__remove_pages() is only necessary for CONFIG_MEMORY_HOTREMOVE. PowerPC
pseries will return -EOPNOTSUPP if unsupported.
Adding an #ifdef causes several other functions it depends on to also
become unnecessary, which saves in .text when disabled (it's disabled in
most defconfigs besides powerpc,
David Gibson d...@au1.ibm.com writes:
On Thu, Apr 04, 2013 at 11:27:44AM +0530, Aneesh Kumar K.V wrote:
From: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
We allocate one page for the last level of linux page table. With THP and
large page size of 16MB, that would mean we are wasting
On Mon, Mar 25, 2013 at 02:02:09PM -0500, Nathan Fontenot wrote:
There are instances in which we do not want topology updates to occur.
In order to allow this a /proc interface (/proc/powerpc/topology_updates)
is introduced so that topology updates can be enabled and disabled.
This patch
On Wed, Apr 10, 2013 at 11:59:29AM +0530, Aneesh Kumar K.V wrote:
David Gibson d...@au1.ibm.com writes:
On Thu, Apr 04, 2013 at 11:27:44AM +0530, Aneesh Kumar K.V wrote:
[snip]
@@ -97,13 +100,45 @@ void __destroy_context(int context_id)
}
EXPORT_SYMBOL_GPL(__destroy_context);
On Thu, Apr 04, 2013 at 11:27:44AM +0530, Aneesh Kumar K.V wrote:
From: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
We allocate one page for the last level of linux page table. With THP and
large page size of 16MB, that would mean we are wasting large part
of that page. To map 16MB
From: Atsushi Kumagai kumagai-atsu...@mxc.nes.nec.co.jp
Date: Thu, 14 Mar 2013 11:08:57 +0900
Subject: [PATCH 1/4] Introduce new symbols to look at the first vmap_area.
struct vmlist which we used to get vmalloc_start value will be
removed from kernel soon, so we have to look at the first
From: Atsushi Kumagai kumagai-atsu...@mxc.nes.nec.co.jp
Date: Thu, 14 Mar 2013 19:10:49 +0900
Subject: [PATCH 2/4] Use vmap_area_list to get vmalloc_start for i386.
Try to get vmalloc_start value from vmap_area_list first for
newer i386 kernels.
Signed-off-by: Atsushi Kumagai
From: Atsushi Kumagai kumagai-atsu...@mxc.nes.nec.co.jp
Date: Fri, 15 Mar 2013 19:30:23 +0900
Subject: [PATCH 3/4] Use vmap_area_list to get vmalloc_start for ppc32.
Try to get vmalloc_start value from vmap_area_list first for
newer ppc32 kernels.
Signed-off-by: Atsushi Kumagai
On Thu, Apr 04, 2013 at 11:27:46AM +0530, Aneesh Kumar K.V wrote:
From: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
We look at both the segment base page size and actual page size and store
the pte-lp-encodings in an array per base page size.
We also update all relevant functions to
On Thu, Apr 04, 2013 at 11:27:57AM +0530, Aneesh Kumar K.V wrote:
From: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
HUGETLB clear the top bit of PMD entries and use that to indicate
a HUGETLB page directory. Since we store pfns in PMDs for THP,
we would have the top bit cleared by
From: Atsushi Kumagai kumagai-atsu...@mxc.nes.nec.co.jp
Date: Fri, 15 Mar 2013 19:34:30 +0900
Subject: [PATCH 4/4] Use vmap_area_list to get vmalloc_start for ppc64.
Try to get vmalloc_start value from vmap_area_list first for
newer ppc64 kernels.
Signed-off-by: Atsushi Kumagai
David Gibson d...@au1.ibm.com writes:
On Wed, Apr 10, 2013 at 11:59:29AM +0530, Aneesh Kumar K.V wrote:
David Gibson d...@au1.ibm.com writes:
On Thu, Apr 04, 2013 at 11:27:44AM +0530, Aneesh Kumar K.V wrote:
[snip]
@@ -97,13 +100,45 @@ void __destroy_context(int context_id)
}
Michael Ellerman mich...@ellerman.id.au writes:
On Thu, Apr 04, 2013 at 11:27:44AM +0530, Aneesh Kumar K.V wrote:
From: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
We allocate one page for the last level of linux page table. With THP and
large page size of 16MB, that would mean we are
David Gibson d...@au1.ibm.com writes:
On Thu, Apr 04, 2013 at 11:27:46AM +0530, Aneesh Kumar K.V wrote:
From: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
We look at both the segment base page size and actual page size and store
the pte-lp-encodings in an array per base page size.
We
On Mon, Mar 25, 2013 at 01:52:32PM -0500, Nathan Fontenot wrote:
From: Jesse Larrew jlar...@linux.vnet.ibm.com
A PRRN event is signaled via the RTAS event-scan mechanism, which
returns a Hot Plug Event message fixed part indicating Platform
Resource Reassignment. In response to the Hot Plug
A label 0 was missed in the patch a9c4e541 (powerpc/kprobe: Complete
kprobe and migrate exception frame). This will cause the kernel
branch to an undetermined address if there really has a conflict when
updating the thread flags.
Signed-off-by: Kevin Hao haoke...@gmail.com
Cc:
From: Michael Ellerman micha...@au1.ibm.com
On power8 the SIPR and SIHV are not in MMCRA, so convert the routines
to take regs and change the names accordingly.
Signed-off-by: Michael Ellerman micha...@au1.ibm.com
---
arch/powerpc/perf/core-book3s.c | 20 +++-
1 file changed,
From: Michael Ellerman micha...@au1.ibm.com
Add an accessor for regs-result so we can use it to store more flags in
future.
Signed-off-by: Michael Ellerman mich...@ellerman.id.au
---
arch/powerpc/perf/core-book3s.c |9 +++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git
From: Michael Ellerman micha...@au1.ibm.com
On power8 the presence or absence of SIPR depends on settings at runtime,
so convert to using a dynamic flag for NO_SIPR. Existing backends that
set NO_SIPR unconditionally set the dynamic flag obviously.
Signed-off-by: Michael Ellerman
From: Michael Ellerman micha...@au1.ibm.com
On power8 we have a new SIER (Sampled Instruction Event Register), which
captures information about instructions when we have random sampling
enabled.
Add support for loading the SIER into pt_regs, overloading regs-dar.
Also set the new NO_SIPR flag in
On 04/10/2013 04:31 PM, Kevin Hao wrote:
A label 0 was missed in the patch a9c4e541 (powerpc/kprobe: Complete
kprobe and migrate exception frame). This will cause the kernel
branch to an undetermined address if there really has a conflict when
updating the thread flags.
Signed-off-by: Kevin Hao
Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com writes:
Michael Ellerman mich...@ellerman.id.au writes:
On Thu, Apr 04, 2013 at 11:27:44AM +0530, Aneesh Kumar K.V wrote:
From: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
We allocate one page for the last level of linux page table.
# CCing linuxppc-dev to get advice on ppc for makedumpfile.
# makedumpfile is a userspace utility to create a smaller dump file,
# you can download it from the following URL.
# http://sourceforge.net/projects/makedumpfile/
-
Hello,
This patchset is to work with remove vm_struct list
Hi,
On Tue, 9 Apr 2013 14:56:09 +0800 yuantian.t...@freescale.com wrote:
From: Tang Yuantian yuantian.t...@freescale.com
As the function itself says it is caller's responsibility to call the
of_node_put(). So, remove it on success to keep the reference count
correct.
Signed-off-by:
-Original Message-
From: Stephen Rothwell [mailto:s...@canb.auug.org.au]
Sent: 2013年4月10日 17:03
To: Tang Yuantian-B29983
Cc: grant.lik...@secretlab.ca; devicetree-disc...@lists.ozlabs.org;
linuxppc-dev@lists.ozlabs.org; linux-ker...@vger.kernel.org;
rob.herr...@calxeda.com
On 04/03/2013 12:08 PM, Chen Yuanquan-B41889 wrote:
On 04/02/2013 11:10 PM, Benjamin Herrenschmidt wrote:
On Tue, 2013-04-02 at 19:26 +0800, Yuanquan Chen wrote:
So we move the DMA IRQ initialization code from
pcibios_setup_devices() and
construct a new function pcibios_enable_device. We call
Hi,
On Wed, 10 Apr 2013 09:06:11 + Tang Yuantian-B29983 b29...@freescale.com
wrote:
Yes, I already sent out the v2 patch.
Please see: http://patchwork.ozlabs.org/patch/235288/
Thanks. I should read all my email before replying to it :-)
--
Cheers,
Stephen Rothwell
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
exploits the pstore subsystem to expose each partition in NVRAM as a
separate
Removal of syslog prefix in the uncompressed oops text will
help in capturing more oops data.
Signed-off-by: Aruna Balakrishnaiah ar...@linux.vnet.ibm.com
Reviewed-by: Jim Keniston jkeni...@us.ibm.com
---
arch/powerpc/platforms/pseries/nvram.c |2 +-
1 file changed, 1 insertion(+), 1
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 timestamp.
Signed-off-by: Aruna Balakrishnaiah ar...@linux.vnet.ibm.com
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
any nvram partition.
Signed-off-by: Aruna Balakrishnaiah
This patch exploits pstore infrastructure in power systems.
IBM's system p machines provide persistent storage for LPARs
through NVRAM. NVRAM's lnx,oops-log partition is used to log
oops messages. In case pstore registration fails it will
fall back to kmsg_dump mechanism.
This patch will
This patch exploits pstore infrastructure to read the details
from NVRAM's rtas partition.
Signed-off-by: Aruna Balakrishnaiah ar...@linux.vnet.ibm.com
Reviewed-by: Jim Keniston jkeni...@us.ibm.com
---
arch/powerpc/platforms/pseries/nvram.c | 33 +---
Introduce os_partition member in nvram_os_partition structure
to identify if the partition is an os partition or not. This
will be useful to handle non-os partitions of-config and
common in subsequent patches.
Signed-off-by: Aruna Balakrishnaiah ar...@linux.vnet.ibm.com
Reviewed-by: Jim Keniston
This patch exploits pstore infrastructure to read the details
from NVRAM's of-config partition.
Signed-off-by: Aruna Balakrishnaiah ar...@linux.vnet.ibm.com
Reviewed-by: Jim Keniston jkeni...@us.ibm.com
---
arch/powerpc/platforms/pseries/nvram.c | 58 ++--
This patch exploits pstore infrastructure to read the details
from NVRAM's common partition.
Signed-off-by: Aruna Balakrishnaiah ar...@linux.vnet.ibm.com
Reviewed-by: Jim Keniston jkeni...@us.ibm.com
---
arch/powerpc/platforms/pseries/nvram.c | 17 -
fs/pstore/inode.c
On Apr 8, 2013, at 2:35 PM, Paul Bolle wrote:
The last users of Kconfig symbol MPC10X_OPENPIC were removed in v2.6.27.
Its Kconfig entry can be removed now.
Signed-off-by: Paul Bolle pebo...@tiscali.nl
---
Untested.
arch/powerpc/platforms/embedded6xx/Kconfig | 5 -
1 file changed,
On Mar 13, 2013, at 2:07 PM, Kumar Gala wrote:
Move to keeping the SoC registers that control and config the PCI
controllers on FSL SoCs in the pci_controller struct. This allows us to
not need to ioremap() the registers in multiple different places that
use them.
Signed-off-by: Kumar
On Apr 5, 2013, at 1:33 AM, Shaveta Leekha wrote:
B4860 and B4420 are similar that share some commonalities
* common features have been added in b4si-pre.dtsi and b4si-post.dtsi
* differences are added in respective silicon files of B4860 and B4420
There are several things missing from
On Apr 5, 2013, at 1:33 AM, Shaveta Leekha wrote:
B4860QDS and B4420QDS share same QDS board
* common board features have been added in b4qds.dts
* various board differences are in respective files of B4860 and B4420
Signed-off-by: Shaveta Leekha shav...@freescale.com
Signed-off-by:
On Apr 5, 2013, at 1:33 AM, Shaveta Leekha wrote:
- Add support for B4 board in board file b4_qds.c,
It is common for B4860, B4420 and B4220QDS as they share same QDS board
- Add B4QDS support in Kconfig and Makefile
B4860QDS is a high-performance computing evaluation, development and
On Apr 5, 2013, at 1:33 AM, Shaveta Leekha wrote:
Signed-off-by: Shaveta Leekha shav...@freescale.com
---
arch/powerpc/configs/corenet64_smp_defconfig |1 +
1 files changed, 1 insertions(+), 0 deletions(-)
applied to next
- k
___
Linuxppc-dev
On Apr 8, 2013, at 3:15 AM, Rojhalat Ibrahim wrote:
Up to now the PCIe link status on Freescale PCIe controllers was only
checked once at boot time. So hotplug did not work. With this patch the
link status is checked on every config read. PCIe devices not present at
boot time are found after
On Apr 5, 2013, at 1:33 AM, Shaveta Leekha wrote:
B4860 and B4420 are similar that share some commonalities
* common features have been added in b4si-pre.dtsi and b4si-post.dtsi
* differences are added in respective silicon files of B4860 and B4420
There are several things missing from
Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com writes:
David Gibson d...@au1.ibm.com writes:
On Wed, Apr 10, 2013 at 11:59:29AM +0530, Aneesh Kumar K.V wrote:
David Gibson d...@au1.ibm.com writes:
On Thu, Apr 04, 2013 at 11:27:44AM +0530, Aneesh Kumar K.V wrote:
[snip]
@@ -97,13
Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com writes:
static void hpte_decode(struct hash_pte *hpte, unsigned long slot,
- int *psize, int *ssize, unsigned long *vpn)
+ int *psize, int *apsize, int *ssize, unsigned long *vpn)
{
unsigned long avpn,
On Tue, 2013-04-09 at 23:07 -0700, David Rientjes wrote:
__remove_pages() is only necessary for CONFIG_MEMORY_HOTREMOVE. PowerPC
pseries will return -EOPNOTSUPP if unsupported.
Adding an #ifdef causes several other functions it depends on to also
become unnecessary, which saves in .text
Patches 1 and 2 I applied for 3.10, but I'd really like to have someone who
knows PPC ack 3 and 4. Especially if there is a hope that it goes through my
tree...
Link to original messages for your ease of review...
http://marc.info/?l=linux-kernelm=135768892320439w=2
Michael Ellerman mich...@ellerman.id.au writes:
On Thu, Apr 04, 2013 at 11:27:57AM +0530, Aneesh Kumar K.V wrote:
From: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
HUGETLB clear the top bit of PMD entries and use that to indicate
a HUGETLB page directory. Since we store pfns in PMDs
Add dts file for ac14xx board and its board compatible
string to the generic mpc512x board match list.
Signed-off-by: Anatolij Gustschin ag...@denx.de
---
arch/powerpc/boot/dts/ac14xx.dts | 392 +
arch/powerpc/platforms/512x/mpc512x_generic.c |1 +
2
On 04/08/2013 03:26:54 AM, Jia Hongtao wrote:
@@ -826,6 +829,124 @@ u64 fsl_pci_immrbar_base(struct pci_controller
*hose)
return 0;
}
+#ifdef CONFIG_E500
+
+#define OP_LWZ 32
+#define OP_LWZU 33
+#define OP_LBZ 34
+#define OP_LBZU 35
+#define OP_LHZ 40
+#define OP_LHZU 41
+#define
From: Kumar Gala ga...@kernel.crashing.org
The localbus node should be in at 0xfffe05000 not 0xffe05000. Also
fixed the names of the localbus and pci nodes to reflect the addresses
they are actually at.
Signed-off-by: Kumar Gala ga...@kernel.crashing.org
Signed-off-by: Kim Phillips
From: Roy ZANG tie-fei.z...@freescale.com
Some 85xx board, for example, P1020RDB-PC has on board silicon image
PCIe to SATA controller and when booting up, the filesystem will auto mount
to the SATA disk. So enable silicon image 3132 pcie to sata controller
by default
Signed-off-by: Roy Zang
Hi,
With the rework of the lazy EE, it seems that 64bit kernel works pretty
well on mpc85xx 64bit boards with lazy EE enabled. So this patch series
tries to enable the coreint for these boards by default. This passed
the ltp test on a t4240qds board and is based on Kumar's next branch.
---
Kevin
In order to support the Book3E external proxy, the flag
PACA_IRQ_EE_EDGE was introduced in patch 7230c564 (powerpc: Rework
lazy-interrupt handling). But it turns out that this is not needed.
And it is also not used by any code in the current kernel. According
to the PowerISA 2.0.6, the content of
With the patch 7230c564 (powerpc: Rework lazy-interrupt handling),
it seems that the coreint works pretty well on the 85xx 64bit kernel.
So use the coreint by default for these boards.
Signed-off-by: Kevin Hao haoke...@gmail.com
---
arch/powerpc/platforms/85xx/p5020_ds.c | 5 -
On Wed, Apr 10, 2013 at 01:41:16PM +0530, Aneesh Kumar K.V wrote:
David Gibson d...@au1.ibm.com writes:
On Thu, Apr 04, 2013 at 11:27:46AM +0530, Aneesh Kumar K.V wrote:
From: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
We look at both the segment base page size and actual page
On Wed, Apr 10, 2013 at 11:17:30PM +0530, Aneesh Kumar K.V wrote:
Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com writes:
David Gibson d...@au1.ibm.com writes:
On Wed, Apr 10, 2013 at 11:59:29AM +0530, Aneesh Kumar K.V wrote:
David Gibson d...@au1.ibm.com writes:
On Thu, Apr 04,
On Wed, Apr 10, 2013 at 01:23:25PM +0530, Aneesh Kumar K.V wrote:
David Gibson d...@au1.ibm.com writes:
On Wed, Apr 10, 2013 at 11:59:29AM +0530, Aneesh Kumar K.V wrote:
David Gibson d...@au1.ibm.com writes:
On Thu, Apr 04, 2013 at 11:27:44AM +0530, Aneesh Kumar K.V wrote:
[snip]
You
On Thu, Apr 04, 2013 at 11:27:47AM +0530, Aneesh Kumar K.V wrote:
From: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
As per ISA doc, we encode base and actual page size in the LP bits of
PTE. The number of bit used to encode the page sizes depend on actual
page size. ISA doc lists this
On Thu, Apr 04, 2013 at 11:27:53AM +0530, Aneesh Kumar K.V wrote:
From: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
This will be later used by powerpc THP support. In powerpc we want to use
pgtable for storing the hash index values. So instead of adding them to
mm_context list, we would
On Thu, Apr 04, 2013 at 11:27:51AM +0530, Aneesh Kumar K.V wrote:
From: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
This make sure we handle multiple page size segment correctly.
This needs a much more detailed message. In what way was the existing
code not matching the ISA
On Thu, Apr 04, 2013 at 11:27:50AM +0530, Aneesh Kumar K.V wrote:
From: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
Surely this can't be correct until the KVM H_ENTER implementation is
updated to cope with the MPSS page sizes.
--
David Gibson| I'll have my music
On Thu, Apr 04, 2013 at 11:27:52AM +0530, Aneesh Kumar K.V wrote:
From: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
On archs like powerpc that support different hugepage sizes, HPAGE_SHIFT
and other derived values like HPAGE_PMD_ORDER are not constants. So move
that to hugepage_init
On Thu, Apr 04, 2013 at 11:27:48AM +0530, Aneesh Kumar K.V wrote:
From: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
Signed-off-by: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
Reviewed-by: David Gibson da...@gibson.dropbear.id.au
--
David Gibson| I'll have my
Removing qoriq-sec4.1-0.dtsi as it is not used by any soc anymore.
Signed-off-by: Vakul Garg va...@freescale.com
---
arch/powerpc/boot/dts/fsl/qoriq-sec4.1-0.dtsi | 109 -
1 files changed, 0 insertions(+), 109 deletions(-)
delete mode 100644
The crypto node now contains a new property 'fsl,sec-era'.
This is required so that applications can retrieve era info without
having to be able to read SEC's register space.
Signed-off-by: Vakul Garg va...@freescale.com
---
Changelog:
v2: Added era in p1023si-post.dtsi as per Kim's
David Gibson d...@au1.ibm.com writes:
On Thu, Apr 04, 2013 at 11:27:50AM +0530, Aneesh Kumar K.V wrote:
From: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
Surely this can't be correct until the KVM H_ENTER implementation is
updated to cope with the MPSS page sizes.
Why ? We are
David Gibson d...@au1.ibm.com writes:
On Thu, Apr 04, 2013 at 11:27:51AM +0530, Aneesh Kumar K.V wrote:
From: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
This make sure we handle multiple page size segment correctly.
This needs a much more detailed message. In what way was the
On Thu, Apr 04, 2013 at 11:27:55AM +0530, Aneesh Kumar K.V wrote:
From: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
We now have pmd entries covering to 16MB range. To implement THP on powerpc,
we double the size of PMD. The second half is used to deposit the pgtable
(PTE page).
We
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