Re: [PATCH v10 0/10] iommu/vt-d: Fix intel vt-d faults in kdump kernel

2015-04-14 Thread Dave Young
On 04/15/15 at 01:47pm, Li, ZhenHua wrote: > On 04/15/2015 08:57 AM, Dave Young wrote: > >Again, I think it is bad to use old page table, below issues need consider: > >1) make sure old page table are reliable across crash > >2) do not allow writing oldmem after crash > > > >Please correct me if I'

Re: [PATCH v10 0/10] iommu/vt-d: Fix intel vt-d faults in kdump kernel

2015-04-14 Thread Li, ZhenHua
On 04/15/2015 08:57 AM, Dave Young wrote: Again, I think it is bad to use old page table, below issues need consider: 1) make sure old page table are reliable across crash 2) do not allow writing oldmem after crash Please correct me if I'm wrong, or if above is not doable I think I will vote fo

Re: [PATCH 2/5] iommu/mediatek: Add mt8173 IOMMU driver

2015-04-14 Thread Tomasz Figa
On Tue, Apr 14, 2015 at 3:31 PM, Yong Wu wrote: >> >> >> >> > + >> >> > + piommu->protect_va = devm_kmalloc(piommu->dev, >> >> > MTK_PROTECT_PA_ALIGN*2, >> >> >> >> style: Operators like * should have space on both sides. >> >> >> >> > + GFP_KERNEL);

Re: [PATCH v10 0/10] iommu/vt-d: Fix intel vt-d faults in kdump kernel

2015-04-14 Thread Dave Young
On 04/10/15 at 04:42pm, Li, Zhen-Hua wrote: > This patchset is an update of Bill Sumner's patchset, implements a fix for: > If a kernel boots with intel_iommu=on on a system that supports intel vt-d, > when a panic happens, the kdump kernel will boot with these faults: > > dmar: DRHD: handlin

Re: [PATCH 3/5] dt-bindings: mediatek: Add smi dts binding

2015-04-14 Thread Yong Wu
Hi Mark, On Tue, 2015-04-14 at 11:06 +0100, Mark Rutland wrote: > On Tue, Apr 14, 2015 at 10:07:54AM +0100, Yong Wu wrote: > > Hi Mark, > > Thanks very much for review. > > About the clock name should be the PoV of _this_ device. Could you > > help check below? > > > > On Fri, 2015-03-06

Re: [PATCH 3/5] dt-bindings: mediatek: Add smi dts binding

2015-04-14 Thread Mark Rutland
> > > smi_common:smi@14022000 { > > > compatible = “mediate, mt8173-smi”; > > > reg = <0 0x14022000 0 0x1000>; > > > clocks = <&mmsys MM_SMI_COMMON>; > > > clocks-names = “smi_common”; > > > }; > > > > > > larb0:

Re: [PATCH 3/5] dt-bindings: mediatek: Add smi dts binding

2015-04-14 Thread Yong Wu
On Tue, 2015-04-14 at 21:49 +0800, Yong Wu wrote: > Hi Mark, > > On Tue, 2015-04-14 at 11:06 +0100, Mark Rutland wrote: > > On Tue, Apr 14, 2015 at 10:07:54AM +0100, Yong Wu wrote: > > > Hi Mark, > > > Thanks very much for review. > > > About the clock name should be the PoV of _this_ dev

RE: SMMU 2-stage support

2015-04-14 Thread Varun Sethi
Hi Will, > -Original Message- > From: iommu-boun...@lists.linux-foundation.org [mailto:iommu- > boun...@lists.linux-foundation.org] On Behalf Of Will Deacon > Sent: Monday, April 13, 2015 4:11 PM > To: Baptiste Reynal > Cc: Linux IOMMU > Subject: Re: SMMU 2-stage support > > On Fri, Apr 0

Re: [PATCH 1/4] iommu/tegra-smmu: Add debugfs support

2015-04-14 Thread Thierry Reding
On Tue, Mar 31, 2015 at 05:02:14PM +0200, Joerg Roedel wrote: > Hi Thierry, > > On Fri, Mar 27, 2015 at 11:15:41AM +0100, Thierry Reding wrote: > > Another possibility would be for you to ack this patch so that I can > > take it into the same branch as the dependency. The remainder of this > > ser

Re: [PATCH 3/5] dt-bindings: mediatek: Add smi dts binding

2015-04-14 Thread Mark Rutland
On Tue, Apr 14, 2015 at 10:07:54AM +0100, Yong Wu wrote: > Hi Mark, > Thanks very much for review. > About the clock name should be the PoV of _this_ device. Could you > help check below? > > On Fri, 2015-03-06 at 11:13 +, Mark Rutland wrote: > > On Fri, Mar 06, 2015 at 10:48:18AM +00

Re: [PATCH 3/5] dt-bindings: mediatek: Add smi dts binding

2015-04-14 Thread Yong Wu
Hi Mark, Thanks very much for review. About the clock name should be the PoV of _this_ device. Could you help check below? On Fri, 2015-03-06 at 11:13 +, Mark Rutland wrote: > On Fri, Mar 06, 2015 at 10:48:18AM +, yong...@mediatek.com wrote: > > From: Yong Wu > > > > This patch

RE: [v3 24/26] KVM: Update Posted-Interrupts Descriptor when vCPU is blocked

2015-04-14 Thread Wu, Feng
> -Original Message- > From: Marcelo Tosatti [mailto:mtosa...@redhat.com] > Sent: Tuesday, March 31, 2015 7:56 AM > To: Wu, Feng > Cc: h...@zytor.com; t...@linutronix.de; mi...@redhat.com; x...@kernel.org; > g...@kernel.org; pbonz...@redhat.com; dw...@infradead.org; > j...@8bytes.org; ale