Messages in this thread | | | Date | Tue, 17 Sep 2019 13:40:41 +0200 | From | Gerd Hoffmann <> | Subject | Re: [PATCH v2 07/11] drm/ttm: drop VM_DONTDUMP |
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On Tue, Sep 17, 2019 at 11:22:35AM +0000, Koenig, Christian wrote: > Am 17.09.19 um 11:24 schrieb Gerd Hoffmann: > > Not obvious why this is needed. According to Deniel Vetter this is most > > likely a historic artefact dating back to the days where drm drivers > > exposed hardware registers as mmap'able gem objects, to avoid dumping > > touching those registers. > > Clearly a NAK. > > We still have that and really don't want to try dumping any CPU > inaccessible VRAM content even if it is mapped into the address space > somewhere.
Thanks for the clarification, I'll drop the patch.
cheers, Gerd
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