Date: Mon, 18 Feb 2002 16:05:11 -0500 (EST) From: Andrew Gallatin <gallatin@cs.duke.edu> To: Matthew Dillon <dillon@apollo.backplane.com> Cc: arch@freebsd.org, phk@critter.freebsd.dk, jhb@freebsd.org, peter@wemm.org, jake@locore.ca Subject: Re: gettimeofday() and copyout(). Is copyout() MPSAFE on non-i386 archs? Message-ID: <15473.27783.127191.533025@grasshopper.cs.duke.edu> In-Reply-To: <200202160500.g1G50j145638@apollo.backplane.com> References: <200202160500.g1G50j145638@apollo.backplane.com>
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Matthew Dillon writes: > Poul indicated today that the microtime() call that gettimeofday() uses > is MPSAFE. copyout() on I386 is MPSAFE, and from my perusal of the > other archs it appears to be MPSAFE for alpha, ia64, and sparc64 > as well. > > This would seem to indicate that Giant can be removed from the > gettimeofday() system call. I would like those familiar with the > other archs to verify that copyout() is MPSAFE on them. I am testing > Giant removal for this syscall on i386 now. I also think copyout on alpha is mpsafe. However, I have no mp alphas, so I have no way of testing this. Drew To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message
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