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lib: Add a generic cmdline parse function parse_option_str

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There should be a generic function to parse params like a=b,c
Adding parse_option_str in lib/cmdline.c which will return true
if there's specified option set in the params.

Also updated efi=old_map parsing code to use the new function

Signed-off-by: Dave Young <dyoung@redhat.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
This commit is contained in:
Dave Young 2014-08-14 17:15:27 +08:00 • committed by Matt Fleming
parent b2e0a54a12
commit 6ccc72b87b
3 changed files with 32 additions and 20 deletions
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include/linux/kernel.h
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@ -407,6 +407,7 @@ int vsscanf(const char *, const char *, va_list);
extern int get_option(char **str, int *pint);
extern char *get_options(const char *str, int nints, int *ints);
extern unsigned long long memparse(const char *ptr, char **retptr);
extern bool parse_option_str(const char *str, const char *option);
extern int core_kernel_text(unsigned long addr);
extern int core_kernel_data(unsigned long addr);