2018
]
[Replace patch submission:
Subject: [PATCH] powerpc/topology: Update numa mask when cpu node mapping
changes
From: Srikar Dronamraju
Date: Wed Oct 10 15:24:46 AEDT 2018
]
Signed-off-by: Michael Bringmann
---
Changes in v04:
-- Revise tests in topology_timer_fn to check vphn_enabled b
On 2/19/19 2:03 PM, Tyrel Datwyler wrote:
> On 02/19/2019 07:46 AM, Michael Bringmann wrote:
>> powerpc/pseries: Fix dn reference error in dlpar_cpu_remove_by_index()
>>
>> A reference to the device node of the CPU to be removed is released
>> upon successful removal o
count will still be decremented.
Signed-off-by: Michael Bringmann
diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c
b/arch/powerpc/platforms/pseries/hotplug-cpu.c
index 97feb6e..9537bb9 100644
--- a/arch/powerpc/platforms/pseries/hotplug-cpu.c
+++ b/arch/powerpc/platforms/pseries/hot
To: linuxppc-...@lists.ozlabs.org
To: linux-kernel@vger.kernel.org
Benjamin Herrenschmidt
Paul Mackerras
Michael Ellerman
Nathan Lynch
Corentin Labbe
Tyrel Datwyler
Srikar Dronamraju
Guenter Roeck
Michael Bringmann
"Oliver O'Halloran"
Russell Currey
Haren Myneni
Al
2018
]
[Replace patch submission:
Subject: [PATCH] powerpc/topology: Update numa mask when cpu node mapping
changes
From: Srikar Dronamraju
Date: Wed Oct 10 15:24:46 AEDT 2018
]
Signed-off-by: Michael Bringmann
---
Changes in v03:
-- Fixed under-scheduling of topo updates.
Changes in v02:
-- Reuse mo
On 1/29/19 3:31 AM, Michael Ellerman wrote:
> Tyrel Datwyler writes:
>> On 12/14/2018 12:50 PM, Michael Bringmann wrote:
>>> Define interface to acquire arch-specific drc info to match against
>>> hotpluggable devices. The current implementation exposes several
&
On 1/25/19 10:09 AM, Michael Bringmann wrote:
> Adding Nathan Lynch
>
> On 1/24/19 6:04 PM, Tyrel Datwyler wrote:
>> On 12/14/2018 12:50 PM, Michael Bringmann wrote:
>>> Define interface to acquire arch-specific drc info to match against
>>> hotpluggable dev
Adding Nathan Lynch.
On 1/24/19 6:29 PM, Tyrel Datwyler wrote:
> On 01/14/2019 04:28 PM, Bjorn Helgaas wrote:
>> On Fri, Dec 14, 2018 at 02:51:31PM -0600, Michael Bringmann wrote:
>>> The implementation of the pseries-specific drc info properties
>>> is currently impl
Adding Nathan Lynch.
On 1/24/19 6:10 PM, Tyrel Datwyler wrote:
> On 12/14/2018 12:50 PM, Michael Bringmann wrote:
>> Define interface to acquire arch-specific drc info to match against
>> hotpluggable devices. The current implementation exposes several
>> pseries-sp
Adding Nathan Lynch.
Yes. We can amend the title.
On 1/24/19 6:04 PM, Tyrel Datwyler wrote:
> On 12/14/2018 12:51 PM, Michael Bringmann wrote:
>> This patch provides a common interface to parse ibm,drc-indexes,
>> ibm,drc-names, ibm,drc-types, ibm,drc-power-domains, or ibm,d
Adding Nathan Lynch
On 1/24/19 6:04 PM, Tyrel Datwyler wrote:
> On 12/14/2018 12:50 PM, Michael Bringmann wrote:
>> Define interface to acquire arch-specific drc info to match against
>> hotpluggable devices. The current implementation exposes several
>> pseries-sp
On 1/9/19 12:08 AM, Gautham R Shenoy wrote:
> I did some testing during the holidays. Here are the observations:
>
> 1) With just your patch (without any additional debug patch), if I run
> DLPAR on /off operations on a system that has SMT=off, I am able to
> see a crash involving RTAS stack corr
On 12/12/2018 08:57 PM, Michael Ellerman wrote:
> Frank Rowand writes:
>> On 12/11/18 8:07 AM, Rob Herring wrote:
>>> On Tue, Dec 11, 2018 at 7:29 AM Michael Ellerman
>>> wrote:
> ...
diff --git a/drivers/of/base.c b/drivers/of/base.c
index 09692c9b32a7..d8e4534c0686 100644
--- a/
; will incorrectly find the stale entry. Remove the node from the
>> cache.
>>
>> Add paranoia checks in of_find_node_by_phandle() as a second level
>> of defense (do not return cached node if detached, do not add node
>> to cache if detached).
>>
>> Reported-by
: Michael Bringmann
---
arch/powerpc/include/asm/prom.h |3
arch/powerpc/platforms/pseries/of_helpers.c | 299 +++
include/linux/topology.h|2
3 files changed, 298 insertions(+), 6 deletions(-)
diff --git a/arch/powerpc/include/asm
pseries_energy.c and hotplug-cpu.c to use the common parser.
Changes include creating appropriate callback functions and
passing callback-specific data blocks into arch_find_drc_match.
Signed-off-by: Michael Bringmann
---
arch/powerpc/platforms/pseries/hotplug-cpu.c| 83 +++-
arch
arch_find_drc_match. All functions that were used just
to support the previous parsing implementation have been moved.
Signed-off-by: Michael Bringmann
---
drivers/pci/hotplug/rpaphp_core.c | 232 -
1 file changed, 28 insertions(+), 204 deletions(-)
diff --git a
: Michael Bringmann
---
include/linux/topology.h |9 +
1 file changed, 9 insertions(+)
diff --git a/include/linux/topology.h b/include/linux/topology.h
index cb0775e..df97f5f 100644
--- a/include/linux/topology.h
+++ b/include/linux/topology.h
@@ -44,6 +44,15 @@
int
Replace use of of_prop_next_u32() in when parsing 'ibm,drc-info'
structure to simplify and reduce parsing code.
Signed-off-by: Michael Bringmann
Fixes: 3f38000eda48 ("powerpc/firmware: Add definitions for new drc-info
firmware feature" -- end of patch series applied to pow
-domains, and the compressed ibm,drc-info into the
platform-specific code for the Pseries features.
Signed-off-by: Michael W. Bringmann
Michael Bringmann (6):
powerpc:/drc Define interface to acquire arch-specific drc info
pseries/drcinfo: Fix bug parsing ibm,drc-info
pseries/drcinfo: Pseries
code from PHYP's H_SET_DR_STATE
h-call.
On 12/10/2018 02:31 PM, Thiago Jung Bauermann wrote:
>
> Hello Michael,
>
> Michael Bringmann writes:
>
>> I have asked Scott Mayes to take a look at one of these crashes from
>> the phyp side. I will let you know if he fin
during the lifetime of a
system. These interfaces will be used entirely within the powerpc
kernel code to maintain separation between the machine and kernel
contexts.
Signed-off-by: Michael Bringmann
---
arch/powerpc/include/asm/topology.h | 31 +++
arch/powerpc/platforms/pseries
changes during the lifetime of a
system. These interfaces exchange the thread_index provided by the
'ibm,ppc-interrupt-server#s' properties, for an internal index to
be used by kernel scheduling interfaces.
Signed-off-by: Michael Bringmann
---
arch/powerpc/mm/numa.c
Add argument to allow caller to determine whether the node identified
for a cpu after an associativity / affinity change should be inited.
Signed-off-by: Michael Bringmann
---
arch/powerpc/include/asm/topology.h |2 +-
arch/powerpc/mm/numa.c |6
associativity changes during the lifetime of a
system. These interfaces exchange the thread_index provided by the
'ibm,ppc-interrupt-server#s' properties, for an internal index to
be used by kernel scheduling interfaces.
Signed-off-by: Michael Bringmann
Michael Bringmann (3):
po
--- Snip ---
>>
>> The mobility.c code continues on during the second migration, accepts
>> the definitions of the new nodes from the PHYP and ends up renaming
>> the new properties e.g.
>>
>> [ 4565.827296] Duplicate name in base, renamed to "ibm,platform-facilities#1"
>>
>> There is no check lik
frowand.l...@gmail.com
> devicet...@vger.kernel.org
> linux-kernel@vger.kernel.org
Thanks.
>
> Michael Bringmann writes:
>> The PPC mobility code receives RTAS requests to delete nodes with
>> platform-/hardware-specific attributes when restarting the kernel
>> aft
I have asked Scott Mayes to take a look at one of these crashes from
the phyp side. I will let you know if he finds anything notable.
Michael
On 12/07/2018 08:40 PM, Thiago Jung Bauermann wrote:
>
> Gautham R Shenoy writes:
>> On Fri, Dec 07, 2018 at 04:13:11PM +0530, Gautham R Shenoy wrote:
>
Hi Michael,
>
> Michael Bringmann writes:
>> pseries/findnodes: On pseries systems which allow 'hot-add' of
>
> This isn't a powerpc or pseries patch, so the subject/prefix is wrong.
>
> Also because you're changing generic code you need to provide an
&g
structures.
In the process of the 're-add', the appropriate entry of the property
'ibm,dynamic-memory' would be updated as well as any other applicable
system data structures.
Signed-off-by: Michael Bringmann
---
arch/powerpc/platforms/pseries/hotplug-memory.c | 123 +++
ology migration requires us to compare the 'aa_index'
values of the old/new properties and 'readd' any block for which the
setting has changed.
Signed-off-by: Michael Bringmann
---
arch/powerpc/include/asm/prom.h | 12 ++
arch/powerpc/platfo
ology migration requires us to compare the aa_index values of the
old/new properties and 'readd' any block for which the setting has
changed.
Signed-off-by: Michael Bringmann
---
arch/powerpc/platforms/pseries/hotplug-cpu.c| 64 +++
arch/powerpc/platforms/pserie
layers to reset the associativity of the blocks and any
other related data structures.
Signed-off-by: Michael Bringmann
Michael Bringmann (3):
powerpc/hotplug/memory: Apply assoc mem updates from 'ibm,dynamic-memory'
Post LPAR Migration
powerpc/hotplug/memory: Apply assoc lookup arr
ent. This patch fixes some problems encountered at
runtime with configurations that support memory-less nodes, or that
hot-add CPUs into nodes that are memoryless during system execution
after boot.
Signed-off-by: Michael Bringmann
---
Changes in V6:
-- Add some needed node initialization to ru
will be performed
to define or enable additional nodes.
Signed-off-by: Michael Bringmann
---
Changes in V6:
-- Remove some node initialization/allocation from boot setup
---
arch/powerpc/mm/numa.c | 40 +---
1 file changed, 37 insertions(+), 3 deletions(-
pseries/nodes: Ensure enough nodes avail for operations
pseries/initnodes: Ensure nodes initialized for hotplug
Signed-off-by: Michael Bringmann
Michael Bringmann (2):
pseries/nodes: Ensure enough nodes avail for operations
pseries/initnodes: Ensure nodes initialized for hotplug
ent. This patch fixes some problems encountered at
runtime with configurations that support memory-less nodes, or that
hot-add resources during system execution after boot.
Signed-off-by: Michael Bringmann
---
Changes in V5:
-- Reorganize code used to associatively map CPUs to nodes and
will be performed
to define or enable additional nodes.
Signed-off-by: Michael Bringmann
---
Changes in V5:
-- Remove unnecessary error check
---
arch/powerpc/mm/numa.c | 38 +++---
1 file changed, 35 insertions(+), 3 deletions(-)
diff --git a/arch/powerpc/mm/numa
pseries/nodes: Ensure enough nodes avail for operations
pseries/initnodes: Ensure nodes initialized for hotplug
Signed-off-by: Michael Bringmann
Michael Bringmann (2):
pseries/nodes: Ensure enough nodes avail for operations
pseries/initnodes: Ensure nodes initialized for hotplug
From: Michael Bringmann
To: linuxppc-...@lists.ozlabs.org
To: linux-kernel@vger.kernel.org
Cc: Michael Bringmann
Cc: Nathan Fontenot
Cc: Michael Ellerman
Cc: John Allen
Subject: [PATCH V4 0/2] pseries/nodes: Fix issues with memoryless nodes
pseries/nodes: Ensure enough nodes avail for
To: linuxppc-...@lists.ozlabs.org
To: linux-kernel@vger.kernel.org
Cc: Michael Ellerman
Cc: Michael Bringmann
Cc: John Allen
Cc: Nathan Fontenot
Subject: [PATCH V3 2/2] pseries/initnodes: Ensure nodes initialized for hotplug
pseries/nodes: On pseries systems which allow 'hot-add'
will be performed
to define or enable additional nodes.
Signed-off-by: Michael Bringmann
---
arch/powerpc/mm/numa.c | 39 ---
1 file changed, 36 insertions(+), 3 deletions(-)
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index ec098b3..f885a
pseries/nodes: Ensure enough nodes avail for operations
pseries/initnodes: Ensure nodes initialized for hotplug
Signed-off-by: Michael Bringmann
Michael Bringmann (2):
pseries/nodes: Ensure enough nodes avail for operations
pseries/initnodes: Ensure nodes initialized for hotplug
ent. This patch fixes some problems encountered at
runtime with configurations that support memory-less nodes, or that
hot-add resources during system execution after boot.
Signed-off-by: Michael Bringmann
---
arch/powerpc/mm/numa.c | 27 ---
1 file changed, 24 insert
will be performed
to define or enable additional nodes.
Signed-off-by: Michael Bringmann
---
arch/powerpc/mm/numa.c | 39 ---
1 file changed, 36 insertions(+), 3 deletions(-)
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index ec098b3..f885a
pology.h' to modules
that are allocating node-specific memory at boot, and allows such
references to find available memory in another node.
Signed-off-by: Michael Bringmann
---
block/blk-mq-cpumap.c |3 ++-
mm/page_alloc.c |1 +
2 files changed, 3 insertions(+), 1 deletion
pseries/nodes: Ensure enough nodes avail for operations
pseries/findnodes: Find nodes with memory when booting memoryless nodes
pseries/initnodes: Ensure nodes initialized for hotplug
Signed-off-by: Michael Bringmann
Michael Bringmann (3):
pseries/nodes: Ensure enough nodes avail for
On 10/17/2017 12:02 PM, Nathan Fontenot wrote:
> On 10/17/2017 11:14 AM, Michael Bringmann wrote:
>> See below.
>>
>> On 10/16/2017 07:33 AM, Michael Ellerman wrote:
>>> Michael Bringmann writes:
>>>
>>>> powerpc/nodes: On systems like Pow
See below.
On 10/16/2017 07:33 AM, Michael Ellerman wrote:
> Michael Bringmann writes:
>
>> powerpc/nodes: On systems like PowerPC which allow 'hot-add' of CPU
>
> This is a powerpc-only patch, so saying "systems like PowerPC" is
> confusing. What yo
On 10/16/2017 07:54 AM, Michael Ellerman wrote:
> Michael Bringmann writes:
>
>> powerpc/hotplug: On systems like PowerPC which allow 'hot-add' of CPU,
>> it may occur that the new resources are to be inserted into nodes
>> that were not used for memory re
nvironment. This patch fixes some problems encountered at
runtime with configurations that support memory-less nodes, but which
allow CPUs to be added at and after boot.
Signed-off-by: Michael Bringmann
---
arch/powerpc/mm/numa.c | 17 +++--
1 file changed, 15 insertions(+), 2
fine or enable additional nodes.
Signed-off-by: Michael Bringmann
---
arch/powerpc/mm/numa.c | 47 +++
1 file changed, 47 insertions(+)
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index ec098b3..b385cd0 100644
--- a/arch/powerp
bootup. Many different configurations
of PowerPC resources may need to be supported depending upon the
environment. This patch fixes some problems encountered at runtime
with configurations that support memory-less nodes, but which allow
CPUs to be added at and after boot.
Signed-off-by: Michael
().
Signed-off-by: Michael Bringmann
---
Changes in V14:
-- More code cleanup
---
arch/powerpc/mm/numa.c | 10 --
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index 32f5f8d..ec098b3 100644
--- a/arch/powerpc/mm/numa.c
+++ b
value to better ensure that the CPU topology is
detected and configured sooner.
Signed-off-by: Michael Bringmann
---
Changes in V14:
-- Restore accidentally deleted reset of topology timer.
---
arch/powerpc/include/asm/topology.h |8
arch/powerpc/mm/numa.c
the CPU.
Signed-off-by: Michael Bringmann
---
Changes in V14:
-- Cleanup some duplicate code. Change a trace stmt to debug.
---
arch/powerpc/mm/numa.c | 22 +-
1 file changed, 21 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
detected and configured sooner.
Also, fix an end-of-updates processing problem observed occasionally
in numa_update_cpu_topology().
Signed-off-by: Michael Bringmann
Michael Bringmann (4):
powerpc/vphn: Update CPU topology when VPHN enabled
powerpc/vphn: Improve recognition of PRRN/VPHN
: Michael Bringmann
---
Changes in V14:
-- Code cleanup to reduce patch sizes
---
arch/powerpc/mm/numa.c |8
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index 3ae031d..5f5ff46 100644
--- a/arch/powerpc/mm/numa.c
+++ b
On 09/06/2017 09:45 AM, Nathan Fontenot wrote:
> On 09/01/2017 10:48 AM, Michael Bringmann wrote:
>> powerpc/vphn: On Power systems with shared configurations of CPUs
>> and memory, there are some issues with the association of additional
>> CPUs and memory to nodes when
value to better ensure that the CPU topology is
detected and configured sooner.
Signed-off-by: Michael Bringmann
---
arch/powerpc/include/asm/topology.h |8
arch/powerpc/mm/numa.c | 21 -
arch/powerpc/platforms/pseries/hotplug-cpu.c
().
Signed-off-by: Michael Bringmann
---
arch/powerpc/mm/numa.c |7 +++
1 file changed, 7 insertions(+)
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index 3a5b334..fccf23f 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -1410,6 +1410,13 @@ int
the CPU.
Signed-off-by: Michael Bringmann
---
Changes in V13:
-- Split patch for improved review
---
arch/powerpc/mm/numa.c | 31 ---
1 file changed, 28 insertions(+), 3 deletions(-)
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index b95c584
: Michael Bringmann
---
Changes in V13:
-- Split patch to improve review
---
arch/powerpc/mm/numa.c |6 --
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index 312f6ee..c08d736 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch
detected and configured sooner.
Also, fix an end-of-updates processing problem observed occasionally
in numa_update_cpu_topology().
Signed-off-by: Michael Bringmann
Michael Bringmann (4):
powerpc/vphn: Update CPU topology when VPHN enabled
powerpc/vphn: Improve recognition of PRRN/VPHN
detected and configured sooner.
Also, fix an end-of-updates processing problem observed occasionally
in numa_update_cpu_topology().
Signed-off-by: Michael Bringmann
---
Changes in V12:
-- Reorganize some of the updates to minimize kernel impact.
-- Improve documentation of this patch.
---
arch
powerpc/vphn: Reorganize source code in order to better distinguish the
VPHN code from the NUMA code better, by moving relevant functions to
appropriate files.
Signed-off-by: Michael Bringmann
---
arch/powerpc/include/asm/topology.h|6
arch/powerpc/mm/numa.c | 550
information provided by the pHyp.
Also, update initialization checks for device-tree attributes to
independently recognize PRRN or VPHN usage.
Signed-off-by: Michael Bringmann
---
Changes in V11:
-- Cleanup presentation of patch changes
---
arch/powerpc/include/asm/topology.h | 14
he instruction,
nodes_and(node_possible_map, node_possible_map, node_online_map);
presently seen in the function arch/powerpc/mm/numa.c:initmem_init().
If the property is not present at boot, no operation will be performed
to define or enable additional nodes.
Signed-off-by: Michael Bringmann
--
the VPHN
code from the NUMA code better, and move relevant functions to another
file.
Signed-off-by: Michael Bringmann
Michael Bringmann (3):
powerpc/numa: Update CPU topology when VPHN enabled
powerpc/nodes: Ensure enough nodes avail for operations
powerpc/vphn: Rearrange file contents for im
From: Michael Bringmann
To: linuxppc-...@lists.ozlabs.org
To: linux-kernel@vger.kernel.org
Cc: Michael Ellerman
Cc: Michael Bringmann
Cc: John Allen
Cc: Nathan Fontenot
Subject: [PATCH V10 2/2] powerpc/nodes: Ensure enough nodes avail for operations
powerpc/nodes: On systems like PowerPC
information provided by the pHyp.
Also, update initialization checks for device-tree attributes to
independently recognize PRRN or VPHN usage.
Finally, try to distinguish the VPHN code from the NUMA code better,
and move relevant functions to another file.
Signed-off-by: Michael Bringmann
---
Changes in
.] This new setting will override
the instruction,
nodes_and(node_possible_map, node_possible_map, node_online_map);
presently seen in the function arch/powerpc/mm/numa.c:initmem_init().
If the property is not present at boot, no operation will be performed
to define or enable additional nodes.
Si
information provided by the pHyp.
Also, update initialization checks for device-tree attributes to
independently recognize PRRN or VPHN usage.
Signed-off-by: Michael Bringmann
---
arch/powerpc/include/asm/topology.h | 14 ++
arch/powerpc/mm/numa.c | 64
To: linuxppc-...@lists.ozlabs.org
From: Michael Bringmann
To: linux-kernel@vger.kernel.org
Cc: Michael Ellerman
Cc: Michael Bringmann
Cc: John Allen
Cc: Nathan Fontenot
Subject: [PATCH V9 2/2] powerpc/nodes: Ensure enough nodes avail for operations
powerpc/nodes: On systems like PowerPC
he instruction,
nodes_and(node_possible_map, node_possible_map, node_online_map);
presently seen in the function arch/powerpc/mm/numa.c:initmem_init().
If the property is not present at boot, no operation will be performed
to define or enable additional nodes.
Signed-off-by: Michael Br
pools.
It prevents a crash that has been observed when an 'empty' cpumask is
passed along to the worker/task scheduling code. It is intended as an
intermediate fix until a more fundamental review and correction of the
issue can be done.
[With additions to the patch provided by Tej
ote:
> Hello, Michael.
>
> On Thu, Jul 27, 2017 at 02:07:53PM -0500, Michael Bringmann wrote:
>> The problem lies with the ordering of events with respect to the order in
>> which we add (or remove) CPUs to NUMA systems, and make use of that
>> knowledge.
>
>
>>
>> /* yeap, return possible CPUs in @node that @attrs wants */
>> cpumask_and(cpumask, attrs->cpumask, wq_numa_possible_cpumask[node]);
>> +
>> +if (cpumask_empty(cpumask)) {
>> +pr_warn_once("WARNING: workqueue cpumask: onl intersect > "
>
On 07/27/2017 01:31 PM, Tejun Heo wrote:
> On Thu, Jul 27, 2017 at 01:15:48PM -0500, Michael Bringmann wrote:
>>
>> On NUMA systems with dynamic processors, the content of the cpumask
>> may change over time. As new processors are added via DLPAR operations,
>> work
intermediate
one while developers search for any underlying issues.
[With additions to the patch provided by Tejun Hao ]
Signed-off-by: Michael Bringmann
---
Changes in V6:
-- Update descriptive text
---
kernel/workqueue.c |7 +++
1 file changed, 7 insertions(+)
diff --git a/kernel/workqueue.c b
execution by CPUs on another node.
In these and other cases, the patch attempts to ensure that a valid,
usable cpumask is used to set up newly created pools for workqueues.
[With additions to the patch provided by Tejun Hao ]
Signed-off-by: Michael Bringmann
---
Changes in V5:
-- Revise the warning
Sorry, I did try it. I must have forgotten to notify you of its success.
Will next post an updated patch using 'pr_warn_once'. It prints a message
during system initialization, by the way.
Thanks.
On 07/26/2017 02:16 PM, Tejun Heo wrote:
> On Wed, Jul 26, 2017 at 10:25:08AM -
Hello, Tejun:
Do you need anything else from me regarding this patch?
Or are you good to commit it upstream?
Thanks.
Michael
On 06/28/2017 04:24 PM, Tejun Heo wrote:
> On Wed, Jun 28, 2017 at 04:15:09PM -0500, Michael Bringmann wrote:
>> I will try that patch tomorrow. My onl
information provided by the pHyp.
Also, update initialization checks for device-tree attributes to
independently recognize PRRN or VPHN usage.
Signed-off-by: Michael Bringmann
---
Changes in V8:
-- Fix a conditional compile bug.
---
arch/powerpc/include/asm/topology.h | 14 ++
arch
will read this value and use it to ensure
that all of the desired nodes are setup in the 'node_possible_map', and
elsewhere.
Signed-off-by: Michael Bringmann
---
---
arch/powerpc/mm/numa.c | 31 +++
1 file changed, 31 insertions(+)
diff --git a/arch/powe
Processor Home Node
(VPHN) capabilities information provided by the pHyp. The VPHN handling
in Linux is disabled, if PRRN handling is present.
Signed-off-by: Michael Bringmann
Michael Bringmann (2):
powerpc/hotplug: Add option to define max nodes allowing dynamic
growth of resources.
powe
/2017 03:10 PM, Tejun Heo wrote:
> Hello,
>
> On Tue, Jun 13, 2017 at 03:04:30PM -0500, Michael Bringmann wrote:
>> @@ -3564,19 +3564,28 @@ static struct pool_workqueue
>> *alloc_unbound_pwq(struct workqueue_struct *wq,
>> static bool wq_calc_node_cpumask(const struct
will read this value and use it to ensure
that all of the desired nodes are setup in the 'node_possible_map', and
elsewhere.
Signed-off-by: Michael Bringmann
---
---
arch/powerpc/mm/numa.c | 31 +++
1 file changed, 31 insertions(+)
diff --git a/arch/powe
Processor Home Node
(VPHN) capabilities information provided by the pHyp. The VPHN handling
in Linux is disabled, if PRRN handling is present.
Signed-off-by: Michael Bringmann
Michael Bringmann (2):
powerpc/hotplug: Add option to define max nodes allowing dynamic
growth of resources.
powe
On 06/21/2017 04:52 AM, Michael Ellerman wrote:
> Michael Bringmann writes:
>
>> powerpc/hotplug: On systems like PowerPC which allow 'hot-add' of CPU
>> or memory resources, it may occur that the new resources are to be
>> inserted into nodes that were not
One of the patches was doubled and sent twice yesterday.
Will update number regardless in future.
On 06/21/2017 04:54 AM, Michael Ellerman wrote:
> Michael Bringmann writes:
>
>> On Power systems with shared configurations of CPUs and memory, there
>> are some issues w
will read this value and use it to ensure
that all of the desired nodes are setup in the 'node_possible_map', and
elsewhere.
Signed-off-by: Michael Bringmann
---
---
arch/powerpc/mm/numa.c | 31 +++
1 file changed, 31 insertions(+)
diff --git a/arch/powe
information provided by the pHyp.
Also, update initialization checks for device-tree attributes to
independently recognize PRRN or VPHN usage.
Signed-off-by: Michael Bringmann
---
Changes in V6:
-- Place extern of timed_topology_update() proto under additional #ifdef
for hotplug-cpu.
---
arch
Processor Home Node
(VPHN) capabilities information provided by the pHyp. The VPHN handling
in Linux is disabled, if PRRN handling is present.
Signed-off-by: Michael Bringmann
Michael Bringmann (2):
powerpc/hotplug: Add option to define max nodes allowing dynamic
growth of resources.
powe
information provided by the pHyp.
Also, update initialization checks for device-tree attributes to
independently recognize PRRN or VPHN usage.
Signed-off-by: Michael Bringmann
---
Changes in V6:
-- Place extern of timed_topology_update() proto under additional #ifdef
for hotplug-cpu.
---
arch
information provided by the pHyp.
Also, update initialization checks for device-tree attributes to
independently recognize PRRN or VPHN usage.
Signed-off-by: Michael Bringmann
---
Changes in V6:
-- Place extern of timed_topology_update() proto under additional #ifdef
for hotplug-cpu.
---
arch
will read this value and use it to ensure
that all of the desired nodes are setup in the 'node_possible_map', and
elsewhere.
Signed-off-by: Michael Bringmann
---
---
arch/powerpc/mm/numa.c | 31 +++
1 file changed, 31 insertions(+)
diff --git a/arch/powe
Processor Home Node
(VPHN) capabilities information provided by the pHyp. The VPHN handling
in Linux is disabled, if PRRN handling is present.
Signed-off-by: Michael Bringmann
Michael Bringmann (2):
powerpc/hotplug: Add option to define max nodes allowing dynamic
growth of resources.
powe
information provided by the pHyp.
Also, update initialization checks for device-tree attributes to
independently recognize PRRN or VPHN usage.
Signed-off-by: Michael Bringmann
---
Changes in V5:
-- Independently recognize PRRN or VPHN usage at boot time.
-- Modify interface used to trigger domain
Processor Home Node
(VPHN) capabilities information provided by the pHyp. The VPHN handling
in Linux is disabled, if PRRN handling is present.
Signed-off-by: Michael Bringmann
Michael Bringmann (2):
powerpc/hotplug: Add option to define max nodes allowing dynamic
growth of resources.
powe
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