On 04/06/2018 03:27, Paul Mackerras wrote: > Paolo or Radim, > > Please do a pull from my kvm-ppc-next-4.18-1 tag to get a PPC KVM > update for 4.18. This is a reasonably large update; it includes two > series from Simon Guo, to reimplement the MMIO instruction emulation > and to add transactional memory support to PR KVM, plus a series from > Nick Piggin to improve radix page table handing, plus quite a few > other patches. > > I have merged in Michael Ellerman's topic/ppc-kvm branch to get some > commits that affect arch/powerpc and were needed as prerequisites for > the KVM patches here. > > Thanks, > Paul. > > The following changes since commit df158189dbcc2e0ee29dc4b917d45ee5bf25a35e: > > KVM: PPC: Book 3S HV: Do ptesync in radix guest exit path (2018-05-17 15:17:13 +1000) > > are available in the Git repository at: > > git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc tags/kvm-ppc-next-4.18-1 > > for you to fetch changes up to deeb879de955f4e04be3d43c33bc311087f063bf: > > KVM: PPC: Book3S PR: Enable kvmppc_get/set_one_reg_pr() for HTM registers (2018-06-01 10:31:08 +1000) > > ---------------------------------------------------------------- > PPC KVM update for 4.18 > > * Reimplement MMIO instruction emulation using analyse_instr, which avoids > duplication of the instruction decoder and reduces code size. > * PR KVM improvements: implement support for transactional memory, > and enable PR KVM on POWER9 guests running in HPT mode. > * Radix page table improvements for POWER9. > * Improvements and bugfixes for IOMMU (TCE) support. > * Other miscellaneous fixes. > > ---------------------------------------------------------------- > Alexey Kardashevskiy (3): > KVM: PPC: Book3S: Use correct page shift in H_STUFF_TCE > KVM: PPC: Book3S: Allow backing bigger guest IOMMU pages with smaller physical pages > KVM: PPC: Book3S: Check KVM_CREATE_SPAPR_TCE_64 parameters > > Aneesh Kumar K.V (1): > powerpc/kvm: Switch kvm pmd allocator to custom allocator > > Mathieu Malaterre (1): > powerpc/kvm: Prefer fault_in_pages_readable function > > Nicholas Piggin (10): > powerpc/mm/radix: implement LPID based TLB flushes to be used by KVM > KVM: PPC: Book3S HV: Lockless tlbie for HPT hcalls > KVM: PPC: Book3S HV: Use a helper to unmap ptes in the radix fault path > KVM: PPC: Book3S HV: Recursively unmap all page table entries when unmapping > KVM: PPC: Book3S HV: Make radix use the Linux translation flush functions for partition scope > KVM: PPC: Book3S HV: Make radix handle process scoped LPID flush in C, with relocation on > KVM: PPC: Book3S HV: radix: Refine IO region partition scope attributes > KVM: PPC: Book3S HV: radix: Do not clear partition PTE when RC or write bits do not match > KVM: PPC: Book3S HV: Fix kvmppc_bad_host_intr for real mode interrupts > KVM: PPC: Book3S HV: Send kvmppc_bad_interrupt NMIs to Linux handlers > > Paul Mackerras (8): > KVM: PPC: Book3S HV: Add 'online' register to ONE_REG interface > KVM: PPC: Book3S HV: Set RWMR on POWER8 so PURR/SPURR count correctly > KVM: PPC: Book3S HV: Fix inaccurate comment > Merge remote-tracking branch 'remotes/powerpc/topic/ppc-kvm' into kvm-ppc-next > KVM: PPC: Book3S PR: Enable use on POWER9 inside HPT-mode guests > KVM: PPC: Book3S PR: Allow KVM_PPC_CONFIGURE_V3_MMU to succeed > KVM: PPC: Book3S HV: Factor fake-suspend handling out of kvmppc_save/restore_tm > Merge remote-tracking branch 'remotes/powerpc/topic/ppc-kvm' into kvm-ppc-next > > Simon Guo (39): > KVM: PPC: Add pt_regs into kvm_vcpu_arch and move vcpu->arch.gpr[] into it > KVM: PPC: Move nip/ctr/lr/xer registers to pt_regs in kvm_vcpu_arch > KVM: PPC: Fix a mmio_host_swabbed uninitialized usage issue > KVM: PPC: Add KVMPPC_VSX_COPY_WORD_LOAD_DUMP type support for mmio emulation > KVM: PPC: Reimplement non-SIMD LOAD/STORE instruction mmio emulation with analyse_instr() input > KVM: PPC: Add giveup_ext() hook to PPC KVM ops > KVM: PPC: Reimplement LOAD_FP/STORE_FP instruction mmio emulation with analyse_instr() input > KVM: PPC: Reimplement LOAD_VSX/STORE_VSX instruction mmio emulation with analyse_instr() input > KVM: PPC: Expand mmio_vsx_copy_type to cover VMX load/store element types > KVM: PPC: Reimplement LOAD_VMX/STORE_VMX instruction mmio emulation with analyse_instr() input > powerpc: Export msr_check_and_set() to modules > powerpc/reg: Add TEXASR related macros > powerpc: Export tm_enable()/tm_disable/tm_abort() APIs > KVM: PPC: Book3S PR: Move kvmppc_save_tm/kvmppc_restore_tm to separate file > KVM: PPC: Book3S PR: Add guest MSR parameter for kvmppc_save_tm()/kvmppc_restore_tm() > KVM: PPC: Book3S PR: Turn on FP/VSX/VMX MSR bits in kvmppc_save_tm() > KVM: PPC: Book3S PR: Add C function wrapper for _kvmppc_save/restore_tm() > KVM: PPC: Book3S PR: Transition to Suspended state when injecting interrupt > KVM: PPC: Book3S PR: Pass through MSR TM and TS bits to shadow_msr > KVM: PPC: Book3S PR: Sync TM bits to shadow msr for problem state guest > KVM: PPC: Book3S PR: Implement RFID TM behavior to suppress change from S0 to N0 > KVM: PPC: Book3S PR: Avoid changing TS bits when exiting guest > KVM: PPC: Book3S PR: Add new kvmppc_copyto/from_vcpu_tm APIs > KVM: PPC: Book3S PR: Add kvmppc_save/restore_tm_sprs() APIs > KVM: PPC: Book3S PR: Add transaction memory save/restore skeleton > KVM: PPC: Book3S PR: Add math support for PR KVM HTM > KVM: PPC: Book3S PR: Emulate mtspr/mfspr using active TM SPRs > KVM: PPC: Book3S PR: Always fail transactions in guest privileged state > KVM: PPC: Book3S PR: Restore NV regs after emulating mfspr from TM SPRs > KVM: PPC: Book3S PR: Add emulation for treclaim. > KVM: PPC: Book3S PR: Add emulation for trechkpt. > KVM: PPC: Book3S PR: Add emulation for tabort. in privileged state > KVM: PPC: Book3S PR: Add guard code to prevent returning to guest with PR=0 and Transactional state > KVM: PPC: Book3S PR: Support TAR handling for PR KVM HTM > KVM: PPC: Book3S PR: Enable HTM for PR KVM for KVM_CHECK_EXTENSION ioctl > KVM: PPC: Move vcpu_load/vcpu_put down to each ioctl case in kvm_arch_vcpu_ioctl > KVM: PPC: Remove load/put vcpu for KVM_GET/SET_ONE_REG ioctl > KVM: PPC: Book3S: Remove load/put vcpu for KVM_GET_REGS/KVM_SET_REGS > KVM: PPC: Book3S PR: Enable kvmppc_get/set_one_reg_pr() for HTM registers > > Souptick Joarder (1): > KVM: PPC: Book3S: Change return type to vm_fault_t > > arch/powerpc/include/asm/asm-prototypes.h | 9 + > .../powerpc/include/asm/book3s/64/tlbflush-radix.h | 7 + > arch/powerpc/include/asm/kvm_book3s.h | 37 +- > arch/powerpc/include/asm/kvm_book3s_64.h | 20 +- > arch/powerpc/include/asm/kvm_booke.h | 20 +- > arch/powerpc/include/asm/kvm_host.h | 21 +- > arch/powerpc/include/asm/kvm_ppc.h | 17 +- > arch/powerpc/include/asm/reg.h | 33 +- > arch/powerpc/include/asm/tm.h | 2 - > arch/powerpc/include/uapi/asm/kvm.h | 1 + > arch/powerpc/kernel/asm-offsets.c | 18 +- > arch/powerpc/kernel/kvm.c | 4 +- > arch/powerpc/kernel/process.c | 1 + > arch/powerpc/kernel/tm.S | 12 + > arch/powerpc/kvm/Makefile | 3 + > arch/powerpc/kvm/book3s.c | 10 +- > arch/powerpc/kvm/book3s.h | 6 + > arch/powerpc/kvm/book3s_32_mmu.c | 2 +- > arch/powerpc/kvm/book3s_64_mmu.c | 11 +- > arch/powerpc/kvm/book3s_64_mmu_hv.c | 3 + > arch/powerpc/kvm/book3s_64_mmu_radix.c | 378 +++++++---- > arch/powerpc/kvm/book3s_64_vio.c | 71 +- > arch/powerpc/kvm/book3s_64_vio_hv.c | 54 +- > arch/powerpc/kvm/book3s_emulate.c | 369 +++++++++- > arch/powerpc/kvm/book3s_hv.c | 97 ++- > arch/powerpc/kvm/book3s_hv_builtin.c | 21 +- > arch/powerpc/kvm/book3s_hv_interrupts.S | 2 +- > arch/powerpc/kvm/book3s_hv_rm_mmu.c | 36 +- > arch/powerpc/kvm/book3s_hv_rm_xics.c | 2 +- > arch/powerpc/kvm/book3s_hv_rmhandlers.S | 318 +++------ > arch/powerpc/kvm/book3s_hv_tm.c | 10 +- > arch/powerpc/kvm/book3s_hv_tm_builtin.c | 10 +- > arch/powerpc/kvm/book3s_pr.c | 437 ++++++++++-- > arch/powerpc/kvm/book3s_segment.S | 13 + > arch/powerpc/kvm/book3s_xive_template.c | 4 +- > arch/powerpc/kvm/booke.c | 41 +- > arch/powerpc/kvm/booke_emulate.c | 6 +- > arch/powerpc/kvm/e500_emulate.c | 6 +- > arch/powerpc/kvm/e500_mmu.c | 2 +- > arch/powerpc/kvm/e500_mmu_host.c | 8 +- > arch/powerpc/kvm/emulate_loadstore.c | 752 ++++++--------------- > arch/powerpc/kvm/powerpc.c | 311 +++++++-- > arch/powerpc/kvm/tm.S | 384 +++++++++++ > arch/powerpc/mm/hash_utils_64.c | 1 + > arch/powerpc/mm/tlb-radix.c | 207 ++++++ > arch/powerpc/platforms/powernv/copy-paste.h | 3 +- > 46 files changed, 2571 insertions(+), 1209 deletions(-) > create mode 100644 arch/powerpc/kvm/tm.S > Ouch, I missed this completely. I'll send it to Linus tomorrow. Paolo
