchg8b_emu)
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@ -3,6 +3,7 @@
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#include <linux/linkage.h>
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#include <asm/cpufeatures.h>
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#include <asm/alternative-asm.h>
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#include <asm/export.h>
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/*
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* Some CPUs run faster using the string copy instructions (sane microcode).
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@ -17,6 +18,7 @@ ENTRY(copy_page)
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rep movsq
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ret
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ENDPROC(copy_page)
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EXPORT_SYMBOL(copy_page)
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ENTRY(copy_page_regs)
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subq $2*8, %rsp
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@ -14,6 +14,7 @@
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#include <asm/alternative-asm.h>
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#include <asm/asm.h>
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#include <asm/smap.h>
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#include <asm/export.h>
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/* Standard copy_to_user with segment limit checking */
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ENTRY(_copy_to_user)
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@ -29,6 +30,7 @@ ENTRY(_copy_to_user)
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"jmp copy_user_enhanced_fast_string", \
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X86_FEATURE_ERMS
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ENDPROC(_copy_to_user)
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EXPORT_SYMBOL(_copy_to_user)
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/* Standard copy_from_user with segment limit checking */
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ENTRY(_copy_from_user)
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@ -44,6 +46,8 @@ ENTRY(_copy_from_user)
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"jmp copy_user_enhanced_fast_string", \
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X86_FEATURE_ERMS
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ENDPROC(_copy_from_user)
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EXPORT_SYMBOL(_copy_from_user)
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.section .fixup,"ax"
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/* must zero dest */
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@ -155,6 +159,7 @@ ENTRY(copy_user_generic_unrolled)
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_ASM_EXTABLE(21b,50b)
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_ASM_EXTABLE(22b,50b)
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ENDPROC(copy_user_generic_unrolled)
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EXPORT_SYMBOL(copy_user_generic_unrolled)
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/* Some CPUs run faster using the string copy instructions.
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* This is also a lot simpler. Use them when possible.
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@ -200,6 +205,7 @@ ENTRY(copy_user_generic_string)
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_ASM_EXTABLE(1b,11b)
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_ASM_EXTABLE(3b,12b)
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ENDPROC(copy_user_generic_string)
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EXPORT_SYMBOL(copy_user_generic_string)
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/*
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* Some CPUs are adding enhanced REP MOVSB/STOSB instructions.
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@ -229,6 +235,7 @@ ENTRY(copy_user_enhanced_fast_string)
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_ASM_EXTABLE(1b,12b)
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ENDPROC(copy_user_enhanced_fast_string)
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EXPORT_SYMBOL(copy_user_enhanced_fast_string)
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/*
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* copy_user_nocache - Uncached memory copy with exception handling
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@ -379,3 +386,4 @@ ENTRY(__copy_user_nocache)
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_ASM_EXTABLE(40b,.L_fixup_1b_copy)
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_ASM_EXTABLE(41b,.L_fixup_1b_copy)
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ENDPROC(__copy_user_nocache)
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EXPORT_SYMBOL(__copy_user_nocache)
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@ -135,6 +135,7 @@ __wsum csum_partial(const void *buff, int len, __wsum sum)
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return (__force __wsum)add32_with_carry(do_csum(buff, len),
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(__force u32)sum);
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}
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EXPORT_SYMBOL(csum_partial);
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/*
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* this routine is used for miscellaneous IP-like checksums, mainly
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@ -32,6 +32,7 @@
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#include <asm/thread_info.h>
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#include <asm/asm.h>
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#include <asm/smap.h>
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#include <asm/export.h>
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.text
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ENTRY(__get_user_1)
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@ -44,6 +45,7 @@ ENTRY(__get_user_1)
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ASM_CLAC
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ret
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ENDPROC(__get_user_1)
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EXPORT_SYMBOL(__get_user_1)
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ENTRY(__get_user_2)
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add $1,%_ASM_AX
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@ -57,6 +59,7 @@ ENTRY(__get_user_2)
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ASM_CLAC
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ret
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ENDPROC(__get_user_2)
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EXPORT_SYMBOL(__get_user_2)
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ENTRY(__get_user_4)
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add $3,%_ASM_AX
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@ -70,6 +73,7 @@ ENTRY(__get_user_4)
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ASM_CLAC
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ret
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ENDPROC(__get_user_4)
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EXPORT_SYMBOL(__get_user_4)
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ENTRY(__get_user_8)
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#ifdef CONFIG_X86_64
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@ -97,6 +101,7 @@ ENTRY(__get_user_8)
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ret
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#endif
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ENDPROC(__get_user_8)
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EXPORT_SYMBOL(__get_user_8)
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bad_get_user:
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@ -1,4 +1,5 @@
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#include <linux/linkage.h>
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#include <asm/export.h>
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#include <asm/asm.h>
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@ -32,6 +33,7 @@ ENTRY(__sw_hweight32)
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__ASM_SIZE(pop,) %__ASM_REG(dx)
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ret
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ENDPROC(__sw_hweight32)
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EXPORT_SYMBOL(__sw_hweight32)
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ENTRY(__sw_hweight64)
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#ifdef CONFIG_X86_64
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@ -75,3 +77,4 @@ ENTRY(__sw_hweight64)
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ret
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#endif
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ENDPROC(__sw_hweight64)
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EXPORT_SYMBOL(__sw_hweight64)
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@ -4,6 +4,7 @@
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#include <asm/errno.h>
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#include <asm/cpufeatures.h>
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#include <asm/alternative-asm.h>
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#include <asm/export.h>
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/*
|
||||
* We build a jump to memcpy_orig by default which gets NOPped out on
|
||||
|
@ -40,6 +41,8 @@ ENTRY(memcpy)
|
|||
ret
|
||||
ENDPROC(memcpy)
|
||||
ENDPROC(__memcpy)
|
||||
EXPORT_SYMBOL(memcpy)
|
||||
EXPORT_SYMBOL(__memcpy)
|
||||
|
||||
/*
|
||||
* memcpy_erms() - enhanced fast string memcpy. This is faster and
|
||||
|
@ -274,6 +277,7 @@ ENTRY(memcpy_mcsafe)
|
|||
xorq %rax, %rax
|
||||
ret
|
||||
ENDPROC(memcpy_mcsafe)
|
||||
EXPORT_SYMBOL_GPL(memcpy_mcsafe)
|
||||
|
||||
.section .fixup, "ax"
|
||||
/* Return -EFAULT for any failure */
|
||||
|
|
|
@ -8,6 +8,7 @@
|
|||
#include <linux/linkage.h>
|
||||
#include <asm/cpufeatures.h>
|
||||
#include <asm/alternative-asm.h>
|
||||
#include <asm/export.h>
|
||||
|
||||
#undef memmove
|
||||
|
||||
|
@ -207,3 +208,5 @@ ENTRY(__memmove)
|
|||
retq
|
||||
ENDPROC(__memmove)
|
||||
ENDPROC(memmove)
|
||||
EXPORT_SYMBOL(__memmove)
|
||||
EXPORT_SYMBOL(memmove)
|
||||
|
|
|
@ -3,6 +3,7 @@
|
|||
#include <linux/linkage.h>
|
||||
#include <asm/cpufeatures.h>
|
||||
#include <asm/alternative-asm.h>
|
||||
#include <asm/export.h>
|
||||
|
||||
.weak memset
|
||||
|
||||
|
@ -43,6 +44,8 @@ ENTRY(__memset)
|
|||
ret
|
||||
ENDPROC(memset)
|
||||
ENDPROC(__memset)
|
||||
EXPORT_SYMBOL(memset)
|
||||
EXPORT_SYMBOL(__memset)
|
||||
|
||||
/*
|
||||
* ISO C memset - set a memory block to a byte value. This function uses
|
||||
|
|
|
@ -15,6 +15,7 @@
|
|||
#include <asm/errno.h>
|
||||
#include <asm/asm.h>
|
||||
#include <asm/smap.h>
|
||||
#include <asm/export.h>
|
||||
|
||||
|
||||
/*
|
||||
|
@ -43,6 +44,7 @@ ENTRY(__put_user_1)
|
|||
xor %eax,%eax
|
||||
EXIT
|
||||
ENDPROC(__put_user_1)
|
||||
EXPORT_SYMBOL(__put_user_1)
|
||||
|
||||
ENTRY(__put_user_2)
|
||||
ENTER
|
||||
|
@ -55,6 +57,7 @@ ENTRY(__put_user_2)
|
|||
xor %eax,%eax
|
||||
EXIT
|
||||
ENDPROC(__put_user_2)
|
||||
EXPORT_SYMBOL(__put_user_2)
|
||||
|
||||
ENTRY(__put_user_4)
|
||||
ENTER
|
||||
|
@ -67,6 +70,7 @@ ENTRY(__put_user_4)
|
|||
xor %eax,%eax
|
||||
EXIT
|
||||
ENDPROC(__put_user_4)
|
||||
EXPORT_SYMBOL(__put_user_4)
|
||||
|
||||
ENTRY(__put_user_8)
|
||||
ENTER
|
||||
|
@ -82,6 +86,7 @@ ENTRY(__put_user_8)
|
|||
xor %eax,%eax
|
||||
EXIT
|
||||
ENDPROC(__put_user_8)
|
||||
EXPORT_SYMBOL(__put_user_8)
|
||||
|
||||
bad_put_user:
|
||||
movl $-EFAULT,%eax
|
||||
|
|
|
@ -1,4 +1,5 @@
|
|||
#include <linux/string.h>
|
||||
#include <linux/export.h>
|
||||
|
||||
char *strstr(const char *cs, const char *ct)
|
||||
{
|
||||
|
@ -28,4 +29,4 @@ __asm__ __volatile__(
|
|||
: "dx", "di");
|
||||
return __res;
|
||||
}
|
||||
|
||||
EXPORT_SYMBOL(strstr);
|
||||
|
|
|
@ -8,7 +8,7 @@ else
|
|||
BITS := 64
|
||||
endif
|
||||
|
||||
obj-y = bug.o bugs_$(BITS).o delay.o fault.o ksyms.o ldt.o \
|
||||
obj-y = bug.o bugs_$(BITS).o delay.o fault.o ldt.o \
|
||||
ptrace_$(BITS).o ptrace_user.o setjmp_$(BITS).o signal.o \
|
||||
stub_$(BITS).o stub_segv.o \
|
||||
sys_call_table_$(BITS).o sysrq_$(BITS).o tls_$(BITS).o \
|
||||
|
|
|
@ -27,6 +27,7 @@
|
|||
|
||||
#include <asm/errno.h>
|
||||
#include <asm/asm.h>
|
||||
#include <asm/export.h>
|
||||
|
||||
/*
|
||||
* computes a partial checksum, e.g. for TCP/UDP fragments
|
||||
|
@ -214,3 +215,4 @@ csum_partial:
|
|||
ret
|
||||
|
||||
#endif
|
||||
EXPORT_SYMBOL(csum_partial)
|
||||
|
|
|
@ -1,13 +0,0 @@
|
|||
#include <linux/module.h>
|
||||
#include <asm/string.h>
|
||||
#include <asm/checksum.h>
|
||||
|
||||
#ifndef CONFIG_X86_32
|
||||
/*XXX: we need them because they would be exported by x86_64 */
|
||||
#if (__GNUC__ == 4 && __GNUC_MINOR__ >= 3) || __GNUC__ > 4
|
||||
EXPORT_SYMBOL(memcpy);
|
||||
#else
|
||||
EXPORT_SYMBOL(__memcpy);
|
||||
#endif
|
||||
#endif
|
||||
EXPORT_SYMBOL(csum_partial);
|
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Ссылка в новой задаче