From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from 8bytes.org ([81.169.241.247]:39620 "EHLO theia.8bytes.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751054AbdCVOus (ORCPT ); Wed, 22 Mar 2017 10:50:48 -0400 Date: Wed, 22 Mar 2017 15:51:28 +0100 From: Joerg Roedel To: Marek Szyprowski Cc: iommu@lists.linux-foundation.org, linux-samsung-soc@vger.kernel.org, Krzysztof Kozlowski , Andrzej Hajda , Bartlomiej Zolnierkiewicz , stable@vger.kernel.org Subject: Re: [PATCH 1/2] iommu/exynos: Block SYSMMU while invalidating FLPD cache Message-ID: <20170322145128.GB7315@8bytes.org> References: <1490001484-18890-1-git-send-email-m.szyprowski@samsung.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1490001484-18890-1-git-send-email-m.szyprowski@samsung.com> Sender: stable-owner@vger.kernel.org List-ID: On Mon, Mar 20, 2017 at 10:17:56AM +0100, Marek Szyprowski wrote: > Documentation specifies that SYSMMU should be in blocked state while > performing TLB/FLPD cache invalidation, so add needed calls to > sysmmu_block/unblock. > > Fixes: 66a7ed84b345d ("iommu/exynos: Apply workaround of caching fault page table entries") > CC: stable@vger.kernel.org # v4.10+ > Signed-off-by: Marek Szyprowski > --- > This issue has been introduced long time ago, but this fix applies only for > v4.10+ kernels due to other changes in the surrounding code. > --- > drivers/iommu/exynos-iommu.c | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) Applied both patches to iommu/fixes, thanks.