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WSL2-Linux-Kernel
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ia64: move exports to definitions 

Here we have another kind of deviation from the default case -
a difference between exporting functions and non-functions.
EXPORT_DATA_SYMBOL... is really different from EXPORT_SYMBOL...
on ia64, and we need to use the right one when moving exports
from *.c where C compiler has the required information to
*.S, where we need to supply it manually.

parisc64 will be another one like that.

Tested-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2016-01-17 01:13:41 -05:00
Родитель fb2e6fdbbd
Коммит e007c53397
25 изменённых файлов: 64 добавлений и 92 удалений
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3
arch/ia64/include/asm/export.h Normal file
Просмотреть файл

@ -0,0 +1,3 @@
/* EXPORT_DATA_SYMBOL != EXPORT_SYMBOL here */
#define KSYM_FUNC(name) @fptr(name)
#include <asm-generic/export.h>

3
arch/ia64/kernel/entry.S
Просмотреть файл

@ -48,6 +48,7 @@
#include <asm/thread_info.h>
#include <asm/unistd.h>
#include <asm/ftrace.h>
#include <asm/export.h>
#include "minstate.h"
@ -1345,12 +1346,14 @@ GLOBAL_ENTRY(unw_init_running)
mov rp=loc0
br.ret.sptk.many rp
END(unw_init_running)
EXPORT_SYMBOL(unw_init_running)
#ifdef CONFIG_FUNCTION_TRACER
#ifdef CONFIG_DYNAMIC_FTRACE
GLOBAL_ENTRY(_mcount)
br ftrace_stub
END(_mcount)
EXPORT_SYMBOL(_mcount)
.here:
br.ret.sptk.many b0

2
arch/ia64/kernel/esi_stub.S
Просмотреть файл

@ -35,6 +35,7 @@
#include <asm/processor.h>
#include <asm/asmmacro.h>
#include <asm/export.h>
/*
* Inputs:
@ -94,3 +95,4 @@ GLOBAL_ENTRY(esi_call_phys)
mov gp=loc2
br.ret.sptk.many rp
END(esi_call_phys)
EXPORT_SYMBOL_GPL(esi_call_phys)

2
arch/ia64/kernel/head.S
Просмотреть файл

@ -32,6 +32,7 @@
#include <asm/mca_asm.h>
#include <linux/init.h>
#include <linux/linkage.h>
#include <asm/export.h>
#ifdef CONFIG_HOTPLUG_CPU
#define SAL_PSR_BITS_TO_SET \
@ -168,6 +169,7 @@ RestRR: \
__PAGE_ALIGNED_DATA
.global empty_zero_page
EXPORT_DATA_SYMBOL_GPL(empty_zero_page)
empty_zero_page:
.skip PAGE_SIZE

94
arch/ia64/kernel/ia64_ksyms.c
Просмотреть файл

@ -1,101 +1,11 @@
/*
* Architecture-specific kernel symbols
*
* Don't put any exports here unless it's defined in an assembler file.
* All other exports should be put directly after the definition.
*/
#include <linux/module.h>
#include <linux/string.h>
EXPORT_SYMBOL(memset);
EXPORT_SYMBOL(memcpy);
EXPORT_SYMBOL(strlen);
#include <asm/pgtable.h>
EXPORT_SYMBOL_GPL(empty_zero_page);
#include <asm/checksum.h>
EXPORT_SYMBOL(ip_fast_csum); /* hand-coded assembly */
EXPORT_SYMBOL(csum_ipv6_magic);
#include <asm/page.h>
EXPORT_SYMBOL(clear_page);
EXPORT_SYMBOL(copy_page);
#ifdef CONFIG_VIRTUAL_MEM_MAP
#include <linux/compiler.h>
#include <linux/export.h>
#include <linux/bootmem.h>
EXPORT_SYMBOL(min_low_pfn); /* defined by bootmem.c, but not exported by generic code */
EXPORT_SYMBOL(max_low_pfn); /* defined by bootmem.c, but not exported by generic code */
#endif
#include <asm/processor.h>
EXPORT_SYMBOL(ia64_cpu_info);
#ifdef CONFIG_SMP
EXPORT_SYMBOL(local_per_cpu_offset);
#endif
#include <asm/uaccess.h>
EXPORT_SYMBOL(__copy_user);
EXPORT_SYMBOL(__do_clear_user);
EXPORT_SYMBOL(__strlen_user);
EXPORT_SYMBOL(__strncpy_from_user);
EXPORT_SYMBOL(__strnlen_user);
/* from arch/ia64/lib */
extern void __divsi3(void);
extern void __udivsi3(void);
extern void __modsi3(void);
extern void __umodsi3(void);
extern void __divdi3(void);
extern void __udivdi3(void);
extern void __moddi3(void);
extern void __umoddi3(void);
EXPORT_SYMBOL(__divsi3);
EXPORT_SYMBOL(__udivsi3);
EXPORT_SYMBOL(__modsi3);
EXPORT_SYMBOL(__umodsi3);
EXPORT_SYMBOL(__divdi3);
EXPORT_SYMBOL(__udivdi3);
EXPORT_SYMBOL(__moddi3);
EXPORT_SYMBOL(__umoddi3);
#if defined(CONFIG_MD_RAID456) || defined(CONFIG_MD_RAID456_MODULE)
extern void xor_ia64_2(void);
extern void xor_ia64_3(void);
extern void xor_ia64_4(void);
extern void xor_ia64_5(void);
EXPORT_SYMBOL(xor_ia64_2);
EXPORT_SYMBOL(xor_ia64_3);
EXPORT_SYMBOL(xor_ia64_4);
EXPORT_SYMBOL(xor_ia64_5);
#endif
#include <asm/pal.h>
EXPORT_SYMBOL(ia64_pal_call_phys_stacked);
EXPORT_SYMBOL(ia64_pal_call_phys_static);
EXPORT_SYMBOL(ia64_pal_call_stacked);
EXPORT_SYMBOL(ia64_pal_call_static);
EXPORT_SYMBOL(ia64_load_scratch_fpregs);
EXPORT_SYMBOL(ia64_save_scratch_fpregs);
#include <asm/unwind.h>
EXPORT_SYMBOL(unw_init_running);
#if defined(CONFIG_IA64_ESI) || defined(CONFIG_IA64_ESI_MODULE)
extern void esi_call_phys (void);
EXPORT_SYMBOL_GPL(esi_call_phys);
#endif
extern char ia64_ivt[];
EXPORT_SYMBOL(ia64_ivt);
#include <asm/ftrace.h>
#ifdef CONFIG_FUNCTION_TRACER
/* mcount is defined in assembly */
EXPORT_SYMBOL(_mcount);
#endif
#include <asm/cacheflush.h>
EXPORT_SYMBOL_GPL(flush_icache_range);

2
arch/ia64/kernel/ivt.S
Просмотреть файл

@ -57,6 +57,7 @@
#include <asm/thread_info.h>
#include <asm/unistd.h>
#include <asm/errno.h>
#include <asm/export.h>
#if 0
# define PSR_DEFAULT_BITS psr.ac
@ -85,6 +86,7 @@
.align 32768 // align on 32KB boundary
.global ia64_ivt
EXPORT_DATA_SYMBOL(ia64_ivt)
ia64_ivt:
/////////////////////////////////////////////////////////////////////////////////////////
// 0x0000 Entry 0 (size 64 bundles) VHPT Translation (8,20,47)

7
arch/ia64/kernel/pal.S
Просмотреть файл

@ -14,6 +14,7 @@
#include <asm/asmmacro.h>
#include <asm/processor.h>
#include <asm/export.h>
.data
pal_entry_point:
@ -87,6 +88,7 @@ GLOBAL_ENTRY(ia64_pal_call_static)
srlz.d // seralize restoration of psr.l
br.ret.sptk.many b0
END(ia64_pal_call_static)
EXPORT_SYMBOL(ia64_pal_call_static)
/*
* Make a PAL call using the stacked registers calling convention.
@ -122,6 +124,7 @@ GLOBAL_ENTRY(ia64_pal_call_stacked)
srlz.d // serialize restoration of psr.l
br.ret.sptk.many b0
END(ia64_pal_call_stacked)
EXPORT_SYMBOL(ia64_pal_call_stacked)
/*
* Make a physical mode PAL call using the static registers calling convention.
@ -193,6 +196,7 @@ GLOBAL_ENTRY(ia64_pal_call_phys_static)
srlz.d // seralize restoration of psr.l
br.ret.sptk.many b0
END(ia64_pal_call_phys_static)
EXPORT_SYMBOL(ia64_pal_call_phys_static)
/*
* Make a PAL call using the stacked registers in physical mode.
@ -250,6 +254,7 @@ GLOBAL_ENTRY(ia64_pal_call_phys_stacked)
srlz.d // seralize restoration of psr.l
br.ret.sptk.many b0
END(ia64_pal_call_phys_stacked)
EXPORT_SYMBOL(ia64_pal_call_phys_stacked)
/*
* Save scratch fp scratch regs which aren't saved in pt_regs already
@ -275,6 +280,7 @@ GLOBAL_ENTRY(ia64_save_scratch_fpregs)
stf.spill [r2] = f15,32
br.ret.sptk.many rp
END(ia64_save_scratch_fpregs)
EXPORT_SYMBOL(ia64_save_scratch_fpregs)
/*
* Load scratch fp scratch regs (fp10-fp15)
@ -296,3 +302,4 @@ GLOBAL_ENTRY(ia64_load_scratch_fpregs)
ldf.fill f15 = [r2],32
br.ret.sptk.many rp
END(ia64_load_scratch_fpregs)
EXPORT_SYMBOL(ia64_load_scratch_fpregs)

4
arch/ia64/kernel/setup.c
Просмотреть файл

@ -71,7 +71,11 @@ EXPORT_SYMBOL(__per_cpu_offset);
#endif
DEFINE_PER_CPU(struct cpuinfo_ia64, ia64_cpu_info);
EXPORT_SYMBOL(ia64_cpu_info);
DEFINE_PER_CPU(unsigned long, local_per_cpu_offset);
#ifdef CONFIG_SMP
EXPORT_SYMBOL(local_per_cpu_offset);
#endif
unsigned long ia64_cycles_per_usec;
struct ia64_boot_param *ia64_boot_param;
struct screen_info screen_info;

2
arch/ia64/lib/clear_page.S
Просмотреть файл

@ -11,6 +11,7 @@
#include <asm/asmmacro.h>
#include <asm/page.h>
#include <asm/export.h>
#ifdef CONFIG_ITANIUM
# define L3_LINE_SIZE 64 // Itanium L3 line size
@ -74,3 +75,4 @@ GLOBAL_ENTRY(clear_page)
mov ar.lc = saved_lc // restore lc
br.ret.sptk.many rp
END(clear_page)
EXPORT_SYMBOL(clear_page)

2
arch/ia64/lib/clear_user.S
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@ -12,6 +12,7 @@
*/
#include <asm/asmmacro.h>
#include <asm/export.h>
//
// arguments
@ -207,3 +208,4 @@ GLOBAL_ENTRY(__do_clear_user)
mov ar.lc=saved_lc
br.ret.sptk.many rp
END(__do_clear_user)
EXPORT_SYMBOL(__do_clear_user)

2
arch/ia64/lib/copy_page.S
Просмотреть файл

@ -16,6 +16,7 @@
*/
#include <asm/asmmacro.h>
#include <asm/page.h>
#include <asm/export.h>
#define PIPE_DEPTH 3
#define EPI p[PIPE_DEPTH-1]
@ -96,3 +97,4 @@ GLOBAL_ENTRY(copy_page)
mov ar.lc=saved_lc
br.ret.sptk.many rp
END(copy_page)
EXPORT_SYMBOL(copy_page)

2
arch/ia64/lib/copy_page_mck.S
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@ -61,6 +61,7 @@
*/
#include <asm/asmmacro.h>
#include <asm/page.h>
#include <asm/export.h>
#define PREFETCH_DIST 8 // McKinley sustains 16 outstanding L2 misses (8 ld, 8 st)
@ -183,3 +184,4 @@ GLOBAL_ENTRY(copy_page)
mov pr = saved_pr, -1
br.ret.sptk.many rp
END(copy_page)
EXPORT_SYMBOL(copy_page)

2
arch/ia64/lib/copy_user.S
Просмотреть файл

@ -30,6 +30,7 @@
*/
#include <asm/asmmacro.h>
#include <asm/export.h>
//
// Tuneable parameters
@ -608,3 +609,4 @@ GLOBAL_ENTRY(__copy_user)
mov ar.pfs=saved_pfs
br.ret.sptk.many rp
END(__copy_user)
EXPORT_SYMBOL(__copy_user)

2
arch/ia64/lib/flush.S
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@ -8,6 +8,7 @@
*/
#include <asm/asmmacro.h>
#include <asm/export.h>
/*
@ -60,6 +61,7 @@ GLOBAL_ENTRY(flush_icache_range)
mov ar.lc=r3 // restore ar.lc
br.ret.sptk.many rp
END(flush_icache_range)
EXPORT_SYMBOL_GPL(flush_icache_range)
/*
* clflush_cache_range(start,size)

2
arch/ia64/lib/idiv32.S
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@ -15,6 +15,7 @@
*/
#include <asm/asmmacro.h>
#include <asm/export.h>
#ifdef MODULO
# define OP mod
@ -81,3 +82,4 @@ GLOBAL_ENTRY(NAME)
getf.sig r8 = f6 // transfer result to result register
br.ret.sptk.many rp
END(NAME)
EXPORT_SYMBOL(NAME)

2
arch/ia64/lib/idiv64.S
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@ -15,6 +15,7 @@
*/
#include <asm/asmmacro.h>
#include <asm/export.h>
#ifdef MODULO
# define OP mod
@ -78,3 +79,4 @@ GLOBAL_ENTRY(NAME)
getf.sig r8 = f11 // transfer result to result register
br.ret.sptk.many rp
END(NAME)
EXPORT_SYMBOL(NAME)

3
arch/ia64/lib/ip_fast_csum.S
Просмотреть файл

@ -13,6 +13,7 @@
*/
#include <asm/asmmacro.h>
#include <asm/export.h>
/*
* Since we know that most likely this function is called with buf aligned
@ -92,6 +93,7 @@ GLOBAL_ENTRY(ip_fast_csum)
mov b0=r34
br.ret.sptk.many b0
END(ip_fast_csum)
EXPORT_SYMBOL(ip_fast_csum)
GLOBAL_ENTRY(csum_ipv6_magic)
ld4 r20=[in0],4
@ -142,3 +144,4 @@ GLOBAL_ENTRY(csum_ipv6_magic)
andcm r8=r9,r8
br.ret.sptk.many b0
END(csum_ipv6_magic)
EXPORT_SYMBOL(csum_ipv6_magic)

2
arch/ia64/lib/memcpy.S
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@ -14,6 +14,7 @@
* David Mosberger-Tang <davidm@hpl.hp.com>
*/
#include <asm/asmmacro.h>
#include <asm/export.h>
GLOBAL_ENTRY(memcpy)
@ -299,3 +300,4 @@ GLOBAL_ENTRY(memcpy)
COPY(56, 0)
END(memcpy)
EXPORT_SYMBOL(memcpy)

3
arch/ia64/lib/memcpy_mck.S
Просмотреть файл

@ -15,6 +15,7 @@
*/
#include <asm/asmmacro.h>
#include <asm/page.h>
#include <asm/export.h>
#define EK(y...) EX(y)
@ -78,6 +79,7 @@ GLOBAL_ENTRY(memcpy)
br.cond.sptk .common_code
;;
END(memcpy)
EXPORT_SYMBOL(memcpy)
GLOBAL_ENTRY(__copy_user)
.prologue
// check dest alignment
@ -664,3 +666,4 @@ EK(.ex_handler, (p17) st8 [dst1]=r39,8); \
/* end of McKinley specific optimization */
END(__copy_user)
EXPORT_SYMBOL(__copy_user)

2
arch/ia64/lib/memset.S
Просмотреть файл

@ -18,6 +18,7 @@
to get peak speed when value = 0. */
#include <asm/asmmacro.h>
#include <asm/export.h>
#undef ret
#define dest in0
@ -360,3 +361,4 @@ GLOBAL_ENTRY(memset)
br.ret.sptk.many rp
}
END(memset)
EXPORT_SYMBOL(memset)

2
arch/ia64/lib/strlen.S
Просмотреть файл

@ -17,6 +17,7 @@
*/
#include <asm/asmmacro.h>
#include <asm/export.h>
//
//
@ -190,3 +191,4 @@ GLOBAL_ENTRY(strlen)
mov ar.pfs=saved_pfs // because of ar.ec, restore no matter what
br.ret.sptk.many rp // end of successful recovery code
END(strlen)
EXPORT_SYMBOL(strlen)

2
arch/ia64/lib/strlen_user.S
Просмотреть файл

@ -16,6 +16,7 @@
*/
#include <asm/asmmacro.h>
#include <asm/export.h>
//
// int strlen_user(char *)
@ -196,3 +197,4 @@ GLOBAL_ENTRY(__strlen_user)
mov ar.pfs=saved_pfs // because of ar.ec, restore no matter what
br.ret.sptk.many rp
END(__strlen_user)
EXPORT_SYMBOL(__strlen_user)

2
arch/ia64/lib/strncpy_from_user.S
Просмотреть файл

@ -17,6 +17,7 @@
*/
#include <asm/asmmacro.h>
#include <asm/export.h>
GLOBAL_ENTRY(__strncpy_from_user)
alloc r2=ar.pfs,3,0,0,0
@ -42,3 +43,4 @@ GLOBAL_ENTRY(__strncpy_from_user)
[.Lexit:]
br.ret.sptk.many rp
END(__strncpy_from_user)
EXPORT_SYMBOL(__strncpy_from_user)

2
arch/ia64/lib/strnlen_user.S
Просмотреть файл

@ -13,6 +13,7 @@
*/
#include <asm/asmmacro.h>
#include <asm/export.h>
GLOBAL_ENTRY(__strnlen_user)
.prologue
@ -43,3 +44,4 @@ GLOBAL_ENTRY(__strnlen_user)
mov ar.lc=r16 // restore ar.lc
br.ret.sptk.many rp
END(__strnlen_user)
EXPORT_SYMBOL(__strnlen_user)

5
arch/ia64/lib/xor.S
Просмотреть файл

@ -14,6 +14,7 @@
*/
#include <asm/asmmacro.h>
#include <asm/export.h>
GLOBAL_ENTRY(xor_ia64_2)
.prologue
@ -51,6 +52,7 @@ GLOBAL_ENTRY(xor_ia64_2)
mov pr = r29, -1
br.ret.sptk.few rp
END(xor_ia64_2)
EXPORT_SYMBOL(xor_ia64_2)
GLOBAL_ENTRY(xor_ia64_3)
.prologue
@ -91,6 +93,7 @@ GLOBAL_ENTRY(xor_ia64_3)
mov pr = r29, -1
br.ret.sptk.few rp
END(xor_ia64_3)
EXPORT_SYMBOL(xor_ia64_3)
GLOBAL_ENTRY(xor_ia64_4)
.prologue
@ -134,6 +137,7 @@ GLOBAL_ENTRY(xor_ia64_4)
mov pr = r29, -1
br.ret.sptk.few rp
END(xor_ia64_4)
EXPORT_SYMBOL(xor_ia64_4)
GLOBAL_ENTRY(xor_ia64_5)
.prologue
@ -182,3 +186,4 @@ GLOBAL_ENTRY(xor_ia64_5)
mov pr = r29, -1
br.ret.sptk.few rp
END(xor_ia64_5)
EXPORT_SYMBOL(xor_ia64_5)