Am 19.05.2016 um 13:49 schrieb Muhammad Falak R Wani: > On Thu, May 19, 2016 at 01:18:10PM +0200, Christian König wrote: >> Am 19.05.2016 um 13:11 schrieb Muhammad Falak R Wani: >>> Use kmemdup when some other buffer is immediately copied into allocated >>> region. It replaces call to allocation followed by memcpy, by a single >>> call to kmemdup. >>> >>> Signed-off-by: Muhammad Falak R Wani <falakreyaz at gmail.com> >> NAK, actually using memcpy() is wrong in the first place. >> >> The UVD BO is in VRAM so the pointer is pointing to IO memory here, >> so this should be memcpy_fromio() instead of memcpy(). >> >> Christian. >> > Should I send V2 with the required changes, and I had a query,
I can take care of fixing this. > If memcpy was wrong, did it still work or it just got un-noticed ? Both, on X86 memcpy from IO memory works fine. Only on other architectures you run into problems with that. Regards, Christian.