linux-kernel - Re: [PATCH 0/5] iommu/arm-smmu-v3: make smmu can be enabled in kdump kernel

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Wed, 27 Feb 2019 11:25:43 +0800
From:   "Leizhen (ThunderTown)" <thunder.leizhen@...wei.com>
To:     Jean-Philippe Brucker <jean-philippe.brucker@....com>,
        Robin Murphy <robin.murphy@....com>,
        Will Deacon <will.deacon@....com>,
        Joerg Roedel <joro@...tes.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        iommu <iommu@...ts.linux-foundation.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 0/5] iommu/arm-smmu-v3: make smmu can be enabled in kdump
 kernel

Hi Will, Robin:
   Do you have time to review these patches? Hope you can give me some opinions.


On 2019/2/19 15:54, Zhen Lei wrote:
> This patch series include two parts:
> 1. Patch1-2 use dummy STE tables with "ste abort" hardware feature to abort unexpected
>    devices accessing. For more details, see the description in patch 2.
> 2. If the "ste abort" feature is not support, force the unexpected devices in the
>    secondary kernel to use the memory maps which it used in the first kernel. For more
>    details, see patch 5.
> 
> 
> Zhen Lei (5):
>   iommu/arm-smmu-v3: make sure the stale caching of L1STD are invalid
>   iommu/arm-smmu-v3: make smmu can be enabled in kdump kernel
>   iommu/arm-smmu-v3: add macro xxx_SIZE to replace xxx_DWORDS shift
>   iommu/arm-smmu-v3: move arm_smmu_get_step_for_sid() a little ahead
>   iommu/arm-smmu-v3: workaround for STE abort in kdump kernel
> 
>  drivers/iommu/arm-smmu-v3.c | 243 +++++++++++++++++++++++++++++++++++---------
>  1 file changed, 194 insertions(+), 49 deletions(-)
> 

-- 
Thanks!
BestRegards