Date: Mon, 7 Dec 1998 14:59:40 -0800 (PST) From: "Rodney W. Grimes" <rgrimes@GndRsh.aac.dev.com> To: bde@zeta.org.au (Bruce Evans) Cc: freebsd-current@FreeBSD.ORG Subject: Re: sio breakage Message-ID: <199812072259.OAA26700@GndRsh.aac.dev.com> In-Reply-To: <199812010330.OAA20453@godzilla.zeta.org.au> from Bruce Evans at "Dec 1, 98 02:30:14 pm"
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...
>
> something()
> {
> asm("cli");
> asm("sti");
> }
>
...
>
> Fixes:
> kernel: send a fatal signal to applications that do this.
> applications: don't do this. If interrupts must be disabled, then all
> critical code and data must be within one page.
Do we have the equivelent of the VMS wire(memory_range) call so that
programs can force thier critical code sections to be non page faultable?
--
Rod Grimes - KD7CAX - (RWG25) rgrimes@gndrsh.aac.dev.com
Accurate Automation, Inc. Reliable computers for FreeBSD
http://www.aai.dnsmgr.com
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