This is a note to let you know that I've just added the patch titled powerpc/kvm: Force selection of CONFIG_PPC_FPU to the 5.11-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: powerpc-kvm-force-selection-of-config_ppc_fpu.patch and it can be found in the queue-5.11 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 9093c2d61737c720b8f7f4ceb0aee15774d8c068 Author: Christophe Leroy <christophe.leroy@xxxxxxxxxx> Date: Tue Jan 19 06:36:52 2021 +0000 powerpc/kvm: Force selection of CONFIG_PPC_FPU [ Upstream commit 27f699579b64dbf27caf31e5c0eac567ec0aa8b8 ] book3s/32 kvm is designed with the assumption that an FPU is always present. Force selection of FPU support in the kernel when build KVM. Fixes: 7d68c8916950 ("powerpc/32s: Allow deselecting CONFIG_PPC_FPU on mpc832x") Reported-by: kernel test robot <lkp@xxxxxxxxx> Signed-off-by: Christophe Leroy <christophe.leroy@xxxxxxxxxx> Signed-off-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx> Link: https://lore.kernel.org/r/74461a99fa1466f361532ca794ca0753be3d9f86.1611038044.git.christophe.leroy@xxxxxxxxxx Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/arch/powerpc/kvm/Kconfig b/arch/powerpc/kvm/Kconfig index 549591d9aaa2c..e45644657d49d 100644 --- a/arch/powerpc/kvm/Kconfig +++ b/arch/powerpc/kvm/Kconfig @@ -54,6 +54,7 @@ config KVM_BOOK3S_32 select KVM select KVM_BOOK3S_32_HANDLER select KVM_BOOK3S_PR_POSSIBLE + select PPC_FPU help Support running unmodified book3s_32 guest kernels in virtual machines on book3s_32 host processors.