[PATCH v4 00/23] target/arm/hvf: Consolidate

["Philippe Mathieu-Daudé" <philmd@linaro.org>]

Missing review: 8, 13, 22, 23

- Patches 1-11 fix migration on HVF
- Patches 12-14 remove a signal race with WFI
- Patches 15-18 correct guest timer frequency
- Patches 20-23 add missing VTimer synchronization

Since v3:
- Call qemu_real_host_page_mask/size once (rth)

Since v2:
- Improve host page size/mask uses (rth)
- Remove cpu_test_interrupt in hvf_wfi (rth)

Since v1:
- Addressed Mads & Richard comments
- Fixed migration by reworking memory listeners
  (unfortunately the current broken code has been
   used as base for WHPX)
- Sync CNTV_CTL/CVAL_EL0
- Remove WFI racy signal implementation
- Simplify PSCI Suspend (I expect the same can be
  done for the other hvf_psci_cpu_off() calls).
- Emulate more missing registers (PMU & Monitor Dbg)

From v1:
- Fix a pair of memory leak
- Check a pair of return values
- Mention calls which must be run on vCPU thread
- Force MIDR
- Use hv_vcpu_config_create/hv_vcpu_config_get_feature_reg
  when not running on vCPU thread
- Factor hvf_handle_vmexit() / hvf_handle_exception(() out
- Call hv_vcpu_run() in loop
- Guard hv_vcpu_run() between cpu_exec_start/end()
- Restrict ARM specific in AccelCPUState

Based-on: <20250829152909.1589668-14-pbonzini@redhat.com>

Philippe Mathieu-Daudé (14):
  target/i386/hvf: Use host page alignment in ept_emulation_fault()
  accel/hvf: Enforce host alignment in hv_vm_protect()
  accel/hvf: Skip WFI if CPU has work to do
  accel/hvf: Implement WFI without using pselect()
  accel/hvf: Have PSCI CPU_SUSPEND halt the vCPU
  accel: Introduce AccelOpsClass::cpu_target_realize() hook
  accel/hvf: Add hvf_arch_cpu_realize() stubs
  target/arm: Create GTimers *after* features finalized / accel realized
  target/arm/hvf: Really set Generic Timer counter frequency
  target/arm: Only allow disabling NEON when using TCG
  accel/hvf: Introduce hvf_arch_cpu_synchronize_[pre/post]exec() hooks
  target/i386/hvf: Flush vCPU registers once before vcpu_exec() loop
  target/arm/hvf: Flush vCPU registers once before vcpu_exec() loop
  accel/hvf: Sync CNTV_CTL_EL0 & CNTV_CVAL_EL0

Richard Henderson (9):
  accel/hvf: Create hvf_protect_clean_range, hvf_unprotect_dirty_range
  target/i386/hvf: Use hvf_unprotect_dirty_range
  target/i386/hvf: Use address_space_translate in ept_emulation_fault
  accel/hvf: Simplify hvf_log_*
  accel/hvf: Move hvf_log_sync to hvf_log_clear
  accel/hvf: Simplify hvf_set_phys_mem
  accel/hvf: Drop hvf_slot and hvf_find_overlap_slot
  accel/hvf: Remove mac_slots
  target/arm/hvf: Implement dirty page tracking

 include/accel/accel-cpu-ops.h |   1 +
 include/system/hvf_int.h      |  26 ++--
 accel/accel-common.c          |   5 +
 accel/hvf/hvf-accel-ops.c     |  21 +---
 accel/hvf/hvf-all.c           | 186 +++++++++--------------------
 target/arm/cpu.c              |  67 +++++------
 target/arm/hvf/hvf.c          | 217 ++++++++++++++++++++--------------
 target/i386/hvf/hvf.c         |  61 ++++++----
 accel/hvf/trace-events        |   1 +
 9 files changed, 274 insertions(+), 311 deletions(-)

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2.51.0