On Mon, 2013-04-15 at 13:50 +1000, Paul Mackerras wrote:
> On Fri, Apr 12, 2013 at 10:16:59AM +0800, Li Zhong wrote:
> > It seems that in kernel_unmap_linear_page(), it only checks whether there
> > is a map in the linear_map_hash_slots array, so seems we don't need bolt
> > the hpte.
>
> I don't
On Wed, Apr 10, 2013 at 12:51:00PM +0530, Aruna Balakrishnaiah wrote:
> Removal of syslog prefix in the uncompressed oops text will
> help in capturing more oops data.
Why does it help? Does this effect any existing tools?
cheers
___
Linuxppc-dev mailin
On Mon, 2013-04-15 at 14:17 +1000, Michael Ellerman wrote:
> This patch adds preliminary support for the power8 PMU to perf.
Might be worthwhile to have a small blurb explaining roughly what you
mean by "preliminary" :-)
Cheers,
Ben.
> Signed-off-by: Michael Ellerman
> ---
> arch/powerpc/perf/
On Wed, Apr 10, 2013 at 12:51:12PM +0530, Aruna Balakrishnaiah wrote:
> Introduce version and timestamp information in the oops header.
> oops_log_info (oops header) holds version (to distinguish between old
> and new format oops header), length of the oops text
> (compressed or uncompressed) and t
On Wed, Apr 10, 2013 at 12:51:25PM +0530, Aruna Balakrishnaiah wrote:
> Introduce generic read function to read nvram partitions other than rtas.
> nvram_read_error_log will be retained which is used to read rtas partition
> from rtasd. nvram_read_partition is the generic read function to read from
On Wed, Apr 10, 2013 at 12:50:47PM +0530, Aruna Balakrishnaiah wrote:
> Currently the kernel provides the contents of p-series NVRAM only as a
> simple stream of bytes via /dev/nvram, which must be interpreted in user
> space by the nvram command in the powerpc-utils package. This patch set
> expl
On Monday 15 April 2013 12:50 PM, Michael Ellerman wrote:
On Wed, Apr 10, 2013 at 12:51:00PM +0530, Aruna Balakrishnaiah wrote:
Removal of syslog prefix in the uncompressed oops text will
help in capturing more oops data.
Why does it help? Does this effect any existing tools?
cheers
By sett
On Wed, Apr 10, 2013 at 12:53:03PM +0530, Aruna Balakrishnaiah wrote:
> This patch exploits pstore infrastructure in power systems.
> IBM's system p machines provide persistent storage for LPARs
In the kernel we use "pseries" instead of "system p".
> through NVRAM. NVRAM's lnx,oops-log partition
On Monday 15 April 2013 01:01 PM, Michael Ellerman wrote:
On Wed, Apr 10, 2013 at 12:51:12PM +0530, Aruna Balakrishnaiah wrote:
Introduce version and timestamp information in the oops header.
oops_log_info (oops header) holds version (to distinguish between old
and new format oops header), lengt
On Wed, Apr 10, 2013 at 12:53:27PM +0530, Aruna Balakrishnaiah wrote:
> This patch exploits pstore infrastructure to read the details
> from NVRAM's rtas partition.
Does that mean it's exposed in the pstore filesystem?
> Signed-off-by: Aruna Balakrishnaiah
> Reviewed-by: Jim Keniston
> ---
> a
On Mon, 2013-04-15 at 08:56 +0200, Benjamin Herrenschmidt wrote:
> On Mon, 2013-04-15 at 13:50 +1000, Paul Mackerras wrote:
> > On Fri, Apr 12, 2013 at 10:16:59AM +0800, Li Zhong wrote:
> > > It seems that in kernel_unmap_linear_page(), it only checks whether there
> > > is a map in the linear_map_
On Mon, 2013-04-15 at 16:32 +1000, Michael Ellerman wrote:
> On Fri, Apr 12, 2013 at 10:16:57AM +0800, Li Zhong wrote:
> > It seems that rflags don't get changed in the repeating loop, so move
> > it out of the loop.
> You've also changed the way new_pte is handled on repeat, but I think
> that's
On Mon, 2013-04-15 at 16:36 +1000, Michael Ellerman wrote:
> On Fri, Apr 12, 2013 at 10:17:00AM +0800, Li Zhong wrote:
> > This patch tries to fix following issue when CONFIG_DEBUG_PAGEALLOC
> > is enabled:
>
> Please include a better changelog.
OK, I'll use the following as a template, thank you
On Mon, Apr 15, 2013 at 09:31:26AM +0200, Benjamin Herrenschmidt wrote:
> On Mon, 2013-04-15 at 14:17 +1000, Michael Ellerman wrote:
> > This patch adds preliminary support for the power8 PMU to perf.
>
> Might be worthwhile to have a small blurb explaining roughly what you
> mean by "preliminary"
On Mon, 2013-04-15 at 16:15 +0800, Li Zhong wrote:
> So the code is implemented in ppc_md.hpte_remove(), may be called by
> __hash_huge_page(), and asm code htab_call_hpte_remove?
>
> > This is why the linear mapping (and the vmemmap) must be bolted.
>
> If not, it would result the infinite recu
On Thu, Apr 11, 2013 at 10:13:13AM -0300, Lucas Kannebley Tavares wrote:
> On pseries machines the detection for max_bus_speed should be done
> through an OpenFirmware property. This patch adds a function to perform this
> detection and a hook to perform dynamic adding of the function only for
> ps
On Thu, Nov 29, 2012 at 10:55:25AM +1100, Stephen Rothwell wrote:
> These sometimes produce unexpected results and make it hard to put the
> start up code (for 64 bit) into the .head.text section.
...
> diff --git a/arch/powerpc/kernel/head_fsl_booke.S
> b/arch/powerpc/kernel/head_fsl_booke.S
>
Hi Michael,
On Mon, 15 Apr 2013 22:00:17 +1000 Michael Ellerman
wrote:
>
> On Thu, Nov 29, 2012 at 10:55:25AM +1100, Stephen Rothwell wrote:
> > These sometimes produce unexpected results and make it hard to put the
> > start up code (for 64 bit) into the .head.text section.
>
> ...
>
> > diff
On Mon, Apr 15, 2013 at 12:42:00AM +0530, Varun Sethi wrote:
> swap_pci_ref function is used by the IOMMU API code for swapping pci device
> pointers, while determining the iommu group for the device.
> Currently this function was being implemented for different IOMMU drivers.
> This patch moves th
On Mon, Apr 15, 2013 at 8:58 AM, Joerg Roedel wrote:
> On Mon, Apr 15, 2013 at 12:42:00AM +0530, Varun Sethi wrote:
>> swap_pci_ref function is used by the IOMMU API code for swapping pci device
>> pointers, while determining the iommu group for the device.
>> Currently this function was being imp
Hi Michael,
On Mon, 15 Apr 2013 23:30:40 +1000 Stephen Rothwell
wrote:
>
> On Mon, 15 Apr 2013 22:00:17 +1000 Michael Ellerman
> wrote:
> >
> > On Thu, Nov 29, 2012 at 10:55:25AM +1100, Stephen Rothwell wrote:
> > > These sometimes produce unexpected results and make it hard to put the
> > > s
On Mon, 15 Apr 2013 15:42:01 +1000
Michael Neuling wrote:
> Linux next is currently failing to compile mpc85xx_defconfig with:
> arch/powerpc/sysdev/fsl_pci.c:944:2: error: too many arguments to function
> 'setup_pci_atmu'
>
> This is caused by (from Kumar's next branch):
> commit 34642bbb3
Fine, I will move it to iommu.h.
-Varun
> -Original Message-
> From: Joerg Roedel [mailto:j...@8bytes.org]
> Sent: Monday, April 15, 2013 8:29 PM
> To: Sethi Varun-B16395
> Cc: Yoder Stuart-B08248; Wood Scott-B07421; iommu@lists.linux-
> foundation.org; linuxppc-dev@lists.ozlabs.org; linu
On 04/10/2013 03:30 AM, Michael Ellerman wrote:
> On Mon, Mar 25, 2013 at 01:52:32PM -0500, Nathan Fontenot wrote:
>> From: Jesse Larrew
>>
>> A PRRN event is signaled via the RTAS event-scan mechanism, which
>> returns a Hot Plug Event message "fixed part" indicating "Platform
>> Resource Reassig
On Mon, 2013-04-15 at 13:27 +0200, Benjamin Herrenschmidt wrote:
> On Mon, 2013-04-15 at 16:15 +0800, Li Zhong wrote:
>
> > So the code is implemented in ppc_md.hpte_remove(), may be called by
> > __hash_huge_page(), and asm code htab_call_hpte_remove?
> >
> > > This is why the linear mapping (an
It seems that new_pte and rflags don't get changed in the repeating loop, so
move their assignment out of the loop.
Signed-off-by: Li Zhong
---
arch/powerpc/mm/hugetlbpage-hash64.c |8
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/powerpc/mm/hugetlbpage-hash64.c
Move the logic trying to insert hpte in __hash_page_huge() to an helper
function, so it could also be used by others.
Signed-off-by: Li Zhong
---
arch/powerpc/mm/hash_utils_64.c | 35 ++
arch/powerpc/mm/hugetlbpage-hash64.c | 31 ++
This patch fixes the following oops, which could be trigged by build the kernel
with many concurrent threads, under CONFIG_DEBUG_PAGEALLOC.
hpte_insert() might return -1, indicating that the bucket (primary here)
is full. We are not necessarily reporting a BUG in this case. Instead, we could
try r
>>
>> diff --git a/drivers/gpu/drm/radeon/evergreen.c
>> b/drivers/gpu/drm/radeon/evergreen.c
>> index 305a657..3291f62 100644
>> --- a/drivers/gpu/drm/radeon/evergreen.c
>> +++ b/drivers/gpu/drm/radeon/evergreen.c
>> @@ -3855,8 +3855,7 @@ void evergreen_fini(struct radeon_device *rdev)
>>
>> voi
On 04/14/2013 06:44 PM, Alistair Popple wrote:
> The current mainline crashes when hitting userspace with the following:
>
> kernel BUG at /home/alistair/Source/linux-stable/kernel/auditsc.c:1769!
> cpu 0x1: Vector: 700 (Program Check) at [c00023883a60]
> pc: c01047a8: .__audit_sys
Hi Michael,
Thanks for reviewing my patches.
On Monday 15 April 2013 01:25 PM, Michael Ellerman wrote:
On Wed, Apr 10, 2013 at 12:53:03PM +0530, Aruna Balakrishnaiah wrote:
This patch exploits pstore infrastructure in power systems.
IBM's system p machines provide persistent storage for LPARs
On Monday 15 April 2013 01:31 PM, Michael Ellerman wrote:
On Wed, Apr 10, 2013 at 12:53:27PM +0530, Aruna Balakrishnaiah wrote:
This patch exploits pstore infrastructure to read the details
from NVRAM's rtas partition.
Does that mean it's exposed in the pstore filesystem?
Yeah thats right.
This fixes these errors when building UP with CONFIG_KVM_BOOK3S_64_HV=y:
arch/powerpc/kvm/book3s_hv.c:1855:2: error: implicit declaration of function
'inhibit_secondary_onlining' [-Werror=implicit-function-declaration]
arch/powerpc/kvm/book3s_hv.c:1862:2: error: implicit declaration of function
Hi Grant.likely,
I really preciate if you can spend some times to review this patch.
Thanks,
Yuantian
> -Original Message-
> From: Tang Yuantian-B29983
> Sent: 2013年4月10日 11:37
> To: grant.lik...@secretlab.ca
> Cc: rob.herr...@calxeda.com; devicetree-disc...@lists.ozlabs.org; linux-
> ke
Hi Mike,
I really appreciate if you can spend some times to review this patch.
Thanks,
Yuantian
> -Original Message-
> From: Tang Yuantian-B29983
> Sent: 2013年4月9日 16:46
> To: mturque...@linaro.org
> Cc: linus.wall...@linaro.org; viresh.ku...@linaro.org;
> shawn@linaro.org; ulf.hans
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