Date: Mon, 5 Apr 2004 03:28:41 -0500 From: Alan Cox <alc@cs.rice.edu> To: Alfred Perlstein <alfred@freebsd.org> Cc: cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/vm vm_mmap.c Message-ID: <20040405082841.GT15786@cs.rice.edu> In-Reply-To: <20040405072202.GY26131@elvis.mu.org> References: <200404050454.i354sMEd062597@repoman.freebsd.org> <20040405072202.GY26131@elvis.mu.org>
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On Mon, Apr 05, 2004 at 12:22:02AM -0700, Alfred Perlstein wrote: > This fixes the bug I reported? > Yes, I believe so. This is the patch that I e-mailed you yesterday. Alan > * Alexander Kabaev <kan@FreeBSD.org> [040404 21:54] wrote: > > kan 2004/04/04 21:54:22 PDT > > > > FreeBSD src repository > > > > Modified files: > > sys/vm vm_mmap.c > > Log: > > Delay permission checks for VCHR vnodes until after vnode is locked in > > vm_mmap_vnode function, where we can safely check for a special /dev/zero > > case. Rev. 1.180 has reordered checks and introduced a regression. > > > > Submitted by: alc > > Was broken by: kan > > > > Revision Changes Path > > 1.187 +7 -2 src/sys/vm/vm_mmap.c > > -- > - Alfred Perlstein > - Research Engineering Development Inc. > - email: bright@mu.org cell: 408-480-4684
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