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compiler: Tweak __UNIQUE_ID() naming

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In preparation for the objtool klp diff subcommand, add an underscore
between the name and the counter.  This will make it possible for
objtool to distinguish between the non-unique and unique parts of the
symbol name so it can properly correlate the symbols.

Acked-by: Petr Mladek <pmladek@suse.com>
Tested-by: Joe Lawrence <joe.lawrence@redhat.com>
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
This commit is contained in:
Josh Poimboeuf
2025-09-17 09:03:13 -07:00
parent 122679ebf9
commit afb026b6d3
1 changed files with 5 additions and 1 deletions
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6
include/linux/compiler.h
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@@ -163,7 +163,11 @@ void ftrace_likely_update(struct ftrace_likely_data *f, int val,
__asm__ ("" : "=r" (var) : "0" (var))
#endif
#define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
/* Format: __UNIQUE_ID_<name>_<__COUNTER__> */
#define __UNIQUE_ID(name) \
__PASTE(__UNIQUE_ID_, \
__PASTE(name, \
__PASTE(_, __COUNTER__)))
/**
* data_race - mark an expression as containing intentional data races