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Date:   Wed, 10 Jun 2020 09:14:10 +0200
From:   Christoph Hellwig <hch@lst.de>
To:     David Rientjes <rientjes@google.com>
Cc:     Christoph Hellwig <hch@lst.de>,
        "Alex Xu (Hello71)" <alex_y_xu@yahoo.ca>,
        alsa-devel@alsa-project.org, bp@alien8.de, hch@infradead.org,
        hpa@zytor.com, linux-kernel@vger.kernel.org, mingo@redhat.com,
        Pavel Machek <pavel@ucw.cz>, perex@perex.cz,
        tglx@linutronix.de, tiwai@suse.com, x86@kernel.org
Subject: Re: next-0519 on thinkpad x60: sound related? window manager crash
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References: <20200520111136.GA3802@amd> <1591545088.74ii116nf2.none@localhost> <20200608061950.GA17476@lst.de> <1591624340.z01ejtod28.none@localhost> <alpine.DEB.2.22.394.2006081928070.148886@chino.kir.corp.google.com> <20200609054306.GA9606@lst.de> <alpine.DEB.2.22.394.2006092213110.154443@chino.kir.corp.google.com>
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On Tue, Jun 09, 2020 at 10:26:45PM -0700, David Rientjes wrote:
> If this option should not implicitly be set for DMA_COHERENT_POOL, then I 
> assume we need yet another Kconfig option since DMA_REMAP selected it 
> before and DMA_COHERENT_POOL selects DMA_REMAP :)

Yes, but what do we actually need DMA_REMAP for just for the coherent
pool?  We shuldn't really remap anything for AMD-SEV.  Sorry for not
noticing this earlier.