Hi Michael,
On Wed, 24 Sep 2014 15:57:10 +1000 Michael Ellerman m...@ellerman.id.au wrote:
Because powernv arrived after these other platforms, the defconfigs
didn't have PPC_POWERNV disabled, and being default y it gets turned on.
Well, that raises the question of why PPC_POWERNV is default
Hi Michael,
On Wed, 24 Sep 2014 15:57:12 +1000 Michael Ellerman m...@ellerman.id.au wrote:
For __ioremap().
So does that mean that you really want this patch before 2/3 so that you
don't introduce an unnecessary bisection breakage in ppc64_defconfig?
--
Cheers,
Stephen Rothwell
Hi Anton,
On Wed, 24 Sep 2014 10:27:06 +1000 Anton Blanchard an...@samba.org wrote:
- if (user_mode(regs)) {
- current-thread.trap_nr = BUS_ADRERR;
- info.si_signo = SIGBUS;
- info.si_errno = 0;
- info.si_code = BUS_ADRERR;
-
Exit out early for a kernel fault, avoiding indenting of
most of the function.
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/mm/fault.c | 20 ++--
1 file changed, 10 insertions(+), 10 deletions(-)
diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
do_page_fault was missing knowledge of HWPOISON, and we would oops
if userspace tried to access a poisoned page:
kernel BUG at arch/powerpc/mm/fault.c:180!
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/mm/fault.c | 17 +++--
1 file changed, 11 insertions(+), 6
Fill in the si_addr_lsb siginfo field so the hwpoison code can
pass to userspace the length of memory that has been corrupted.
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/mm/fault.c | 8
1 file changed, 8 insertions(+)
diff --git a/arch/powerpc/mm/fault.c
Hi Stephen,
If you had done this as 2 patches (one to remove the indent and a
second to fix the actual problem), it would have been much easier to
review ...
Good idea, I separated it out and resubmitted.
Anton
___
Linuxppc-dev mailing list
Commit 39eb56da2b53 (pcmcia: Remove m8xx_pcmcia driver) removed the
only driver that used CONFIG_FADS. Setting the Kconfig symbol FADS is
pointless since that commit. Remove it.
Signed-off-by: Paul Bolle pebo...@tiscali.nl
---
Done on top of next-20140923. Tested with git grep only.
Another
On Wed, Sep 17, 2014 at 12:00:48PM -0700, Greg Kroah-Hartman wrote:
On Wed, Sep 17, 2014 at 06:25:10PM +0100, Sudeep Holla wrote:
Hi Greg,
On 03/09/14 18:00, Sudeep Holla wrote:
From: Sudeep Holla sudeep.ho...@arm.com
This patch adds initial support for providing processor cache
There is no need to init .owner field.
Based on the patch from Peter Griffin peter.grif...@linaro.org
mmc: remove .owner field for drivers using module_platform_driver
This patch removes the superflous .owner field for drivers which
use the module_platform_driver API, as this is overriden in
This patch replaces calls to get_unused_fd() with equivalent call to
get_unused_fd_flags(0) to preserve current behavor for existing code.
In a further patch, get_unused_fd() will be removed so that new code
start using get_unused_fd_flags(), with the hope O_CLOEXEC could be
used, either by
!!! [4] by Dan Walsh for advice.
[1] http://lwn.net/Articles/412131/
[2] http://udrepper.livejournal.com/20407.html
[3] http://www.python.org/dev/peps/pep-0446/
[4] http://danwalsh.livejournal.com/53603.html
- Statistics:
In linux-next, tag next-20140924, they're currently:
- 33 calls
catalog_read() implements the read interface for the sysfs file
/sys/bus/event_source/devices/hv_24x7/interface/catalog
It essentially takes a buffer, an offset and count as parameters
to the read() call. It makes a hypervisor call to read a specific
page from the catalog and copy the
From: Cody P Schafer c...@linux.vnet.ibm.com
Ian pointed out the use of __aligned(4096) caused rather large stack
consumption in single_24x7_request(), so use the kmem_cache
hv_page_cache (which we've already got set up for other allocations)
insead of allocating locally.
CC: Sukadev Bhattiprolu
Miscellaenous fixes for perf and 24x7 counters in powerpc.
Patches 1,3,4 were submitted earlier as a part of the parametrized
events for 24x7 counters. But they are not directly related to the
parametrized events.
Patch 2 simplifies and fixes a bug in catalog_read() which causes the
catalog file
From: Cody P Schafer c...@linux.vnet.ibm.com
Add documentation for the event, event.scale, and event.unit
files in sysfs.
event.scale and event.unit were undocumented.
event was previously documented only for specific powerpc pmu events.
CC: Sukadev Bhattiprolu suka...@linux.vnet.ibm.com
CC:
From: Cody P Schafer c...@linux.vnet.ibm.com
Listing specific events doesn't actually help us at all here because:
- these events actually vary between different ppc processors, they
aren't garunteed to be present.
- the documentation of the (generic) file contents is now superceded by the
What this patchset does:
- the first patch (override sysfs in tools/perf via SYSFS_PATH) was sent out
previously, but needed a resend anyhow. Having it is useful for testing the
later changes to tools/perf.
- the second patch is a bugfix to the powerpc hv-24x7 code which was
previously
From: Cody P Schafer c...@linux.vnet.ibm.com
Enable event specification like:
pmu/event_name,param1=0x1,param2=0x4/
Assuming that
/sys/bus/event_source/devices/pmu/events/event_name
Contains something like
param2=foo,bar=1,param1=baz
Changelog[v4]:
[Jiri
From: Cody P Schafer c...@linux.vnet.ibm.com
This causes `perf list pmu` to show parameters for parameterized events
like follows:
pmu/event_name,param1=?,param2=?/ [Kernel PMU event]
An example:
From: Cody P Schafer c...@linux.vnet.ibm.com
Retrieves and parses the 24x7 catalog on POWER systems that supply it
(right now, only POWER 8). Events are exposed via sysfs in the standard
fashion, and are all parameterized.
Catalog is (at the moment) only parsed on boot. It needs re-parsing
when
From: Cody P Schafer c...@linux.vnet.ibm.com
(struct perf_pmu_events_attr) is defined in include/linux/perf_event.h,
but the only show for it is in x86 and contains x86 specific stuff.
Make a generic one for those of us who are just using the event_str.
CC: Sukadev Bhattiprolu
From: Cody P Schafer c...@linux.vnet.ibm.com
Helper for constructing static struct perf_pmu_events_attr s.
CC: Sukadev Bhattiprolu suka...@linux.vnet.ibm.com
CC: Haren Myneni hb...@us.ibm.com
CC: Cody P Schafer d...@codyps.com
Signed-off-by: Cody P Schafer c...@linux.vnet.ibm.com
---
From: Cody P Schafer c...@linux.vnet.ibm.com
This adds (in req-gen/) a framework for defining gpci counter requests.
It uses macro magic similar to ftrace.
Also convert the existing hv-gpci request structures and enum values to
use the new framework (and adjust old users of the structs and enum
From: Cody P Schafer c...@linux.vnet.ibm.com
Add the remaining gpci requests that contain counters suitable for use
by perf. Omit those that don't contain any counters (but note their
ommision).
CC: Sukadev Bhattiprolu suka...@linux.vnet.ibm.com
CC: Haren Myneni hb...@us.ibm.com
CC: Cody P
From: Cody P Schafer c...@linux.vnet.ibm.com
Changelog[v6]:
- [Sukadev Bhattiprolu]: Update documentation of perf-list and
perf-record; Added documentation for perf-stat.
CC: Haren Myneni hb...@us.ibm.com
CC: Cody P Schafer d...@codyps.com
Signed-off-by: Cody P Schafer
From: Cody P Schafer c...@linux.vnet.ibm.com
Event parameters are a basic way for partial events to be specified in
sysfs with per-event names given to the fields that need to be filled in
when using a particular event.
It is intended for supporting cases where the single 'cpu' parameter is
From: Cody P Schafer c...@linux.vnet.ibm.com
CC: Sukadev Bhattiprolu suka...@linux.vnet.ibm.com
CC: Haren Myneni hb...@us.ibm.com
CC: Cody P Schafer d...@codyps.com
Signed-off-by: Cody P Schafer c...@linux.vnet.ibm.com
---
.../testing/sysfs-bus-event_source-devices-hv_24x7 | 22
On 09/16/2014 03:15 PM, Thomas Falcon wrote:
From: Bharata B Rao bhar...@linux.vnet.ibm.com
- ibm,rtas-configure-connector should treat the RTAS data as big endian.
- Treat ibm,ppc-interrupt-server#s as big-endian when setting
smp_processor_id during hotplug.
Signed-off-by: Bharata B
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 tlfal...@linux.vnet.ibm.com
Acked-by: Nathan Fontenot
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 tlfal...@linux.vnet.ibm.com
Acked-by: Nathan Fontenot nf...@linux.vnet.ibm.com
---
Changes
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
command. The drmgr command performs the
On Tue, 2014-19-08 at 21:01:05 UTC, Pranith Kumar wrote:
ARCH_ENABLE_MEMORY_HOTPLUG is enabled by default for powerpc. This causes
build
failures when SPARSEMEM=n as memory hotplug needs definition which are defined
only when SPARSEMEM=y. The error is as follows:
On Wed, 2014-03-09 at 12:29:48 UTC, Hari Bathini wrote:
Firmware-assisted dump (fadump) kernel code is not LE compliant. The
below patch tries to fix this issue. Tested this patch with upstream
kernel. Did some sanity testing for the LE fadump vmcore generated.
Below output shows crash tool
qe need to call some common functions, move them into
public directory, add a new file drivers/soc/qe/qe_common.c
for them.
Signed-off-by: Zhao Qiang b45...@freescale.com
---
drivers/soc/qe/Makefile| 2 +-
drivers/soc/qe/qe_common.c | 185 +
qe need to use the rheap, so move it to public directory.
Signed-off-by: Zhao Qiang b45...@freescale.com
---
arch/powerpc/Kconfig| 3 ---
arch/powerpc/include/asm/fsl_85xx_cache_sram.h | 2 +-
arch/powerpc/lib/Makefile |
Now there are a lot of __weak arch functions in MSI code.
These functions make MSI driver complex. Thierry Reding Introduced
a new MSI chip framework to configure MSI/MSI-X irq in ARM. Use
the new MSI chip framework to refactor all other platform MSI
arch code to eliminate weak arch MSI functions.
Introduce weak arch_find_msi_chip() to find the match msi_chip.
Currently, MSI chip associates pci bus to msi_chip. Because in
ARM platform, there may be more than one MSI controller in system.
Associate pci bus to msi_chip help pci device to find the match
msi_chip and setup MSI/MSI-X irq
Now only s390/MSI use default_msi_mask_irq() and
default_msix_mask_irq(), replace them with the common
msi mask irq functions __msi_mask_irq() and __msix_mask_irq().
Remove default_msi_mask_irq() and default_msix_mask_irq().
Signed-off-by: Yijing Wang wangyij...@huawei.com
---
Currently, PCI drivers will initialize bus-msi in
pcibios_add_bus(). pcibios_add_bus() will be called
in every pci bus initialization. So the bus-msi
assignment in pci_alloc_child_bus() is useless.
Signed-off-by: Yijing Wang wangyij...@huawei.com
CC: Thierry Reding thierry.red...@gmail.com
CC:
Use MSI chip framework instead of arch MSI functions to configure
MSI/MSI-X irq. So we can manage MSI/MSI-X irq in a unified framework.
Signed-off-by: Yijing Wang wangyij...@huawei.com
---
drivers/iommu/irq_remapping.c |6 ++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git
Use MSI chip framework instead of arch MSI functions to configure
MSI/MSI-X irq. So we can manage MSI/MSI-X irq in a unified framework.
Tested-by: Konrad Rzeszutek Wilk konrad.w...@oracle.com
Signed-off-by: Yijing Wang wangyij...@huawei.com
Acked-by: David Vrabel david.vra...@citrix.com
Msi_chip functions setup_irq/teardown_irq rarely use msi_chip
argument. We can look up msi_chip pointer by the device pointer
or irq number, so clean up msi_chip argument.
Signed-off-by: Yijing Wang wangyij...@huawei.com
CC: Thierry Reding thierry.red...@gmail.com
CC: Thomas Petazzoni
This series is based Bjorn's pci/msi branch
git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git pci/msi
Currently, there are a lot of weak arch functions in MSI code.
Thierry Reding Introduced MSI chip framework to configure MSI/MSI-X in arm.
This series use MSI chip framework to
Commit 465665f78a7 (mips: Kill pointless destroy_irq()) removed
the destroy_irq(). So remove the leftover one in xlp_setup_msix()
to fix build error.
arch/mips/pci/msi-xlp.c: In function 'xlp_setup_msix':
arch/mips/pci/msi-xlp.c:447:3: error: implicit declaration of function
'destroy_irq'..
cc1:
Now we can clean up MSI weak arch functions in x86.
Signed-off-by: Yijing Wang wangyij...@huawei.com
---
arch/x86/include/asm/pci.h |3 ---
arch/x86/include/asm/x86_init.h |4
arch/x86/kernel/apic/io_apic.c |2 +-
arch/x86/kernel/x86_init.c | 24
Use MSI chip framework instead of arch MSI functions to configure
MSI/MSI-X irq. So we can manage MSI/MSI-X irq in a unified framework.
Signed-off-by: Yijing Wang wangyij...@huawei.com
---
arch/mips/pci/msi-xlp.c | 14 --
1 files changed, 12 insertions(+), 2 deletions(-)
diff
Commit 0e4ccb150 added two __weak arch functions arch_msix_mask_irq()
and arch_msi_mask_irq() to fix a bug found when running xen in x86.
Introduced these two funcntions make MSI code complex. And mask/unmask
is the irq actions related to interrupt controller, should not use
weak arch functions to
Currently, pcie-designware, pcie-rcar, pci-tegra drivers
use irq chip_data to save the msi_chip pointer. They
already call irq_set_chip_data() in their own MSI irq map
functions. So irq_set_chip_data() in arch_setup_msi_irq()
is useless.
Signed-off-by: Yijing Wang wangyij...@huawei.com
---
Use MSI chip framework instead of arch MSI functions to configure
MSI/MSI-X irq. So we can manage MSI/MSI-X irq in a unified framework.
Signed-off-by: Yijing Wang wangyij...@huawei.com
Acked-by: Michael Ellerman m...@ellerman.id.au
---
arch/powerpc/kernel/msi.c | 14 --
1 files
Use MSI chip framework instead of arch MSI functions to configure
MSI/MSI-X irq. So we can manage MSI/MSI-X irq in a unified framework.
Signed-off-by: Yijing Wang wangyij...@huawei.com
---
arch/mips/pci/msi-octeon.c | 35 ++-
1 files changed, 22 insertions(+),
Use MSI chip framework instead of arch MSI functions to configure
MSI/MSI-X irq. So we can manage MSI/MSI-X irq in a unified framework.
Signed-off-by: Yijing Wang wangyij...@huawei.com
---
arch/arm/mach-iop13xx/include/mach/pci.h |2 ++
arch/arm/mach-iop13xx/iq81340mc.c|1 +
Use MSI chip framework instead of arch MSI functions to configure
MSI/MSI-X irq. So we can manage MSI/MSI-X irq in a unified framework.
Signed-off-by: Yijing Wang wangyij...@huawei.com
---
arch/mips/pci/pci-xlr.c | 15 +--
1 files changed, 13 insertions(+), 2 deletions(-)
diff
Use MSI chip framework instead of arch MSI functions to configure
MSI/MSI-X irq. So we can manage MSI/MSI-X irq in a unified framework.
Signed-off-by: Yijing Wang wangyij...@huawei.com
Acked-by: Sebastian Ott seb...@linux.vnet.ibm.com
---
arch/s390/pci/pci.c | 14 --
1 files
Use MSI chip framework instead of arch MSI functions to configure
MSI/MSI-X irq. So we can manage MSI/MSI-X irq in a unified framework.
Signed-off-by: Yijing Wang wangyij...@huawei.com
---
arch/ia64/kernel/msi_ia64.c | 18 ++
1 files changed, 14 insertions(+), 4 deletions(-)
Use MSI chip framework instead of arch MSI functions to configure
MSI/MSI-X irq. So we can manage MSI/MSI-X irq in a unified framework.
Signed-off-by: Yijing Wang wangyij...@huawei.com
---
arch/sparc/kernel/pci.c | 14 --
1 files changed, 12 insertions(+), 2 deletions(-)
diff
Use MSI chip framework instead of arch MSI functions to configure
MSI/MSI-X irq. So we can manage MSI/MSI-X irq in a unified framework.
Signed-off-by: Yijing Wang wangyij...@huawei.com
---
arch/tile/kernel/pci_gx.c | 14 --
1 files changed, 12 insertions(+), 2 deletions(-)
diff
Now we use struct msi_chip in all platforms to configure
MSI/MSI-X. We can clean up the unused arch functions.
Signed-off-by: Yijing Wang wangyij...@huawei.com
Reviewed-by: Lucas Stach l.st...@pengutronix.de
---
drivers/iommu/irq_remapping.c |2 +-
drivers/pci/msi.c | 100
Use MSI chip framework instead of arch MSI functions to configure
MSI/MSI-X irq. So we can manage MSI/MSI-X irq in a unified framework.
Signed-off-by: Yijing Wang wangyij...@huawei.com
---
arch/x86/include/asm/pci.h |1 +
arch/x86/kernel/apic/io_apic.c | 12
2 files
On Sun, 2014-17-08 at 03:02:26 UTC, Gavin Shan wrote:
The patch adds sysfs entry eeh_pe_state. Reading on it returns
the PE's state while writing to it clears the frozen state. It's
used to check or clear the PE frozen state from userland for
debugging purpose.
diff --git
The PEs can be organized as nested. Current implementation doesn't
dump PCI config space for subordinate devices of child PEs. However,
the frozen PE could be caused by those subordinate devices of its
child PEs.
The patch dumps PCI config space for all subordinate devices of the
problematic PE.
It should have been part of commit 1ad7a72c5 (powerpc/eeh: Report
frozen parent PE prior to child PE). There are 2 ways to report
EEH errors: proactively polling triggered by PCI config or IO
accesses, or interrupt driven event. We missed to report and handle
parent frozen PE prior to child frozen
When using bypass window on IODA2, the incorrect DMA operations
dma_iommu_ops is used by devices. The device driver calls
dma_get_required_mask() to determine using 32-bits or bypass DMA
window. Unfortunately, the returned DMA mask always forces the
driver to use 32-bits DMA window. The problem
On Tue, 2014-26-08 at 07:56:16 UTC, Gavin Shan wrote:
From: Mike Qiu qiud...@linux.vnet.ibm.com
The patch synchronizes firmware header file (opal.h) for PCI error
injection.
diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h
index 4593a93..9113653 100644
---
On Thu, Sep 25, 2014 at 02:09:58PM +1000, Michael Ellerman wrote:
On Sun, 2014-17-08 at 03:02:26 UTC, Gavin Shan wrote:
The patch adds sysfs entry eeh_pe_state. Reading on it returns
the PE's state while writing to it clears the frozen state. It's
used to check or clear the PE frozen state from
On Thu, Sep 25, 2014 at 02:27:47PM +1000, Michael Ellerman wrote:
On Tue, 2014-26-08 at 07:56:16 UTC, Gavin Shan wrote:
From: Mike Qiu qiud...@linux.vnet.ibm.com
The patch synchronizes firmware header file (opal.h) for PCI error
injection.
diff --git a/arch/powerpc/include/asm/opal.h
It is often useful to see the instruction that caused an unhandled
exception.
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/kernel/traps.c | 17 +
1 file changed, 13 insertions(+), 4 deletions(-)
diff --git a/arch/powerpc/kernel/traps.c
On 09/24/2014 06:42 AM, Alex Williamson wrote:
On Tue, 2014-09-23 at 13:00 +1000, Alexey Kardashevskiy wrote:
Modern IBM POWERPC systems support multiple IOMMU tables per PE
so we need a more reliable way (compared to container_of()) to get
a PE pointer from the iommu_table struct pointer used
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