-off-by: Nathan Fontenot
---
arch/powerpc/include/asm/topology.h |2 ++
arch/powerpc/mm/numa.c |9 +
arch/powerpc/platforms/pseries/hotplug-cpu.c | 19 +++
3 files changed, 22 insertions(+), 8 deletions(-)
diff --git a/arch/powerpc
On 10/09/2018 03:37 PM, Michael Bringmann wrote:
> migration/memory: This patch adds code that recognizes changes to
> the associativity of memory blocks described by the device-tree
> properties in order to drive equivalent 'hotplug' operations to
> update local and general kernel data structures
On 10/09/2018 03:36 PM, Michael Bringmann wrote:
> migration/memory: This patch adds a new pseries hotplug action
> for CPU and memory operations, PSERIES_HP_ELOG_ACTION_READD_MULTIPLE.
> This is a variant of the READD operation which performs the action
> upon multiple instances of the resource at
On 10/09/2018 03:36 PM, Michael Bringmann wrote:
> powerpc/drmem: Export many of the functions of DRMEM to parse
> "ibm,dynamic-memory" and "ibm,dynamic-memory-v2" during hotplug
> operations and for Post Migration events.
>
> Also modify the DRMEM initialization code to allow it to,
>
> * Be cal
On 10/10/2018 01:08 AM, Oliver O'Halloran wrote:
> This patch implements support for discovering storage class memory
> devices at boot and for handling hotplug of new regions via RTAS
> hotplug events.
>
> Signed-off-by: Oliver O'Halloran
> ---
> arch/powerpc/include/asm/firmware.h | 3 +
top_topology_update() of 'numa.c'.
>
> Signed-off-by: Michael Bringmann
Reviewed-by: Nathan Fontenot
> ---
> Changes in v02:
> -- Rebase to latest powerpc next tree.
> ---
> arch/powerpc/kernel/rtas.c|2 --
> arch/powerpc/mm/numa.c
On 10/10/2018 05:22 AM, Aravinda Prasad wrote:
> This patch exports the maximum possible amount of memory
> configured on the system via /proc/powerpc/lparcfg.
>
> Signed-off-by: Aravinda Prasad
> ---
> arch/powerpc/platforms/pseries/lparcfg.c | 13 +
> 1 file changed, 13 insertion
t;
> Fixes: c05a5a40969e ("powerpc/pseries: Dynamic add entires to associativity
> lookup array")
> Signed-off-by: YueHaibing
Reviewed-by: Nathan Fontenot nf...@linux.vnet.ibm.com>
> ---
> v3: change find_aa_index return type to bool
> v2: use 'rc' trac
On 10/02/2018 08:00 PM, Michael Ellerman wrote:
> Michael Bringmann writes:
>
>> powerpc/drmem: Export many of the functions of DRMEM to parse
>> "ibm,dynamic-memory" and "ibm,dynamic-memory-v2" during hotplug
>> operations and for Post Migration events.
>
> This isn't a criticism of your patch,
top_topology_update() of 'numa.c'.
>
> Signed-off-by: Michael Bringmann
Reviewed-by: Nathan Fontenot
> ---
> arch/powerpc/kernel/rtas.c|4
> arch/powerpc/mm/numa.c|6 ++
> arch/powerpc/platforms/pseries/mobility.c |5
his we need to track the node a LMB belongs to when
it is added to the system so we can remove it from that node instead
of the node that the device tree indicates it should belong to.
Signed-off-by: Nathan Fontenot
---
Updates:
V2: Fix builds to only track nid for LMBs when MEMORY_HOTPLUG
tioned assumption. In this unlikely case
> these offlined CPUs will not call H_JOIN, resulting in a system hang.
>
> Fix this by verifying that all the present CPUs are actually online
> after CPU-Hotplug has been disabled, failing which we restore the
> state of the offline CPUs
On 09/28/2018 02:02 AM, Gautham R Shenoy wrote:
> Hi Nathan,
>
> On Thu, Sep 27, 2018 at 12:31:34PM -0500, Nathan Fontenot wrote:
>> On 09/27/2018 11:51 AM, Gautham R. Shenoy wrote:
>>> From: "Gautham R. Shenoy"
>>>
>>> Live Partition Mi
On 09/21/2018 05:37 AM, YueHaibing wrote:
> find_aa_index will return -1 when dlpar_clone_property fails,
> its return value type should be int. Also the caller
> update_lmb_associativity_index should use a int variable to
> get it,then compared with 0.
The aa_index that we are handling here is de
ith -EBUSY.
Would we also want to havr the ability to re-try onlining all of the cpus
before failing the migration?
This would involve a bigger code change as the current code to online all
CPUs would work in its current form.
-Nathan
>
> Cc: Nathan Fontenot
> Cc: Tyrel Datwyler
> Sugge
On 09/19/2018 11:38 PM, Michael Ellerman wrote:
> Nathan Fontenot writes:
>
>> When removing memory we need to remove the memory from the node
>> it was added to instead of looking up the node it should be in
>> in the device tree.
>>
>> During testing we ha
On 09/24/2018 03:56 AM, Gautham R Shenoy wrote:
> Hi Michael,
>
> On Mon, Sep 24, 2018 at 05:00:42PM +1000, Michael Ellerman wrote:
>> Nathan Fontenot writes:
>>> On 09/18/2018 05:32 AM, Gautham R Shenoy wrote:
>>>> Hi Nathan,
>>>> On Tue, Sep
On 09/18/2018 05:32 AM, Gautham R Shenoy wrote:
> Hi Nathan,
> On Tue, Sep 18, 2018 at 1:05 AM Nathan Fontenot
> wrote:
>>
>> When performing partition migrations all present CPUs must be online
>> as all present CPUs must make the H_JOIN call as part of the migration
&
migration
process.
Signed-off-by: Nathan Fontenot
---
arch/powerpc/kernel/rtas.c |2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c
index 8afd146bc9c7..2c7ed31c736e 100644
--- a/arch/powerpc/kernel/rtas.c
+++ b/arch/powerpc/kernel
his we need to track the node a LMB belongs to when
it is added to the system so we can remove it from that node instead
of the node that the device tree indicates it should belong to.
Signed-off-by: Nathan Fontenot
---
arch/powerpc/include/asm/drmem.h|1 +
arch/powerpc/mm/d
workqueue, the other cases can handle the
dlpar request directly.
This patch exports the handle_dlpar_errorlog() function so that
dlpar hotplug events can be handled directly and updates the two
instances mentioned above to use the direct invocation.
Signed-off-by: Nathan Fontenot
---
arch/powerpc
When a PRRN event is received we are already running in a worker
thread. Instead of spawning off another worker thread on the prrn_work
workqueue to handle the PRRN event we can just call the PRRN handler
routine directly.
With this update we can also pass the scope variable for the PRRN
event dir
4
Instruction dump: 4 5:47 122
X4XX
X5XX 6000 6000 6000 6000
-Nathan
---
Nathan Fontenot (2):
powerpc/pseries: Remove prrn_work workqu
workqueue, the other cases can handle the
dlpar request directly.
This patch exports the handle_dlpar_errorlog() function so that
dlpar hotplug events can be handled directly and updates the two
instances mentioned above to use the direct invocation.
Signed-off-by: Nathan Fontenot
---
arch/powerpc
When a PRRN event is received we are already running in a worker
thread. Instead of spawning off another worker thread on the prrn_work
workqueue to handle the PRRN event we can just call the PRRN handler
routine directly.
With this update we can also pass the scope variable for the PRRN
event dir
operations are complete, not after handler is
scheduled.
-Remove call to flush_work, the previous broken method of serializing
PRRN events.
Nathan Fontenot (2):
powerpc/pseries: Remove prrn_work workqueue
powerpc/pseries:Remove unneeded uses of dlpar work queue
arch/powerpc
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 continuously,
> hotplug events have been o
On 07/13/2018 03:18 PM, Michael Bringmann wrote:
pmt/numa: Disable arch_update_cpu_topology during post migration
CPU readd updates when evaluating device-tree changes after LPM
to avoid thread deadlocks trying to update node assignments.
System timing between all of the threads and timers restar
On 07/13/2018 03:18 PM, Michael Bringmann wrote:
migration/dlpar: This patch adds function dlpar_queue_action()
which will queued up information about a CPU/Memory 'readd'
operation according to resource type, action code, and DRC index.
At a subsequent point, the list of operations can be run/pl
On 07/13/2018 03:17 PM, Michael Bringmann wrote:
powerpc/cpu: Modify dlpar_cpu_add and dlpar_cpu_remove to allow the
skipping of DRC index acquire or release operations during the CPU
add or remove operations. This is intended to support subsequent
changes to provide a 'CPU readd' operation.
Si
observed to be queued faster than the kernel can
actually handle them. This patch avoids the problem by waiting for a
hotplug request to complete before queueing more hotplug events.
Signed-off-by: John Allen
Reviewed-by: Nathan Fontenot
---
arch/powerpc/platforms/pseries/mobility.c | 5 -
1
Reviewed-by: Nathan Fontenot
---
v2:
-Unlock prrn_lock when PRRN operations are complete, not after handler is
scheduled.
-Remove call to flush_work, the previous broken method of serializing
PRRN events.
---
arch/powerpc/kernel/rtasd.c | 10 +++---
1 file changed, 7
On 06/12/2018 05:28 AM, Balbir Singh wrote:
>
>
> On 11/06/18 17:41, vrbagal1 wrote:
>> On 2018-06-08 17:45, Oscar Salvador wrote:
>>> On Fri, Jun 08, 2018 at 05:11:24PM +0530, vrbagal1 wrote:
On 2018-06-08 16:58, Oscar Salvador wrote:
> On Fri, Jun 08, 2018 at 04:44:24PM +0530, vrbagal1
On 05/22/2018 11:37 AM, Michael Bringmann wrote:
> This patch extends the use of a common parse function for the
> ibm,drc-info property that can be modified by a callback function
> to the hotplug device processing. Candidate code is replaced by
> a call to the parser including a pointer to a loc
On 05/22/2018 11:37 AM, Michael Bringmann wrote:
> This patch applies a common parse function for the ibm,drc-info
> property that can be modified by a callback function to the
> hot-add CPU code. Candidate code is replaced by a call to the
> parser including a pointer to a local context-specific
On 05/22/2018 11:37 AM, Michael Bringmann wrote:
> This patch provides a common parse function for the ibm,drc-info
> property that can be modified by a callback function. The caller
> provides a pointer to the function and a pointer to their unique
> data, and the parser provides the current lmb
On 05/22/2018 11:37 AM, Michael Bringmann wrote:
> This patch provides a common parse function for the ibm,drc-info
> property that can be modified by a callback function. The caller
> provides a pointer to the function and a pointer to their unique
> data, and the parser provides the current lmb
On 05/22/2018 11:37 AM, Michael Bringmann wrote:
> Replace use of of_prop_next_u32() in when parsing 'ibm,drc-info'
> structure to simplify and reduce parsing code.
>
You mention that this patch is to fix the parsing of the drc-info struct, but
you end up
making changes to the parsing code in pse
On 05/21/2018 12:52 PM, Michael Bringmann wrote:
> powerpc/cpu: Modify dlpar_cpu_add and dlpar_cpu_remove to allow the
> skipping of DRC index acquire or release operations during the CPU
> add or remove operations. This is intended to support subsequent
> changes to provide a 'CPU readd' operatio
Hi Michael,
I sent this patch out several weeks ago, just wanted to make sure it hasn't
fallen
off your radar.
Thanks,
-Nathan
On 04/20/2018 03:29 PM, Nathan Fontenot wrote:
> The updates to powerpc numa and memory hotplug code now use the
> in-kernel LMB array instead of the device
On 05/17/2018 05:41 PM, Michael Bringmann wrote:
> [Replace/withdraw previous patch submission to ensure that testing
> of related patches on similar hardware progresses together.]
>
> This patch fixes a memory parsing bug when using of_prop_next_u32
> calls at the start of a structure. Depending
On 05/17/2018 05:26 PM, Michael Bringmann wrote:
> powerpc migration/cpu: Now apply changes to the associativity of cpus
> for the topology of LPARS in Post Migration events. Recognize more
> changes to the associativity of memory blocks described by the
> 'cpu' properties when processing the topo
On 05/17/2018 05:26 PM, Michael Bringmann wrote:
> powerpc migration/drmem: Export many of the functions of DRMEM to
> parse "ibm,dynamic-memory" and "ibm,dynamic-memory-v2" during
> hotplug operations and for Post Migration events.
>
> Also modify the DRMEM initialization code to allow it to,
>
On 04/24/2018 04:35 PM, Michael Bringmann wrote:
> See below.
>
> On 04/24/2018 12:17 PM, Nathan Fontenot wrote:
>> On 02/26/2018 02:53 PM, Michael Bringmann wrote:
>>> postmigration/memory: Now apply changes to the associativity of memory
>>> blocks descri
On 04/24/2018 04:33 PM, Michael Bringmann wrote:
> See comments below:
>
> On 04/24/2018 11:56 AM, Nathan Fontenot wrote:
>> On 02/26/2018 02:52 PM, Michael Bringmann wrote:
>>> hotplug/mobility: Recognize more changes to the associativity of
>>> memory blocks des
On 02/26/2018 02:53 PM, Michael Bringmann wrote:
> postmigration/memory: Now apply changes to the associativity of memory
> blocks described by the 'ibm,dynamic-memory-v2' property regarding
> the topology of LPARS in Post Migration events.
>
> * Extend the previous work done for the 'ibm,associat
On 02/26/2018 02:53 PM, Michael Bringmann wrote:
> postmigration/memory: In an LPAR migration scenario, the property
> "ibm,associativity-lookup-arrays" may change. In the event that a
> row of the array differs, locate all assigned memory blocks with that
> 'aa_index' and 're-add' them to the s
On 02/26/2018 02:52 PM, Michael Bringmann wrote:
> hotplug/mobility: Recognize more changes to the associativity of
> memory blocks described by the 'ibm,dynamic-memory' and 'cpu'
> properties when processing the topology of LPARS in Post Migration
> events. Previous efforts only recognized whethe
ingle new property is created
when a DLPAR request completes successfully.
Signed-off-by: Nathan Fontenot
---
arch/powerpc/include/asm/drmem.h|5 ++
arch/powerpc/platforms/pseries/hotplug-memory.c | 55 +++
2 files changed, 21 insertions(+), 39 dele
bit already exists DRCONF_MEM_RESERVED. Since
> both DRMEM_LMB_RESERVED and DRCONF_MEM_RESERVED operate on the same
> LMB flags word, rename the former to DRMEM_LMB_ISOLATED.
>
> Signed-off-by: Bharata B Rao
Reviewed-by: Nathan Fontenot
> ---
> arch/powerpc/include/a
mory is added, it leads to one entry for 3 LMBs
> and 1 separate entry for the last LMB. All the 4 LMBs should be
> defined by one entry here.
>
> Fix this by always accessing the flags by its accessor method
> drmem_lmb_flags().
>
> Signed-off-by: Bharata B Rao
Reviewed-by:
linux,phandle = <0x7e57eed8>;
ibm,associativity-lookup-arrays = <0x1 0x4 0x0 0x0 0x0 0x0>;
ibm,memory-preservation-time = <0x0>;
};
Signed-off-by: Nathan Fontenot
---
arch/powerpc/mm/drmem.c |8
1 file changed, 8 insertions(+)
diff --git a/arch/
On 02/14/2018 03:37 PM, Tyrel Datwyler wrote:
> On 02/13/2018 10:15 PM, Cyril Bur wrote:
>> On Tue, 2018-02-13 at 21:12 -0800, Tyrel Datwyler wrote:
>>> On 02/13/2018 05:20 PM, Cyril Bur wrote:
Hello all,
>>>
>>> Does reverting commit 02ef6dd8109b581343ebeb1c4c973513682535d6 alleviate
>>> the
On 02/14/2018 03:30 PM, Tyrel Datwyler wrote:
> On 12/03/2017 09:13 PM, Michael Ellerman wrote:
>> Nathan Fontenot writes:
>>
>>> This patch set provides a series of updates to de-couple the LMB
>>> information provided in the device tree property from the devi
can define it as a no-op for SPLAPR=n builds.
Fixes: e67e02a ("powerpc/pseries: Fix cpu hotplug crash with memoryless nodes")
Signed-off-by: Nathan Fontenot
---
arch/powerpc/include/asm/topology.h |9 +
arch/powerpc/platforms/pseries/hotplug-cpu.c |3 +--
On 01/27/2018 02:58 AM, Michael Ellerman wrote:
> Nathan Fontenot writes:
>
>> When DLPAR removing a CPU, the unmapping of the cpu from a node in
>> unmap_cpu_from_node() should also invalidate the CPUs entry in the
>> numa_cpu_lookup_table. There is not a guarantee that
does not match the device tree
or the topology reported by the HMC.
Signed-off-by: Nathan Fontenot
---
Originally sent Dec. 5 2017, no reply, resending.
Updates for V2: Move the invalidation from unmap_cpu_from_node to
pseries_remove_processor, the former routine is also called during cpu
offline
On 01/08/2018 11:19 AM, Michael Bringmann wrote:
> Add code to parse the new property 'ibm,thread-groups" when it is
> present. The content of this property explicitly defines the number
> of threads per core as well as the PowerPC 'threads_core_mask'.
> The design provides a common device-tree fo
CPU-less at the point when we are trying to hot-add a new CPU to it.
>
> Signed-off-by: Michael Bringmann
Reviewed-by: Nathan Fontenot
> ---
> Changes in V8:
> -- Change a 'printk(KERN_INFO ...)' statement to be a pr_debug()
> statement.
> -- Rename
e, the
> try_online_node operation occurs wholly within the CPU locks with no
> overlap. Using HMC hot-add/hot-remove operations, we have been able
> to add and remove CPUs to any possible node without failures. HMC
> operations involve a degree self-serialization, though.
>
> Signed
gt;
> presently seen in the function arch/powerpc/mm/numa.c:initmem_init().
>
> If the "ibm,max-associativity-domains" property is not present at boot,
> no operation will be performed to define or enable additional nodes, or
> enable the above 'nodes_and()'.
&
Hi Michael,
I hadn't seen any update on this patch, just wanted to make sure you saw it.
-Nathan
On 12/05/2017 09:33 PM, Nathan Fontenot wrote:
> When DLPAR removing a CPU we need to invalidate its entry in the
> numa_cpu_lookup_table. There is no guarantee that on a subsequent
>
.
This patch move the update_numa_cpu_lookup_table to topology.h so it is
available outside of numa.c. A call to this routine is added in
pseries_remove_processor().
Signed-off-by: Nathan Fontenot
---
Updates for V2: Move the invalidation from unmap_cpu_from_node to
pseries_remove_processor, the
Disregard. I'll send an updated patch soon.
-Nathan
On 12/05/2017 02:55 PM, Nathan Fontenot wrote:
> When DLPAR removing a CPU, the unmapping of the cpu from a node in
> unmap_cpu_from_node() should also invalidate the CPUs entry in the
> numa_cpu_lookup_table. There is not a guara
does not match the device tree
or the topology reported by the HMC.
Signed-off-by: Nathan Fontenot
---
arch/powerpc/mm/numa.c |2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index adb6364f4091..415b1a76b429 100644
--- a/arch/powerpc/mm/numa.c
Add required bits to the architecture vector to enable support
of the ibm,dynamic-memory-v2 device tree property.
Signed-off-by: Nathan Fontenot
---
arch/powerpc/include/asm/firmware.h |3 ++-
arch/powerpc/include/asm/prom.h |1 +
arch/powerpc/kernel/prom_init.c
proper format for
ibm,dynamic-memory-v2.
Signed-off-by: Nathan Fontenot
---
Updates for V3: Provide parsing routines for ibm,dynamic-memory-v2
to be called from the walk_drmem_lmb* routines.
arch/powerpc/include/asm/drmem.h | 12 ++
arch/powerpc/mm/drmem.c | 192
for version 2 of the dynamic
reconfiguration property and the members are typed as __be*
values to reflect how they exist in the device tree.
Signed-off-by: Nathan Fontenot
---
arch/powerpc/include/asm/drmem.h| 18 ++
arch/powerpc/include/asm/prom.h
proper device tree format and
generate a properly formatted device tree property.
Signed-off-by: Nathan Fontenot
---
Updates for V2: Correct build issues with uninitialized variables
arch/powerpc/include/asm/drmem.h| 18 +
arch/powerpc/mm/drmem.c | 80
tree
format.
Signed-off-by: Nathan Fontenot
---
Updates for V3: Convert numa.c to use walk_drmem_lmbs routine and
add the late init call for allocating the LMB array.
Updates for V2: Removed unused device node paramter to
numa_setup_drmem_lmbs() and hot_add_drconf_scn_to_nid().
arch/powerpc
retrieving LMB information.
This patch introduces a routine to walk the ibm,dynamic-memory
property in the flattened device tree and updates the prom.c code
to use this to initialize memory.
Signed-off-by: Nathan Fontenot
---
Updates for V3: Converted from doing a bootmem allocation early in
Look up the associativity arrays in of_drconf_to_nid_single when
deriving the nid for a LMB instead of having it passed in as a
parameter.
Signed-off-by: Nathan Fontenot
---
arch/powerpc/mm/numa.c | 40 +---
1 file changed, 17 insertions(+), 23 deletions
Look up the device node for the usable memory property instead
of having it passed in as a parameter. This changes precedes an update
in which the calling routines for of_get_usable_memory() will not have
the device node pointer to pass in.
Signed-off-by: Nathan Fontenot
---
arch/powerpc/mm
Look up the device node for the associativity array property instead
of having it passed in as a parameter. This changes precedes an update
in which the calling routines for of_get_assoc_arrays() will not have
the device node pointer to pass in.
Signed-off-by: Nathan Fontenot
---
arch/powerpc
updating the new drmem.c code to be able to parse
and create this new device tree format.
The last patch in the series updates the architecture vector to indicate
support for ibm,dynamic-memory-v2.
-Nathan
---
Nathan Fontenot (9):
powerpc/numa: Look up device node in of_get_assoc_arrays
On 11/28/2017 05:07 PM, Michael Bringmann wrote:
> rpadlpar_core.c: Provide parallel routines to search the older device-
> tree properties ("ibm,drc-indexes", "ibm,drc-names", "ibm,drc-types"
> and "ibm,drc-power-domains"), or the new property "ibm,drc-info".
>
> The interface to examine the DR
On 11/28/2017 05:07 PM, Michael Bringmann wrote:
> pseries/drc-info: Provide parallel routines to convert between
> drc_index and CPU numbers at runtime, using the older device-tree
> properties ("ibm,drc-indexes", "ibm,drc-names", "ibm,drc-types"
> and "ibm,drc-power-domains"), or the new property
On 11/16/2017 11:28 AM, Michael Bringmann wrote:
> On powerpc systems with shared configurations of CPUs and memory and
> memoryless nodes at boot, an event ordering problem was observed on
> a SLES12 build platforms with the hot-add of CPUs to the memoryless
> nodes.
>
> * The most common error o
On 11/16/2017 11:27 AM, Michael Bringmann wrote:
> On powerpc systems 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 resources at bootup. Many different configurations of
> PowerPC resources may need to be supported
On 11/16/2017 11:24 AM, Michael Bringmann wrote:
> On powerpc systems 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 used for these resources at bootup. In the kernel,
> any node that is used must be defined a
We may want to wait on this patch. I have been working on patches to separate
the LMB information from the device tree property format. Once those patches
are acceptable we can use a common routine for affinity updates.
-Nathan
On 11/16/2017 11:51 AM, Michael Bringmann wrote:
> postmigration/memo
On 11/16/2017 11:50 AM, Michael Bringmann wrote:
> hotplug/mobility: Recognize more changes to the associativity of
> memory blocks described by the 'ibm,dynamic-memory' and 'cpu'
> properties when processing the topology of LPARS in Post Migration
> events. Previous efforts only recognized whethe
On 11/16/2017 02:11 PM, Michael Bringmann wrote:
> rpadlpar_core.c: Provide parallel routines to search the older device-
> tree properties ("ibm,drc-indexes", "ibm,drc-names", "ibm,drc-types"
> and "ibm,drc-power-domains"), or the new property "ibm,drc-info".
>
> The interface to examine the DRC
On 11/16/2017 02:11 PM, Michael Bringmann wrote:
> pseries/drc-info: Provide parallel routines to convert between
> drc_index and CPU numbers at runtime, using the older device-tree
> properties ("ibm,drc-indexes", "ibm,drc-names", "ibm,drc-types"
> and "ibm,drc-power-domains"), or the new property
On 11/16/2017 10:51 PM, Bharata B Rao wrote:
>
> On Thu, Nov 16, 2017 at 9:31 PM, Nathan Fontenot <mailto:nf...@linux.vnet.ibm.com>> wrote:
>
>
>
> On 11/15/2017 11:37 PM, Bharata B Rao wrote:
> > On Fri, Oct 20, 2017 at 6:51 PM, Nathan Fontenot
On 11/15/2017 12:09 PM, Michael Bringmann wrote:
> rpadlpar_core.c: Provide parallel routines to search the older device-
> tree properties ("ibm,drc-indexes", "ibm,drc-names", "ibm,drc-types"
> and "ibm,drc-power-domains"), or the new property "ibm,drc-info".
>
> The interface to examine the DR
On 11/15/2017 12:09 PM, Michael Bringmann wrote:
> pseries/drc-info: Provide parallel routines to convert between
> drc_index and CPU numbers at runtime, using the older device-tree
> properties ("ibm,drc-indexes", "ibm,drc-names", "ibm,drc-types"
> and "ibm,drc-power-domains"), or the new property
On 11/15/2017 12:09 PM, Michael Bringmann wrote:
> Firmware Features: Define new bit flag representing the presence of
> new device tree property "ibm,drc-info". The flag is used to tell
> the front end processor whether the Linux kernel supports the new
> property, and by the front end processor
On 11/15/2017 12:28 PM, Michael Bringmann wrote:
> Hello:
> See below.
>
> 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 in
On 11/15/2017 11:37 PM, Bharata B Rao wrote:
> On Fri, Oct 20, 2017 at 6:51 PM, Nathan Fontenot <mailto:nf...@linux.vnet.ibm.com>> wrote:
>
> This patch set provides a set of updates to de-couple the LMB information
> provided in the ibm,dynamic-memory device t
On 11/10/2017 01:13 PM, Desnes Augusto Nunes do Rosário wrote:
>
>
> On 11/10/2017 12:54 PM, Nathan Fontenot wrote:
>> On 11/10/2017 08:41 AM, Desnes Augusto Nunes do Rosário wrote:
>>>
>>>
>>> On 11/09/2017 06:31 PM, Nathan Fontenot wrote:
>>&g
On 11/12/2017 06:43 AM, Michael Ellerman wrote:
> Hi Nathan,
>
> Nathan Fontenot writes:
>> diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
>> index f83056297441..917184c13890 100644
>> --- a/arch/powerpc/kernel/prom.c
>> +++ b/arch/po
On 11/10/2017 08:41 AM, Desnes Augusto Nunes do Rosário wrote:
>
>
> On 11/09/2017 06:31 PM, Nathan Fontenot wrote:
>> On 11/09/2017 01:00 PM, Desnes Augusto Nunes do Rosario wrote:
>>> This patch implements and enables VDP support for the ibmvnic driver.
>&
On 11/09/2017 01:00 PM, Desnes Augusto Nunes do Rosario wrote:
> This patch implements and enables VDP support for the ibmvnic driver.
> Moreover, it includes the implementation of suitable structs, signal
> transmission/handling and functions which allows the retrival of firmware
> information f
On 10/24/2017 01:08 AM, Michael Ellerman wrote:
> Nathan Fontenot writes:
>
>> diff --git a/arch/powerpc/mm/drmem.c b/arch/powerpc/mm/drmem.c
>> new file mode 100644
>> index ..8ad7cf36b2c4
>> --- /dev/null
>> +++ b/arch/powerpc/mm/drmem.c
>&
Add required bits to the architecture vector to enable support
of the ibm,dynamic-memory-v2 device tree property.
Signed-off-by: Nathan Fontenot
---
arch/powerpc/include/asm/firmware.h |3 ++-
arch/powerpc/include/asm/prom.h |1 +
arch/powerpc/kernel/prom_init.c
tree property
in this format.
Signed-off-by: Nathan Fontenot
---
arch/powerpc/include/asm/drmem.h | 12 ++
arch/powerpc/mm/drmem.c | 188 ++
2 files changed, 182 insertions(+), 18 deletions(-)
diff --git a/arch/powerpc/include/asm/drmem.h b/arch
for version 2 of the dynamic
reconfiguration property.
Signed-off-by: Nathan Fontenot
---
arch/powerpc/include/asm/drmem.h| 18 ++
arch/powerpc/include/asm/prom.h | 16
arch/powerpc/mm/drmem.c |4
proper device tree format and
generate a properly formatted device tree property.
Signed-off-by: Nathan Fontenot
---
Updates for V2: Correct build issues with uninitialized variables
---
arch/powerpc/include/asm/drmem.h| 18 +
arch/powerpc/mm/drmem.c
LMB information.
This patch also prepares the numa code for support of the
version 2 dynamic reconfiguration memory property.
Signed-off-by: Nathan Fontenot
---
Updates for V2: Removed unused device node paramter to
numa_setup_drmem_lmbs() and hot_add_drconf_scn_to_nid().
---
arch/powerpc
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