On Mon, Aug 20, 2018 at 4:39 PM, Benjamin Herrenschmidt
wrote:
> On Mon, 2018-08-20 at 11:55 +0530, Hari Vyas wrote:
>> On Mon, Aug 20, 2018 at 7:40 AM, Benjamin Herrenschmidt
>> wrote:
>> > On Sat, 2018-08-18 at 21:24 -0500, Bjorn Helgaas wrote:
>> > > On Sat, Aug 18, 2018 at 01:24:51PM +1000, B
On Mon, 2018-08-20 at 09:17 +0200, Lukas Wunner wrote:
> On Mon, Aug 20, 2018 at 12:10:59PM +1000, Benjamin Herrenschmidt wrote:
> > I chose to create a new mutex which we should be able to address other
> > similar races if we find them. The other solutions that I dismissed
> > were:
> >
> > - U
On Mon, 2018-08-20 at 11:55 +0530, Hari Vyas wrote:
> On Mon, Aug 20, 2018 at 7:40 AM, Benjamin Herrenschmidt
> wrote:
> > On Sat, 2018-08-18 at 21:24 -0500, Bjorn Helgaas wrote:
> > > On Sat, Aug 18, 2018 at 01:24:51PM +1000, Benjamin Herrenschmidt wrote:
> > > > On Fri, 2018-08-17 at 10:44 -0500
On Mon, Aug 20, 2018 at 12:10:59PM +1000, Benjamin Herrenschmidt wrote:
> I chose to create a new mutex which we should be able to address other
> similar races if we find them. The other solutions that I dismissed
> were:
>
> - Using the device_lock. A explained previously, this is tricky, I
> p
On Mon, Aug 20, 2018 at 7:40 AM, Benjamin Herrenschmidt
wrote:
> On Sat, 2018-08-18 at 21:24 -0500, Bjorn Helgaas wrote:
>> On Sat, Aug 18, 2018 at 01:24:51PM +1000, Benjamin Herrenschmidt wrote:
>> > On Fri, 2018-08-17 at 10:44 -0500, Bjorn Helgaas wrote:
>> > > On Fri, Aug 17, 2018 at 02:48:57PM
On Sat, 2018-08-18 at 21:24 -0500, Bjorn Helgaas wrote:
> On Sat, Aug 18, 2018 at 01:24:51PM +1000, Benjamin Herrenschmidt wrote:
> > On Fri, 2018-08-17 at 10:44 -0500, Bjorn Helgaas wrote:
> > > On Fri, Aug 17, 2018 at 02:48:57PM +1000, Benjamin Herrenschmidt wrote:
> > > > This reverts commit 44b
On Sat, Aug 18, 2018 at 01:24:51PM +1000, Benjamin Herrenschmidt wrote:
> On Fri, 2018-08-17 at 10:44 -0500, Bjorn Helgaas wrote:
> > On Fri, Aug 17, 2018 at 02:48:57PM +1000, Benjamin Herrenschmidt wrote:
> > > This reverts commit 44bda4b7d26e9fffed6d7152d98a2e9edaeb2a76.
> >
> > Just to be clear
On Fri, 2018-08-17 at 10:44 -0500, Bjorn Helgaas wrote:
> On Fri, Aug 17, 2018 at 02:48:57PM +1000, Benjamin Herrenschmidt wrote:
> > This reverts commit 44bda4b7d26e9fffed6d7152d98a2e9edaeb2a76.
>
> Just to be clear, if I understand correctly, this is a pure revert of
> 44bda4b7d26e and as such i
On Fri, Aug 17, 2018 at 02:48:57PM +1000, Benjamin Herrenschmidt wrote:
> This reverts commit 44bda4b7d26e9fffed6d7152d98a2e9edaeb2a76.
Just to be clear, if I understand correctly, this is a pure revert of
44bda4b7d26e and as such it reintroduces the problem solved by that
commit.
If your solutio
On Fri, 2018-08-17 at 14:48 +1000, Benjamin Herrenschmidt wrote:
> This reverts commit 44bda4b7d26e9fffed6d7152d98a2e9edaeb2a76.
>
> The new pci state mutex provides a simpler way of addressing
> this race and avoids the relative includes added to the powerpc
> code.
Ignore the cset comment, my "
This reverts commit 44bda4b7d26e9fffed6d7152d98a2e9edaeb2a76.
The new pci state mutex provides a simpler way of addressing
this race and avoids the relative includes added to the powerpc
code.
Signed-off-by: Benjamin Herrenschmidt
---
arch/powerpc/kernel/pci-common.c | 4 +---
arch/po
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