We currently have a bug in the PRD code, where the contents of an
incoming message (beyond the header) will be overwritten by the list
item manipulations when adding to to the prd_msg_queue.
This change reorders struct opal_prd_msg_queue_item, so that the
message body doesn't overlap the
The kernel now supports SW based branch filters for book3s systems with
some specific requirements while dealing with HW supported branch filters
in order to achieve overall OR semantics prevailing in perf branch stack
sampling framework. This patch adapts the BHRB branch filter configuration
to
-Original Message-
From: Eric Dumazet [mailto:eric.duma...@gmail.com]
On Wed, 2015-06-10 at 07:38 +, Madalin-Cristian Bucur wrote:
Hi Eric,
Can you please tell us if this change would be for the better?
I was about to say yes to this request but checked and no other
This patch simply changes the name of the variable from 'bhrb_filter' to
'bhrb_hw_filter' in order to add one more variable which will track SW
filters in generic powerpc book3s code which will be implemented in the
subsequent patch. This patch does not change any functionality.
Signed-off-by:
Branch record attributes 'mispred' and 'predicted' are single bit
fields as defined in the perf ABI. Hence the data type of the field
'pred' used during BHRB processing should be changed from integer
to bool. This patch also changes the name of the variable from 'pred'
to 'mispred' making the
The commit 69111bac42f5ce (powerpc: Replace __get_cpu_var uses)
replaced all usage of get_cpu_var with this_cpu_ptr inside core
perf event handling on powerpc. But it skipped one of them which
is being replaced with this patch.
Reported-by: Daniel Axtens d...@axtens.net
Signed-off-by: Anshuman
This patch cleans up some existing indentation problem in code and
re organizes the BHRB processing code with an helper function named
'update_branch_entry' making it more readable. This patch does not
change any functionality.
Signed-off-by: Anshuman Khandual khand...@linux.vnet.ibm.com
---
This patch enables privilege mode SW branch filters. Also modifies
POWER8 PMU branch filter configuration so that the privilege mode
branch filter implemented as part of base PMU event configuration
is reflected in bhrb filter mask. As a result, the SW will skip and
not try to process the
This patch enables SW based post processing of BHRB captured branches
to be able to meet more user defined branch filtration criteria in perf
branch stack sampling framework. These changes increase the number of
branch filters and their valid combinations on any powerpc64 server
platform with BHRB
On Mon, Jun 15, 2015 at 12:56 PM, Geert Uytterhoeven
ge...@linux-m68k.org wrote:
JFYI, when comparing v4.1-rc8[1] to v4.1-rc7[3], the summaries are:
- build errors: +10/-7
+
/home/kisskb/slave/src/Documentation/prctl/disable-tsc-ctxt-sw-stress-test.c:
error: impossible register constraint
-Original Message-
From: Eric Dumazet [mailto:eric.duma...@gmail.com]
On Wed, 2015-04-29 at 17:56 +0300, Madalin Bucur wrote:
This introduces the Freescale Data Path Acceleration Architecture
(DPAA) Ethernet driver (dpaa_eth) that builds upon the DPAA QMan,
BMan, PAMU and FMan
This patch adds a test for verifying that all the branch stack
sampling filters supported on powerpc work correctly. It also
adds some assembly helper functions in this regard. This patch
extends the generic event description to handle kernel mapped
ring buffers.
Signed-off-by: Anshuman Khandual
'commit 9de5cb0f6df8 (powerpc/perf: Add per-event excludes on Power8)'
broke the PMU based BHRB privilege level filter. BHRB depends on the
same MMCR0 bits for privilege level filter which was used to freeze all
the PMCs as a group. Once we moved to individual event based privilege
filters through
This patch does some code re-arrangements to make it clear that kernel
ignores any separate privilege level branch filter request and does not
support any combinations of HW PMU branch filters.
Signed-off-by: Anshuman Khandual khand...@linux.vnet.ibm.com
---
arch/powerpc/perf/power8-pmu.c | 22
Generic powerpc branch analysis support added in the code patching
library which will help the subsequent patch on SW based filtering
of branch records in perf.
Signed-off-by: Anshuman Khandual khand...@linux.vnet.ibm.com
---
arch/powerpc/include/asm/code-patching.h | 15
This is the continuation (rebased and reworked) of the series
posted at https://lkml.org/lkml/2014/5/5/153 (which is V6). I remember
to have incremented the version count for the re-send of the first four
patches of the series to Peter Z for generic review which got pulled in
last year.
BHRB (Branch History Rolling Buffer) is a rolling buffer. Hence we
might end up in a situation where we have read one target address
but when we try to read the next entry indicating the from address
of the target address, the buffer just overflows. In this case, the
captured from address will be
This patch just changes data type of bhrb_users variable from
int to unsigned int because it never contains a negative value.
Reported-by: Daniel Axtens d...@axtens.net
Signed-off-by: Anshuman Khandual khand...@linux.vnet.ibm.com
---
arch/powerpc/perf/core-book3s.c | 2 +-
1 file changed, 1
Hi Paul,
Thank you very much for your feedback.
I'm planning to address the issues you've raised in the next submission.
Regards,
Igal Liberman.
-Original Message-
From: Paul Bolle [mailto:pebo...@tiscali.nl]
Sent: Thursday, June 11, 2015 12:38 PM
To: Bucur Madalin-Cristian-B32716
On Thu, 11 Jun 2015, Andrew Morton wrote:
On Thu, 11 Jun 2015 15:21:30 -0400 Eric B Munson emun...@akamai.com wrote:
Ditto mlockall(MCL_ONFAULT) followed by munlock(). I'm not sure
that even makes sense but the behaviour should be understood and
tested.
I have extended the
On Mon, 2015-06-15 at 13:40 +, Madalin-Cristian Bucur wrote:
-Original Message-
From: Eric Dumazet [mailto:eric.duma...@gmail.com]
On Wed, 2015-04-29 at 17:56 +0300, Madalin Bucur wrote:
This introduces the Freescale Data Path Acceleration Architecture
(DPAA) Ethernet
On Fri, 12 Jun 2015, Vlastimil Babka wrote:
On 06/11/2015 09:34 PM, Andrew Morton wrote:
On Thu, 11 Jun 2015 15:21:30 -0400 Eric B Munson emun...@akamai.com wrote:
Ditto mlockall(MCL_ONFAULT) followed by munlock(). I'm not sure
that even makes sense but the behaviour should be understood
On Sun, 2015-14-06 at 07:46:08 UTC, Finn Thain wrote:
Signed-off-by: Finn Thain fth...@telegraphics.com.au
Acked-by: Geert Uytterhoeven ge...@linux-m68k.org
---
drivers/macintosh/nvram.c | 130
--
1 file changed, 130 deletions(-)
This seems
On Mon, 2015-06-15 at 23:42 -0400, Bob Cochran wrote:
On 06/10/2015 11:21 AM, Madalin Bucur wrote:
+#define FM_QMI_NO_ECC_EXCEPTIONS /* P1 */
+#define FM_CSI_CFED_LIMIT /* P1 */
+#define FM_PEDANTIC_DMA/* P1 */
+#define
perf kvm {record|report} is used to record and report the performance
profile of any workload on a guest. From the host, we can collect
guest kernel statistics which is useful in finding out any contentions
in guest kernel symbols for a certain workload.
This feature is not available on powerpc
On 06/10/2015 11:21 AM, Madalin Bucur wrote:
From: Igal Liberman igal.liber...@freescale.com
Add Frame Manger Driver support.
This patch adds The FMan configuration, initialization and
runtime control routines.
Signed-off-by: Igal Liberman igal.liber...@freescale.com
---
On Mon, 15 Jun 2015, Geert Uytterhoeven wrote:
Hi Finn,
On Sun, Jun 14, 2015 at 9:46 AM, Finn Thain fth...@telegraphics.com.au
wrote:
--- linux.orig/arch/m68k/mac/misc.c 2015-06-14 17:46:02.0 +1000
+++ linux/arch/m68k/mac/misc.c 2015-06-14 17:46:03.0 +1000
@@
Hi Paul,
On 06/15/2015 11:09 AM, Paul Mackerras wrote:
On Mon, Jun 15, 2015 at 10:26:07AM +0530, Hemant Kumar wrote:
To analyze the kvm exits with perf, we will need to map the exit codes
with the exit reasons. Such a mapping exists today in trace_book3s.h.
Currently its not exported to perf.
On Mon, Jun 15, 2015 at 05:49:59PM +1000, Alexey Kardashevskiy wrote:
The pnv_pci_ioda2_unset_window() function is used to do the final
cleanup of a DMA window being released:
- via VFIO ioctl by the guest request;
- via unplugging a virtual PCI function.
However the function was under #ifdef
Nikunj A Dadhania nik...@linux.vnet.ibm.com writes:
Reworded commit log:
From: Nikunj A Dadhania nik...@linux.vnet.ibm.com
powerpc/numa: initialize distance lookup table from drconf path
Ping ?
Regards
Nikunj
___
Linuxppc-dev mailing list
Jeremy Kerr j...@ozlabs.org writes:
We currently have a bug in the PRD code, where the contents of an
incoming message (beyond the header) will be overwritten by the list
item manipulations when adding to to the prd_msg_queue.
This change reorders struct opal_prd_msg_queue_item, so that the
On Mon, Jun 15, 2015 at 9:42 AM, David Long dave.l...@linaro.org wrote:
From: David A. Long dave.l...@linaro.org
Move duplicate and functionally equivalent code for accessing registers
and stack (CONFIG_HAVE_REGS_AND_STACK_ACCESS_API) from arch subdirs into
common kernel files.
Note: Help
Hi Finn,
On Sun, Jun 14, 2015 at 9:46 AM, Finn Thain fth...@telegraphics.com.au wrote:
--- linux.orig/arch/m68k/mac/misc.c 2015-06-14 17:46:02.0 +1000
+++ linux/arch/m68k/mac/misc.c 2015-06-14 17:46:03.0 +1000
@@ -284,11 +287,31 @@ static void via_pram_command(int command
On Thursday, June 04, 2015 12:06:36 PM Viresh Kumar wrote:
On 04-06-15, 14:25, yuantian.t...@freescale.com wrote:
From: Tang Yuantian yuantian.t...@freescale.com
Each time the CPU switches its frequency, the clock nodes in
DTS are walked through to find proper clock source. This is
On Fri, 2015-06-12 at 21:52 -0500, Lijun Pan wrote:
It is always a headache dealing with different defconfigs
though they only differ in a few places. Hence we are proposing a new
way of writing the defconfig:
1. Define a basic defconfig say mpc85xx_basic_defconfig
2. Spin off as much
On 2015/3/27 5:14, Scott Wood wrote:
Commit bb344ca5b90df6 (powerpc/mpc85xx: Add ranges to etsec2 nodes)
fixes a bug that was exposed by commit 746c9e9f92dd (of/base: Fix
PowerPC address parsing hack). The latter commit was applied to stable
trees, so the former should be as well.
Queued
On Fri, 2015-12-06 at 06:19:17 UTC, Alexey Kardashevskiy wrote:
The existing code puts all devices from a root PE to the same IOMMU group.
However it is a possible situation when subordinate buses belong to
separate PEs, in this case devices from these subordinate buses
should be added to
On Mon, 2015-06-15 at 13:44 +1000, Alistair Popple wrote:
On Fri, 12 Jun 2015 19:47:35 Michael Ellerman wrote:
On Thu, 2015-11-06 at 09:25:29 UTC, Alistair Popple wrote:
opal_init() is called via a machine_subsys_initcall(). Due to a hack
in the eeh code the eeh driver is initialised with
The pnv_pci_ioda2_unset_window() function is used to do the final
cleanup of a DMA window being released:
- via VFIO ioctl by the guest request;
- via unplugging a virtual PCI function.
However the function was under #ifdef CONFIG_IOMMU_API and was missing.
This moves the helper outside of
From: David A. Long dave.l...@linaro.org
Move duplicate and functionally equivalent code for accessing registers
and stack (CONFIG_HAVE_REGS_AND_STACK_ACCESS_API) from arch subdirs into
common kernel files.
Note: Help regression testing s390, hexagon, and sh would be appreciated.
Powerpc
From: David A. Long dave.l...@linaro.org
The pt_regs_offset structure is used for HAVE_REGS_AND_STACK_ACCESS_API
feature and has identical definitions in four different arch ptrace.h
include files. It seems unlikely that definition would ever need to be
changed regardless of architecture so lets
From: David A. Long dave.l...@linaro.org
Several architectures have identical or functionally equivalent code
implementing parts of the HAVE_REGS_AND_STACK_ACCESS_API feature. Move
that code out of the architecture directories.
Signed-off-by: David A. Long dave.l...@linaro.org
---
On 06/15/15 16:44, Kees Cook wrote:
On Mon, Jun 15, 2015 at 9:42 AM, David Long dave.l...@linaro.org wrote:
From: David A. Long dave.l...@linaro.org
Move duplicate and functionally equivalent code for accessing registers
and stack (CONFIG_HAVE_REGS_AND_STACK_ACCESS_API) from arch subdirs into
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