* nick <xerofo...@gmail.com> wrote:
>
>
> On 2015-02-16 02:55 AM, Ingo Molnar wrote:
> >
> > * Nicholas Krause <xerofo...@gmail.com> wrote:
> >
> >> This changes the structure sta2x11_dma_ops stucture to
> >> use switolb_dma_supported as it's function for
> >> dma_supported hardware verus setting this value to NULL
> >> as this should be set correctly for when dma_supported
> >> function needs to be called for this hardware. Otherwise
> >> this will cause a bug that will crash a operation needing
> >> to access this function if an intended hardware operation
> >> needs to call it but the kernel has the function pointer
> >> for this structure set to NULL incorrectly.
> >
> > This is a pretty vague description - what specific hardware
> > is affected and how is the bug triggered?
> >
> > Thanks,
> >
> > Ingo
> >
> Ingo,
>
> I am unaware of any hardware exactly that this effects.
> However this should be fixed as a preventive feature in
> order to avoid future bugs related to hardware that need
> this function to be supported by the kernel. If you wish
> I can rewrite the commit message stating this instead of
> my earlier commit message.
Fair enough, and yes, adding that info would be nice - just
appending your explanation would do the trick for me!
Thanks,
Ingo
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