Suraj Jitindar Singh writes:
> ISA 3.00 adds the logical PVR value 0x0f05, so add a definition for
> this.
>
> Define PCR_ARCH_207 to reflect ISA 2.07 compatibility mode in the processor
> compatibility register (PCR). Also define a dummy ISA 3.00 compatibility
> mode PCR_ARCH_300 to be used
On 11/8/16, Michael Ellerman wrote:
> Can you guys let me know if Hugh's fix works for you?
>
> https://patchwork.ozlabs.org/patch/691753/
Ok, the patch works fine for me.
>
> cheers
>
Gautham R Shenoy writes:
> On Tue, Nov 08, 2016 at 11:21:23AM +1100, Michael Ellerman wrote:
>> Denis Kirjanov writes:
>> > On 11/7/16, Michael Ellerman wrote:
>> >> Denis Kirjanov writes:
>> >>> [ 67.700897] BUG: using smp_processor_id() in preemptible
>> >>> [] code: cat/7343
>
[ 67.700897] BUG: using smp_processor_id() in preemptible []
code: cat/7343
[ 67.700988] caller is .powernv_cpufreq_throttle_check+0x2c/0x710
[ 67.700998] CPU: 13 PID: 7343 Comm: cat Not tainted 4.8.0-rc5-dirty #1
[ 67.701038] Call Trace:
[ 67.701066] [c00
Nicholas Piggin writes:
> This has not made its way to a PAPR release yet, but we have an hcall
> number assigned.
>
> H_SIGNAL_SYS_RESET = 0x380
>
> Syntax:
> hcall(uint64 H_SIGNAL_SYS_RESET, /* generate a system reset NMI on */
>/* the threads indicat
+some more folks from IBM.
On 08-11-16, 03:35, Denis Kirjanov wrote:
> [ 67.700897] BUG: using smp_processor_id() in preemptible []
> code: cat/7343
> [ 67.700988] caller is .powernv_cpufreq_throttle_check+0x2c/0x710
> [ 67.700998] CPU: 13 PID: 7343 Comm: cat Not tainted
On 11/8/16, Viresh Kumar wrote:
> +some more folks from IBM.
>
> On 08-11-16, 03:35, Denis Kirjanov wrote:
>> [ 67.700897] BUG: using smp_processor_id() in preemptible []
>> code: cat/7343
>> [ 67.700988] caller is .powernv_cpufreq_throttle_check+0x2c/0x710
>> [ 67.700998
With preemption turned on we can read incorrect throttling state while being
switched
to CPU on a different chip.
[ 67.700897] BUG: using smp_processor_id() in preemptible []
code: cat/7343
[ 67.700988] caller is .powernv_cpufreq_throttle_check+0x2c/0x710
[ 67.700998] C
Hi,
Couple of small things I've come across. After this, injecting nmi to
enter xmon (via qemu) and then recovering works nicely.
Thanks,
Nick
Nicholas Piggin (2):
powerpc: fix graceful debugger recovery
powerpc: fix second nested oops hang
arch/powerpc/kernel/traps.c | 14 --
When exiting xmon with 'x' (exit and recover), oops_begin bails
out immediately, but die then calls __die() and oops_end(), which
cause a lot of bad things to happen.
If the debugger was attached then went to graceful recovery, exit
from die() immediately.
Signed-off-by: Nicholas Piggin
---
arc
When ending an oops, don't clear die_owner unless the nest count
went to zero. This prevents a second nested oops from hanging forever
on the die_lock.
Signed-off-by: Nicholas Piggin
---
arch/powerpc/kernel/traps.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/arch/pow
On 11/08/2016 03:10 AM, Michael Ellerman wrote:
Hi Dmitry,
Thanks for the patches.
Dmitry Safonov writes:
Impact: cleanup
I'm not a fan of these "Impact" lines, especially when they're not
correct, ie. this is not a cleanup, a cleanup doesn't change logic.
Rename `rc' variable which doesn
On 11/08/2016 02:57 AM, Michael Ellerman wrote:
Dmitry Safonov <0x7f454...@gmail.com> writes:
2016-10-27 20:09 GMT+03:00 Dmitry Safonov :
ping?
There's another series doing some similar changes:
http://www.spinics.net/lists/linux-mm/msg115860.html
Well, that version makes arch_mremap hook
Hello Andrew,
(just in case)
please revert 'commit 05fd007e46296afb24 ("console: don't prefer first
registered if DT specifies stdout-path")'
-ss
Adding fast_switch which does light weight operation to set the desired
pstate. Both global and local pstates are set to the same desired pstate.
Signed-off-by: Akshay Adiga
Reviewed-by: Gautham R. Shenoy
Acked-by: Viresh Kumar
---
Changes from v2 :
- No changes.
Changes from v1 :
- Removed unn
As fast_switch() may get called with interrupt disable mode, we cannot
hold a mutex to update the global_pstate_info. So currently, fast_switch()
does not update the global_pstate_info and it will end up with stale data
whenever pstate is updated through fast_switch().
As the gpstate_timer can fir
Thanks gautham for the review.
Good point, I have made the macros more generic in the next version as
you have mentioned.
I will post a separate patch to set pstates using these macros. :)
On 11/08/2016 09:10 AM, Gautham R Shenoy wrote:
On Mon, Nov 07, 2016 at 01:09:09PM +0530, Akshay Adiga
Hi,
This is a significant reworking of earlier patches, it should be
getting closer to the right shape now, but I'm always open to
change anything.
Thanks,
Nick
Nicholas Piggin (3):
powerpc: add NMI IPI infrastructure
powerpc: add struct smp_ops_t.cause_nmi_ipi operation
powerpc/pseries: i
Add an NMI IPI system that handles platform differences and concurrency
and reentrancy issues.
The platform does not have to implement a true non-maskable interrupt.
The default is to simply uses the debugger break IPI message.
The debugger break users (debugger and crash) have been reimplemented
Allow platforms to provide an NMI IPI, and wire that to the NMI
system.
---
arch/powerpc/include/asm/smp.h| 5 +
arch/powerpc/kernel/smp.c | 21 -
arch/powerpc/platforms/85xx/smp.c | 1 +
arch/powerpc/platforms/86xx/mpc86xx_smp.c | 1 +
H_SIGNAL_SYS_RESET can provide a hard NMI (it is not recoverable if
raised when the target has MSR_RI clear).
This patch makes a couple of changes to generic system_reset_exception
handler, which should be split out and platforms defining a handler
audited.
---
arch/powerpc/kernel/traps.c
Balbir Singh writes:
> AMOR should be setup in HV mode, we set it up once
> and let the generic kernel handle IAMR. This patch is
> used to enable storage keys in a following patch as
> defined in ISA 3
>
> Reported-by: Aneesh Kumar K.V
> Signed-off-by: Balbir Singh
> ---
> arch/powerpc/mm/pgt
On Tuesday, November 8, 2016 6:49:51 AM CET Y.B. Lu wrote:
> Hi Arnd,
>
>
> > -Original Message-
> > From: Arnd Bergmann [mailto:a...@arndb.de]
> > Sent: Tuesday, November 08, 2016 5:20 AM
> > To: Y.B. Lu
> > Cc: linuxppc-dev@lists.ozlabs.org; linux-...@vger.kernel.org;
> > ulf.hans...@li
Balbir Singh writes:
> ISA 3 allows for prevention of instruction fetch and execution
> of user mode pages. If such an error occurs, SRR1 bit 35
> reports the error. We catch and report the error in do_page_fault()
>
> Signed-off-by: Balbir Singh
> ---
> arch/powerpc/mm/fault.c | 4
> 1 fi
Balbir Singh writes:
> ISA 3 defines new encoded access authority that allows instruction
> access prevention in privileged mode and allows normal access
> to problem state. This patch just enables IAMR (Instruction Authority
> Mask Register), enabling AMR would require more work.
We may want t
Balbir Singh writes:
> ISA 3 allows for prevention of instruction fetch and execution
> of user mode pages. If such an error occurs, SRR1 bit 35
> reports the error. We catch and report the error in do_page_fault()
>
> Signed-off-by: Balbir Singh
> ---
> arch/powerpc/mm/fault.c | 4
> 1 fi
On 2016/11/08 06:26PM, Michael Ellerman wrote:
> Can you guys let me know if Hugh's fix works for you?
>
> https://patchwork.ozlabs.org/patch/691753/
Yes, that works for me too.
- Naveen
Hi Nicholas,
[auto build test ERROR on powerpc/next]
[also build test ERROR on v4.9-rc4]
[cannot apply to next-20161108]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system]
url:
https://github.com/0day-ci/linux/commits/Nicholas-Piggin/powerpc
On Tue, Nov 08, 2016 at 09:59:26AM +0800, kbuild test robot wrote:
All errors (new ones prefixed by >>):
drivers/of/fdt.c: In function 'early_init_dt_scan_memory':
drivers/of/fdt.c:1064:3: error: implicit declaration of function
'memblock_mark_hotplug'
cc1: some warnings being treated as
Hi Nicholas,
[auto build test ERROR on powerpc/next]
[also build test ERROR on v4.9-rc4]
[cannot apply to next-20161108]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system]
url:
https://github.com/0day-ci/linux/commits/Nicholas-Piggin/powerpc
On Fri, Oct 21, 2016 at 5:44 AM, Thiago Jung Bauermann
wrote:
> From: Mimi Zohar
>
> The TPM PCRs are only reset on a hard reboot. In order to validate a
> TPM's quote after a soft reboot (eg. kexec -e), the IMA measurement list
> of the running kernel must be saved and restored on boot. This p
On Fri, Oct 21, 2016 at 5:44 AM, Thiago Jung Bauermann
wrote:
> From: Mimi Zohar
>
> Measurements carried across kexec need to be added to the IMA
> measurement list, but should not prevent measurements of the newly
> booted kernel from being added to the measurement list. This patch
> adds suppo
On Fri, Oct 21, 2016 at 5:44 AM, Thiago Jung Bauermann
wrote:
> From: Mimi Zohar
>
> In preparation for serializing the binary_runtime_measurements, this patch
> maintains the amount of memory required.
>
> Changelog v5:
> - replace CONFIG_KEXEC_FILE with architecture CONFIG_HAVE_IMA_KEXEC (Thiag
On Tue, 2016-11-08 at 21:46 +0200, Dmitry Kasatkin wrote:
> On Fri, Oct 21, 2016 at 5:44 AM, Thiago Jung Bauermann
> wrote:
> > From: Mimi Zohar
> >
> > The TPM PCRs are only reset on a hard reboot. In order to validate a
> > TPM's quote after a soft reboot (eg. kexec -e), the IMA measurement li
On Tue, 2016-11-08 at 22:05 +0200, Dmitry Kasatkin wrote:
> On Fri, Oct 21, 2016 at 5:44 AM, Thiago Jung Bauermann
> wrote:
> > From: Mimi Zohar
> >
> > In preparation for serializing the binary_runtime_measurements, this patch
> > maintains the amount of memory required.
> >
> > Changelog v5:
>
On Tue, Nov 08, 2016 at 06:23:30PM +1100, Michael Ellerman wrote:
> Paul Mackerras writes:
>
> > These functions compute an IP checksum by computing a 64-bit sum and
> > folding it to 32 bits (the "nofold" in their names refers to folding
> > down to 16 bits). However, doing (u32) (s + (s >> 32)
On Mon, 24 Oct 2016 17:53:09 +1100
Alexey Kardashevskiy wrote:
> In some situations the userspace memory context may live longer than
> the userspace process itself so if we need to do proper memory context
> cleanup, we better have tce_container take a reference to mm_struct and
> use it later w
On Wed, Oct 05, 2016 at 09:46:33PM +0200, Luis R. Rodriguez wrote:
> On Wed, Oct 05, 2016 at 11:08:06AM -0700, Linus Torvalds wrote:
> > On Wed, Oct 5, 2016 at 11:00 AM, Luis R. Rodriguez
> > wrote:
> > > On Tue, Sep 13, 2016 at 09:38:17PM -0500, Rob Landley wrote:
> > >
> > >> I did some shuffli
On Tue, 08 Nov 2016 18:54:28 +1100
Michael Ellerman wrote:
> Alexey Kardashevskiy writes:
> > These patches are to fix a bug when pages stay pinned hours
> > after QEMU which requested pinning exited.
> >
> > Please comment. Thanks.
> >
> > Alexey Kardashevskiy (4):
> > powerpc/iommu: Pass mm_
On Tue, 2016-11-08 at 19:21 +1100, Michael Ellerman wrote:
> Suraj Jitindar Singh writes:
>
> >
> > ISA 3.00 adds the logical PVR value 0x0f05, so add a definition
> > for
> > this.
> >
> > Define PCR_ARCH_207 to reflect ISA 2.07 compatibility mode in the
> > processor
> > compatibility reg
On 14/09/16 15:02, Alistair Popple wrote:
> On Mon, 15 Aug 2016 04:51:59 PM Alistair Popple wrote:
>> POWER9 contains an off core mmu called the nest mmu (NMMU). This is
>> used by other hardware units on the chip to translate virtual
>> addresses into real addresses. The unit attempting an addre
On Fri, Oct 21, 2016 at 5:44 AM, Thiago Jung Bauermann
wrote:
> From: Mimi Zohar
>
> The builtin and single custom templates are currently stored in an
> array. In preparation for being able to restore a measurement list
> containing multiple builtin/custom templates, this patch stores the
> bui
On Tue, Nov 08, 2016 at 03:25:19PM -0700, Alex Williamson wrote:
> On Mon, 24 Oct 2016 17:53:09 +1100
> Alexey Kardashevskiy wrote:
>
> > In some situations the userspace memory context may live longer than
> > the userspace process itself so if we need to do proper memory context
> > cleanup, we
This patchset is used to fix a host version register bug in the T4240-R1.0-R2.0
eSDHC controller. To match the SoC version and revision, 15 previous version
patchsets had tried many methods but all of them were rejected by reviewers.
Such as
- dts compatible method
- syscon method
Add the dts node for device configuration unit that provides
general purpose configuration and status for the device.
Signed-off-by: Yangbo Lu
Acked-by: Scott Wood
Acked-by: Arnd Bergmann
---
Changes for v5:
- Added this patch
Changes for v6:
- None
Changes for v7:
- Non
Move guts devicetree doc to Documentation/devicetree/bindings/soc/fsl/
since it's used by not only PowerPC but also ARM. And add a specification
for 'little-endian' property.
Signed-off-by: Yangbo Lu
Acked-by: Rob Herring
Acked-by: Scott Wood
Acked-by: Arnd Bergmann
---
Changes for v4:
The global utilities block controls power management, I/O device
enabling, power-onreset(POR) configuration monitoring, alternate
function selection for multiplexed signals,and clock control.
This patch adds a driver to manage and access global utilities block.
Initially only reading SVR and regis
Add maintainer entry for Freescale SoC drivers including
the QE library and the GUTS driver now. Also add maintainer
for QE library.
Signed-off-by: Yangbo Lu
Acked-by: Scott Wood
Acked-by: Qiang Zhao
Acked-by: Arnd Bergmann
---
Changes for v8:
- Added this patch
Changes for v9:
From: Arnd Bergmann
We keep running into cases where device drivers want to know the exact
version of the a SoC they are currently running on. In the past, this has
usually been done through a vendor specific API that can be called by a
driver, or by directly accessing some kind of version regist
From: Geert Uytterhoeven
If soc_device_match() is used to check the value of a specific
attribute that is not present for the current SoC, the kernel crashes
with a NULL pointer dereference.
Fix this by explicitly checking for the absence of a needed property,
and considering this a non-match.
The eSDHC of T4240-R1.0-R2.0 has incorrect vender version and spec version.
Acturally the right version numbers should be VVN=0x13 and SVN = 0x1.
This patch adds the GUTS driver support for eSDHC driver to match SoC.
And fix host version to avoid that incorrect version numbers break down
the ADMA d
Version 3.00 of the ISA states that the PATS (partition table size) field
of the PTCR (partition table control register) and the PRTS (process table
size) field of the partition table entry must both be less than or equal
to 24. However the actual size of the partition and process tables is equal
t
52 matches
Mail list logo
