Date: Fri, 22 Jun 2001 14:34:19 -0700 (PDT) From: Matthew Jacob <mjacob@feral.com> To: John Baldwin <jhb@FreeBSD.org> Cc: <cvs-all@FreeBSD.org>, <cvs-committers@FreeBSD.org> Subject: Re: cvs commit: src/sys/alpha/include atomic.h Message-ID: <20010622143210.F20923-100000@wonky.feral.com> In-Reply-To: <XFMail.010622145212.jhb@FreeBSD.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On Fri, 22 Jun 2001, John Baldwin wrote: > > On 22-Jun-01 Matthew Jacob wrote: > > > > > > Hmm........ Did you decide this might clean up the foo we've been seeing? > > > > I believe I *had* mentioned this to you at some point...... > > It shouldn't be needed in theory, (theory is great) but it does make the > weird witness panics go away. I thought I mentioned that I thought that the issue here is that you're mixing atomic accesses (ldl_c/stX_c) which do not require MB with plain tests (using loads) which are not guaranteed to be coherent. Oh, well... Look- if it makes things better, great! Maybe just put a note to revisit it again later? -matt To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20010622143210.F20923-100000>