On Fri, 19 Jun 2020 12:31:13 +0530, Satheesh Rajendran wrote: > Early secure guest boot hits the below crash while booting with > vcpus numbers aligned with page boundary for PAGE size of 64k > and LPPACA size of 1k i.e 64, 128 etc, due to the BUG_ON assert > for shared_lppaca_total_size equal to shared_lppaca_size, > > [ 0.000000] Partition configured for 64 cpus. > [ 0.000000] CPU maps initialized for 1 thread per core > [ 0.000000] ------------[ cut here ]------------ > [ 0.000000] kernel BUG at arch/powerpc/kernel/paca.c:89! > [ 0.000000] Oops: Exception in kernel mode, sig: 5 [#1] > [ 0.000000] LE PAGE_SIZE=64K MMU=Radix SMP NR_CPUS=2048 NUMA pSeries > > [...]
Applied to powerpc/fixes. [1/1] powerpc/pseries/svm: Fix incorrect check for shared_lppaca_size https://git.kernel.org/powerpc/c/b710d27bf72068b15b2f0305d825988183e2ff28 cheers