On Tue, 14 Jun 2022 23:49:52 +1000, Andrew Donnellan wrote: > Add a special case to block_rtas_call() to allow the ibm,platform-dump RTAS > call through the RTAS filter if the buffer address is 0. > > According to PAPR, ibm,platform-dump is called with a null buffer address > to notify the platform firmware that processing of a particular dump is > finished. > > [...] Applied to powerpc/fixes. [1/1] powerpc/rtas: Allow ibm,platform-dump RTAS call with null buffer address https://git.kernel.org/powerpc/c/7bc08056a6dabc3a1442216daf527edf61ac24b6 cheers