Hi Richard/Peter, This is a mostly ARM focused update to last weeks v9.
It has necessitated one change to the cputlb API. It was pointed out that translators often have to special case a bunch of things if you longjmp() out of a helper. As a result the cputlb _synched() calls are no longer QEMU_NORETURN but do document the importance of the guest to exit the block as soon as synchronisation is required. In ARM's case this is already done as the TLB flushes are treated as CP write operation which ends the block by default. This means I was able to drop the two patches that dealt with ARM_CP_PC, simplifying the code. The other moderate change was fixing up target-arm/powerctl to properly model the ON_PENDING powerstate which is key to vCPUs handling otherwise race-prone start-up sequences. The power off and reset methods where also updated to update the CPUState structures in the targets context. Otherwise there is the usual array of review tags and a few minor fixes documented as normal bellow the --- line. A version of the tree can be found at: https://github.com/stsquad/qemu/tree/mttcg/base-patches-v10 Cheers, Alex Alex Bennée (17): docs: new design document multi-thread-tcg.txt tcg: move TCG_MO/BAR types into own file tcg: add kick timer for single-threaded vCPU emulation tcg: rename tcg_current_cpu to tcg_current_rr_cpu tcg: remove global exit_request tcg: enable tb_lock() for SoftMMU tcg: enable thread-per-vCPU cputlb: add assert_cpu_is_self checks cputlb: tweak qemu_ram_addr_from_host_nofail reporting cputlb and arm/sparc targets: convert mmuidx flushes from varg to bitmap cputlb: add tlb_flush_by_mmuidx async routines cputlb: atomically update tlb fields used by tlb_reset_dirty cputlb: introduce tlb_flush_*_all_cpus[_synced] target-arm/powerctl: defer cpu reset work to CPU context target-arm: don't generate WFE/YIELD calls for MTTCG target-arm: ensure all cross vCPUs TLB flushes complete tcg: enable MTTCG by default for ARM on x86 hosts Jan Kiszka (1): tcg: drop global lock during TCG code execution KONRAD Frederic (2): tcg: add options for enabling MTTCG cputlb: introduce tlb_flush_* async work. Pranith Kumar (3): mttcg: translate-all: Enable locking debug in a debug build mttcg: Add missing tb_lock/unlock() in cpu_exec_step() tcg: handle EXCP_ATOMIC exception for system emulation configure | 6 + cpu-exec-common.c | 3 - cpu-exec.c | 41 ++-- cpus.c | 343 ++++++++++++++++++++++++++------- cputlb.c | 463 +++++++++++++++++++++++++++++++++++++-------- docs/multi-thread-tcg.txt | 350 ++++++++++++++++++++++++++++++++++ exec.c | 12 +- hw/core/irq.c | 1 + hw/i386/kvmvapic.c | 4 +- hw/intc/arm_gicv3_cpuif.c | 3 + hw/ppc/ppc.c | 16 +- hw/ppc/spapr.c | 3 + include/exec/cputlb.h | 2 - include/exec/exec-all.h | 132 +++++++++++-- include/qom/cpu.h | 16 ++ include/sysemu/cpus.h | 2 + memory.c | 2 + qemu-options.hx | 20 ++ qom/cpu.c | 10 + target/arm/arm-powerctl.c | 192 ++++++++++++------- target/arm/arm-powerctl.h | 2 + target/arm/cpu.h | 13 +- target/arm/helper.c | 219 ++++++++++----------- target/arm/op_helper.c | 50 ++++- target/arm/translate-a64.c | 8 +- target/arm/translate.c | 20 +- target/i386/smm_helper.c | 7 + target/s390x/misc_helper.c | 5 +- target/sparc/ldst_helper.c | 8 +- tcg/i386/tcg-target.h | 11 ++ tcg/tcg-mo.h | 48 +++++ tcg/tcg.h | 27 +-- translate-all.c | 66 ++----- translate-common.c | 21 +- vl.c | 49 ++++- 35 files changed, 1730 insertions(+), 445 deletions(-) create mode 100644 docs/multi-thread-tcg.txt create mode 100644 tcg/tcg-mo.h -- 2.11.0
