linux-kernel - Re: [PATCH v2] scsi: virtio-scsi: Fix address translation failure of HighMem pages used by sg list

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Message-ID: <500FEB81.4020008@redhat.com>
Date:	Wed, 25 Jul 2012 14:50:09 +0200
From:	Paolo Bonzini <pbonzini@...hat.com>
To:	Boaz Harrosh <bharrosh@...asas.com>
CC:	Wang Sen <senwang@...ux.vnet.ibm.com>, linux-scsi@...r.kernel.org,
	JBottomley@...allels.com, stefanha@...ux.vnet.ibm.com,
	mc@...ux.vnet.ibm.com, linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Subject: Re: [PATCH v2] scsi: virtio-scsi: Fix address translation failure
 of HighMem pages used by sg list

Il 25/07/2012 14:47, Boaz Harrosh ha scritto:
> 
> NACK-by: Boaz Harrosh
> 
> 
> Apart from the HighMem pages problem, where in previous sg_set_buf()
> code was the marker copied? It was not because it is not needed because
> the allocation of sg took care of that. For example in 64bit the is no
> bugs, right?
> 
> If there was a destination sg_list termination bug, it should be fixed
> as a separate patch from this "HighMem pages problem". But I bet if
> you inspect the code carefully there isn't such a bug.

Hmm, we're talking past each other.  Let's sort it out in the v1 thread.
 Sen, please hold up the patch for a moment.

Paolo

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