Merge tag 'pull-tcg-20240130' of https://gitlab.com/rth7680/qemu into staging

linux-user: Allow gdbstub to ignore page protection
cpu-exec: simplify jump cache management
include/exec: Cleanups toward building accel/tcg once

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* tag 'pull-tcg-20240130' of https://gitlab.com/rth7680/qemu: (31 commits)
  target/i386: Extract x86_cpu_exec_halt() from accel/tcg/
  accel/tcg: Introduce TCGCPUOps::cpu_exec_halt() handler
  accel/tcg: Inline need_replay_interrupt
  target/i386: Extract x86_need_replay_interrupt() from accel/tcg/
  accel/tcg: Introduce TCGCPUOps::need_replay_interrupt() handler
  accel/tcg: Use CPUState.cc instead of CPU_GET_CLASS in cpu-exec.c
  target/loongarch: Constify loongarch_tcg_ops
  include/qemu: Add TCGCPUOps typedef to typedefs.h
  accel/tcg: Un-inline icount_exit_request() for clarity
  accel/tcg: Rename tcg_cpus_exec() -> tcg_cpu_exec()
  accel/tcg: Rename tcg_cpus_destroy() -> tcg_cpu_destroy()
  accel/tcg: Rename tcg_ss[] -> tcg_specific_ss[] in meson
  accel/tcg: Move perf and debuginfo support to tcg/
  accel/tcg: Remove #ifdef TARGET_I386 from perf.c
  tcg: Make tb_cflags() usable from target-agnostic code
  accel/tcg: Make use of qemu_target_page_mask() in perf.c
  target: Make qemu_target_page_mask() available for *-user
  accel/tcg/cpu-exec: Use RCU_READ_LOCK_GUARD
  tests/tcg: Add the PROT_NONE gdbstub test
  tests/tcg: Factor out gdbstub test functions
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>