Reza Arbab writes:
> From: Alistair Popple
>
> Some device drivers support out of order access to GPU memory. This does
> not affect the CPU view of memory but it does affect the GPU view, so it
> should only be enabled once the GPU driver has requested it. Add APIs
> allowing a driver to do so.
"Aneesh Kumar K.V" writes:
> This patch makes sure we update the mmu_gather page size even if we are
> requesting for a fullmm flush. This avoids triggering VM_WARN_ON in code
> paths like __tlb_remove_page_size that explicitly check for removing range
> page
> size to be same as mmu gather page
"Aneesh Kumar K.V" writes:
> Fix the below build error using strlcpy instead of strncpy
>
> In function 'pnv_parse_cpuidle_dt',
> inlined from 'pnv_init_idle_states' at
> arch/powerpc/platforms/powernv/idle.c:840:7,
> inlined from '__machine_initcall_powernv_pnv_init_idle_states' at
> a
On Fri, 10 Aug 2018 16:42:49 +1000
Nicholas Piggin wrote:
> Reimplement Book3S idle code in C, moving POWER7/8/9 implementation
> speific HV idle code to the powernv platform code.
>
> Book3S assembly stubs are kept in common code and used only to save
> the stack frame and non-volatile GPRs bef
On Thu, 9 Aug 2018 12:26:46 +0200
Michal Suchánek wrote:
> On Thu, 9 Aug 2018 18:33:33 +1000
> Nicholas Piggin wrote:
>
> > On Thu, 9 Aug 2018 13:39:45 +0530
> > Ananth N Mavinakayanahalli wrote:
> >
> > > On Thu, Aug 09, 2018 at 06:02:53PM +1000, Nicholas Piggin wrote:
> > > > On Thu,
On Friday, 10 August 2018 5:07:56 PM AEST Michael Ellerman wrote:
> Reza Arbab writes:
> > From: Alistair Popple
> >
> > Some device drivers support out of order access to GPU memory. This does
> > not affect the CPU view of memory but it does affect the GPU view, so it
> > should only be enabled
Le 03/08/2018 à 13:31, Murilo Opsfelder Araujo a écrit :
Hi, everyone.
I'd like to thank you all that contributed to refining and making this
series better. I did appreciate.
Thank you!
You are welcome.
It seems that nested segfaults don't print very well. The code line is
split in two,
On 08/08/2018 08:12 PM, Michael Ellerman wrote:
> Hi Mahesh,
>
> A few nitpicks.
>
> Mahesh J Salgaonkar writes:
>> From: Mahesh Salgaonkar
>>
>> On pseries, the machine check error details are part of RTAS extended
>> event log passed under Machine check exception section. This patch adds
>> t
On 08/07/2018 10:24 PM, Michal Suchánek wrote:
> Hello,
>
>
> On Tue, 07 Aug 2018 19:47:14 +0530
> "Mahesh J Salgaonkar" wrote:
>
>> From: Mahesh Salgaonkar
>>
>> On pseries, as of today system crashes if we get a machine check
>> exceptions due to SLB errors. These are soft errors and can be
On 08/08/2018 02:34 PM, Nicholas Piggin wrote:
> On Tue, 07 Aug 2018 19:47:14 +0530
> Mahesh J Salgaonkar wrote:
>
>> From: Mahesh Salgaonkar
>>
>> On pseries, as of today system crashes if we get a machine check
>> exceptions due to SLB errors. These are soft errors and can be fixed by
>> flush
On 08/09/2018 06:35 AM, Michael Ellerman wrote:
> Mahesh J Salgaonkar writes:
>
>> diff --git a/arch/powerpc/include/asm/paca.h
>> b/arch/powerpc/include/asm/paca.h
>> index 7f22929ce915..233d25ff6f64 100644
>> --- a/arch/powerpc/include/asm/paca.h
>> +++ b/arch/powerpc/include/asm/paca.h
>> @@
On 08/10/2018 04:02 PM, Mahesh Jagannath Salgaonkar wrote:
> On 08/09/2018 06:35 AM, Michael Ellerman wrote:
>> Mahesh J Salgaonkar writes:
>>
>>> diff --git a/arch/powerpc/include/asm/paca.h
>>> b/arch/powerpc/include/asm/paca.h
>>> index 7f22929ce915..233d25ff6f64 100644
>>> --- a/arch/powerpc/
Michal Suchánek writes:
> On Wed, 8 Aug 2018 21:07:11 +0530
> "Aneesh Kumar K.V" wrote:
>> On 08/08/2018 08:26 PM, Michael Ellerman wrote:
>> > Mahesh J Salgaonkar writes:
>> >> From: Mahesh Salgaonkar
>> >>
>> >> Introduce recovery action for recovered memory errors (MCEs).
>> >> There are s
Hi Srikar,
Thanks for debugging this.
Srikar Dronamraju writes:
> diff --git a/arch/powerpc/include/asm/topology.h
> b/arch/powerpc/include/asm/topology.h
> index 16b077801a5f..70f2d2285ba7 100644
> --- a/arch/powerpc/include/asm/topology.h
> +++ b/arch/powerpc/include/asm/topology.h
> @@ -113,
Hi Nathan,
Nathan Fontenot writes:
> On 08/08/2018 10:29 AM, John Allen wrote:
>> While handling PRRN events, the time to handle the actual hotplug events
>> dwarfs the time it takes to perform the device tree updates and queue the
>> hotplug events. In the case that PRRN events are being queued
John Allen writes:
> When a PRRN event is being handled and another PRRN event comes in, the
> second event will block rtas polling waiting on the first to complete,
> preventing any further rtas events from being handled. This can be
> especially problematic in case that PRRN events are continuou
Currently if you build a 32-bit powerpc kernel and use get_user() to
load a u64 value it will fail to build with eg:
kernel/rseq.o: In function `rseq_get_rseq_cs':
kernel/rseq.c:123: undefined reference to `__get_user_bad'
This is hitting the check in __get_user_size() that makes sure the
siz
* Michael Ellerman [2018-08-10 21:42:28]:
> Srikar Dronamraju writes:
> > diff --git a/arch/powerpc/include/asm/topology.h
> > b/arch/powerpc/include/asm/topology.h
> > index 16b077801a5f..70f2d2285ba7 100644
> > --- a/arch/powerpc/include/asm/topology.h
> > +++ b/arch/powerpc/include/asm/topol
On 08/10/2018 08:21 AM, Srikar Dronamraju wrote:
> * Michael Ellerman [2018-08-10 21:42:28]:
>
>> Srikar Dronamraju writes:
>>> diff --git a/arch/powerpc/include/asm/topology.h
>>> b/arch/powerpc/include/asm/topology.h
>>> index 16b077801a5f..70f2d2285ba7 100644
>>> --- a/arch/powerpc/include/as
* Peter Zijlstra [2018-08-08 09:58:41]:
> On Wed, Aug 08, 2018 at 12:39:31PM +0530, Srikar Dronamraju wrote:
> > With Commit 051f3ca02e46 ("sched/topology: Introduce NUMA identity node
> > sched domain") scheduler introduces an extra numa level. However that
> > leads to
> >
> > - numa topology
With commit 051f3ca02e46 ("sched/topology: Introduce NUMA identity node
sched domain") scheduler introduces an new numa level. However this
leads to numa topology on 2 node systems no more marked as NUMA_DIRECT.
After this commit, it gets reported as NUMA_BACKPLANE. This is because
sched_domains_nu
With commit 051f3ca02e46 ("sched/topology: Introduce NUMA identity node
sched domain") scheduler introduces an new numa level. However on shared
lpars like powerpc, this extra sched domain creation can lead to
repeated rcu stalls, sometimes even causing unresponsive systems on
boot. On such stalls,
Hi, Christophe.
On Fri, Aug 10, 2018 at 11:29:43AM +0200, Christophe LEROY wrote:
>
>
> Le 03/08/2018 à 13:31, Murilo Opsfelder Araujo a écrit :
> > Hi, everyone.
> >
> > I'd like to thank you all that contributed to refining and making this
> > series better. I did appreciate.
> >
> > Thank you!
On Tue, 07 Aug 2018 19:47:39 +0530
Mahesh J Salgaonkar wrote:
> From: Mahesh Salgaonkar
>
> If we get a machine check exceptions due to SLB errors then dump the
> current SLB contents which will be very much helpful in debugging the
> root cause of SLB errors. Introduce an exclusive buffer per
This contains an 8xx compilation fix, and a dpaa device tree fix.
The following changes since commit 77b5f703dcc859915f0f20d92bc538e4a99ef149:
powerpc/powernv/opal: Use standard interrupts property when available
(2018-08-08 00:32:38 +1000)
are available in the Git repository at:
git://git
On Wed, 8 Aug 2018 21:11:16 +0530
Gautham R Shenoy wrote:
> Hello Nicholas,
>
> On Fri, Aug 03, 2018 at 12:05:47AM +1000, Nicholas Piggin wrote:
> > On Thu, 2 Aug 2018 10:21:32 +0530
> > Akshay Adiga wrote:
> >
> > > From: Abhishek Goel
> > >
> > > If a state has "opal-supported" compat f
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