On Tue, 15 Aug 2017, Joerg Roedel wrote:
> On Tue, Aug 15, 2017 at 06:02:20PM +0200, Sebastian Ott wrote:
> > On Mon, 14 Aug 2017, Joerg Roedel wrote:
> > > I attach the patch I wrote to fix this, can you please test it together
> > > with the initial patch in this thread?
> >
> > I did and can co
On Tue, Aug 15, 2017 at 06:02:20PM +0200, Sebastian Ott wrote:
> On Mon, 14 Aug 2017, Joerg Roedel wrote:
> > I attach the patch I wrote to fix this, can you please test it together
> > with the initial patch in this thread?
>
> I did and can confirm that everything worked as expected!
Great, tha
On Mon, 14 Aug 2017, Joerg Roedel wrote:
> I attach the patch I wrote to fix this, can you please test it together
> with the initial patch in this thread?
I did and can confirm that everything worked as expected!
Thanks,
Sebastian
Hi Sebastian,
On Fri, Aug 11, 2017 at 07:02:36PM +0200, Sebastian Ott wrote:
> ..but I found the bug, actually 2 bugs:
>
> * That patch embedded a struct iommu_device within struct zpci_dev but
> the iommu_device has a release function (via its class) - so when
> the release function gets called
On Fri, 11 Aug 2017, Sebastian Ott wrote:
> * That patch embedded a struct iommu_device within struct zpci_dev but
> the iommu_device has a release function (via its class) - so when
> the release function gets called it frees memory that was never allocated.
> The fix is to not embedd struct iommu
On Fri, 11 Aug 2017, Sebastian Ott wrote:
> * iommu_release_device must not release the struct device but the
> structure it is embedded in: struct iommu_device (I'll send a patch
> for that)
--->8
>From 2839c92e038af47b8cb569f84d571878c54d1815 Mon Sep 17 00:00:00 2001
From: Sebastian Ott
Date:
Hello Joerg,
On Fri, 11 Aug 2017, Joerg Roedel wrote:
> Hey Sebastian,
>
> On Thu, Aug 10, 2017 at 09:07:06PM +0200, Sebastian Ott wrote:
> > With this patch pci hot-unplug fails with a use after free or refcounting
> > issue - I'm currently trying to understand what's going on...
>
> Let me kno
Hey Sebastian,
On Thu, Aug 10, 2017 at 09:07:06PM +0200, Sebastian Ott wrote:
> With this patch pci hot-unplug fails with a use after free or refcounting
> issue - I'm currently trying to understand what's going on...
Let me know if I can help with debugging the issue, do you have a
backtrace for
Hi Sebastian,
On Thu, Aug 10, 2017 at 09:07:06PM +0200, Sebastian Ott wrote:
> On Wed, 9 Aug 2017, Joerg Roedel wrote:
> > From: Joerg Roedel
> >
> > Add support for the iommu_device_register interface to make
> > the s390 hardware iommus visible to the iommu core and in
> > sysfs.
> >
>
> Wit
On Wed, 9 Aug 2017, Joerg Roedel wrote:
> From: Joerg Roedel
>
> Add support for the iommu_device_register interface to make
> the s390 hardware iommus visible to the iommu core and in
> sysfs.
>
With this patch pci hot-unplug fails with a use after free or refcounting
issue - I'm currently try
From: Joerg Roedel
Add support for the iommu_device_register interface to make
the s390 hardware iommus visible to the iommu core and in
sysfs.
Signed-off-by: Joerg Roedel
---
arch/s390/include/asm/pci.h | 7 +++
arch/s390/pci/pci.c | 9 -
drivers/iommu/s390-iommu.c | 35
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