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| author | Ingo Molnar <mingo@elte.hu> | 2008-05-14 08:10:31 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2008-05-23 22:36:24 +0200 |
| commit | 37135677e653537ffc6e7def679443272a1c03c3 (patch) | |
| tree | 13ca182dfe446cefc60f8cf5e91b59a43b3170f7 /arch/x86 | |
| parent | d05f5f9906740474eb768823004ffcd775b12ca6 (diff) | |
| download | linux-37135677e653537ffc6e7def679443272a1c03c3.tar.gz linux-37135677e653537ffc6e7def679443272a1c03c3.tar.bz2 linux-37135677e653537ffc6e7def679443272a1c03c3.zip | |
ftrace: fix mcount export bug
David S. Miller noticed the following bug: the -pg instrumentation
function callback is named differently on each platform. On x86 it
is mcount, on sparc it is _mcount. So the export does not make sense
in kernel/trace/ftrace.c - move it to x86.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/kernel/i386_ksyms_32.c | 9 | ||||
| -rw-r--r-- | arch/x86/kernel/x8664_ksyms_64.c | 11 |
2 files changed, 17 insertions, 3 deletions
diff --git a/arch/x86/kernel/i386_ksyms_32.c b/arch/x86/kernel/i386_ksyms_32.c index deb43785e923..29999dbb754c 100644 --- a/arch/x86/kernel/i386_ksyms_32.c +++ b/arch/x86/kernel/i386_ksyms_32.c @@ -1,7 +1,14 @@ +#include <linux/ftrace.h> #include <linux/module.h> + #include <asm/checksum.h> -#include <asm/desc.h> #include <asm/pgtable.h> +#include <asm/desc.h> + +#ifdef CONFIG_FTRACE +/* mcount is defined in assembly */ +EXPORT_SYMBOL(mcount); +#endif /* Networking helper routines. */ EXPORT_SYMBOL(csum_partial_copy_generic); diff --git a/arch/x86/kernel/x8664_ksyms_64.c b/arch/x86/kernel/x8664_ksyms_64.c index f6c05d0410fb..122885bc5f3b 100644 --- a/arch/x86/kernel/x8664_ksyms_64.c +++ b/arch/x86/kernel/x8664_ksyms_64.c @@ -1,15 +1,22 @@ /* Exports for assembly files. All C exports should go in the respective C files. */ +#include <linux/ftrace.h> #include <linux/module.h> -#include <net/checksum.h> #include <linux/smp.h> +#include <net/checksum.h> + #include <asm/processor.h> -#include <asm/uaccess.h> #include <asm/pgtable.h> +#include <asm/uaccess.h> #include <asm/desc.h> +#ifdef CONFIG_FTRACE +/* mcount is defined in assembly */ +EXPORT_SYMBOL(mcount); +#endif + EXPORT_SYMBOL(kernel_thread); EXPORT_SYMBOL(__get_user_1); |