Re: [PATCH V3 6/8] arm: dma-mapping: Reset the device's dma_ops

2017-05-25 Thread Sricharan R
Hi Russell, On 5/25/2017 8:35 PM, Russell King - ARM Linux wrote: > On Wed, May 24, 2017 at 02:26:13PM +0300, Laurent Pinchart wrote: >> Again, the patch I propose is the simplest v4.12-rc fix I can think of, >> short >> of reverting your complete IOMMU probe deferral patch series. Let's focus

Re: [PATCH v5 31/32] x86: Add sysfs support for Secure Memory Encryption

2017-05-25 Thread Xunlei Pang
On 05/26/2017 at 10:49 AM, Dave Young wrote: > Ccing Xunlei he is reading the patches see what need to be done for > kdump. There should still be several places to handle to make kdump work. > > On 05/18/17 at 07:01pm, Borislav Petkov wrote: >> On Tue, Apr 18, 2017 at 04:22:12PM -0500, Tom

Re: [PATCH v5 28/32] x86/mm, kexec: Allow kexec to be used with SME

2017-05-25 Thread Xunlei Pang
On 04/19/2017 at 05:21 AM, Tom Lendacky wrote: > Provide support so that kexec can be used to boot a kernel when SME is > enabled. > > Support is needed to allocate pages for kexec without encryption. This > is needed in order to be able to reboot in the kernel in the same manner > as originally

Re: [PATCH v5 31/32] x86: Add sysfs support for Secure Memory Encryption

2017-05-25 Thread Dave Young
Ccing Xunlei he is reading the patches see what need to be done for kdump. There should still be several places to handle to make kdump work. On 05/18/17 at 07:01pm, Borislav Petkov wrote: > On Tue, Apr 18, 2017 at 04:22:12PM -0500, Tom Lendacky wrote: > > Add sysfs support for SME so that

Re: [PATCH v5 29/32] x86/mm: Add support to encrypt the kernel in-place

2017-05-25 Thread Tom Lendacky
On 5/18/2017 7:46 AM, Borislav Petkov wrote: On Tue, Apr 18, 2017 at 04:21:49PM -0500, Tom Lendacky wrote: Add the support to encrypt the kernel in-place. This is done by creating new page mappings for the kernel - a decrypted write-protected mapping and an encrypted mapping. The kernel is

Re: [RFC PATCH 04/30] iommu/arm-smmu-v3: Add support for PCI ATS

2017-05-25 Thread Roy Franz (Cavium)
On Tue, May 23, 2017 at 4:21 AM, Jean-Philippe Brucker wrote: > On 23/05/17 09:41, Leizhen (ThunderTown) wrote: >> On 2017/2/28 3:54, Jean-Philippe Brucker wrote: >>> PCIe devices can implement their own TLB, named Address Translation Cache >>> (ATC). Steps involved

[PATCH 3/4] iommu: add qcom_iommu

2017-05-25 Thread Rob Clark
An iommu driver for Qualcomm "B" family devices which do not completely implement the ARM SMMU spec. These devices have context-bank register layout that is similar to ARM SMMU, but no global register space (or at least not one that is accessible). Signed-off-by: Rob Clark

[PATCH 2/4] iommu: arm-smmu: split out register defines

2017-05-25 Thread Rob Clark
I want to re-use some of these for qcom_iommu, which has (roughly) the same context-bank registers. Signed-off-by: Rob Clark --- drivers/iommu/arm-smmu-regs.h | 227 ++ drivers/iommu/arm-smmu.c | 203

[PATCH 4/4] iommu: qcom: initialize secure page table

2017-05-25 Thread Rob Clark
From: Stanimir Varbanov This basically gets the secure page table size, allocates memory for secure pagetables and passes the physical address to the trusted zone. Signed-off-by: Stanimir Varbanov Signed-off-by: Rob Clark

[PATCH 1/4] Docs: dt: document qcom iommu bindings

2017-05-25 Thread Rob Clark
Cc: devicet...@vger.kernel.org Signed-off-by: Rob Clark Reviewed-by: Rob Herring --- .../devicetree/bindings/iommu/qcom,iommu.txt | 121 + 1 file changed, 121 insertions(+) create mode 100644

[PATCH 0/4] iommu: add qcom_iommu for early "B" family devices

2017-05-25 Thread Rob Clark
An iommu driver for Qualcomm "B" family devices which do not completely implement the ARM SMMU spec. These devices have context-bank register layout that is similar to ARM SMMU, but no global register space (or at least not one that is accessible). A couple more minor changes in 3/4, and dt

Re: [PATCH V3 6/8] arm: dma-mapping: Reset the device's dma_ops

2017-05-25 Thread Russell King - ARM Linux
On Wed, May 24, 2017 at 02:26:13PM +0300, Laurent Pinchart wrote: > Again, the patch I propose is the simplest v4.12-rc fix I can think of, short > of reverting your complete IOMMU probe deferral patch series. Let's focus on > the v4.12-rc fix, and then discuss how to move forward in v4.13 and

Re: [PATCH 1/2] PCI: Save properties required to handle FLR for replay purposes.

2017-05-25 Thread Raj, Ashok
Hi Jean On Thu, May 11, 2017 at 11:50:24AM +0100, Jean-Philippe Brucker wrote: > Hi, > > On 10/05/17 19:39, Ashok Raj wrote: > > From: CQ Tang > > > > Requires: https://patchwork.kernel.org/patch/9593891 > > Since your series is likely to go in much earlier than my SVM

RE: [PATCH 1/2] staging: fsl-dpaa2/eth: Fix address translations

2017-05-25 Thread Ruxandra Ioana Radulescu
> -Original Message- > From: Laurentiu Tudor > Sent: Wednesday, May 24, 2017 3:34 PM > To: Ruxandra Ioana Radulescu ; > gre...@linuxfoundation.org > Cc: de...@driverdev.osuosl.org; linux-ker...@vger.kernel.org; > ag...@suse.de; a...@arndb.de;

Re: [Qemu-devel] [RFC PATCH 1/8] iommu: Introduce bind_pasid_table API function

2017-05-25 Thread Jean-Philippe Brucker
On 23/05/17 08:50, Liu, Yi L wrote: > On Fri, Apr 28, 2017 at 01:51:42PM +0100, Jean-Philippe Brucker wrote: [...] For the next version of my SVM series, I was thinking of passing group instead of device to iommu_bind. Since all devices in a group are expected to share the same