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From: | H. Peter Anvin |
Subject: | Re: [Qemu-devel] Re: 2.6.24 says "serial8250: too much work for irq4" a lot. |
Date: | Sat, 09 Feb 2008 13:36:05 -0800 |
User-agent: | Thunderbird 2.0.0.9 (X11/20071115) |
Blue Swirl wrote:
If you look at the patch, there are no timing dependencies; the only parameter is the depth of the virtual queue. The exhaustion is completely controlled by target OS access patterns.Thanks, this clarified the difference. But I'll rephrase my original comment: The patch looks OK, but the simulated FIFO exhaustion should benefit all devices, as discussed here: http://lists.gnu.org/archive/html/qemu-devel/2007-12/msg00283.html
The difference is you *can't* do that in a general layer. -hpa
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