is *one* board *one*
time), or to find somebody who can desolder the flash chip so that I
can reflash it with an offline programmer (which I'd really prefer to
avoid).
Thanks so much,
-- Nathan
Signed-off-by: Nathan Fontenot
---
arch/powerpc/platforms/pseries/hotplug-memory.c | 11 +++
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c
b/arch/powerpc/platforms/pseries/hotplug-memory.c
index 742ef88..5cefcad 100644
--- a
on next week.
> Signed-off-by: Alexey Kardashevskiy
Acked-by: Nathan Fontenot
> ---
>
> This is made against ad30cb99465 (mpe/next) and can be squashed into
> 51925fb3c5
> if not too late.
>
>
> ---
> arch/powerpc/platforms/pseries/hotplug-memory.c | 13 ++
-connector
before making the set-indicator calls which results in invalid data in the
ibm,associativity property for the cpu we're adding.
This patch corrects the order of operations to make the set-indicator
calls (done in acquire_drc) before calling configure-connector.
Signed-off-by: Nathan Fon
On 04/28/2015 11:53 PM, Michael Ellerman wrote:
> Subject should be "powerpc/pseries: ..." please.
ok
>
> On Tue, 2015-04-28 at 10:37 -0500, Nathan Fontenot wrote:
>> The incorrect ordering of operations during cpu dlpar causes the affinity
>> of cpus being add
calls (done in dlpar_acquire_drc) before calling rtas configure-connector.
Fixes: 1a8061c46c46 ("powerpc/pseries: Add kernel based CPU DLPAR handling")
Signed-off-by: Nathan Fontenot
---
arch/powerpc/platforms/pseries/dlpar.c | 10 --
1 file changed, 4 insertions(+), 6
arent
node aware")
Signed-off-by: Nathan Fontenot
---
arch/powerpc/platforms/pseries/dlpar.c |3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/arch/powerpc/platforms/pseries/dlpar.c
b/arch/powerpc/platforms/pseries/dlpar.c
index 019d34a..47d9cebe 100644
--- a/ar
by storing the current policy and only calling
> start_topology_update() in the case where either PRRN/VPHN were enabled to
> start with.
>
> Fixes: e04fa61214a3 (powerpc/pseries: Add /proc interface to control topology
> updates)
>
> Signed-off-by: Tyrel Datwyler
>
ving or updating a device tree node we look up the node by ibm,phandle and
without this patch we wouldn't find these nodes.
I have not seen any issues because of this but I think pushing this to stable
would be good.
-Nathan
___
Linuxppc-dev mailing list
Linuxppc-dev@lists.ozlabs.org
https://lists.ozlabs.org/listinfo/linuxppc-dev
On 08/25/2014 02:22 AM, Li Zhong wrote:
> With commit 2fabf084b, during boottime, cpu_numa_callback() is called
> earlier(before their online) for each cpu, and verify_cpu_node_mapping()
> uses cpu_to_node() to check whether siblings are in the same node.
>
> It skips the checking for siblings th
drc_index value passed to
dlpar_configure_connector is pulled directly out of a buffer we get from
firmware. This would mean the drc_index value is already in BE format.
Whereas for cpu hotplug the drc_index value is passed in from userspace
via the cpu probe interface in sysfs. I assume that you
ot;, path, name);
> if (!dn->full_name) {
> kfree(dn);
> @@ -148,7 +148,7 @@ struct device_node *dlpar_configure_connector(u32
> drc_index,
> return NULL;
>
> ccwa = (struct cc_workarea *)&data_buf[0];
> - ccwa->drc_index = drc_in
routine
for handling rtas hotplug events.
-Nathan
Patch 1/5
- Add definition of hotplug rtas event sections.
Patch 2/5
- export the dlpar_[acquire|release]drc() routines.
Patch 3/5
- Create the new /proc/powerpc/dlpar interface
Patch 4/5
- Implement memory hotplug add in the kernel.
Patch 5/5
In order to handle device hotplug in the kernel on pseries the hotplug
notification will be communicated to the kernel in the form of a
rtas hotplug event. This patch adds the definition of rtas hotplug event
sections.
Signed-off-by: Nathan Fontenot
---
arch/powerpc/include/asm/rtas.h | 26
Export the routines to acquire and release a drc index.
Signed-off-by: Nathan Fontenot
---
arch/powerpc/platforms/pseries/pseries.h |2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/powerpc/platforms/pseries/pseries.h
b/arch/powerpc/platforms/pseries/pseries.h
index 361add6
handling stub.
For PowerVM this patch also creates a new /proc file that the drmgr
command will use to write rtas hotplug events to.
For future PowerKVM handling the rtas check-exception code can pass
any rtas hotplug events received to handle_dlpar_errorlog().
Signed-off-by: Nathan Fontenot
all of the work to the kernel we can do the
add and remove faster, and provide a common place to do memory hotplug
for both the PowerVM and PowerKVM environments.
Signed-off-by: Nathan Fontenot
---
arch/powerpc/platforms/pseries/hotplug-memory.c | 170 +++
1 file changed, 170
all of the work to the kernel we can do the
add and remove faster, and provide a common place to do memory hotplug
for both the PowerVM and PowerKVM environments.
Signed-off-by: Nathan Fontenot
---
arch/powerpc/platforms/pseries/hotplug-memory.c | 140 +++
1 file changed, 139
gt; @@ -54,7 +54,7 @@ static void pnv_smp_setup_cpu(int cpu)
> #endif
> }
>
> -int pnv_smp_kick_cpu(int nr)
> +static int pnv_smp_kick_cpu(int nr)
> {
> unsigned int pcpu = get_hard_smp_processor_id(nr);
> unsigned long start_here =
> diff --git a/arch/p
; {
> - start_topology_update();
> - proc_create("powerpc/topology_updates", 0644, NULL, &topology_ops);
> + if (topology_updates_enabled) {
> + start_topology_update();
> + proc_create("powerp
On 09/17/2014 02:06 AM, Michael Ellerman wrote:
>
> On Mon, 2014-09-15 at 15:29 -0500, Nathan Fontenot wrote:
>> diff --git a/arch/powerpc/include/asm/rtas.h
>> b/arch/powerpc/include/asm/rtas.h
>> index b390f55..a01879e 100644
>> --- a/arch/powerpc/include/as
On 09/17/2014 02:07 AM, Michael Ellerman wrote:
>
> On Mon, 2014-09-15 at 15:30 -0500, Nathan Fontenot wrote:
>> diff --git a/arch/powerpc/platforms/pseries/pseries.h
>> b/arch/powerpc/platforms/pseries/pseries.h
>> index 361add6..b94516b 100644
>> --- a/arch/power
On 09/17/2014 02:07 AM, Michael Ellerman wrote:
>
> On Mon, 2014-09-15 at 15:31 -0500, Nathan Fontenot wrote:
>> For pseries system the kernel will be notified of hotplug requests in
>> the form of rtas hotplug events.
>
> Can you flesh that design out a bit for me,
On 09/17/2014 02:07 AM, Michael Ellerman wrote:
>
> On Mon, 2014-09-15 at 15:32 -0500, Nathan Fontenot wrote:
>> This patch adds the ability to do memory hotplug adding in the kernel.
>>
>> Currently the hotplug add/remove of memory is handled by the drmgr
>> comma
On 09/17/2014 02:07 AM, Michael Ellerman wrote:
>
> On Mon, 2014-09-15 at 15:33 -0500, Nathan Fontenot wrote:
>> This patch adds the ability to do memory hotplug remove in the kernel.
>>
>> Currently the hotplug add/remove of memory is handled by the drmgr
>> comma
On 09/22/2014 08:15 PM, Tyrel Datwyler wrote:
> On 09/17/2014 12:15 PM, Nathan Fontenot wrote:
>> On 09/17/2014 02:07 AM, Michael Ellerman wrote:
>>>
>>> On Mon, 2014-09-15 at 15:31 -0500, Nathan Fontenot wrote:
>>>> For pseries system the kernel will be n
Rao
> Signed-off-by: Thomas Falcon
Acked-by: Nathan Fontenot
> ---
>
> Changes in v2:
> - Don't convert drc_index to BE in dlpar_configure_connector() but instead
> convert in the caller dlpar_cpu_probe() so that migration path isn't
> affected.
> - Mark
On 09/16/2014 03:15 PM, Thomas Falcon wrote:
> The ibm,ppc-interrupt-server#s property is in big endian format.
> These values need to be converted when used by little endian
> architectures.
>
> Signed-off-by: Thomas Falcon
Acked-by: Nathan Fontenot
> ---
> Changes
On 09/16/2014 03:15 PM, Thomas Falcon wrote:
> When removing a cpu, this patch makes sure that values
> gotten from or passed to firmware are in the correct
> endian format.
>
> Signed-off-by: Thomas Falcon
Acked-by: Nathan Fontenot
> ---
> Changes in v3:
>
> drc
On 09/17/2014 02:07 AM, Michael Ellerman wrote:
>
> On Mon, 2014-09-15 at 15:32 -0500, Nathan Fontenot wrote:
>> This patch adds the ability to do memory hotplug adding in the kernel.
>>
>> Currently the hotplug add/remove of memory is handled by the drmgr
>> comma
On 10/17/2014 06:19 PM, Dan Streetman wrote:
> Change maintainer of nx-842 compression coprocessor driver
> to Dan Streetman.
>
> Signed-off-by: Dan Streetman
> Cc: Nathan Fontenot
Acked-by: Nathan Fontenot
> ---
> MAINTAINERS | 2 +-
> 1 file changed, 1
rom cpu_probe|release_store.
>
> This patch fixes errors on PowerVM systems that have cpu(s) added/removed
> using dlpar operations; without this patch, the
> /sys/devices/system/cpu/cpuN/online nodes do not correctly show the
> online state of added/removed cpus.
>
> Signed-off-by:
routine
for handling rtas hotplug events.
-Nathan
Patch 1/6
- Add definition of hotplug rtas event sections.
Patch 2/6
- Update struct of_drconf_cell to use __be64/__be32
Patch 3/6
- Export the dlpar_[acquire|release]drc() routines.
Patch 4/6
- Create the new /sys/kernel/dlpar interface
Patch
In order to handle device hotplug in the kernel on pseries hotplug
notifications will be communicated to the kernel in the form of a
rtas hotplug events. This patch adds the definition of rtas hotplug event
sections.
Signed-off-by: Nathan Fontenot
---
arch/powerpc/include/asm/rtas.h | 26
The of_drconf_cell defines each LMB for a system in the device tree property
ibm,dynamic-reconfiguration-memory/ibm,dynamic-memory. The values are
in BE format by definition, this patch updates the of_drconf_cell struct
to reflect the proper endian-ness.
Signed-off-by: Nathan Fontenot
---
arch
requests on PowerVM
systems.
Signed-off-by: Nathan Fontenot
---
arch/powerpc/platforms/pseries/dlpar.c | 72 ++-
arch/powerpc/platforms/pseries/hotplug-memory.c | 19 ++
arch/powerpc/platforms/pseries/pseries.h| 10 +++
3 files changed, 99 insertions(+), 2
Export the routines to acquire and release a drc index.
Signed-off-by: Nathan Fontenot
---
arch/powerpc/platforms/pseries/pseries.h |2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/powerpc/platforms/pseries/pseries.h
b/arch/powerpc/platforms/pseries/pseries.h
index 1796c54
hotplug event. This is needed because we do not need to do the
work in the of notifier, this work is already performed in handling the
hotplug request. At a later time we can remove this when we deprecate the
previous method of memory hotplug.
Signed-off-by: Nathan Fontenot
---
arch/powerpc/platforms
via rtas
hotplug events. This allows us to perform the operation faster and provide
a common memory hotplug remove path for PowerVM and PowerKVM systems.
Signed-off-by: Nathan Fontenot
---
arch/powerpc/platforms/pseries/hotplug-memory.c | 206 ++-
1 file changed, 201
On 11/17/2014 04:53 PM, Gavin Shan wrote:
> On Mon, Nov 17, 2014 at 03:51:42PM -0600, Nathan Fontenot wrote:
>> Create a new entry point for device hotplug on pseries that will
>> work for both PowerVM and PowerKVM systems.
>>
>> The current process to hotplug (or dl
On 11/17/2014 08:00 PM, Cyril Bur wrote:
> Hi Nathan,
>
> I tried to apply these to Linus' tree and Mpes tree and to stable and
> got several problems, I got stuck at the third hunk in patch 5.
I based these patches off of mpe's -next tree. I did a fresh pull of
mpe's
On 11/21/2014 01:49 AM, Cyril Bur wrote:
>
> On Mon, 2014-11-17 at 15:51 -0600, Nathan Fontenot wrote:
>> Create a new entry point for device hotplug on pseries that will
>> work for both PowerVM and PowerKVM systems.
>>
>> The current process to hotplug (or dlpa
On 11/21/2014 01:49 AM, Cyril Bur wrote:
>
> On Mon, 2014-11-17 at 15:54 -0600, Nathan Fontenot wrote:
>> Move handling of memory hotplug add on pseries completely into the kernel.
>>
>> The current memory hotplug add path involves the drmgr command doing part
>>
On 11/21/2014 01:49 AM, Cyril Bur wrote:
>
> On Mon, 2014-11-17 at 15:56 -0600, Nathan Fontenot wrote:
>> Move handling of memory hotplug remove on pseries completely into the kernel.
>>
>> The current memory hotplug remove path involves the drmgr command doing part
>
rt/bug on !update->dn / update->prop ?
>
> (Same for the rest of the patch)
>
> Or do you reckon it's pointless ?
>
I'm not sure it's worth it, if those are NULL pointers the drivers/of
code would have tried t
On 11/26/2014 09:12 PM, Benjamin Herrenschmidt wrote:
> Hi Greg,
>
> So Nathan is working on a patch series to cleanup and improve our
> "DLPAR" infrastructure which is basically our hotplug mechanism when
> running under the PowerVM (aka pHyp) and KVM hypervisors.
On 12/01/2014 11:09 PM, Michael Ellerman wrote:
> On Mon, 2014-12-01 at 09:41 -0600, Nathan Fontenot wrote:
>> On 11/26/2014 09:12 PM, Benjamin Herrenschmidt wrote:
>>> Hi Greg,
>>>
>>> So Nathan is working on a patch series to cleanup and improve our
>>&
On 12/01/2014 10:26 PM, Greg KH wrote:
> On Mon, Dec 01, 2014 at 09:41:03AM -0600, Nathan Fontenot wrote:
>> On 11/26/2014 09:12 PM, Benjamin Herrenschmidt wrote:
>>> Hi Greg,
>>>
>>> So Nathan is working on a patch series to cleanup and improve our
>>&
On 12/03/2014 10:31 PM, Greg KH wrote:
> On Wed, Dec 03, 2014 at 09:07:27PM -0600, Nathan Fontenot wrote:
>> On 12/01/2014 10:26 PM, Greg KH wrote:
>>> On Mon, Dec 01, 2014 at 09:41:03AM -0600, Nathan Fontenot wrote:
>>>> On 11/26/2014 09:12 PM, Benjamin Herr
directly instead of FDT. Thanks for noticing this. We could adapt
FreeBSD to use FDT (this is the only non-device-tree PowerPC port), but
there hasn't been any reason to do that thus far given the availability
of the repository information.
-N
ument 3 of ‘cpumask_or’ makes
pointer from integer without a cast
make[1]: *** [arch/powerpc/mm/numa.o] Error 1
Signed-off-by: Nathan Fontenot
---
arch/powerpc/mm/numa.c |8
1 file changed, 8 insertions(+)
Index: ppc-next/arch/powerpc
ll H_JOIN, this is
> required by the hypervisor. Without this patch, threads that are offline
> (H_CEDE'd) will not be woken to make the H_JOIN call and the OS will be
> deadlocked (all threads either JOIN'd or CEDE'd).
>
This fixes a long standing bug in partition mi
The topology update code that updates the cpu node registration in sysfs
should not be called while in stop_machine(). The register/unregister
calls take a lock and may sleep.
This patch moves these calls outside of the call to stop_machine().
Signed-off-by:Nathan Fontenot
---
arch/powerpc/mm/n
return -1 to the static inline for __hash_page_thp()
to correct the warnings.
Signed-off-by: Nathan Fontenot
---
arch/powerpc/include/asm/mmu-hash64.h |1 +
1 file changed, 1 insertion(+)
Index: powerpc/arch/powerpc/include/asm/mmu-hash64.h
On 06/24/2013 02:16 PM, Seth Jennings wrote:
> On Mon, Jun 24, 2013 at 12:18:04PM -0500, Seth Jennings wrote:
>> On Mon, Jun 24, 2013 at 09:14:23AM -0500, Nathan Fontenot wrote:
>>> The topology update code that updates the cpu node registration in sysfs
>>> sh
On 06/24/2013 08:50 PM, Michael Ellerman wrote:
> On Mon, Jun 24, 2013 at 02:25:59PM -0500, Nathan Fontenot wrote:
>> On 06/24/2013 02:16 PM, Seth Jennings wrote:
>>> On Mon, Jun 24, 2013 at 12:18:04PM -0500, Seth Jennings wrote:
>>>> On Mon, Jun 24, 2013 at 09:14:23A
On 06/24/2013 08:50 PM, Michael Ellerman wrote:
> On Mon, Jun 24, 2013 at 09:14:23AM -0500, Nathan Fontenot wrote:
>> The topology update code that updates the cpu node registration in sysfs
>> should not be called while in stop_machine(). The register/unregister
>> calls take
The topology update code that updates the cpu node registration in sysfs
should not be called while in stop_machine(). The register/unregister
calls take a lock and may sleep.
This patch moves these calls outside of the call to stop_machine().
Signed-off-by:Nathan Fontenot
---
arch/powerpc/mm/n
added or removed
to be performed.
The remaining patches in the patch set update the powerpc to properly do
memory hot add and remove in the kernel.
Nathan Fontenot
---
Documentation/memory-hotplug.txt | 26
arch/powerpc/mm/mem.c | 35
patch we get a BUG_ON for memory
hot remove in put_page_bootmem().
This also adds a stub for register_page_bootmem_memmap to allow powerpc to
build with sparse vmemmap defined.
Signed-off-by: Nathan Fontenot
---
---
arch/powerpc/mm/init_64.c |6 ++
arch/powerpc/mm/mem.c |9
Memory I/O resources need to be marked as busy or else we cannot remove
them when doing memory hot remove.
Signed-off-by: Nathan Fontenot
---
arch/powerpc/mm/mem.c |2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: linux/arch/powerpc/mm/mem.c
ned-off-by: Nathan Fontenot
---
drivers/base/memory.c | 20 ++--
1 file changed, 6 insertions(+), 14 deletions(-)
Index: linux/drivers/base/memory.c
===
--- linux.orig/drivers/base/memory.c
+++ linux/drivers/bas
updates the name of this option to
CONFIG_ARCH_MEMORY_PROBE_RELEASE to indicate that it controls the probe
and release sysfs interfaces.
Signed-off-by: Nathan Fontenot
---
Documentation/memory-hotplug.txt | 34
arch/powerpc/Kconfig |2
arch/x86/Kconfig
In order to allow architectures or other subsystems to do any needed
work prior to hot adding or hot removing memory the memory notifier
chain should be updated to provide notifications of these events.
This patch adds the notifications for memory hot add and hot remove.
Signed-off-by: Nathan
-reconfiguration-memory node of the device tree this is not an
issue.
Signed-off-by: Nathan Fontenot
---
arch/powerpc/mm/mem.c | 33 +++---
arch/powerpc/platforms/pseries/hotplug-memory.c | 35
2 files changed, 29 insertions(+), 39
memory is specified in the
ibm,dynamic-reconfiguration-memory device tree node so the memory notifiers
are registered contingent on its existence.
Signed-off-by: Nathan Fontenot
---
arch/powerpc/platforms/pseries/dlpar.c | 103 +
1 file changed, 103 insertions
for powerpc/pseries.
This patch also conditionally registers the handler for of node remove
if we are not using the ibm,dynamic-reconfiguration-memory device tree
layout. That handler is only needed for handling memory@XXX nodes
in the device tree.
Signed-off-by: Nathan Fontenot
---
arch/powerpc
On 08/01/2013 09:27 PM, Michael Ellerman wrote:
> On Wed, Jul 24, 2013 at 01:35:11PM -0500, Nathan Fontenot wrote:
>> Previous commit 46723bfa540... introduced a new config option
>> HAVE_BOOTMEM_INFO_NODE that ended up breaking memory hot-remove for powerpc
>> when sparse v
On 08/01/2013 09:28 PM, Michael Ellerman wrote:
> On Wed, Jul 24, 2013 at 01:36:34PM -0500, Nathan Fontenot wrote:
>> Memory I/O resources need to be marked as busy or else we cannot remove
>> them when doing memory hot remove.
>
> I would have thought it was the opposite?
On 08/01/2013 09:32 PM, Michael Ellerman wrote:
> On Wed, Jul 24, 2013 at 01:37:47PM -0500, Nathan Fontenot wrote:
>> When doing memory hot add via the 'probe' interface in sysfs we do not
>> need to loop through and add memory one section at a time. I think this
>>
patch set that moved memory hotplug into the kernel. The entry point accepts
a rtas hotplug event which is either constructed when using the
/sys/kernel/dlpar interface or is passed to the kernel when handling a
ras epow interrupt.
-Nathan
Patch 1/6:
- Consolidate cpu hotplug code from pseries
No functional changes, this patch is simply a move of the cpu hotplug
code from pseries/dlpar.c to pseries/hotplug-cpu.c. This is in an effort
to consolidate all of the cpu hotplug code in a common place.
Signed-off-by: Nathan Fontenot
---
arch/powerpc/platforms/pseries/dlpar.c | 189
.
Signed-off-by: Nathan Fontenot
---
arch/powerpc/platforms/pseries/hotplug-cpu.c | 83 ++
1 file changed, 46 insertions(+), 37 deletions(-)
diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c
b/arch/powerpc/platforms/pseries/hotplug-cpu.c
index c55cdbc..f58d902
Update the cpu dlpar add/remove paths to do better error recovery when
a failure occurs during the add/remove operation. This includes adding
some pr_info and pr_debug statements.
Signed-off-by: Nathan Fontenot
---
arch/powerpc/platforms/pseries/hotplug-cpu.c | 34
remove and
easily clean up in any cases of failure.
Signed-off-by: Nathan Fontenot
---
arch/powerpc/platforms/pseries/hotplug-cpu.c | 202 ++
arch/powerpc/platforms/pseries/pseries.h |5 +
2 files changed, 207 insertions(+)
diff --git a/arch/powerpc/platforms/pseries
Add the ability to hotplug add cpus via rtas hotplug events by either
specifying the drc index of the CPU to add, or providing a count of the
number of CPUs to add.
Signed-off-by: Nathan Fontenot
---
arch/powerpc/platforms/pseries/hotplug-cpu.c | 76 ++
1 file changed
Enable new kernel cpu hotplug functionality by allowing cpu dlpar requests
to be initiated from sysfs.
Signed-off-by: Nathan Fontenot
---
arch/powerpc/platforms/pseries/dlpar.c |6 ++
1 file changed, 6 insertions(+)
diff --git a/arch/powerpc/platforms/pseries/dlpar.c
b/arch/powerpc
eing online instead of checking to see if
it has any memory.
-Nathan
> On Mon, Jun 22, 2015 at 10:18 AM, Bharata B Rao wrote:
>> Hi,
>>
>> While developing memory hotplug support in QEMU for PoweKVM, I
>> realized that guest kernel has specific checks to prevent hot add
vert 587f83e8dd50d
> which would be quite similar, I think)
>
Looking at the PAPR, the get-sensor-state rtas call for the EPOW sensor
is listed as a fast call and should not return a busy indication.
I'm curious as to why we're getting a busy return indication when
making this
On 07/16/2015 01:23 AM, Thomas Huth wrote:
> On 07/15/2015 09:58 PM, Nathan Fontenot wrote:
>> On 07/15/2015 09:35 AM, Thomas Huth wrote:
>>> On 07/14/2015 11:22 PM, Benjamin Herrenschmidt wrote:
>>>> On Tue, 2015-07-14 at 20:43 +0200, Thomas Huth wrote:
>>
SY condition (which should be the case
> for the sensor that is queried by the EPOW IRQ handler).
>
> Signed-off-by: Thomas Huth
Reviewed-by: Nathan Fontenot
> ---
> arch/powerpc/include/asm/rtas.h | 1 +
> arch/powerpc/kernel/rtas.c | 17 ++
On 07/20/2015 11:46 PM, Michael Ellerman wrote:
> On Mon, 2015-22-06 at 20:59:20 UTC, Nathan Fontenot wrote:
>> Update the cpu dlpar add/remove paths to do better error recovery when
>> a failure occurs during the add/remove operation. This includes adding
>> some pr_info an
On 07/21/2015 04:27 AM, Michael Ellerman wrote:
> On Mon, 2015-22-06 at 21:00:49 UTC, Nathan Fontenot wrote:
>> Add the ability to dlpar remove CPUs via hotplug rtas events, either by
>> specifying the drc-index of the CPU to remove or providing a count of cpus
>> to remove
On 07/21/2015 08:11 PM, Michael Ellerman wrote:
> On Tue, 2015-07-21 at 16:34 -0500, Nathan Fontenot wrote:
>> On 07/21/2015 04:27 AM, Michael Ellerman wrote:
>>> On Mon, 2015-22-06 at 21:00:49 UTC, Nathan Fontenot wrote:
>>>> +static int dlpar_cpu_remove_by_co
On 08/07/2015 02:59 AM, Andrzej Hajda wrote:
> The patch was generated using fixed coccinelle semantic patch
> scripts/coccinelle/api/memdup.cocci [1].
>
> [1]: http://permalink.gmane.org/gmane.linux.kernel/2014320
>
> Signed-off-by: Andrzej Hajda
Reviewed-b
On 08/07/2015 02:59 AM, Andrzej Hajda wrote:
> The patch was generated using fixed coccinelle semantic patch
> scripts/coccinelle/api/memdup.cocci [1].
>
> [1]: http://permalink.gmane.org/gmane.linux.kernel/2014320
>
> Signed-off-by: Andrzej Hajda
Reviewed-b
On 08/04/2013 10:13 PM, Michael Ellerman wrote:
> On Fri, Aug 02, 2013 at 02:13:06PM -0500, Nathan Fontenot wrote:
>> On 08/01/2013 09:32 PM, Michael Ellerman wrote:
>>> On Wed, Jul 24, 2013 at 01:37:47PM -0500, Nathan Fontenot wrote:
>>>> When doing memory hot ad
implementation on Power.
Nathan Fontenot
---
arch/powerpc/mm/mem.c |2 +-
powerpc/arch/powerpc/mm/init_64.c |6 ++
powerpc/arch/powerpc/mm/mem.c |9 +
powerpc/mm/Kconfig|2 +-
4 files changed, 17 insertions(+), 2 deletions
: Nathan Fontenot
---
arch/powerpc/mm/mem.c |2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: powerpc/arch/powerpc/mm/mem.c
===
--- powerpc.orig/arch/powerpc/mm/mem.c
+++ powerpc/arch/powerpc/mm/mem.c
@@ -514,7 +514,7
needed for building
with SPARSE_VMEMMAP enabled.
Signed-off-by: Nathan Fontenot
---
arch/powerpc/mm/init_64.c |6 ++
arch/powerpc/mm/mem.c |9 +
mm/Kconfig|2 +-
3 files changed, 16 insertions(+), 1 deletion(-)
Index: powerpc/arch/powerpc/mm/init_64.c
On 08/11/2013 07:19 PM, Benjamin Herrenschmidt wrote:
> On Fri, 2013-08-09 at 10:32 -0500, Nathan Fontenot wrote:
>
>> +void register_page_bootmem_memmap(unsigned long section_nr,
>> + struct page *start_page, unsigned long size)
>> +{
>&g
On 08/12/2013 04:13 PM, Benjamin Herrenschmidt wrote:
> On Mon, 2013-08-12 at 08:01 -0500, Nathan Fontenot wrote:
>>> Can you tell me a bit more, the above makes me nervous...
>>
>> Ok, I agree. that message isn't quite right.
>>
>> What I wanted to c
; the device node being updated is corrupted and becomes a loop since the same
> property structure is used repeatedly.
>
> Signed-off-by: Tyrel Datwyler
Acked-by: Nathan Fontenot
> ---
> arch/powerpc/platforms/pseries/mobility.c | 2 +-
> 1 file changed, 1 insertion(+), 1
ever, the rc variable is overwritten by a call to update_dt_prop
> which returns 0 on success. This results in ibm,update-properties not being
> called again for the given node when the rtas call rc was previously 1.
>
> Signed-off-by: Tyrel Datwyler
Acked-by: Nathan Fontenot
> --
buffer.
>
> Signed-off-by: Tyrel Datwyler
Acked-by: Nathan Fontenot
> ---
> arch/powerpc/platforms/pseries/mobility.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/powerpc/platforms/pseries/mobility.c
> b/arch/powerpc/platforms/pseries/
sts of
> the property name, property value length, and property value. The property
> name is an empty string, property length is encoded in 4 byte integer, and
> the property value is the node path.
>
> Signed-off-by: Tyrel Datwyler
Acked-by: Nathan Fontenot
> ---
> arch
-by: Tyrel Datwyler
Acked-by: Nathan Fontenot
> ---
> arch/powerpc/platforms/pseries/dlpar.c | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/arch/powerpc/platforms/pseries/dlpar.c
> b/arch/powerpc/platforms/pseries/dlpar.c
> index a1a7b9
ll
> only contains the node name and not the entire node path. Passing the parent
> node where the new subtree will be created to dlpar_configure_connector allows
> the correct node path to be prefixed in the full_name field.
>
> Signed-off-by: Tyrel Datwyler
Acked-by: Nathan Fontenot
;
> Signed-off-by: Tyrel Datwyler
Acked-by: Nathan Fontenot
> ---
> arch/powerpc/platforms/pseries/mobility.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/powerpc/platforms/pseries/mobility.c
> b/arch/powerpc/platforms/pseries/mobility.c
> index ff102
gt; the node will be freed from memory by of_node_release.
>
> Signed-off-by: Tyrel Datwyler
Acked-by: Nathan Fontenot
> ---
> arch/powerpc/platforms/pseries/dlpar.c | 7 +++
> 1 file changed, 7 insertions(+)
>
> diff --git a/arch/powerpc/platforms/pseries/dlpar.c
&
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