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Re: [Xen-devel] [PATCH 2 of 2] Add a hypercall to allow HVM PV drivers t

To: "Tim Deegan" <Tim.Deegan@xxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH 2 of 2] Add a hypercall to allow HVM PV drivers to insert xentrace records
From: "Jan Beulich" <JBeulich@xxxxxxxxxx>
Date: Fri, 09 Jul 2010 15:44:20 +0100
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>>> On 09.07.10 at 15:30, Tim Deegan <Tim.Deegan@xxxxxxxxxx> wrote:
>+        if ( tr.extra_bytes > 28 || tr.event >= 0x1000 )

Couldn't you use TRACE_EXTRA_MAX * sizeof(u32) instead of the
literal 28?

The literal 0x1000 also doesn't look nice - I'm no sure though
whether this really is (1 << TRC_SUBCLS_SHIFT).

Jan


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