Date: Thu, 15 Nov 2001 09:31:02 -0800 (PST) From: John Baldwin <jhb@FreeBSD.org> To: John Baldwin <jhb@FreeBSD.org> Cc: cvs-all@FreeBSD.org, cvs-committers@FreeBSD.org Subject: RE: cvs commit: src/sys/i386/i386 trap.c Message-ID: <XFMail.011115093102.jhb@FreeBSD.org> In-Reply-To: <200111151729.fAFHTax23611@freefall.freebsd.org>
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On 15-Nov-01 John Baldwin wrote: > jhb 2001/11/15 09:29:36 PST > > Modified files: > sys/i386/i386 trap.c > Log: > - Don't enable interrupts in trap() if we trapped while holding a spin > lock as this usually makes the problem worse. > - If we get a page fault while holding a spin lock, treat it as a fatal > trap and don't even bother calling into the VM since calling into the > VM will panic when trying to lock Giant before we can get a useful > message anyways. Other architectures should probably do something similar to the second part here. (Calling trap_fatal() immediately for a page fault while holding a spin lock.) -- John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "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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