AcoSail/kernel_optimize_test
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x86, asmlinkage: Make _*_start_kernel visible

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Obviously these functions have to be visible, otherwise
the whole kernel could be optimized away.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Link: http://lkml.kernel.org/r/1375740170-7446-5-git-send-email-andi@firstfloor.org
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
This commit is contained in:
Andi Kleen 2013-08-05 15:02:38 -07:00 committed by H. Peter Anvin
parent 1d9090e2fb
commit a1ed4ddfb7
3 changed files with 7 additions and 5 deletions
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8
arch/x86/include/asm/setup.h
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@ -6,6 +6,8 @@
#define COMMAND_LINE_SIZE 2048
#include <linux/linkage.h>
#ifdef __i386__
#include <linux/pfn.h>
@ -108,11 +110,11 @@ void *extend_brk(size_t size, size_t align);
extern void probe_roms(void);
#ifdef __i386__
void __init i386_start_kernel(void);
asmlinkage void __init i386_start_kernel(void);
#else
void __init x86_64_start_kernel(char *real_mode);
void __init x86_64_start_reservations(char *real_mode_data);
asmlinkage void __init x86_64_start_kernel(char *real_mode);
asmlinkage void __init x86_64_start_reservations(char *real_mode_data);
#endif /* __i386__ */
#endif /* _SETUP */

2
arch/x86/kernel/head32.c
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@ -29,7 +29,7 @@ static void __init i386_default_early_setup(void)
reserve_ebda_region();
}
void __init i386_start_kernel(void)
asmlinkage void __init i386_start_kernel(void)
{
sanitize_boot_params(&boot_params);

2
arch/x86/kernel/head64.c
View File

@ -137,7 +137,7 @@ static void __init copy_bootdata(char *real_mode_data)
}
}
void __init x86_64_start_kernel(char * real_mode_data)
asmlinkage void __init x86_64_start_kernel(char * real_mode_data)
{
int i;