Date: Wed, 24 Jan 2001 11:50:36 -0800 From: Alfred Perlstein <bright@wintelcom.net> To: John Baldwin <jhb@FreeBSD.org> Cc: cvs-all@FreeBSD.org, cvs-committers@FreeBSD.org Subject: Re: cvs commit: src/sys/alpha/osf1 osf1_misc.c osf1_signal.c Message-ID: <20010124115036.E26076@fw.wintelcom.net> In-Reply-To: <XFMail.010124104135.jhb@FreeBSD.org>; from jhb@FreeBSD.org on Wed, Jan 24, 2001 at 10:41:35AM -0800 References: <20010124095504.X26076@fw.wintelcom.net> <XFMail.010124104135.jhb@FreeBSD.org>
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* John Baldwin <jhb@FreeBSD.org> [010124 10:42] wrote: > > On 24-Jan-01 Alfred Perlstein wrote: > > * John Baldwin <jhb@FreeBSD.org> [010124 02:28] wrote: > >> jhb 2001/01/24 02:27:11 PST > >> > >> Modified files: > >> sys/alpha/osf1 osf1_misc.c osf1_signal.c > >> Log: > >> Proc locking. > > > > I thought you said you would stop locking read only structures? > > If I know that they are read only. I don't have the entire kernel > memorized. Any feedback on the locking comments in sys/proc.h would be > welcome. Are you saying that p_cred should be (b) instead of (c)? Yes. There are races, but they happen anyway. Let's say process A is about to do a setuid and B is about to send it a signal, you might as well let them race it out because it's a race anyway. -- -Alfred Perlstein - [bright@wintelcom.net|alfred@freebsd.org] "I have the heart of a child; I keep it in a jar on my desk." To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
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