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aarch64: filter $x from kallsyms

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Similar to ARM, AArch64 is generating $x and $d syms... which isn't
terribly helpful when looking at %pF output and the like. Filter those
out in kallsyms, modpost and when looking at module symbols.

Seems simplest since none of these check EM_ARM anyway, to just add it
to the strchr used, rather than trying to make things overly
complicated.

initcall_debug improves:
dmesg_before.txt: initcall $x+0x0/0x154 [sg] returned 0 after 26331 usecs
dmesg_after.txt: initcall init_sg+0x0/0x154 [sg] returned 0 after 15461 usecs

Signed-off-by: Kyle McMartin <[email protected]>
Acked-by: Rusty Russell <[email protected]>
Signed-off-by: Catalin Marinas <[email protected]>
This commit is contained in:
Kyle McMartin 2014-09-16 22:37:18 +01:00 • committed by Catalin Marinas
commit 6c34f1f542
3 changed files with 3 additions and 3 deletions
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2
kernel/module.c
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@ -3388,7 +3388,7 @@ static inline int is_arm_mapping_symbol(const char *str)
{
if (str[0] == '.' && str[1] == 'L')
return true;
return str[0] == '$' && strchr("atd", str[1])
return str[0] == '$' && strchr("axtd", str[1])
&& (str[2] == '\0' || str[2] == '.');
}