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static_call: Avoid building empty .static_call_sites

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Without CONFIG_HAVE_STATIC_CALL_INLINE there's no point in creating
the .static_call_sites section and it's related symbols.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Link: https://lore.kernel.org/r/20220308154317.223798256@infradead.org
This commit is contained in:
Peter Zijlstra 2022-03-08 16:30:12 +01:00
parent 599d66b847
commit b44544fe02
1 changed files with 4 additions and 0 deletions
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4
include/asm-generic/vmlinux.lds.h
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@ -404,6 +404,7 @@
KEEP(*(__jump_table)) \
__stop___jump_table = .;
#ifdef CONFIG_HAVE_STATIC_CALL_INLINE
#define STATIC_CALL_DATA \
. = ALIGN(8); \
__start_static_call_sites = .; \
@ -412,6 +413,9 @@
__start_static_call_tramp_key = .; \
KEEP(*(.static_call_tramp_key)) \
__stop_static_call_tramp_key = .;
#else
#define STATIC_CALL_DATA
#endif
/*
* Allow architectures to handle ro_after_init data on their