Re: [PATCH -v7][RFC]: mutex: implement adaptive spinning

Andi Kleen
2009-01-10T00:59:54Z

On Sat, Jan 10, 2009 at 12:53:42AM +0000, Jamie Lokier wrote:
> Harvey Harrison wrote:
> > 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. */
>
> Does "always_inline" complain if the function isn't inlinable, while

Yes it does.

> "inline" allows it?

(unless you set -Winline which the kernel doesn't)

-Andi

--
ak@linux.intel.com