Date: Tue, 20 Mar 2001 11:55:45 +1100 (EST) From: Bruce Evans <bde@zeta.org.au> To: John Baldwin <jhb@FreeBSD.ORG> Cc: Dag-Erling Smorgrav <des@ofug.org>, current@FreeBSD.ORG Subject: RE: Here's another one for you... Message-ID: <Pine.BSF.4.21.0103201153510.40498-100000@besplex.bde.org> In-Reply-To: <XFMail.010319123455.jhb@FreeBSD.org>
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On Mon, 19 Mar 2001, John Baldwin wrote: > Hmmm. An eip of 0 is bad. This could be just another instance of the bzero > bug just in another place. You probably want to change the code that actually > sets *bzero to i586_bzero (and same for any other ops that use floating point). > The code in question for this lies in i386/isa/npx.c. It seems we use the fp > regs for copyin/copyout and bcopy as well. I would just change line 458 of > npx.c to say '#ifdef I586_CPU_XXX' for now as your temporary patch (then you > don't need to patch pmap_zero_page() anymore.) There is no need to change anything. Just disable the fp optimizations using the npx flags. Bruce To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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