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RE: [Xen-ia64-devel] [PATCH] xentrace buffer alignment

from [Tian, Kevin] [Permanent Link][Original]
To: "Tian, Kevin" <kevin.tian@xxxxxxxxx>, "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxx>, "Masaki Kanno" <kanno.masaki@xxxxxxxxxxxxxx>
Subject: RE: [Xen-ia64-devel] [PATCH] xentrace buffer alignment
From: "Tian, Kevin" <kevin.tian@xxxxxxxxx>
Date: Thu, 24 Nov 2005 21:54:35 +0800
Cc: xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
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Thread-topic: [Xen-ia64-devel] [PATCH] xentrace buffer alignment 
>From: Tian, Kevin
>Sent: 2005年11月24日 21:52
>
>       So t_rec will be placed at middle of 8 bytes boundary by t_recs[i] = 
> (struct t_rec
>*)(buf + 1). Then later access to 64bit field within t_rec is unaligned access.
>

Then another way is to modify above code to let type cast upon address aligned 
to next structure (t_recs)

Thanks,
Kevin

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