Merge tag 'hw-cpus-20240119' of https://github.com/philmd/qemu into staging

HW core patch queue

. Deprecate unmaintained SH-4 models (Samuel)
. HPET: Convert DPRINTF calls to trace events (Daniel)
. Implement buffered block writes in Intel PFlash (Gerd)
. Ignore ELF loadable segments with zero size (Bin)
. ESP/NCR53C9x: PCI DMA fixes (Mark)
. PIIX: Simplify Xen PCI IRQ routing (Bernhard)
. Restrict CPU 'start-powered-off' property to sysemu (Phil)

. target/alpha: Only build sys_helper.c on system emulation (Phil)
. target/xtensa: Use generic instruction breakpoint API & add test (Max)
. Restrict icount to system emulation (Phil)
. Do not set CPUState TCG-specific flags in non-TCG accels (Phil)
. Cleanup TCG tb_invalidate API (Phil)
. Correct LoongArch/KVM include path (Bibo)
. Do not ignore throttle errors in crypto backends (Phil)

. MAINTAINERS updates (Raphael, Zhao)

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* tag 'hw-cpus-20240119' of https://github.com/philmd/qemu: (36 commits)
  configure: Add linux header compile support for LoongArch
  MAINTAINERS: Update hw/core/cpu.c entry
  MAINTAINERS: Update Raphael Norwitz email
  hw/elf_ops: Ignore loadable segments with zero size
  hw/scsi/esp-pci: set DMA_STAT_BCMBLT when BLAST command issued
  hw/scsi/esp-pci: synchronise setting of DMA_STAT_DONE with ESP completion interrupt
  hw/scsi/esp-pci: generate PCI interrupt from separate ESP and PCI sources
  hw/scsi/esp-pci: use correct address register for PCI DMA transfers
  target/riscv: Rename tcg_cpu_FOO() to include 'riscv'
  target/i386: Rename tcg_cpu_FOO() to include 'x86'
  hw/s390x: Rename cpu_class_init() to include 'sclp'
  hw/core/cpu: Rename cpu_class_init() to include 'common'
  accel: Rename accel_init_ops_interfaces() to include 'system'
  cpus: Restrict 'start-powered-off' property to system emulation
  system/watchpoint: Move TCG specific code to accel/tcg/
  system/replay: Restrict icount to system emulation
  hw/pflash: implement update buffer for block writes
  hw/pflash: use ldn_{be,le}_p and stn_{be,le}_p
  hw/pflash: refactor pflash_data_write()
  hw/i386/pc_piix: Make piix_intx_routing_notifier_xen() more device independent
  ...

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

1 files changed, 9 insertions, 7 deletions

diff --git a/util/async.c b/util/async.c
index 36a8e76..0467890 100644
--- a/util/async.c
+++ b/util/async.c
@@ -94,13 +94,15 @@ static void aio_bh_enqueue(QEMUBH *bh, unsigned new_flags)
     }
 
     aio_notify(ctx);
-    /*
-     * Workaround for record/replay.
-     * vCPU execution should be suspended when new BH is set.
-     * This is needed to avoid guest timeouts caused
-     * by the long cycles of the execution.
-     */
-    icount_notify_exit();
+    if (unlikely(icount_enabled())) {
+        /*
+         * Workaround for record/replay.
+         * vCPU execution should be suspended when new BH is set.
+         * This is needed to avoid guest timeouts caused
+         * by the long cycles of the execution.
+         */
+        icount_notify_exit();
+    }
 }
 
 /* Only called from aio_bh_poll() and aio_ctx_finalize() */