On Thu, 2017-10-19 at 19:41:33 UTC, "Guilherme G. Piccoli" wrote: > When setting nr_cpus=1, we observed a crash in IMC code during boot > due to a missing allocation: basically, IMC code is taking the number > of threads into account in imc_mem_init() and if we manually set > nr_cpus for a value that is not multiple of the number of threads per > core, an integer division in that function will discard the decimal > portion, leading IMC to not allocate one mem_info struct. This causes > a NULL pointer dereference later, on is_core_imc_mem_inited(). > > This patch just rounds that division up, fixing the bug. > > Signed-off-by: Guilherme G. Piccoli <gpicc...@linux.vnet.ibm.com>
Applied to powerpc fixes, thanks. https://git.kernel.org/powerpc/c/0b167f11085a34281349f395d20005 cheers
