[Qemu-devel] Re: [PATCH] [RESEND] Make char muxer more robust wrt small FIFOs

[Jan Kiszka]

Jan Kiszka wrote:
> Alex, does this help as well?
> 
> diff --git a/qemu-char.c b/qemu-char.c
> index ac65a1c..2b115a4 100644
> --- a/qemu-char.c
> +++ b/qemu-char.c
> @@ -404,6 +404,8 @@ static int mux_chr_can_read(void *opaque)
>      MuxDriver *d = chr->opaque;
>      int m = d->focus;
>  
> +    mux_chr_accept_input(opaque);
> +
>      if ((d->prod[m] - d->cons[m]) < MUX_BUFFER_SIZE)
>          return 1;
>      if (d->chr_can_read[m])
> @@ -418,8 +420,6 @@ static void mux_chr_read(void *opaque, const uint8_t 
> *buf, int size)
>      int m = d->focus;
>      int i;
>  
> -    mux_chr_accept_input (opaque);
> -
>      for(i = 0; i < size; i++)
>          if (mux_proc_byte(chr, d, buf[i])) {
>              if (d->prod[m] == d->cons[m] &&
> 
> 
> I'm trying to reproduce in parallel.

Works for me. Will post as proper patch later.

Jan

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