Date: Fri, 12 Oct 2001 12:17:13 -0700 (PDT) From: John Baldwin <jhb@FreeBSD.org> To: Doug Rabson <dfr@FreeBSD.org> Cc: cvs-all@FreeBSD.org, cvs-committers@FreeBSD.org Subject: RE: cvs commit: src/sys/ia64/ia64 trap.c Message-ID: <XFMail.011012121228.jhb@FreeBSD.org> In-Reply-To: <200110121149.f9CBnBZ78258@freefall.freebsd.org>
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On 12-Oct-01 Doug Rabson wrote: > dfr 2001/10/12 04:49:11 PDT > > Modified files: > sys/ia64/ia64 trap.c > Log: > If the faulting instruction is a cmpxchg, then isr.w and isr.r will both > be set. We need to check isr.w before isr.r so that we can correctly > handle a cmpxchg to a copy-on-write page. > > This fixes the hang-after-fork problem for dynamically linked programs. Wow. Good snooping. :) -- John Baldwin <jhb@FreeBSD.org> -- http://www.FreeBSD.org/~jhb/ PGP Key: http://www.baldwin.cx/~john/pgpkey.asc "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
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