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Re: [Qemu-devel] [PATCH v2] ps2: set ps/2 output buffer size as the same
From: |
Gonglei (Arei) |
Subject: |
Re: [Qemu-devel] [PATCH v2] ps2: set ps/2 output buffer size as the same as kernel |
Date: |
Thu, 24 Apr 2014 11:43:32 +0000 |
Hi, Gerd.
>
> > if (!(s->mouse_status & MOUSE_STATUS_REMOTE) &&
> > - (s->common.queue.count < (PS2_QUEUE_SIZE - 16))) {
> > + (s->common.queue.count < PS2_QUEUE_SIZE - 4)) {
> > for(;;) {
>
> Almost there.
>
> The check for enougth space in the queue should be for every
> ps2_mouse_send_packet() call, either by moving the check into that
> function (and change return value as discussed in the other mail), or by
> checking for each loop pass, for example by replacing the "for (;;)"
> with "while (s->common.queue.count < PS2_QUEUE_SIZE - 4)"
>
"while (s->common.queue.count < PS2_QUEUE_SIZE - 4)" looks more better IMHO.
Accepting it into v3. Thanks.
Best regards,
-Gonglei