Date: Mon, 24 Feb 2003 09:36:15 -0500 From: Hiten Pandya <hiten@unixdaemons.com> To: Bruce Evans <bde@zeta.org.au> Cc: Hiten Pandya <hiten@unixdaemons.com>, current@FreeBSD.ORG Subject: Re: machdep.guessed_bootdev sysctl on i386 Message-ID: <20030224143615.GB74746@unixdaemons.com> In-Reply-To: <20030224174824.T5729-100000@gamplex.bde.org> References: <20030224163424.R5465-100000@gamplex.bde.org> <20030224174824.T5729-100000@gamplex.bde.org>
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Bruce Evans (Mon, Feb 24, 2003 at 06:27:26PM +1100) wrote: > On Mon, 24 Feb 2003, I wrote: > I tested with plain -current and old boot blocks. The sysctl still reports > ad disks correctly. > > I don't care about the sysctl but want to keep the boot blocks as > backwards compatible as possible. That means passing the boot device > in the old encoding, which only takes a couple of lines of code. > Current kernels ignore this and use a device name passed in the > environment. This is presumably returned by the kenv syscall although > not by a sysctl, so the sysctl is certainly not needed. I didn't test > this since my boot blocks are too old and simple to pass an environment. > They pass the device name more directly. Ok, I don't want to change the encoding or anything, but I think the sysctl should be nuked. Please see my later post to this thread, I have provided a patch. Cheers. -- Hiten Pandya (hiten@unixdaemons.com, hiten@uk.FreeBSD.org) http://www.unixdaemons.com/~hiten/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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