On Thu, 29 Mar 2018 10:48:24 +0200
Joerg Roedel wrote:
> [ Adding Gary from AMD to Cc ]
>
> On Mon, Mar 19, 2018 at 09:37:14AM -0700, Jacob Pan wrote:
> > On Thu, 15 Mar 2018 14:18:54 +0100
> > Joerg Roedel wrote:
> >
> > > On Thu, Feb 15, 2018 at 08:38:11AM -0800, Jacob Pan wrote:
> > > >
On 03/29/2018 03:48 AM, Joerg Roedel wrote:
[ Adding Gary from AMD to Cc ]
On Mon, Mar 19, 2018 at 09:37:14AM -0700, Jacob Pan wrote:
On Thu, 15 Mar 2018 14:18:54 +0100
Joerg Roedel wrote:
On Thu, Feb 15, 2018 at 08:38:11AM -0800, Jacob Pan wrote:
Just wondering if your concern is on the im
[ Adding Gary from AMD to Cc ]
On Mon, Mar 19, 2018 at 09:37:14AM -0700, Jacob Pan wrote:
> On Thu, 15 Mar 2018 14:18:54 +0100
> Joerg Roedel wrote:
>
> > On Thu, Feb 15, 2018 at 08:38:11AM -0800, Jacob Pan wrote:
> > > Just wondering if your concern is on the implementation or the
> > > debugfs
On Thu, 15 Mar 2018 14:18:54 +0100
Joerg Roedel wrote:
> On Thu, Feb 15, 2018 at 08:38:11AM -0800, Jacob Pan wrote:
> > Just wondering if your concern is on the implementation or the
> > debugfs idea in general. Perhaps have some common IOMMU debugfs?
>
> My concern mainly is that we add inter
On Thu, Feb 15, 2018 at 08:38:11AM -0800, Jacob Pan wrote:
> Just wondering if your concern is on the implementation or the debugfs
> idea in general. Perhaps have some common IOMMU debugfs?
My concern mainly is that we add interfaces which reveal
potentially security relevant information to user-
On Thu, 22 Feb 2018 08:48:37 +0100
Yves-Alexis Perez wrote:
> On Tue, 2018-02-20 at 14:25 -0800, Jacob Pan wrote:
> > I didn't know about chipsec but reading the code seems to rely on an
> > out-of-tree kernel module. I don't think it matches what we need
> > here.
>
> Yes good indeed, I had f
On Tue, 2018-02-20 at 14:25 -0800, Jacob Pan wrote:
> I didn't know about chipsec but reading the code seems to rely on an
> out-of-tree kernel module. I don't think it matches what we need here.
Yes good indeed, I had forgot about that. Maybe the userland part is still
useful, but there's definit
On Sun, 18 Feb 2018 23:15:32 +0100
Yves-Alexis Perez wrote:
> On Tue, 2018-02-13 at 13:40 -0800, Raj, Ashok wrote:
> > This version has only hw dumps for now, but we plan to add some
> > other things like walking 2nd level page-tables, or get some SVM
> > specific data from the driver in the futu
On Tue, 2018-02-13 at 13:40 -0800, Raj, Ashok wrote:
> This version has only hw dumps for now, but we plan to add some other things
> like walking 2nd level page-tables, or get some SVM specific data from the
> driver in the future.
Hi,
I'm not sure how much you know about chipsec [1], but with
On Thu, 15 Feb 2018 10:53:38 +0100
Joerg Roedel wrote:
> On Tue, Feb 13, 2018 at 02:53:32PM -0800, Jacob Pan wrote:
> > We did start out with /dev/mem but run into CONFIG_STRICT_DEVMEM
> > requirement which is turned on by default.
> > libpci is only limited to PCI config space access, right?
>
On Tue, Feb 13, 2018 at 02:53:32PM -0800, Jacob Pan wrote:
> We did start out with /dev/mem but run into CONFIG_STRICT_DEVMEM
> requirement which is turned on by default.
> libpci is only limited to PCI config space access, right?
Even if /dev/mem is not an option, I am still not convinced that th
On Tue, 13 Feb 2018 13:40:02 -0800
"Raj, Ashok" wrote:
> Hi Joerg,
>
> On Tue, Feb 13, 2018 at 03:03:03PM +0100, Joerg Roedel wrote:
> > On Fri, Feb 02, 2018 at 04:49:56PM -0800, Sohil Mehta wrote:
> > > This series aims to add debugfs support for Intel IOMMU. It
> > > exposes IOMMU registers,
Hi Joerg,
On Tue, Feb 13, 2018 at 03:03:03PM +0100, Joerg Roedel wrote:
> On Fri, Feb 02, 2018 at 04:49:56PM -0800, Sohil Mehta wrote:
> > This series aims to add debugfs support for Intel IOMMU. It exposes IOMMU
> > registers, internal context and dumps individual table entries to help debug
> >
On Fri, Feb 02, 2018 at 04:49:56PM -0800, Sohil Mehta wrote:
> This series aims to add debugfs support for Intel IOMMU. It exposes IOMMU
> registers, internal context and dumps individual table entries to help debug
> Intel IOMMUs.
>
> The first patch does the ground work for the following patches
On Fri, 2018-02-02 at 16:49 -0800, Sohil Mehta wrote:
> Hi All,
>
> This series aims to add debugfs support for Intel IOMMU. It exposes
> IOMMU
> registers, internal context and dumps individual table entries to help
> debug
> Intel IOMMUs.
>
> The first patch does the ground work for the followi
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