To make sure that on host, the pages marked with _PAGE_NUMA result in a fault
when guest access them, we should force the checking when guest uses hypercall
to setup hpte.
Signed-off-by: Liu Ping Fan pingf...@linux.vnet.ibm.com
---
v2:
It should be the reply to [PATCH 2/4] powernv: kvm: make
On Tue, Jan 21, 2014 at 9:10 AM, Geert Uytterhoeven
ge...@linux-m68k.org wrote:
JFYI, when comparing v3.13[1] to v3.13-rc8[3], the summaries are:
- build errors: +22/-3
+ /scratch/kisskb/src/arch/sh/drivers/superhyway/ops-sh4-202.c:
error: (near initialization for 'dmac_resource.end'): =
On Tue, Jan 21, 2014 at 11:40 AM, Aneesh Kumar K.V
aneesh.ku...@linux.vnet.ibm.com wrote:
Liu ping fan kernelf...@gmail.com writes:
On Mon, Jan 20, 2014 at 11:45 PM, Aneesh Kumar K.V
aneesh.ku...@linux.vnet.ibm.com wrote:
Liu ping fan kernelf...@gmail.com writes:
On Thu, Jan 9, 2014 at 8:08
On Tue, Jan 21, 2014 at 5:07 PM, Liu ping fan kernelf...@gmail.com wrote:
On Tue, Jan 21, 2014 at 11:40 AM, Aneesh Kumar K.V
aneesh.ku...@linux.vnet.ibm.com wrote:
Liu ping fan kernelf...@gmail.com writes:
On Mon, Jan 20, 2014 at 11:45 PM, Aneesh Kumar K.V
aneesh.ku...@linux.vnet.ibm.com
Liu Ping Fan kernelf...@gmail.com writes:
To make sure that on host, the pages marked with _PAGE_NUMA result in a fault
when guest access them, we should force the checking when guest uses hypercall
to setup hpte.
Signed-off-by: Liu Ping Fan pingf...@linux.vnet.ibm.com
Reviewed-by: Aneesh
On Mon, Jan 20, 2014 at 03:48:36PM +0100, Alexander Graf wrote:
On 15.01.2014, at 07:36, Liu ping fan kernelf...@gmail.com wrote:
On Thu, Jan 9, 2014 at 8:08 PM, Alexander Graf ag...@suse.de wrote:
On 11.12.2013, at 09:47, Liu Ping Fan kernelf...@gmail.com wrote:
This series is
On Tue, Jan 21, 2014 at 12:06 PM, “tiejun.chen” tiejun.c...@windriver.com
wrote:
On 01/21/2014 02:04 PM, Arun Chandran wrote:
On Mon, Jan 20, 2014 at 1:55 PM, �tiejun.chen�
tiejun.c...@windriver.comwrote:
On 01/17/2014 03:52 PM, Arun Chandran wrote:
Hi,
I am testing kgdb on freescale
On Fri, Jan 17, 2014 at 12:25:28PM +0800, Kevin Hao wrote:
Guenter Roeck has got the following call trace on a p2020 board:
Kernel stack overflow in process eb3e5a00, r1=eb79df90
CPU: 0 PID: 2838 Comm: ssh Not tainted 3.13.0-rc8-juniper-00146-g19eca00 #4
task: eb3e5a00 ti: c0616000
On 01/20/2014 11:37 PM, Scott Wood wrote:
On Mon, 2014-01-20 at 17:38 +0100, Valentin Longchamp wrote:
On 01/17/2014 10:48 PM, Scott Wood wrote:
On Fri, 2014-01-17 at 13:51 +0100, Valentin Longchamp wrote:
Hi Scott,
Thanks for you feedback.
On 01/17/2014 12:35 AM, Scott Wood wrote:
On
On Tue, 2014-01-21 at 17:34 +0100, Valentin Longchamp wrote:
On 01/20/2014 11:37 PM, Scott Wood wrote:
On Mon, 2014-01-20 at 17:38 +0100, Valentin Longchamp wrote:
On 01/17/2014 10:48 PM, Scott Wood wrote:
Why isn't the compatible keymile,kmcoge4, like the model?
Because kmcoge4 is the
On Jan 18, 2014, at 12:21 AM, Prabhakar Kushwaha prabha...@freescale.com
wrote:
Freescale IFC controller has been used for mpc8xxx. It will be used
for ARM-based SoC as well. This patch moves the driver to driver/memory
and fix the header file includes.
Also remove
Even though KVM is bool, KVM_BOOK3S_32 and KVM_BOOK3S_64 are declared
as Kconfig tristate, so this file really should be including
module.h instead of export.h -- it only works currently because
module_init is currently (mis)placed in init.h -- but we are
intending to clean that up and relocate it
In powerpc, CONFIG_KVM is bool, and so are these three subarch
options, for the 44x and e500 variants. This means that any
module_exit() calls and functions used by them such as the
kvmppc_booke_exit() are dead code. Here we remove them.
In addition, rather than use module_init, which is just
The FSL_SOC option is bool, and hence this code is either
present or absent. It will never be modular, so using
module_init as an alias for __initcall is rather misleading.
Fix this up now, so that we can relocate module_init from
init.h into module.h in the future. If we don't do this, we'd
The hugetlbpage.o is obj-y (always built in). It will never
be modular, so using module_init as an alias for __initcall is
somewhat misleading.
Fix this up now, so that we can relocate module_init from
init.h into module.h in the future. If we don't do this, we'd
have to add module.h to
The suspend.o is built for SUSPEND -- which is bool, and hence
this code is either present or absent. It will never be modular,
so using module_init as an alias for __initcall can be somewhat
misleading.
Fix this up now, so that we can relocate module_init from
init.h into module.h in the
TL;DR - We removed cpuinit and devinit, which left ~2000 instances of
include linux/init.h that were no longer needed. To fully enable
this removal/cleanup, we relocate module_init() from init.h into
module.h. Multi arch/multi config build testing on linux-next has
been used to find and fix any
Most were already deleted in the 1st pass audit; this instance
showed up more recently.
Cc: Benjamin Herrenschmidt b...@kernel.crashing.org
Cc: Paul Mackerras pau...@samba.org
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Paul Gortmaker paul.gortma...@windriver.com
---
None of these files are actually using any __init type directives
and hence don't need to include linux/init.h. Most are just a
left over from __devinit and __cpuinit removal, or simply due to
code getting copied from one driver to the next.
Cc: Benjamin Herrenschmidt b...@kernel.crashing.org
Currently these two RTC devices are in core platform code
where it is not possible for them to be modular. It will
never be modular, so using module_init as an alias for
__initcall can be somewhat misleading.
Fix this up now, so that we can relocate module_init from
init.h into module.h in the
We expose a number of OF properties in the kexec and crash dump code
and these need to be big endian.
Cc: sta...@vger.kernel.org # v3.13
Signed-off-by: Anton Blanchard an...@samba.org
--
diff --git a/arch/powerpc/kernel/machine_kexec.c
b/arch/powerpc/kernel/machine_kexec.c
index
On Tue, 2014-01-21 at 08:14 -0800, Guenter Roeck wrote:
On Fri, Jan 17, 2014 at 12:25:28PM +0800, Kevin Hao wrote:
Guenter Roeck has got the following call trace on a p2020 board:
Kernel stack overflow in process eb3e5a00, r1=eb79df90
CPU: 0 PID: 2838 Comm: ssh Not tainted
On 14-01-21 04:22 PM, Paul Gortmaker wrote:
In powerpc, CONFIG_KVM is bool, and so are these three subarch
options, for the 44x and e500 variants. This means that any
module_exit() calls and functions used by them such as the
kvmppc_booke_exit() are dead code. Here we remove them.
In
This fixes a logic error that caused a failure to update the hw breakpoint
registers when not using the hw-breakpoint interface.
Signed-off-by: Andreas Schwab sch...@linux-m68k.org
---
arch/powerpc/kernel/process.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git
This patchset fixes a couple of issues encountered in the suspend/resume code
base. First when using the kernel device tree update code update-nodes is
unnecessarily called more than once. Second the cpu cache lists are not
updated after a suspend/resume which under certain conditions may cause a
The current code makes rtas calls for update-nodes, activate-firmware and then
update-nodes again. The FW provides the same data for both update-nodes calls.
As a result a proc entry exists error is reported for the second update while
adding device nodes.
This patch makes a single rtas call for
pHyp can change cache nodes for suspend/resume operation. The current code
updates the device tree after all non boot CPUs are enabled. Hence, we do not
modify the cache list based on the latest cache nodes. Also we do not remove
cache entries for the primary CPU.
This patch removes the cache
Tradiontally it has been drmgr's responsibilty to update the device tree
through the /proc/ppc64/ofdt interface after a suspend/resume operation.
This patchset however has modified suspend/resume ops to preform that update
entirely in the kernel during the resume. Therefore, a mechanism is
Hi Paul,
On Tue, 2014-01-21 at 16:22 -0500, Paul Gortmaker wrote:
Currently these two RTC devices are in core platform code
where it is not possible for them to be modular. It will
never be modular, so using module_init as an alias for
__initcall can be somewhat misleading.
On Thu, 2014-01-16 at 15:53 -0800, Cody P Schafer wrote:
These patches add basic pmus for 2 powerpc hypervisor interfaces to obtain
performance counters: gpci (get performance counter info) and 24x7.
The counters supplied by these interfaces are continually counting and never
need to be (and
On Tue, Jan 21, 2014 at 6:48 PM, Geoff Levand ge...@infradead.org wrote:
Hi Paul,
On Tue, 2014-01-21 at 16:22 -0500, Paul Gortmaker wrote:
Currently these two RTC devices are in core platform code
where it is not possible for them to be modular. It will
never be modular, so using
Paul Mackerras pau...@samba.org writes:
On Mon, Jan 20, 2014 at 03:48:36PM +0100, Alexander Graf wrote:
On 15.01.2014, at 07:36, Liu ping fan kernelf...@gmail.com wrote:
On Thu, Jan 9, 2014 at 8:08 PM, Alexander Graf ag...@suse.de wrote:
On 11.12.2013, at 09:47, Liu Ping Fan
I'm not near my machine to test but looks good.
Thanks,
Mikey
On 22 Jan 2014 08:56, Andreas Schwab sch...@linux-m68k.org wrote:
This fixes a logic error that caused a failure to update the hw breakpoint
registers when not using the hw-breakpoint interface.
Signed-off-by: Andreas Schwab
Hi Paul,
On Tue, 21 Jan 2014 16:22:03 -0500 Paul Gortmaker
paul.gortma...@windriver.com wrote:
Where: This work exists as a queue of patches that I apply to
linux-next; since the changes are fixing some things that currently
can only be found there. The patch series can be found at:
On PowerPC, when CPUs enter certain deep idle states, the local timers stop
and the time base could go out of sync with the rest of the cores in the system.
This patchset adds support to wake up CPUs in such idle states by
broadcasting IPIs to them at their next timer events using the tick
From: Srivatsa S. Bhat srivatsa.b...@linux.vnet.ibm.com
The IPI handlers for both PPC_MSG_CALL_FUNC and PPC_MSG_CALL_FUNC_SINGLE map
to a common implementation - generic_smp_call_function_single_interrupt(). So,
we can consolidate them and save one of the IPI message slots, (which are
precious on
From: Srivatsa S. Bhat srivatsa.b...@linux.vnet.ibm.com
For scalability and performance reasons, we want the tick broadcast IPIs
to be handled as efficiently as possible. Fixed IPI messages
are one of the most efficient mechanisms available - they are faster than
the smp_call_function mechanism
Split timer_interrupt(), which is the local timer interrupt handler on ppc
into routines called during regular interrupt handling and __timer_interrupt(),
which takes care of running local timers and collecting time related stats.
This will enable callers interested only in running expired local
From: Vaidyanathan Srinivasan sva...@linux.vnet.ibm.com
Before adding Fast-Sleep into the cpuidle framework, some low level
support needs to be added to enable it. This includes saving and
restoring of certain registers at entry and exit time of this state
respectively just like we do in the NAP
From: Vaidyanathan Srinivasan sva...@linux.vnet.ibm.com
During Fast-sleep and deeper power savings state, decrementer and
timebase could be stopped making it out of sync with rest
of the cores in the system.
Add a firmware call to request platform to resync timebase
using low level platform
On some architectures, in certain CPU deep idle states the local timers stop.
An external clock device is used to wakeup these CPUs. The kernel support for
the
wakeup of these CPUs is provided by the tick broadcast framework by using the
external clock device as the wakeup source.
However not
Fast sleep is one of the deep idle states on Power8 in which local timers of
CPUs stop. On PowerPC we do not have an external clock device which can
handle wakeup of such CPUs. Now that we have the support in the tick broadcast
framework for archs that do not sport such a device and the low level
Add deep idle states such as nap and fast sleep to the cpuidle state table
only if they are discovered from the device tree during cpuidle initialization.
Signed-off-by: Preeti U Murthy pre...@linux.vnet.ibm.com
---
drivers/cpuidle/cpuidle-powernv.c | 81 +
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