Date: Fri, 12 Mar 2004 22:28:36 +0100 From: Wilko Bulte <wkb@freebie.xs4all.nl> To: John Baldwin <jhb@freebsd.org> Cc: alpha@freebsd.org Subject: Re: Testers Needed!! Message-ID: <20040312212836.GA5083@freebie.xs4all.nl> In-Reply-To: <200403121543.03123.jhb@FreeBSD.org> References: <200403121543.03123.jhb@FreeBSD.org>
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On Fri, Mar 12, 2004 at 03:43:03PM -0500, John Baldwin wrote: > Ok, two patches that I need someone to test. First off, I have some fixes to > allow ptrace() to be marked MP safe again w/o generating a lock order > reversal. This patch is at > http://www.FreeBSD.org/~jhb/patches/alpha.ptrace.patch > > Note that you will have to do a 'make init_sysent.c' in sys/kern after > patching to get the updated ptrace flag before building a new kernel. Anything special to be done for testing this one? > > interrupted by an interrupt returning back to PAL on a different CPU and that > this violated some assumption made by PAL. To work around this, I use the > new sched_pin() API to pin the interrupted thread around ithread preemption > in this patch. So, this patch needs to be tested on both UP and SMP under Don't have SMP, can do UP. > load (-j 256 world build loops, etc.). I'm also curious if it does help > performance at all, or at least the interactive "feel". Patch is at > http://www.FreeBSD.org/~jhb/patches/alpha_preempt.patch Will let you know.. -- Wilko Bulte wilko@FreeBSD.org
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