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Permit silencing of __deprecated warnings.

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The __deprecated marker is quite useful in highlighting the remnants of
old APIs that want removing.

However, it is quite normal for one or more years to pass, before the
(usually ancient, bitrotten) code in question is either updated or
deleted.

Thus, like __must_check, add a Kconfig option that permits the silencing
of this compiler warning.

This change mimics the ifdef-ery and Kconfig defaults of MUST_CHECK as
closely as possible.

Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jeff Garzik 2007-10-25 04:06:13 -04:00 • committed by Linus Torvalds
parent c67c36e4b8
commit de48844398
2 changed files with 14 additions and 0 deletions
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6
include/linux/compiler.h
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@ -101,6 +101,12 @@ extern void __chk_io_ptr(const volatile void __iomem *);
#undef __must_check
#define __must_check
#endif
#ifndef CONFIG_ENABLE_WARN_DEPRECATED
#undef __deprecated
#undef __deprecated_for_modules
#define __deprecated
#define __deprecated_for_modules
#endif
/*
* Allow us to avoid 'defined but not used' warnings on functions and data,