On Tue, 2018-12-18 at 06:20:41 UTC, Anju T Sudhakar wrote: > The data structure (i.e struct imc_mem_info) to hold the memory address > information for nest imc units is allocated based on the number of nodes > in the system. > > nest_imc_event_init() traverse this struct array to calculate the memory > base address for the event-cpu. If we fail to find a match for the event > cpu's chip-id in imc_mem_info struct array, then the do-while loop will > iterate until we crash. > > Fix this by changing the loop exit condition based on the number of > non zero vbase elements in the array, since the allocation is done for > nr_chips + 1. > > Reported-by: Dan Carpenter <dan.carpen...@oracle.com> > Fixes: 885dcd709ba91 ( powerpc/perf: Add nest IMC PMU support) > Signed-off-by: Anju T Sudhakar <a...@linux.vnet.ibm.com> > Reviewed-by: Madhavan Srinivasan <ma...@linux.vnet.ibm.com>
Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/860b7d2286236170a36f94946d03ca98 cheers
