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    SubjectRe: [PATCH -v7][RFC]: mutex: implement adaptive spinning
    On Fri, 2009-01-09 at 14:09 -0800, Linus Torvalds wrote:
    > Actually, the nice part about "inline_hint" would be that then we could
    > have some nice config option like
    > #define inline_hint noinline
    > #elif defined(CONFIG_TRUST_COMPILER)
    > #define inline_hint /* */
    > #else
    > #define inline_hint __inline
    > #endif
    > and now the _only_ thing we need to do is to remove the
    > #define __inline __force_inline
    > thing, and just agree that "__inline" is the "native compiler meaning".
    > We have a few users of "__inline", but not very many. We can leave them
    > alone, or just convert them to __inline__ or inline.

    Oh yeah, and figure out what actually breaks on alpha such that they added
    the following (arch/alpha/include/asm/compiler.h)

    #ifdef __KERNEL__
    /* Some idiots over in <linux/compiler.h> thought inline should imply
    always_inline. This breaks stuff. We'll include this file whenever
    we run into such problems. */

    #include <linux/compiler.h>
    #undef inline
    #undef __inline__
    #undef __inline
    #undef __always_inline
    #define __always_inline inline __attribute__((always_inline))

    #endif /* __KERNEL__ */



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      Last update: 2009-01-09 23:29    [W:0.022 / U:78.508 seconds]
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