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2021-06-11Add the function of colo_compare_cleanupRao, Lei1-0/+1
This patch fixes the following: #0 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50 #1 0x00007f6ae4559859 in __GI_abort () at abort.c:79 #2 0x0000559aaa386720 in error_exit (err=16, msg=0x559aaa5973d0 <__func__.16227> "qemu_mutex_destroy") at util/qemu-thread-posix.c:36 #3 0x0000559aaa3868c5 in qemu_mutex_destroy (mutex=0x559aabffe828) at util/qemu-thread-posix.c:69 #4 0x0000559aaa2f93a8 in char_finalize (obj=0x559aabffe800) at chardev/char.c:285 #5 0x0000559aaa23318a in object_deinit (obj=0x559aabffe800, type=0x559aabfd7d20) at qom/object.c:606 #6 0x0000559aaa2331b8 in object_deinit (obj=0x559aabffe800, type=0x559aabfd9060) at qom/object.c:610 #7 0x0000559aaa233200 in object_finalize (data=0x559aabffe800) at qom/object.c:620 #8 0x0000559aaa234202 in object_unref (obj=0x559aabffe800) at qom/object.c:1074 #9 0x0000559aaa2356b6 in object_finalize_child_property (obj=0x559aac0dac10, name=0x559aac778760 "compare0-0", opaque=0x559aabffe800) at qom/object.c:1584 #10 0x0000559aaa232f70 in object_property_del_all (obj=0x559aac0dac10) at qom/object.c:557 #11 0x0000559aaa2331ed in object_finalize (data=0x559aac0dac10) at qom/object.c:619 #12 0x0000559aaa234202 in object_unref (obj=0x559aac0dac10) at qom/object.c:1074 #13 0x0000559aaa2356b6 in object_finalize_child_property (obj=0x559aac0c75c0, name=0x559aac0dadc0 "chardevs", opaque=0x559aac0dac10) at qom/object.c:1584 #14 0x0000559aaa233071 in object_property_del_child (obj=0x559aac0c75c0, child=0x559aac0dac10, errp=0x0) at qom/object.c:580 #15 0x0000559aaa233155 in object_unparent (obj=0x559aac0dac10) at qom/object.c:599 #16 0x0000559aaa2fb721 in qemu_chr_cleanup () at chardev/char.c:1159 #17 0x0000559aa9f9b110 in main (argc=54, argv=0x7ffeb62fa998, envp=0x7ffeb62fab50) at vl.c:4539 When chardev is cleaned up, chr_write_lock needs to be destroyed. But the colo-compare module is not cleaned up normally before it when the guest poweroff. It is holding chr_write_lock at this time. This will cause qemu crash.So we add the function of colo_compare_cleanup() before qemu_chr_cleanup() to fix the bug. Signed-off-by: Lei Rao <lei.rao@intel.com> Reviewed-by: Zhang Chen <chen.zhang@intel.com> Reviewed-by: Lukas Straub <lukasstraub2@web.de> Tested-by: Lukas Straub <lukasstraub2@web.de> Signed-off-by: Zhang Chen <chen.zhang@intel.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
2018-10-19colo-compare: use notifier to notify packets comparing resultZhang Chen1-0/+2
It's a good idea to use notifier to notify COLO frame of inconsistent packets comparing. Signed-off-by: Zhang Chen <zhangckid@gmail.com> Signed-off-by: Zhang Chen <chen.zhang@intel.com> Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
2018-10-19colo-compare: implement the process of checkpointZhang Chen1-0/+22
While do checkpoint, we need to flush all the unhandled packets, By using the filter notifier mechanism, we can easily to notify every compare object to do this process, which runs inside of compare threads as a coroutine. Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com> Signed-off-by: Zhang Chen <zhangckid@gmail.com> Signed-off-by: Zhang Chen <chen.zhang@intel.com> Signed-off-by: Jason Wang <jasowang@redhat.com>