Series applied, thanks. Huacai On Wed, Feb 19, 2025 at 11:38 AM Bibo Mao <maobibo@xxxxxxxxxxx> wrote: > > There is enhancement about PGD saving about KVM hypervisor. Register > LOONGARCH_CSR_PGDL is shared between host kernel and KVM hypervisor. > For host kernel it is for user space pgd of VMM threads, secondary mmu > for KVM hypervisor. Both are not changed after VM is created, so it > can be saved as host_pgd and kvm_pgd in advanced. > > Also it fixes GPA size typo issue, it should cpu_vabits rather than > cpu_vabits - 1. And inject data abort error to VM if it exceeds maximum. > GPA size. For example there will be data abort when executing command: > # busybox devmem 0xc00000100008 > Bus error (core dumped) > Previous it is treated as MMIO address and let VMM handle this. > > --- > v1 ... v2: > 1. Use name kvm_pgd rather than host_second_pgd for PGD of > hypervisor. > 2. Fix GPA size typo issue and add page fault address checking. > > --- > Bibo Mao (2): > LoongArch: KVM: Remove PGD saving during VM context switch > LoongArch: KVM: Fix GPA size issue about VM > > arch/loongarch/include/asm/kvm_host.h | 2 ++ > arch/loongarch/kernel/asm-offsets.c | 4 +--- > arch/loongarch/kvm/exit.c | 6 ++++++ > arch/loongarch/kvm/switch.S | 12 ++---------- > arch/loongarch/kvm/vcpu.c | 8 ++++++++ > arch/loongarch/kvm/vm.c | 7 ++++++- > 6 files changed, 25 insertions(+), 14 deletions(-) > > > base-commit: 2408a807bfc3f738850ef5ad5e3fd59d66168996 > -- > 2.39.3 >
