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linux/arch/powerpc/include
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Alistair Popple a1409adac7 powerpc/powernv/npu: Prevent overwriting of pnv_npu2_init_contex() callback parameters 
There is a single npu context per set of callback parameters. Callers
should be prevented from overwriting existing callback values so
instead return an error if different parameters are passed.

Fixes: 1ab66d1fba ("powerpc/powernv: Introduce address translation services for Nvlink2")
Cc: stable@vger.kernel.org # v4.12+
Signed-off-by: Alistair Popple <alistair@popple.id.au>
Reviewed-by: Mark Hairgrove <mhairgrove@nvidia.com>
Tested-by: Mark Hairgrove <mhairgrove@nvidia.com>
Reviewed-by: Balbir Singh <bsingharora@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
History 2018-04-24 09:46:57 +10:00
..
asm powerpc/powernv/npu: Prevent overwriting of pnv_npu2_init_contex() callback parameters 2018-04-24 09:46:57 +10:00
uapi/asm KVM changes for 4.16 2018-02-10 13:16:35 -08:00