Messages in this thread | | | Date | Thu, 10 Dec 2015 12:40:05 +0100 | From | Michal Hocko <> | Subject | Re: m(un)map kmalloc buffers to userspace |
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On Wed 09-12-15 16:35:53, Sebastian Frias wrote: [...] > We've seen that drivers/media/pci/zoran/zoran_driver.c for example seems to > be doing as us kmalloc+remap_pfn_range,
This driver is broken - I will post a patch.
> is there any guarantee (or at least an advised heuristic) to determine > if a driver is "current" (ie: uses the latest APIs and works)?
OK, it seems I was overly optimistic when directing you to existing drivers. Sorry about that I wasn't aware you could find such a terrible code there. Please refer to Linux Device Drivers book which should give you a much better lead (e.g. http://www.makelinux.net/ldd3/chp-15-sect-2) -- Michal Hocko SUSE Labs
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