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Re: [Xen-devel] [PATCH] acm: fix deadlock and bogus loop (Was Re: [Xen-c
| To: | Stefan Berger <stefanb@xxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [PATCH] acm: fix deadlock and bogus loop (Was Re: [Xen-changelog] [xen-unstable] acm: Further fixes after grant-table changes.) |
| From: | Keir Fraser <Keir.Fraser@xxxxxxxxxxxx> |
| Date: | Tue, 20 Feb 2007 22:53:05 +0000 |
| Cc: | Isaku Yamahata <yamahata@xxxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, Keir Fraser <keir@xxxxxxxxxxxxx> |
| Delivery-date: | Tue, 20 Feb 2007 14:52:22 -0800 |
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| Thread-topic: | [Xen-devel] [PATCH] acm: fix deadlock and bogus loop (Was Re: [Xen-changelog] [xen-unstable] acm: Further fixes after grant-table changes.) |
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On 20/2/07 19:00, "Stefan Berger" <stefanb@xxxxxxxxxx> wrote: I saw that sha_copy is used and a copy is being made of the shared entry. Is the copy necessary considering that there's a spinlock or could we not rather use a pointer? Why are you looking at the shared grant table at all, when it’s the active table that tells you with certainty which grant entries are in use? -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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