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[Xen-devel] Re: [Qemu-devel] [PATCH 4/7] xen: add framebuffer backend dr

To: Blue Swirl <blauwirbel@xxxxxxxxx>
Subject: [Xen-devel] Re: [Qemu-devel] [PATCH 4/7] xen: add framebuffer backend driver
From: Gerd Hoffmann <kraxel@xxxxxxxxxx>
Date: 2008年8月04日 20:20:25 +0200
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Blue Swirl wrote:
> On 8/4/08, Gerd Hoffmann <kraxel@xxxxxxxxxx> wrote:
>> +const unsigned char atkbd_set2_keycode[512] = {
>
> Missing "static"?
Yep, I'll fix it up.
>> + for (i = 0; i < 128; i++) {
>> + scancode2linux[i] = atkbd_set2_keycode[atkbd_unxlate_table[i]];
>> + scancode2linux[i | 0x80] =
>> + atkbd_set2_keycode[atkbd_unxlate_table[i] | 0x80];
>> + }
>
> Can't these table be calculated so that this initial run-time lookup
> is not needed?
Should be doable, yes.
> The framebuffer does not use dirty memory detection. Is this
> intentional? I understand that in Xen that's not possible.
The guest frontend driver does that and sends the info to the backend
driver (XENFB_TYPE_UPDATE messages).
cheers,
 Gerd
-- 
http://kraxel.fedorapeople.org/xenner/
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