at
drc_type string of next record.
Fixes: a29396653b8bf ("pseries/drc-info: Search DRC properties for CPU indexes")
Signed-off-by: Tyrel Datwyler
---
arch/powerpc/platforms/pseries/of_helpers.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/platfor
On 1/29/20 10:31 PM, Oliver O'Halloran wrote:
> vio.c requires CONFIG_IBMVIO which in turn depends on PPC_PSERIES.
> In other words, this ifdef is pointless. At a guess it's a carry-over
> from pre-history.
>
> Signed-off-by: Oliver O'Halloran
Reviewed-by: Tyrel Datwyler
ies makefile is pointless.
>
> Signed-off-by: Oliver O'Halloran
Reviewed-by: Tyrel Datwyler
From: Tyrel Datwyler
Commit e5afdf9dd515 ("powerpc/vfio_spapr_tce: Add reference counting to
iommu_table") missed an iommu_table allocation in the pseries vio code.
The iommu_table is allocated with kzalloc and as a result the associated
kref gets a value of zero. This has the s
therwise,
Reviewed-by: Tyrel Datwyler
> Signed-off-by: Michael Bringmann
> ---
> arch/powerpc/platforms/pseries/lparcfg.c | 8
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/arch/powerpc/platforms/pseries/lparcfg.c
> b/arch/powerpc/platforms/ps
On 11/18/19 9:53 PM, Michael Ellerman wrote:
> Chen Wandun writes:
>> Fixes gcc '-Wunused-but-set-variable' warning:
>>
>> arch/powerpc/platforms/pseries/ras.c: In function ras_epow_interrupt:
>> arch/powerpc/platforms/pseries/ras.c:319:6: warning: variable status set but
>> not used
rtner
Michael provided instructions about what needs to be done with a v2 spin of your
patch to get it upstream. Please feel free to include my reviewed-by as well.
Reviewed-by: Tyrel Datwyler
> ---
> drivers/of/unittest.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
&
Nothing but pedantic spelling and grammar nits of the commit log follow.
-Tyrel
On 11/13/19 1:40 AM, Oliver O'Halloran wrote:
> On PowerNV the PCIe topology is (currently) managed the powernv platform
s/the powernv/by the powernv
> code in cooperation with firmware. The PCIe-native service
.
Fix this for better static checking by annotating values we know to
explicitly big endian, and byte swap where appropriate.
Signed-off-by: Tyrel Datwyler
---
drivers/pci/hotplug/rpaphp_core.c | 29 +++--
1 file changed, 15 insertions(+), 14 deletions(-)
diff --git a/drivers
-off-by: Tyrel Datwyler
---
arch/powerpc/platforms/pseries/hotplug-cpu.c | 127 +++
1 file changed, 112 insertions(+), 15 deletions(-)
diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c
b/arch/powerpc/platforms/pseries/hotplug-cpu.c
index bbda646..967c5e1 100644
this entries
drc-start-index.
Signed-off-by: Tyrel Datwyler
---
drivers/pci/hotplug/rpaphp_core.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/pci/hotplug/rpaphp_core.c
b/drivers/pci/hotplug/rpaphp_core.c
index 129534c..951f7f2 100644
--- a/drivers/pci/hotplug
ting value to the next element prior to
parsing drc-info entries.
Signed-off-by: Tyrel Datwyler
---
arch/powerpc/platforms/pseries/pseries_energy.c | 23 ++-
1 file changed, 10 insertions(+), 13 deletions(-)
diff --git a/arch/powerpc/platforms/pseries/pseries_energy.c
b/ar
() passes over the
current int encoded value and actually stores the next one wrongly.
Simply endian swap the current value in place after reading the first
two string values. The remaining int encoded values can then be read
correctly using of_prop_next_u32().
Signed-off-by: Tyrel Datwyler
---
arch
Advertise client support for the PAPR architected ibm,drc-info device
tree property during CAS handshake.
Fixes: c7a3275e0f9e ("powerpc/pseries: Revert support for ibm,drc-info devtree
property")
Signed-off-by: Tyrel Datwyler
---
arch/powerpc/kernel/prom_init.c | 2 +-
1 file
by checking explicitly for the ibm,drc-info
property, and falling back to the older ibm,drc-* properties if it
doesn't exist.
Signed-off-by: Tyrel Datwyler
---
drivers/pci/hotplug/rpaphp_core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/pci/hotplug/rpaphp_core.c
b
Split physical PCI slot registration scanning into separate routines
that support the old ibm,drc-* properties and one that supports the
new compressed ibm,drc-info property.
Signed-off-by: Tyrel Datwyler
---
drivers/pci/hotplug/rpaphp_core.c | 89 ++-
1 file
.
Fix this for better static checking by annotating values we know to
explicitly big endian, and byte swap where appropriate.
Signed-off-by: Tyrel Datwyler
---
drivers/pci/hotplug/rpaphp_core.c | 29 +++--
1 file changed, 15 insertions(+), 14 deletions(-)
diff --git a/drivers
, tfalcon)
Patch 3: added comment regarding indexing of drc values (tfalcon)
split drc-index and drc-info logic into multiple
functions for collecting cpu drc's for dlpar (mpe)
Patch 7: fix up a couple more sparse warnings (mpe)
Tyrel Datwyler (9
e pointing at the first element of an entry.
Fix up by incrementing the "value" pointer to point at the first
element of the first drc-info entry prior.
Signed-off-by: Tyrel Datwyler
---
drivers/pci/hotplug/rpaphp_core.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a
On 11/5/19 8:55 AM, Thomas Falcon wrote:
>
> On 11/5/19 9:24 AM, Tyrel Datwyler wrote:
>> From: Tyrel Datwyler
>>
>> Older firmwares provided information about Dynamic Reconfig
>> Connectors (DRC) through several device tree properties, namely
>> ibm,drc-t
On 11/5/19 9:03 AM, Thomas Falcon wrote:
>
> On 11/5/19 9:24 AM, Tyrel Datwyler wrote:
>
> Hi, just pointing out a few typos...
Damn, I thought I squashed them all the second time around.
>> There was a previous effort to add support for the PAPR
>> architect
nd instead
testing directly for ibm,drc-info, and then falling back to the
old style ibm,drc-indexes in the case it doesn't exit.
Fix the second by incrementing value to the next element prior to
parsing drc-info entries.
Signed-off-by: Tyrel Datwyler
---
arch/powerpc/platforms/pseries/pserie
-start-index.
Signed-off-by: Tyrel Datwyler
---
drivers/pci/hotplug/rpaphp_core.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/pci/hotplug/rpaphp_core.c
b/drivers/pci/hotplug/rpaphp_core.c
index eabc0c51..5327606 100644
--- a/drivers/pci/hotplug/rpaphp_core.c
Advertise client support for the PAPR architected ibm,drc-info device
tree property during CAS handshake.
Signed-off-by: Tyrel Datwyler
---
arch/powerpc/kernel/prom_init.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel
e pointing at the first element of an entry.
Fix up by incrementing the "value" pointer to point at the first
element of the first drc-info entry prior.
Signed-off-by: Tyrel Datwyler
---
drivers/pci/hotplug/rpaphp_core.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a
Split physical PCI slot registration scanning into seperate routines
that support the old ibm,drc-* properties and one that supports the
new compressed ibm,drc-info property.
Signed-off-by: Tyrel Datwyler
---
drivers/pci/hotplug/rpaphp_core.c | 89 ++-
1 file
() passes over the
current int encoded value and actually stores the next one wrongly.
Simply endian swap the current value in place after reading the first
two string values. The remaining int encoded values can then be read
correctly using of_prop_next_u32().
Signed-off-by: Tyrel Datwyler
---
arch
From: Tyrel Datwyler
Older firmwares provided information about Dynamic Reconfig
Connectors (DRC) through several device tree properties, namely
ibm,drc-types, ibm,drc-indexes, ibm,drc-names, and
ibm,drc-power-domains. New firmwares have the ability to present this
same information in a much
for the ibm,drc-info
property, and falling back to the older ibm,drc-* properties if it
doesn't exist.
Signed-off-by: Tyrel Datwyler
---
drivers/pci/hotplug/rpaphp_core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/pci/hotplug/rpaphp_core.c
b/drivers/pci/hotplug
partitions with 24TB+ of possible memory this
property is required to perform platform migration.
This serious fixs the short comings of the previous submission
in the areas of general implementation, cpu hotplug, and IOA hotplug.
Tyrel Datwyler (9):
powerpc/pseries: Fix bad drc_index_start
On 10/1/19 1:02 PM, Bjorn Helgaas wrote:
> On Tue, Oct 01, 2019 at 01:12:05AM -0500, Tyrel Datwyler wrote:
>> There was an initial previous effort yo add support for the PAPR
>> architected ibm,drc-info property. This property provides a more
>> memory compact representation o
On 10/10/19 12:04 PM, Nathan Lynch wrote:
> Tyrel Datwyler writes:
>> The ibm,drc-info property is an array property that contains drc-info
>> entries such that each entry is made up of 2 string encoded elements
>> followed by 5 int encoded elements. The of_read_drc_info_cell
On 10/10/19 11:56 AM, Nathan Lynch wrote:
> Hi Tyrel,
>
> Tyrel Datwyler writes:
>> +static bool valid_cpu_drc_index(struct device_node *parent, u32 drc_index)
>> +{
>> +const __be32 *indexes;
>> +int i;
>> +
>> +if (
-start-index.
Signed-off-by: Tyrel Datwyler
---
drivers/pci/hotplug/rpaphp_core.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/pci/hotplug/rpaphp_core.c
b/drivers/pci/hotplug/rpaphp_core.c
index eabc0c51..5327606 100644
--- a/drivers/pci/hotplug/rpaphp_core.c
Advertise client support for the PAPR architected ibm,drc-info device
tree property during CAS handshake.
Signed-off-by: Tyrel Datwyler
---
arch/powerpc/kernel/prom_init.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel
to suppport partitions with 24TB+ or possible memory this
property is required to perform platform migration.
This serious fixup the short comings of the previous implementation
in the areas of general implementation, cpu hotplug, and IOA hotplug.
Tyrel Datwyler (9):
powerpc/pseries: add cpu
Split physical PCI slot registration scanning into seperate routines
that support the old ibm,drc-* properties and one that supports the
new compressed ibm,drc-info property.
Signed-off-by: Tyrel Datwyler
---
drivers/pci/hotplug/rpaphp_core.c | 89 ++-
1 file
.
Fix this for better static checking by annotating values we know to
explicitly big endian, and byte swap were appropriate.
Signed-off-by: Tyrel Datwyler
---
drivers/pci/hotplug/rpaphp_core.c | 26 +-
1 file changed, 13 insertions(+), 13 deletions(-)
diff --git a/drivers/pci
ot; pointer to point at the first
element of the first drc-info entry prior.
Signed-off-by: Tyrel Datwyler
---
drivers/pci/hotplug/rpaphp_core.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/pci/hotplug/rpaphp_core.c
b/drivers/pci/hotplug/rpaphp_core.c
index 18627bb..e350264 1006
for the ibm,drc-info
property, and falling back to the older ibm,drc-* properties if it
doesn't exist.
Signed-off-by: Tyrel Datwyler
---
drivers/pci/hotplug/rpaphp_core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/pci/hotplug/rpaphp_core.c
b/drivers/pci/hotplug
() passes over the
current int encoded value and actually stores the next one wrongly.
Simply endian swap the current value in place after reading the first
two string values. The remaining int encoded values can then be read
correctly using of_prop_next_u32().
Signed-off-by: Tyrel Datwyler
---
arch
nd instead
testing directly for ibm,drc-info, and then falling back to the
old style ibm,drc-indexes in the case it doesn't exit.
Fix the second by incrementing value to the next element prior to
parsing drc-info entries.
Signed-off-by: Tyrel Datwyler
---
arch/powerpc/platforms/pseries/pseries_ene
From: Tyrel Datwyler
Older firmwares provided information about Dynamic Reconfig
Connectors (DRC) through several device tree properties, namely
ibm,drc-types, ibm,drc-indexes, ibm,drc-names, and
ibm,drc-power-domains. New firmwares have the ability to present this
same information in a much
; queue")
> Signed-off-by: Michal Suchanek
Reviewed-by: Tyrel Datwyler
> ---
> drivers/net/ethernet/ibm/ibmvnic.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/ethernet/ibm/ibmvnic.c
> b/drivers/net/ethernet/ibm/ibmvnic.c
&g
c: cleanup_slots()
>
> Signed-off-by: Krzysztof Wilczynski
For rpa*_core.c portions,
Acked-by: Tyrel Datwyler
> ---
> drivers/pci/hotplug/cpci_hotplug_core.c | 1 -
> drivers/pci/hotplug/cpqphp_core.c | 1 -
> drivers/pci/hotplug/cpqphp_ctrl.c | 4 ---
On 8/2/19 12:29 PM, Nathan Lynch wrote:
> The LPAR migration implementation and userspace-initiated cpu hotplug
> can interleave their executions like so:
>
> 1. Set cpu 7 offline via sysfs.
>
> 2. Begin a partition migration, whose implementation requires the OS
>to ensure all present cpus
_ct.port_id[1] << 8) |
> ~~~
> bsg_request->rqst_data.h_ct.port_id[2];
> ~~
> drivers/scsi/ibmvscsi/ibmvfc.c:1841:2: note: here
> case FC_BSG_RPT_CT:
> ^~~~
>
> Reported-by: Stephen Rothwell
> Signed-off-by: Gustavo A. R. Silva
> ---
Acked-by: Tyrel Datwyler
point in the code path
we have quiesced the adapter and its overly paranoid anyways to be holding the
host lock.
Reported-by: Abdul Haleem
Signed-off-by: Tyrel Datwyler
---
drivers/scsi/ibmvscsi/ibmvfc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/scsi/ibmvscsi/ibmv
On 07/10/2019 11:35 PM, wen.yan...@zte.com.cn wrote:
>>> we developed a coccinelle script to detect such problems.
>>
>> Would you find the implementation of the function “dt_init_idle_driver”
>> suspicious according to discussed source code search patterns?
>>
On 06/13/2019 06:05 PM, Nathan Lynch wrote:
> Nathan Lynch writes:
>
>> Tyrel Datwyler writes:
>>
>>> Maybe we are ok with this behavior as I haven't dug deep enough into the
>>> memory
>>> subsystem here to really understand what the memory co
On 06/06/2019 10:04 PM, Nathan Lynch wrote:
> During post-migration device tree updates, we can oops in
> pseries_update_drconf_memory if the source device tree has an
> ibm,dynamic-memory-v2 property and the destination has a
> ibm,dynamic_memory (v1) property. The notifier processes an "update"
On 06/05/2019 01:17 PM, Qian Cai wrote:
> At the beginning of setup_64.c, it has,
>
> #ifdef DEBUG
> #define DBG(fmt...) udbg_printf(fmt)
> #else
> #define DBG(fmt...)
> #endif
Simpler solution is just to define the debug in the else clause as such:
#define DBG(fmt...) do { } while(0)
lug/drc-info: Add code to search ibm,drc-info
> property")
> Suggested-by: Nick Desaulniers
> Signed-off-by: Nathan Chancellor
Acked-by: Tyrel Datwyler
statement and
> make it return early so that rc is never used uninitialized in this
> function.
>
> Fixes: 035a3c4046b5 ("scsi: ibmvscsi: redo driver work thread to use enum
> action states")
> Link: https://github.com/ClangBuiltLinux/linux/issues/502
> Suggested-by: Mic
On 06/03/2019 04:34 PM, Tyrel Datwyler wrote:
> On 06/03/2019 04:25 PM, Tyrel Datwyler wrote:
>> On 06/03/2019 03:19 PM, Nathan Chancellor wrote:
>>> clang warns:
>>>
>>> drivers/scsi/ibmvscsi/ibmvscsi.c:2126:7: warning: variable 'rc' is used
>>>
On 06/03/2019 04:25 PM, Tyrel Datwyler wrote:
> On 06/03/2019 03:19 PM, Nathan Chancellor wrote:
>> clang warns:
>>
>> drivers/scsi/ibmvscsi/ibmvscsi.c:2126:7: warning: variable 'rc' is used
>> uninitialized whenever switch case is taken [-Wsometimes-uni
On 06/02/2019 03:15 AM, Michael Ellerman wrote:
> Hi Nathan,
>
> Nathan Chancellor writes:
>> clang warns:
>>
>> drivers/scsi/ibmvscsi/ibmvscsi.c:2126:7: warning: variable 'rc' is used
>> uninitialized whenever switch case is taken [-Wsometimes-uninitialized]
>> case
t;
> Fixes: 035a3c4046b5 ("scsi: ibmvscsi: redo driver work thread to use enum
> action states")
> Link: https://github.com/ClangBuiltLinux/linux/issues/502
> Suggested-by: Michael Ellerman
> Signed-off-by: Nathan Chancellor
Acked-by: Tyrel Datwyler
On 05/20/2019 08:01 AM, Nathan Lynch wrote:
> Tyrel Datwyler writes:
>
>> On 05/16/2019 12:17 PM, Nathan Lynch wrote:
>>> Tyrel Datwyler writes:
>>>> The current dlpar_cpu_readd() takes in a cpu_id and uses that to look up
>>>> the cpus device_no
On 05/16/2019 12:17 PM, Nathan Lynch wrote:
> Tyrel Datwyler writes:
>> The current dlpar_cpu_readd() takes in a cpu_id and uses that to look up
>> the cpus device_node so that we can get at the ibm,my-drc-index
>> property. The only user of cpu readd is an OF notifier ca
Memory affintiy updates as currently implemented have proved unstable.
This patch comments out the PRRN hook for the time being while we
investigate how to either stablize the current implementation or find a
better approach.
Signed-off-by: Tyrel Datwyler
---
arch/powerpc/platforms/pseries
when its added back.
Signed-off-by: Tyrel Datwyler
---
arch/powerpc/kernel/rtasd.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/arch/powerpc/kernel/rtasd.c b/arch/powerpc/kernel/rtasd.c
index 8a1746d755c9..d3aa3a056d8e 100644
--- a/arch/powerpc/kernel/rtasd.c
+++ b/arch/powerpc/kernel
the drc_index from the device_node.
This patch simplifies dlpar_cpu_readd() to take a drc_index directly and
does away with an uneccsary device_node lookup.
Signed-off-by: Tyrel Datwyler
---
arch/powerpc/include/asm/topology.h | 2 +-
arch/powerpc/mm/numa.c | 6
On 05/14/2019 07:50 AM, Aneesh Kumar K.V wrote:
> This fixes the below crash that arises due to not handling page table
> allocation
> failures while allocating hugetlb page table.
Was there supposed to be a oops stack trace attached here in the commit log?
-Tyrel
>
> Fixes: e2b3d202d1db
From: Tyrel Datwyler
The current implemenation relies on two flags in the drivers private host
structure to signal the need for a host reset or to reenable the CRQ after a
LPAR migration. This patch does away with those flags and introduces a single
action flag and defined enums
From: Tyrel Datwyler
After a successful SRP login response we call scsi_unblock_requests() to
kick any pending IO's. The callback to process this SRP response happens in
a tasklet and therefore is in softirq context. The result of such is
that when blk-mq is enabled it is no longer safe to call
From: Tyrel Datwyler
Wire up the host_reset function in our driver_template to allow a user
requested adpater reset via the host_reset sysfs attribute.
Example:
echo "adapter" > /sys/class/scsi_host/host0/host_reset
Signed-off-by: Tyrel Datwyler
---
Changes in v2:
remo
On 05/02/2019 02:50 PM, Brian King wrote:
> On 5/1/19 7:47 PM, Tyrel Datwyler wrote:
>> From: Tyrel Datwyler
>>
>> Wire up the host_reset function in our driver_template to allow a user
>> requested adpater reset via the host_reset sysfs attribute.
>>
>> Exa
On 05/02/2019 02:43 PM, Brian King wrote:
> On 5/1/19 7:47 PM, Tyrel Datwyler wrote:
>> From: Tyrel Datwyler
>>
>> The current implemenation relies on two flags in the drivers private host
>> structure to signal the need for a host reset or to reenable the CR
From: Tyrel Datwyler
After a successful SRP login response we call scsi_unblock_requests() to
kick any pending IO's. The callback to process this SRP response happens in
a tasklet and therefore is in softirq context. The result of such is
that when blk-mq is enabled it is no longer safe to call
From: Tyrel Datwyler
The current implemenation relies on two flags in the drivers private host
structure to signal the need for a host reset or to reenable the CRQ after a
LPAR migration. This patch does away with those flags and introduces a single
action flag and defined enums
From: Tyrel Datwyler
Wire up the host_reset function in our driver_template to allow a user
requested adpater reset via the host_reset sysfs attribute.
Example:
echo "adapter" > /sys/class/scsi_host/host0/host_reset
Signed-off-by: Tyrel Datwyler
---
drivers/scsi/ibmvscsi/ib
: Tobin C. Harding
> ---
Reviewed-by: Tyrel Datwyler
interrupts")
> Signed-off-by: YueHaibing
> ---
Reviewed-by: Tyrel Datwyler
> v2: fix compile issue by 'event_modifier'-->'modifier'
> ---
> arch/powerpc/platforms/pseries/ras.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/powerpc/platfor
On 04/14/2019 08:41 PM, Sam Bobroff wrote:
> On Thu, Apr 11, 2019 at 05:55:33PM -0700, Tyrel Datwyler wrote:
>> On 03/19/2019 07:58 PM, Sam Bobroff wrote:
>>> Hi all,
>>>
>>> This patch set adds support for EEH recovery of hot plugged devices on
>>>
On 03/19/2019 07:58 PM, Sam Bobroff wrote:
> Hi all,
>
> This patch set adds support for EEH recovery of hot plugged devices on pSeries
> machines. Specifically, devices discovered by PCI rescanning using
> /sys/bus/pci/rescan, which includes devices hotplugged by QEMU's device_add
> command.
When allocating the slot structure we store a pointer to the associated
device_node. We really should be incrementing the reference count, so
add an of_node_get() during slot alloc and an of_node_put() during slot
dealloc.
Signed-off-by: Tyrel Datwyler
---
drivers/pci/hotplug/rpaphp_slot.c | 3
, and call of_node_put() on the obtained device_node in the
add and remove paths. Also, fixup a reference leak in the find_vio_slot()
helper where we fail to call of_node_put() on the vdevice node after we
iterate over its children.
Signed-off-by: Tyrel Datwyler
---
drivers/pci/hotplug
No change to functionality. Simply make transport event messages a litle
clearer, and rework CRQ format enums such that we have separate enums
for INIT messages and XPORT events.
Signed-off-by: Tyrel Datwyler
---
drivers/scsi/ibmvscsi/ibmvfc.c | 8 +---
drivers/scsi/ibmvscsi/ibmvfc.h | 7
Status and error codes are returned in big endian from the VIOS. The
values are translated into a human readable format when logged, but
the values are also logged. This patch byte swaps those values so
that they are consistent between BE and LE platforms.
Signed-off-by: Tyrel Datwyler
The VIOS uses the SCSI_ERROR class to report PRLI failures. These
errors are indicated with the combination of a IBMVFC_FC_SCSI_ERROR
return status and 0x8000 error code. Add these codes to cmd_status[]
with appropriate human readable error message.
Signed-off-by: Tyrel Datwyler
---
drivers
e prefixing of "failed" to all error logged messages. The
ibmvfc_log_error() function translates the returned error/status
codes to a human readable message already.
Signed-off-by: Tyrel Datwyler
---
drivers/scsi/ibmvscsi/ibmvfc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
di
y requests for which we never received a response. Finally,
move the removal of the scsi host from our global list to the end so
that the host is easily locatable for debugging purposes during
teardown.
Cc: # v2.6.12+
Signed-off-by: Tyrel Datwyler
---
drivers/scsi/ibmvscsi/ibmvs
as is done similarly in the ibmvfc driver and
ipr driver.
Fixes: 32d6e4b6e4ea ("scsi: ibmvscsi: add vscsi hosts to global list_head")
Cc: # v4.10+
Signed-off-by: Tyrel Datwyler
---
drivers/scsi/ibmvscsi/ibmvscsi.c | 5 +
1 file changed, 5 insertions(+)
diff --git a/drivers/scs
hlwd_irq_host = host;
> + of_node_put(np);
> break;
> }
> }
> @@ -237,4 +238,3 @@ void hlwd_quiesce(void)
>
> __hlwd_quiesce(io_base);
> }
> -
>
This line removal at the end of the patch is likely accidental, but really
should not be here. Otherwise,
Reviewed-by: Tyrel Datwyler
On 02/25/2019 01:00 AM, Himadri Pandya wrote:
> Decrement the reference count on device_node "node" while breaking out
> of the loop. Issue identified by Coccinelle.
>
> Signed-off-by: Himadri Pandya
> ---
> Changes in V2:
> - Change subject line
> ---
>
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 of the associated CPU device. If the call
> to remove the CPU device fails,
Ping? Any objections to this patch? A fix is already upstream in powerpc-utils
to utilize the timebase value if available.
-Tyrel
On 12/08/2018 03:48 PM, Tyrel Datwyler wrote:
> The Processor Utilzation of Resource Registers (PURR) provide an estimate of
> resources used by a cpu thread. S
On 01/31/2019 02:21 PM, Tyrel Datwyler wrote:
> On 01/31/2019 01:53 PM, Michael Bringmann wrote:
>> On 1/30/19 11:38 PM, Michael Ellerman wrote:
>>> Michael Bringmann writes:
>>>> This patch is to check for cede'ed CPUs during LPM. Some extreme
>>>> t
On 01/31/2019 01:53 PM, Michael Bringmann wrote:
> On 1/30/19 11:38 PM, Michael Ellerman wrote:
>> Michael Bringmann writes:
>>> This patch is to check for cede'ed CPUs during LPM. Some extreme
>>> tests encountered a problem ehere Linux has put some threads to
>>> sleep (possibly to save energy
evious parsing implementation have been moved.
>>
>> Signed-off-by: Michael Bringmann
>
> This is fine with me. Any rpaphp_core.c maintainers want to comment?
> Tyrel?
It greatly simplifies the code in rpaphp_core.c, and as far as I can tell the
refactoring maintains the exist
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-specific dynamic memory properties in generic kernel code.
> This patch set provides an interface to
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,drc-info.
> The generic interface arch_find_drc_match is provided which accepts
> callback functions that may be applied
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-specific dynamic memory properties in generic kernel code.
> This patch set provides an interface to
On 01/10/2019 07:07 AM, Christoph Hellwig wrote:
> On Wed, Jan 09, 2019 at 06:58:56PM -0800, Tyrel Datwyler wrote:
>> While mapping DMA for scatter list when a scsi command is queued the
>> existing call to dma_alloc_coherent() in our map_sg_data() function
>> passes z
On 01/09/2019 04:37 AM, Michael Ellerman wrote:
> Hi Bjorn,
>
> Bjorn Helgaas writes:
>> Hi,
>>
>> I want to update the PCI Kconfig labels so they're more consistent and
>> useful to users, something like the patch below. IIUC, the items
>> below are all IBM-related; please correct me if not.
On 01/10/2019 07:07 AM, Christoph Hellwig wrote:
> On Wed, Jan 09, 2019 at 06:58:56PM -0800, Tyrel Datwyler wrote:
>> While mapping DMA for scatter list when a scsi command is queued the
>> existing call to dma_alloc_coherent() in our map_sg_data() function
>> passes z
-by: Tyrel Datwyler
---
drivers/scsi/ibmvscsi/ibmvscsi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
index cb8535e..10d5e77 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.c
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
have a spinlock holding the scsi host lock.
Fix this by passing GFP_ATOMIC to dma_alloc_coherent() to prevent any
sort of sleeping in atomic context deadlock.
Fixes: 4dddbc26c389 ("[SCSI] ibmvscsi: handle large scatter/gather lists")
Cc: sta...@vger.kernel.org
Signed-off-by: Tyre
24/0x490
__qdisc_run+0x20c/0x980
__dev_queue_xmit+0x1bc/0xf20
This fixes the API misuse by unampping descs[0] with dma_unmap_single.
Fixes: 6e8ab30ec677 ("ibmveth: Add scatter-gather support")
Cc: sta...@vger.kernel.org
Signed-off-by: Tyrel Datwyler
---
drivers/net/ethernet/ibm/ibmveth.c
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