Date: Thu, 19 Apr 2001 15:46:11 +0300 From: Peter Pentchev <roam@orbitel.bg> To: Bruce Evans <bde@zeta.org.au> Cc: Matt Dillon <dillon@earth.backplane.com>, Alfred Perlstein <bright@wintelcom.net>, Terry Lambert <tlambert@primenet.com>, arch@FreeBSD.ORG Subject: Re: Found BAD BUG: squashed Message-ID: <20010419154611.D1067@ringworld.oblivion.bg> In-Reply-To: <Pine.BSF.4.21.0104192239120.9719-100000@besplex.bde.org>; from bde@zeta.org.au on Thu, Apr 19, 2001 at 10:44:12PM %2B1000 References: <20010419105902.B3605@ringworld.oblivion.bg> <Pine.BSF.4.21.0104192239120.9719-100000@besplex.bde.org>
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On Thu, Apr 19, 2001 at 10:44:12PM +1000, Bruce Evans wrote: > On Thu, 19 Apr 2001, Peter Pentchev wrote: > > > Would there be any bad implications of upping cr_ref to 32-bit before 4.3? > > Besides binary compatibility? (I know, I know.. recompiling third-party > > kernel modules and all..) > > It's hard to tell with only 1 day to test :-). Non-bloatage of the struct > makes bugs less obvious. If not all the modules are compiled, then some > modules may provide (nonzero) garbage in the padding after cr_ref. This > will be interpreted as a large refcount by new kernels and ucreds will > never be freed. Ack. I never thought of stale modules. Point taken - there might also be LOTS of other things I - or others - have not thought of :) G'luck, Peter -- I am not the subject of this sentence. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message
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