Date: Fri, 08 Feb 2002 10:16:26 -0500 (EST) From: John Baldwin <jhb@FreeBSD.org> To: Terry Lambert <tlambert2@mindspring.com> Cc: Julian Elischer <julian@elischer.org>, current@freebsd.org Subject: Re: ucred for threads Message-ID: <XFMail.020208101626.jhb@FreeBSD.org> In-Reply-To: <3C636F6C.96506043@mindspring.com>
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On 08-Feb-02 Terry Lambert wrote: > John Baldwin wrote: >> No, an unlocked compare is _not_ ok. What if the p_ucred pointer was >> changed >> on some other processor by another thread from this processor? > > I saw your response to Julian... I understand the concern, > but I think it's unfounded. Let me explain. Yes, it's an acceptable race to lose as you say. -- John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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