Date: Mon, 12 Nov 2001 19:42:31 -0500 (EST) From: Robert Watson <rwatson@FreeBSD.org> To: John Baldwin <jhb@FreeBSD.org> Cc: freebsd-arch@FreeBSD.org, Matthew Dillon <dillon@apollo.backplane.com>, Terry Lambert <tlambert2@mindspring.com> Subject: Re: cur{thread/proc}, or not. Message-ID: <Pine.NEB.3.96L.1011112194158.36592D-100000@fledge.watson.org> In-Reply-To: <XFMail.011112163814.jhb@FreeBSD.org>
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On Mon, 12 Nov 2001, John Baldwin wrote: > > My recollection is that there was some concern about the size of the unit > > of atomic operation across platforms. I may not recall correctly, but my > > understanding was that some platforms substantially limited the potential > > size of the target of the atomic operation to less than the normal > > arithmetic unit size. Again, subject to the fallibility of my > > recollection, the maximum unit for atomic operations on Sparc64 was > > 24-bit, despite the native register size being 64-bit. > > No, that was on sparc32, not sparc64. All of our current architectures > would be fine with it. Oh, good. I couldn't remember (hence some waffling) -- I have no problem with this. Robert N M Watson FreeBSD Core Team, TrustedBSD Project robert@fledge.watson.org NAI Labs, Safeport Network Services To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message
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