On 01/17/2014 05:23 PM, Nikita Yushchenko wrote:
Hi
While running LTP hugeltb tests on freescale powerpc board, I'm getting
[ 7253.637591] BUG: using smp_processor_id() in preemptible [ ]
code: hugemmap01/9048
[ 7253.637601] caller is free_hugepd_range.constprop.25+0x88/0x1a8
[
On 10/23/2013 05:31 PM, Tiejun Chen wrote:
Scott,
Tested on fsl-p5040 DS.
Scott,
Any comments to this version?
Tiejun
v6:
* rebase
* change the C code to initialize the exception stack addresses in the PACA
instead.
* Clear the PACA_IRQ_HARD_DIS force to exit directly from this debug ex
On 10/19/2013 07:32 AM, Scott Wood wrote:
On Thu, 2013-06-20 at 18:28 +0800, Tiejun Chen wrote:
When we're in kgdb_singlestep(), we have to work around to get
thread_info by copying from the kernel stack before calling
kgdb_handle_exception(), then copying it back afterwards.
But for PPC64, we
On 10/19/2013 07:55 AM, Scott Wood wrote:
On Thu, 2013-06-20 at 18:28 +0800, Tiejun Chen wrote:
We always alloc critical/machine/debug check exceptions. This is
different from the normal exception. So we should load these exception
stack properly like we did for booke.
Signed-off-by: Tiejun Che
On 10/19/2013 06:57 AM, Scott Wood wrote:
On Thu, 2013-06-20 at 18:28 +0800, Tiejun Chen wrote:
gdb always need to generate a single step properly to invoke
a kgdb state. But with lazy interrupt, book3e can't always
trigger a debug exception with a single step since the current
is blocked for ha
On 10/19/2013 06:58 AM, Scott Wood wrote:
On Thu, 2013-06-20 at 18:28 +0800, Tiejun Chen wrote:
Currently we need to skip this for supporting KGDB.
Does it need to depend on CONFIG_KGDB? Either you've fixed the "can't
quite save properly" part, or you haven't.
I'm not 100% sure if my change
On 10/19/2013 06:37 AM, Scott Wood wrote:
On Thu, 2013-06-20 at 18:28 +0800, Tiejun Chen wrote:
We always alloc critical/machine/debug check exceptions. This is
different from the normal exception. So we should load these exception
stack properly like we did for booke.
This is "booke". Do you
On 10/19/2013 06:43 AM, Scott Wood wrote:
On Thu, 2013-06-20 at 18:28 +0800, Tiejun Chen wrote:
We need to store thread info to these exception thread info like something
we already did for PPC32.
Signed-off-by: Tiejun Chen
---
arch/powerpc/kernel/exceptions-64e.S | 15 +++
1
On 07/10/2013 06:00 PM, Stefani Seibold wrote:
Am Mittwoch, den 10.07.2013, 16:48 +0800 schrieb tiejun.chen:
On 07/10/2013 04:39 PM, Stefani Seibold wrote:
Hi,
i have tried to kexec a 32 bit kernel on a Freescale P2020 dual core CPU
(e500v2, revison 5.1 - pvr 8021 1051), but Kexec will hang
On 07/10/2013 04:39 PM, Stefani Seibold wrote:
Hi,
i have tried to kexec a 32 bit kernel on a Freescale P2020 dual core CPU
(e500v2, revison 5.1 - pvr 8021 1051), but Kexec will hang after the
"Bye!".
The host and the kexec kernel are the same, based on the current kernel
version 3.10.
I have
On 07/10/2013 01:20 PM, Bhushan Bharat-R65777 wrote:
-Original Message-
From: Linuxppc-dev [mailto:linuxppc-dev-
bounces+bharat.bhushan=freescale@lists.ozlabs.org] On Behalf Of Tiejun Chen
Sent: Tuesday, July 09, 2013 1:33 PM
To: b...@kernel.crashing.org
Cc: linuxppc-...@lists.ozla
On 07/10/2013 01:17 PM, Bhushan Bharat-R65777 wrote:
-Original Message-
From: Linuxppc-dev [mailto:linuxppc-dev-
bounces+bharat.bhushan=freescale@lists.ozlabs.org] On Behalf Of Tiejun Chen
Sent: Tuesday, July 09, 2013 1:33 PM
To: b...@kernel.crashing.org
Cc: linuxppc-...@lists.ozla
On 07/03/2013 07:52 PM, Sethi Varun-B16395 wrote:
-Original Message-
From: Linuxppc-dev [mailto:linuxppc-dev-
bounces+varun.sethi=freescale@lists.ozlabs.org] On Behalf Of Tiejun
Chen
Sent: Thursday, June 20, 2013 1:23 PM
To: b...@kernel.crashing.org
Cc: linuxppc-...@lists.ozlabs.or
On 07/02/2013 01:17 PM, Bhushan Bharat-R65777 wrote:
-Original Message-
From: Linuxppc-dev [mailto:linuxppc-dev-
bounces+bharat.bhushan=freescale@lists.ozlabs.org] On Behalf Of Tiejun Chen
Sent: Thursday, June 20, 2013 1:23 PM
To: b...@kernel.crashing.org
Cc: linuxppc-...@lists.ozl
On 07/02/2013 01:37 PM, Bhushan Bharat-R65777 wrote:
-Original Message-
From: Linuxppc-dev [mailto:linuxppc-dev-
bounces+bharat.bhushan=freescale@lists.ozlabs.org] On Behalf Of Tiejun Chen
Sent: Thursday, June 20, 2013 1:23 PM
To: b...@kernel.crashing.org
Cc: linuxppc-...@lists.ozl
On 07/02/2013 01:00 PM, Bhushan Bharat-R65777 wrote:
-Original Message-
From: Linuxppc-dev [mailto:linuxppc-dev-
bounces+bharat.bhushan=freescale@lists.ozlabs.org] On Behalf Of Tiejun Chen
Sent: Thursday, June 20, 2013 1:23 PM
To: b...@kernel.crashing.org
Cc: linuxppc-...@lists.ozl
On 06/26/2013 04:44 PM, Bhushan Bharat-R65777 wrote:
-Original Message-
From: tiejun.chen [mailto:tiejun.c...@windriver.com]
Sent: Wednesday, June 26, 2013 12:25 PM
To: Bhushan Bharat-R65777
Cc: kvm-...@vger.kernel.org; k...@vger.kernel.org; ag...@suse.de; Wood Scott-
B07421; b
On 06/26/2013 01:42 PM, Bharat Bhushan wrote:
"ehpriv" instruction is used for setting software breakpoints
by user space. This patch adds support to exit to user space
with "run->debug" have relevant information.
As this is the first point we are using run->debug, also defined
the run->debug st
On 05/22/2013 05:43 PM, Sebastian Hesselbarth wrote:
On 05/21/2013 07:48 PM, Andrew Lunn wrote:
On Tue, May 21, 2013 at 06:41:44PM +0200, Sebastian Hesselbarth wrote:
This patch adds orion-eth and mvmdio device tree nodes for DT enabled
Dove boards. As there is only one ethernet controller on D
On 04/24/2013 01:55 PM, Anatolij Gustschin wrote:
On Wed, 24 Apr 2013 10:55:10 +0800
Tiejun Chen wrote:
commit 761bbcb7, "usb: ehci-fsl: set INCR8 mode for system bus interface
on MPC512x", introduced to fix one MPC5121e (M36P) Errata by setting
INCR8 mode for system bus interface on MPC512x,
Sorry, please ignore this temporarily since looks this is already covered in
tree.
I will look further into this to send another version.
Tiejun
On 04/24/2013 10:55 AM, Tiejun Chen wrote:
commit 761bbcb7, "usb: ehci-fsl: set INCR8 mode for system bus interface
on MPC512x", introduced to fix o
On 03/11/2013 09:33 AM, tiejun.chen wrote:
On 03/11/2013 06:39 AM, Alex Grad wrote:
While at it, check kmalloc return value.
Signed-off-by: Alex Grad
---
arch/powerpc/kernel/kgdb.c |5 -
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/kernel/kgdb.c b/arch
On 03/11/2013 06:39 AM, Alex Grad wrote:
While at it, check kmalloc return value.
Signed-off-by: Alex Grad
---
arch/powerpc/kernel/kgdb.c |5 -
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/kernel/kgdb.c b/arch/powerpc/kernel/kgdb.c
index 5ca82cd..9e81dd8
On 02/08/2013 10:41 AM, Benjamin Herrenschmidt wrote:
On Thu, 2013-01-31 at 20:04 -0600, Jason Wessel wrote:
diff --git a/arch/powerpc/kernel/kgdb.c b/arch/powerpc/kernel/kgdb.c
index 8747447..5ca82cd 100644
--- a/arch/powerpc/kernel/kgdb.c
+++ b/arch/powerpc/kernel/kgdb.c
@@ -154,12 +154,12 @@
Please ignore this to check next version.
Tiejun
On 01/15/2013 06:31 PM, Tiejun Chen wrote:
With lazy interrupt, some implementations of hotplug will
get some interrupts even while offline, just ignore these.
Signed-off-by: Tiejun Chen
---
arch/powerpc/kernel/irq.c |6 ++
1 file ch
On 12/21/2012 02:41 AM, Kumar Gala wrote:
On Dec 20, 2012, at 3:08 AM, Tiejun Chen wrote:
gdb always need to generate a single step properly to invoke
a kgdb state. But with lazy interrupt, book3e can't always
trigger a debug exception with a single step since the current
is blocked for handli
On 12/19/2012 06:10 AM, Tabi Timur-B04825 wrote:
On Thu, Oct 25, 2012 at 1:43 AM, Tiejun Chen wrote:
We always alloc critical/machine/debug check exceptions. This is
different from the normal exception. So we should load these exception
stack properly like we did for booke.
Tiejun,
I'm a lit
On 08/23/2012 11:14 AM, Nicholas A. Bellinger wrote:
> On Thu, 2012-08-23 at 10:10 +0800, Tiejun Chen wrote:
>> For powerpc BooKE and e200, singlestep is handled on the critical/dbg
>> exception stack. This causes current_thread_info() to fail for kgdb
>> internal, so previously We work around this
On 08/22/2012 11:07 PM, Tabi Timur-B04825 wrote:
> On Wed, Aug 22, 2012 at 5:43 AM, Tiejun Chen
> wrote:
>
>> +int kgdb_skipexception(int exception, struct pt_regs *regs)
>> +{
>> + if (kgdb_isremovedbreak(regs->nip))
>> + return 1;
>> +
>> + return 0;
>> +}
>
> int kg
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