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authorPavel Dovgalyuk <pavel.dovgalyuk@ispras.ru>2022-05-27 13:46:13 +0300
committerPaolo Bonzini <pbonzini@redhat.com>2022-06-06 09:26:53 +0200
commit75bbe5e5ec2867f098a31bfd553a1fb084289cc2 (patch)
tree895f50a89f5f2505921e4d5d4b763527c643f0fb /include/sysemu/cpu-timers.h
parentc4b8ffcbb8531206e12cf3ad92fa90f7c80ed464 (diff)
replay: notify vCPU when BH is scheduled
vCPU execution should be suspended when new BH is scheduled. This is needed to avoid guest timeouts caused by the long cycles of the execution. In replay mode execution may hang when vCPU sleeps and block event comes to the queue. This patch adds notification which wakes up vCPU or interrupts execution of guest code. Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgalyuk@ispras.ru> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> -- v2: changed first_cpu to current_cpu (suggested by Richard Henderson) v4: moved vCPU notification to aio_bh_enqueue (suggested by Paolo Bonzini) Message-Id: <165364837317.688121.17680519919871405281.stgit@pasha-ThinkPad-X280> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'include/sysemu/cpu-timers.h')
-rw-r--r--include/sysemu/cpu-timers.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/sysemu/cpu-timers.h b/include/sysemu/cpu-timers.h
index ed6ee5c46c..2e786fe7fb 100644
--- a/include/sysemu/cpu-timers.h
+++ b/include/sysemu/cpu-timers.h
@@ -59,6 +59,7 @@ int64_t icount_round(int64_t count);
/* if the CPUs are idle, start accounting real time to virtual clock. */
void icount_start_warp_timer(void);
void icount_account_warp_timer(void);
+void icount_notify_exit(void);
/*
* CPU Ticks and Clock