Date: Wed, 04 Oct 1995 04:27:43 -0700 From: David Greenman <davidg@Root.COM> To: Peter Wemm <peter@jhome.dialix.com> Cc: Julian Elischer <julian@freefall.freebsd.org>, CVS-commiters@freefall.freebsd.org, cvs-sys@freefall.freebsd.org Subject: Re: cvs commit: src/sys/i386/linux linux_misc.c Message-ID: <199510041127.EAA00513@corbin.Root.COM> In-Reply-To: Your message of "Wed, 04 Oct 95 18:16:04 %2B0800." <Pine.BSF.3.91.951004180907.1120G-100000@jhome.DIALix.COM>
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>On Wed, 4 Oct 1995, Julian Elischer wrote: >> julian 95/10/04 00:08:05 >> >> Modified: sys/i386/i386 trap.c >> sys/i386/linux linux_misc.c >> Log: >> Submitted by: Juergen Lock <nox@jelal.hb.north.de> >> Obtained from: other people on the net ? >> >> 1. stepping over syscalls (gdb ni) sends you to DDB, and returned >> to the wrong address afterwards, with or without DDB. patch in >> i386/i386/trap.c below. >> >> 2. the linux emulator (modload'ed) still causes panics with DIAGNOSTIC, >> re-applied a patch posted to one of the lists... > >BTW: #2 looks exactly like my patch that I posted some months ago on the >lists.. > >If I remember rightly, Terry complained about the changes that I made, >saying that it's bad news having a dozen or so "return"s in the function >all trying to keep track of the changing locking state, and I agree with >him. I rewrote it after cleaning it up, but never got a chance to do >anything with it, as jhome lost it's filesystem... If you had changed it to contain too many goto's, I would have complained, too, especially since I'm the author of most of the current trap() function. :-) -DG
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