Messages in this thread | | | Date | Fri, 25 Feb 2005 11:44:31 +0100 | From | Andi Kleen <> | Subject | Re: [PATCH 2/2] page table iterators |
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On Thu, Feb 24, 2005 at 11:33:50AM -0800, David S. Miller wrote: > On Thu, 24 Feb 2005 11:58:42 +0000 (GMT) > Hugh Dickins <hugh@veritas.com> wrote: > > > Has anyone _ever_ seen a p??_ERROR message? > > It triggers when you're writing new platform pagetable support > or making drastric changes in same. But on sparc64 I've set > them all to nops to make the code output smaller. :-)
I don't think it's useful except for early debugging.
Also at least on i386/x86-64 the CPU sets a bit in the page fault handler when it encounters a corrupted page table. On x86-64 it is handled (not on i386)
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