Patch to optimize "bare" critical sections

[John Baldwin]

On Tuesday 23 November 2004 03:00 pm, John Baldwin wrote:
> Basically, I have a patch to divorce the interrupt disable/deferring to
> only happen inside of spinlocks using a new spinlock_enter/exit() API
> (where a spinlock_enter/exit includes a critical section as well) but that
> plain critical sections won't have to do such a thing.  I've tested it on
> i386, alpha, and sparc64 already, and it has also been tested on arm.  I'm
> unable to get a cross-built powerpc kernel to link (linker dies with a
> signal 6), but the compile did finish.  I have cross-compiled ia64 and
> amd64
> successfully, but have not run tested due to ENOHARDWARE.  So, I would
> appreciate it if a few folks could try the patch out on ppc, ia64, and
> amd64 to make sure it works ok.  Thanks.
>
> http://www.FreeBSD.org/~jhb/spinlock.patch

*cough*  Ahem, http://www.FreeBSD.org/~jhb/patches/spinlock.patch

Sorry about that.

-- 
John Baldwin <jhb at FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve"  =  http://www.FreeBSD.org