Date: Wed, 28 Apr 1999 07:36:48 +0200 From: Poul-Henning Kamp <phk@critter.freebsd.dk> To: Luoqi Chen <luoqi@watermarkgroup.com> Cc: current@FreeBSD.ORG, smp@FreeBSD.ORG Subject: Re: HEADS UP! to commit SMP vmspace sharing patches Message-ID: <22148.925277808@critter.freebsd.dk> In-Reply-To: Your message of "Tue, 27 Apr 1999 19:49:44 EDT." <199904272349.TAA28969@lor.watermarkgroup.com>
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In message <199904272349.TAA28969@lor.watermarkgroup.com>, Luoqi Chen writes: >I'm about to commit the SMP vmspace sharing patch (the %fs approach). All >kernel modules will need to be recompiled. Recompilation is not neccessary >for user land applications including ps, libkvm and friends. > >In this %fs approach, per-processor private pages are no longer mapped at >identical virtual address for each cpu, instead a new segment descriptor (%fs) >is setup to access per-cpu global variables like curproc. How is this accessed from C sources ? -- Poul-Henning Kamp FreeBSD coreteam member phk@FreeBSD.ORG "Real hackers run -current on their laptop." FreeBSD -- It will take a long time before progress goes too far! To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message
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