Messages in this thread | | | Date | Mon, 10 Nov 2003 17:50:25 +0100 | From | Manfred Spraul <> | Subject | Re: EFAULT reading /dev/mem... - broken x86info |
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Dave Jones wrote:
>I don't really have much insight into the behind the scenes going on's of >DEBUG_PAGEALLOC, so I don't know if your suggestion has merit or not. >Maybe Manfred can shed some insight? > DEBUG_PAGEALLOC is not the only user of change_page_attr: gart also removes it's pages from the linear mapping. I think x86info should accept the -EFAULT as an indication that the targeted page is in use for other purpose, and definitively doesn't contain a mptable. The other option would be to change both DEBUG_PAGEALLOC and the AGP gart driver
> This does seem to be a regression IMO >(Though I am somewhat biased as this breaks my app 8-) > It breaks either your app or your AGP driver - what's simpler to fix? I'm biased, because if you update the AGP driver, then I must figure out how to fix DEBUG_PAGEALLOC 8-)
-- Manfred
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