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Date: Wed, 23 Nov 2005 14:09:04 -0800
From: "H. Peter Anvin" <hpa@zytor.com>
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To: Daniel Jacobowitz <dan@debian.org>
CC: Linus Torvalds <torvalds@osdl.org>, Alan Cox <alan@lxorguk.ukuu.org.uk>,
       Andi Kleen <ak@suse.de>, Gerd Knorr <kraxel@suse.de>,
       Dave Jones <davej@redhat.com>, Zachary Amsden <zach@vmware.com>,
       Pavel Machek <pavel@ucw.cz>, Andrew Morton <akpm@osdl.org>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
       Zwane Mwaikambo <zwane@arm.linux.org.uk>,
       Pratap Subrahmanyam <pratap@vmware.com>,
       Christopher Li <chrisl@vmware.com>,
       "Eric W. Biederman" <ebiederm@xmission.com>,
       Ingo Molnar <mingo@elte.hu>
Subject: Re: [patch] SMP alternatives
References: <1132764133.7268.51.camel@localhost.localdomain> <20051123163906.GF20775@brahms.suse.de> <1132766489.7268.71.camel@localhost.localdomain> <Pine.LNX.4.64.0511230858180.13959@g5.osdl.org> <4384AECC.1030403@zytor.com> <Pine.LNX.4.64.0511231031350.13959@g5.osdl.org> <1132782245.13095.4.camel@localhost.localdomain> <Pine.LNX.4.64.0511231331040.13959@g5.osdl.org> <20051123214835.GA24044@nevyn.them.org> <4384E4F7.9060806@zytor.com> <20051123220324.GA24517@nevyn.them.org>
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Daniel Jacobowitz wrote:
> 
> Please explain what problem you see.  If you use mmap to manually load
> libpthread.so, and patch up its relocations without going to ld.so,
> obviously you get to keep both pieces.  Or are you talking about
> synchronizing access to shared mmaped buffers?
> 

Yes.  Any shared mmaps may require working lock.

	-hpa