• Paolo Bonzini's avatar
    fix 100% cpu utilization when cpu is stopped · 55274a30
    Paolo Bonzini authored
    > Hello,
    >
    > d6f4ade2 (disentangle tcg and deadline calculation, 2010-03-10)
    > introduces following regression(s):
    >
    > 100% cpu utilization when QEMU is invoked like:
    > qemu -S -s ...
    >
    > ditto when gdb takes control over the session via gdb-stub
    > (i.e. the breakpoint is hit or C-c is pressed inside gdb to
    >   interrupt the attached qemu instance)
    
    The bug is that env->stopped is not really as comprehensive as it seems to
    be (and cpu_has_work thinks); it is only valid with iothread basically,
    and even then it is cleared by reset and it is not set when starting
    qemu with -S.
    Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
    Cc: malc <av1474@comtv.ru>
    Signed-off-by: default avatarmalc <av1474@comtv.ru>
    55274a30
cpus.c 17.5 KB