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Re: [Xen-devel] [PATCH][RFC] correction trouble of short message in UDP
| To: | Keir Fraser <keir@xxxxxxxxxxxxx>, Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [PATCH][RFC] correction trouble of short message in UDP |
| From: | Keir Fraser <keir@xxxxxxxxxxxxx> |
| Date: | Thu, 25 Jan 2007 14:06:18 +0000 |
| Cc: | t.horikoshi@xxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxx, xen-ia64-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Thu, 25 Jan 2007 06:08:00 -0800 |
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| Thread-index: | AcdAiZD0z3KIeax8EduKvwAX8io7RQAAGqxN |
| Thread-topic: | [Xen-devel] [PATCH][RFC] correction trouble of short message in UDP |
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On 25/1/07 14:03, "Keir Fraser" <keir@xxxxxxxxxxxxx> wrote: >> How about making the total number of grant table entries equal the >> number of TX slots? That way we won't have to check anything at all. >> >> It also doesn't make sense to have more TX slots than grant table entries. > > Yes, this is a good idea! > > So we should replace current netfront_tx_slot_available implementation with: > (tx->req_prod_pvt - tx->rsp_cons) < (TX_MAX_TARGET - MAX_SKB_FRAGS - 2) > > ?? Sorry, what I'm suggesting actually isn't the same as your proposal. :-) I think mine would work though, and 256 grants should be plenty as a maximum. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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