On 18/09/2019 22.54, Greg Kurz wrote:
> On Wed, 18 Sep 2019 18:44:36 +0200
> Greg Kurz wrote:
>
>> On Wed, 11 Sep 2019 21:52:35 +0200
>> Thomas Huth wrote:
>>
>>> After the kfree()s haven been removed in the previous
>>> commit 9798f4ea71ea ("fix rollback when kvmppc_xive_create fails"),
>>> the
Le 18/09/2019 à 09:32, Anshuman Khandual a écrit :
On 09/13/2019 11:53 AM, Christophe Leroy wrote:
Fix build failure on powerpc.
Fix preemption imbalance.
Signed-off-by: Christophe Leroy
---
mm/arch_pgtable_test.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/mm/arch_pgtable_
Le 19/09/2019 à 06:56, Anshuman Khandual a écrit :
On 09/18/2019 09:56 PM, Christophe Leroy wrote:
Le 18/09/2019 à 07:04, Anshuman Khandual a écrit :
On 09/13/2019 03:31 PM, Christophe Leroy wrote:
Le 13/09/2019 à 11:02, Anshuman Khandual a écrit :
+#if !defined(__PAGETABLE_PMD_F
Le 18/09/2019 à 18:39, Segher Boessenkool a écrit :
Hi Christophe,
On Wed, Sep 18, 2019 at 03:48:20PM +, Christophe Leroy wrote:
call_do_irq() and call_do_softirq() are quite similar on PPC32 and
PPC64 and are simple enough to be worth inlining.
Inlining them avoids an mflr/mtlr pair pl
On 09/18/2019 09:56 PM, Christophe Leroy wrote:
>
>
> Le 18/09/2019 à 07:04, Anshuman Khandual a écrit :
>>
>>
>> On 09/13/2019 03:31 PM, Christophe Leroy wrote:
>>>
>>>
>>> Le 13/09/2019 à 11:02, Anshuman Khandual a écrit :
>> +#if !defined(__PAGETABLE_PMD_FOLDED) && !defined(__ARCH_
On Wed, 2019-09-18 at 16:02 +0200, Frederic Barrat wrote:
>
> Le 17/09/2019 à 03:42, Alastair D'Silva a écrit :
> > From: Alastair D'Silva
> >
> > Tally up the LPC memory on an OpenCAPI link & allow it to be mapped
> >
> > Signed-off-by: Alastair D'Silva
> > ---
> > drivers/misc/ocxl/core.c
On Thu, 2019-09-19 at 13:43 +1000, Michael Ellerman wrote:
> "Alastair D'Silva" writes:
> > From: Alastair D'Silva
> >
> > When calling flush_icache_range with a size >4GB, we were masking
> > off the upper 32 bits, so we would incorrectly flush a range
> > smaller
> > than intended.
> >
> > __
"Alastair D'Silva" writes:
> From: Alastair D'Silva
>
> When calling flush_icache_range with a size >4GB, we were masking
> off the upper 32 bits, so we would incorrectly flush a range smaller
> than intended.
>
> __kernel_sync_dicache in the 64 bit VDSO has the same bug.
Please fix that in a se
Hi
>
> When set the runtime hardware parameters, we may need to query the
> capability of DMA to complete the parameters.
>
> This patch is to Extract this operation from
> dmaengine_pcm_set_runtime_hwparams function to a separate function
> snd_dmaengine_pcm_set_runtime_hwparams, that other com
On Tue, 2019-09-17 at 11:43 +1000, Alastair D'Silva wrote:
> From: Alastair D'Silva
>
> Add functions to map/unmap LPC memory
>
> Signed-off-by: Alastair D'Silva
> ---
> drivers/misc/ocxl/config.c| 4 +++
> drivers/misc/ocxl/core.c | 50
> +++
> dr
On Wed, 2019-09-18 at 16:03 +0200, Frederic Barrat wrote:
>
> Le 17/09/2019 à 03:43, Alastair D'Silva a écrit :
> > From: Alastair D'Silva
> >
> > Add functions to map/unmap LPC memory
> >
> > Signed-off-by: Alastair D'Silva
> > ---
> > drivers/misc/ocxl/config.c| 4 +++
> > driver
On Wed, 2019-09-18 at 16:03 +0200, Frederic Barrat wrote:
>
> Le 17/09/2019 à 03:42, Alastair D'Silva a écrit :
> > From: Alastair D'Silva
> >
> > Map & release OpenCAPI LPC memory.
> >
> > Signed-off-by: Alastair D'Silva
> > ---
> > arch/powerpc/include/asm/pnv-ocxl.h | 2 ++
> > arch/p
Em Fri, Jul 19, 2019 at 10:58:37AM +0530, Ravi Bangoria escreveu:
>
> LGTM. For the series,
>
> Reviewed-By: Ravi Bangoria
Thanks, applied.
- Arnaldo
On 9/18/19 1:12 AM, Michael Ellerman wrote:
> Hi Juliet,
>
> Juliet Kim writes:
>> Signed-off-by: Juliet Kim
>> ---
>> drivers/net/ethernet/ibm/ibmvnic.c | 23 ++-
>> drivers/net/ethernet/ibm/ibmvnic.h | 3 +++
>> 2 files changed, 25 insertions(+), 1 deletion(-)
>>
>> diff
On Wed, 11 Sep 2019 21:52:35 +0200
Thomas Huth wrote:
> After the kfree()s haven been removed in the previous
> commit 9798f4ea71ea ("fix rollback when kvmppc_xive_create fails"),
> the code can be simplified even more to simply always "return ret"
> now.
>
> Signed-off-by: Thomas Huth
> ---
T
On Wed, 18 Sep 2019 18:44:36 +0200
Greg Kurz wrote:
> On Wed, 11 Sep 2019 21:52:35 +0200
> Thomas Huth wrote:
>
> > After the kfree()s haven been removed in the previous
> > commit 9798f4ea71ea ("fix rollback when kvmppc_xive_create fails"),
> > the code can be simplified even more to simply al
On Wed, 7 Aug 2019, Christoph Hellwig wrote:
> Mips uses the KSEG1 kernel memory segment to map dma coherent
> allocations for non-coherent devices as uncacheable, and does not have
> any kind of special support for DMA_ATTR_WRITE_COMBINE in the allocation
> path. Thus supporting DMA_ATTR_WRITE_C
On Wed, 18 Sep 2019 18:26:03 +0200
Christophe Leroy wrote:
[..]
> My suggestion was not to completely drop the #ifdef but to do like you
> did in pgd_clear_tests() for instance, ie to add the following test on
> top of the function:
>
> if (mm_pud_folded(mm) || is_defined(__ARCH_HAS_5LE
Michael Ellerman wrote:
"Naveen N. Rao" writes:
Michael Ellerman wrote:
"Gautham R. Shenoy" writes:
From: "Gautham R. Shenoy"
Currently on Pseries Linux Guests, the offlined CPU can be put to one
of the following two states:
- Long term processor cede (also called extended cede)
- Re
Gautham R Shenoy writes:
> The accounting problem in tools such as lparstat with
> "cede_offline=on" is affecting customers who are using these tools for
> capacity-planning. That problem needs a fix in the short-term, for
> which Patch 1 changes the default behaviour of cede_offline from "on"
> t
Hi Christophe,
On Wed, Sep 18, 2019 at 03:48:20PM +, Christophe Leroy wrote:
> call_do_irq() and call_do_softirq() are quite similar on PPC32 and
> PPC64 and are simple enough to be worth inlining.
>
> Inlining them avoids an mflr/mtlr pair plus a save/reload on stack.
But you hardcode the c
Le 18/09/2019 à 07:04, Anshuman Khandual a écrit :
On 09/13/2019 03:31 PM, Christophe Leroy wrote:
Le 13/09/2019 à 11:02, Anshuman Khandual a écrit :
+#if !defined(__PAGETABLE_PMD_FOLDED) && !defined(__ARCH_HAS_4LEVEL_HACK)
#ifdefs have to be avoided as much as possible, see below
/Shengjiu-Wang/ASoC-fsl_asrc-Use-in-out-put_format-instead-of-in-out-put_word_width/20190918-145058
config: arm-viper_defconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (GCC) 7.4.0
reproduce:
wget
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin
call_do_irq() and call_do_softirq() are quite similar on PPC32 and
PPC64 and are simple enough to be worth inlining.
Inlining them avoids an mflr/mtlr pair plus a save/reload on stack.
This is inspired from S390 arch. Several other arches do more or
less the same. The way sparc arch does seems od
Commit cbc9565ee826 ("powerpc: Remove ksp_limit on ppc64") moved
PPC32 ksp_limit handling in assembly functions call_do_softirq()
and call_do_irq() as they are different for PPC32 and PPC64.
In preparation of replacing these functions by inline assembly,
partialy revert that commit to bring back k
On 2019-09-18, Aleksa Sarai wrote:
> On 2019-09-17, Jann Horn wrote:
> > On Wed, Sep 4, 2019 at 10:21 PM Aleksa Sarai wrote:
> > > The ability for userspace to "re-open" file descriptors through
> > > /proc/self/fd has been a very useful tool for all sorts of usecases
> > > (container runtimes a
Michael, ping in case that you might forget this one forever as well.
On Mon, 2019-07-15 at 14:32 -0400, Qian Cai wrote:
> At the beginning of setup_64.c, it has,
>
> #ifdef DEBUG
> #define DBG(fmt...) udbg_printf(fmt)
> #else
> #define DBG(fmt...)
> #endif
>
> where DBG() could be com
Hello,
Unfortunately, this patch set has made things quite a bit worse for me.
Appending mem=256G doesn't fix it either. in all cases, the system at
least gets past early boot and then I will probably get a panic and
eventual reboot, or occasionally it just locks up entirely.
Here's my very
__find_linux_mm_pte return a page table entry pointer walking the
page table without holding locks. To make it safe against a THP
split and collapse, we disable interrupts around the lockless
page table walk. We need to keep the interrupts disabled as long
as we use the page table entry pointer.
C
Michal Suchánek writes:
> On Wed, 6 Mar 2019 12:10:38 +1100
> Suraj Jitindar Singh wrote:
>
>> Commit ddf35cf3764b ("powerpc: Use barrier_nospec in copy_from_user()")
>> Added barrier_nospec before loading from user-controller pointers.
>> The intention was to order the load from the potentially
Le 17/09/2019 à 03:43, Alastair D'Silva a écrit :
From: Alastair D'Silva
Add functions to map/unmap LPC memory
Signed-off-by: Alastair D'Silva
---
drivers/misc/ocxl/config.c| 4 +++
drivers/misc/ocxl/core.c | 50 +++
drivers/misc/ocxl/link.
Le 17/09/2019 à 03:42, Alastair D'Silva a écrit :
From: Alastair D'Silva
Map & release OpenCAPI LPC memory.
Signed-off-by: Alastair D'Silva
---
arch/powerpc/include/asm/pnv-ocxl.h | 2 ++
arch/powerpc/platforms/powernv/ocxl.c | 42 +++
2 files changed, 44 ins
Le 17/09/2019 à 03:42, Alastair D'Silva a écrit :
From: Alastair D'Silva
Tally up the LPC memory on an OpenCAPI link & allow it to be mapped
Signed-off-by: Alastair D'Silva
---
drivers/misc/ocxl/core.c | 9 +
drivers/misc/ocxl/link.c | 61 +
On failed task initialization due to memory allocation failures,
we can call into destroy_context with process_tb entry set. This patch
forces the process_tb entry to zero in destroy_context. With
this patch, we lose the ability to track if we are destroying a context
without flushing the process t
On 2019-09-17, Jann Horn wrote:
> On Wed, Sep 4, 2019 at 10:21 PM Aleksa Sarai wrote:
> > The ability for userspace to "re-open" file descriptors through
> > /proc/self/fd has been a very useful tool for all sorts of usecases
> > (container runtimes are one common example). However, the current
>
Hi Laurent,
Few comments ...
Laurent Dufour writes:
> Now we do not call _BLOCK_REMOVE all the time when the feature is
> exhibited.
This isn't true until after the patch is applied, ie. the tense is
wrong. The rest of the change log explains things fine, so just drop
that sentence I think.
Ca
Hi Laurent,
Comments below ...
Laurent Dufour writes:
> The PAPR document specifies the TLB Block Invalidate Characteristics which
> tells for each couple segment base page size, actual page size, the size of
^
"pair of" again
> the block the hcall H_BLOCK_REMO
Hi Laurent,
Thanks for fixing this, just a few comments.
Laurent Dufour writes:
> Since the commit ba2dd8a26baa ("powerpc/pseries/mm: call H_BLOCK_REMOVE"),
> the call to H_BLOCK_REMOVE is always done if the feature is exhibited.
>
> However, the hypervisor may not support all the block size for
On Thu, Sep 12, 2019 at 01:49:40PM +, Christophe Leroy wrote:
> This series adds support for GENERIC_EARLY_IOREMAP on powerpc.
>
> It also adds a warning in the standard ioremap() when it's called
> before vmalloc is available in order to help locate those users.
>
> Next step will be to incr
On 9/18/19 5:01 PM, Michael Ellerman wrote:
"Naveen N. Rao" writes:
Michael Ellerman wrote:
"Gautham R. Shenoy" writes:
From: "Gautham R. Shenoy"
Also, since we expose [S]PURR through sysfs, any tools that make use of
that directly are also affected due to this.
But again if we
On Wed, Sep 18, 2019 at 03:14:15PM +1000, Michael Ellerman wrote:
> "Gautham R. Shenoy" writes:
> > From: "Gautham R. Shenoy"
> >
> > Currently on Pseries Linux Guests, the offlined CPU can be put to one
> > of the following two states:
> >- Long term processor cede (also called extended cede
Hello Nathan, Michael,
On Tue, Sep 17, 2019 at 12:36:35PM -0500, Nathan Lynch wrote:
> Gautham R Shenoy writes:
> > On Thu, Sep 12, 2019 at 10:39:45AM -0500, Nathan Lynch wrote:
> >> "Gautham R. Shenoy" writes:
> >> > The patchset also defines a new sysfs attribute
> >> > "/sys/device/system/cpu
"Naveen N. Rao" writes:
> Michael Ellerman wrote:
>> "Gautham R. Shenoy" writes:
>>> From: "Gautham R. Shenoy"
>>>
>>> Currently on Pseries Linux Guests, the offlined CPU can be put to one
>>> of the following two states:
>>>- Long term processor cede (also called extended cede)
>>>- Ret
Pingfan Liu writes:
> Cc Kexec list. And keep the original content.
>
> On Thu, Sep 12, 2019 at 10:50 AM Pingfan Liu wrote:
>>
>> 'mem=" option is an easy way to put high pressure on memory during some
>> test. Hence in stead of total mem, the effective usable memory size
^
On Wed, Sep 18, 2019 at 12:42:10PM +0530, Bharata B Rao wrote:
> On Tue, Sep 17, 2019 at 04:31:39PM -0700, Sukadev Bhattiprolu wrote:
> >
> > Minor: Can this allocation be outside the lock? I guess it would change
> > the order of cleanup at the end of the function.
>
> Cleanup has bitmap_clear w
On 8/27/19 11:32 AM, Hari Bathini wrote:
>
>
> On 27/08/19 8:49 AM, Michael Ellerman wrote:
>> Hari Bathini writes:
>>> On 26/08/19 4:14 PM, Sourabh Jain wrote:
On 8/26/19 3:46 PM, Sourabh Jain wrote:
> On 8/26/19 3:29 PM, Hari Bathini wrote:
>> On 10/08/19 11:29 PM, Sourabh Jain
On 09/13/2019 11:53 AM, Christophe Leroy wrote:
> Fix build failure on powerpc.
>
> Fix preemption imbalance.
>
> Signed-off-by: Christophe Leroy
> ---
> mm/arch_pgtable_test.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/mm/arch_pgtable_test.c b/mm/arch_pgtable_test.c
> inde
On Tue, Sep 17, 2019 at 04:37:07PM -0700, Sukadev Bhattiprolu wrote:
> Bharata B Rao [bhar...@linux.ibm.com] wrote:
> > From: Anshuman Khandual
> >
> > CONFIG_PPC_UV adds support for ultravisor.
> >
> > Signed-off-by: Anshuman Khandual
> > Signed-off-by: Bharata B Rao
> > Signed-off-by: Ram Pa
On Tue, Sep 17, 2019 at 04:27:36PM -0700, Sukadev Bhattiprolu wrote:
> > +
> > + if (kvmppc_is_guest_secure(kvm)) {
>
> Nit: Since this entire function only applies to secure guests we could
> return here for normal guests.
Yes, can be done.
> > bool kvmppc_is_guest_secure(struct kvm *kvm)
>
On Tue, Sep 17, 2019 at 04:35:02PM -0700, Sukadev Bhattiprolu wrote:
>
> > +unsigned long kvmppc_h_svm_init_done(struct kvm *kvm)
> > +{
> > + if (!(kvm->arch.secure_guest & KVMPPC_SECURE_INIT_START))
>
> Minor: Should we also check if KVMPPC_SECURE_INIT_DONE is set here (since
> both can be se
On Tue, Sep 17, 2019 at 04:31:39PM -0700, Sukadev Bhattiprolu wrote:
>
> Minor: Can this allocation be outside the lock? I guess it would change
> the order of cleanup at the end of the function.
Cleanup has bitmap_clear which needs be under spinlock, so this order
of setup/alloc and cleanup will
Michael Ellerman wrote:
"Gautham R. Shenoy" writes:
From: "Gautham R. Shenoy"
Currently on Pseries Linux Guests, the offlined CPU can be put to one
of the following two states:
- Long term processor cede (also called extended cede)
- Returned to the Hypervisor via RTAS "stop-self" call.
There is error "aplay: pcm_write:2023: write error: Input/output error"
on i.MX8QM/i.MX8QXP platform for S24_3LE format.
In i.MX8QM/i.MX8QXP, the DMA is EDMA, which don't support 24bit
sample, but we didn't add any constraint, that cause issues.
So we need to query the caps of dma, then update th
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