From: Thiago Jung Bauermann <bauerman@linux.ibm.com>
To: Joerg Roedel <joro@8bytes.org>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>, "Lendacky\,
Thomas" <Thomas.Lendacky@amd.com>,
Michael Ellerman <mpe@ellerman.id.au>,
Linux Next Mailing List <linux-next@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] iommu: Don't use sme_active() in generic code
Date: Tue, 03 Sep 2019 13:03:21 -0300 [thread overview]
Message-ID: <87mufll646.fsf@morokweng.localdomain> (raw)
In-Reply-To: <20190903132038.GE11530@8bytes.org>
Joerg Roedel <joro@8bytes.org> writes:
> On Tue, Sep 03, 2019 at 03:28:49PM +1000, Stephen Rothwell wrote:
>> Hi all,
>>
>> On Mon, 2 Sep 2019 14:26:40 +0000 "Lendacky, Thomas" <Thomas.Lendacky@amd.com> wrote:
>> > Maybe we should make this mem_encrypt_active(), since this will probably
>> > be needed if/when an IOMMU device is eventually added to a guest, and the
>> > referenced commit below doesn't remove that call.
>>
>> I have done that for today:
>
> Thanks Stephen and Tom. I queued the attached patch into the iommu tree
> to fix the problem.
>
> From 2896ba40d0becdb72b45f096cad70633abc014f6 Mon Sep 17 00:00:00 2001
> From: Joerg Roedel <jroedel@suse.de>
> Date: Tue, 3 Sep 2019 15:15:44 +0200
> Subject: [PATCH] iommu: Don't use sme_active() in generic code
>
> Switch to the generic function mem_encrypt_active() because
> sme_active() is x86 specific and can't be called from
> generic code on other platforms than x86.
>
> Fixes: 2cc13bb4f59f ("iommu: Disable passthrough mode when SME is active")
> Signed-off-by: Joerg Roedel <jroedel@suse.de>
Thank you!
--
Thiago Jung Bauermann
IBM Linux Technology Center
prev parent reply other threads:[~2019-09-03 16:03 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-02 6:39 linux-next: build failure after merge of the iommu tree Stephen Rothwell
2019-09-02 14:03 ` Joerg Roedel
2019-09-02 14:26 ` Lendacky, Thomas
2019-09-03 5:28 ` Stephen Rothwell
2019-09-03 13:20 ` [PATCH] iommu: Don't use sme_active() in generic code Joerg Roedel
2019-09-03 16:03 ` Thiago Jung Bauermann [this message]
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