[PATCH v9 2/3] kernel.h: add to_user_ptr()
Gustavo Padovan
gustavo.padovan at collabora.co.uk
Thu Mar 17 18:05:23 UTC 2016
2016-03-17 Joe Perches <joe at perches.com>:
> On Thu, 2016-03-17 at 14:30 -0300, Gustavo Padovan wrote:
> > This function had copies in 3 different files. Unify them in
> > kernel.h.
>
> This is only used by gpu/drm.
>
> I think this is a poor name for a generic function
> that would be in kernel.h.
>
> Isn't there an include file in linux/drm that's
> appropriate for this. Maybe drmP.h
>
> Maybe prefix this function name with drm_ too.
No, the next patch adds a user to drivers/staging (which will be moved
to drivers/dma-buf) soon. Maybe move to a different header in
include/linux/? not sure which one.
> Also, there's this that might conflict:
>
> arch/powerpc/kernel/signal_32.c:#define to_user_ptr(p) ptr_to_compat(p)
> arch/powerpc/kernel/signal_32.c:#define to_user_ptr(p) ((unsigned long)(p))
Right, I'll figure out how to replace these two too.
Gustavo
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