Date: Tue, 23 Nov 2004 16:31:00 -0500 From: John Baldwin <jhb@FreeBSD.org> To: powerpc@FreeBSD.org, amd64@FreeBSD.org, ia64@FreeBSD.org, Robert Watson <rwatson@FreeBSD.org> Subject: Re: Patch to optimize "bare" critical sections Message-ID: <200411231631.00945.jhb@FreeBSD.org> In-Reply-To: <200411231500.55841.jhb@FreeBSD.org> References: <200411231500.55841.jhb@FreeBSD.org>
next in thread | previous in thread | raw e-mail | index | archive | help
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@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200411231631.00945.jhb>