The current value of MAX_PHYSMEM_BITS cannot work with 32 bit configs.
We used to have MAX_PHYSMEM_BITS not defined without SPARSEMEM and 32
bit configs never expected a value to be set for MAX_PHYSMEM_BITS.
Dependent code such as zsmalloc derived the right values based on other
fields. Instead
On Mon, 1 Apr 2019 12:51:50 +0100
Vincenzo Frascino wrote:
> clock_getres in the vDSO library has to preserve the same behaviour
> of posix_get_hrtimer_res().
>
> In particular, posix_get_hrtimer_res() does:
> sec = 0;
> ns = hrtimer_resolution;
> and hrtimer_resolution depends on the
On Wed, Apr 3, 2019 at 2:51 AM Joel Stanley wrote:
>
> It turns out that some defconfig changes and kernel config option
> changes meant we accidentally dropped Ethernet support for Mellanox CLX5
> cards.
>
> Reported-by: Carol L Soto
> Suggested-by: Carol L Soto
> Signed-off-by: Stewart Smith
From: YueHaibing
Fixes gcc '-Wunused-but-set-variable' warning:
drivers/net/ethernet/ibm/ibmvnic.c: In function '__ibmvnic_reset':
drivers/net/ethernet/ibm/ibmvnic.c:1971:21: warning: variable 'netdev' set but
not used [-Wunused-but-set-variable]
It's never used since introduction in
commit
On 4/3/2019 1:24 PM, Yue Haibing wrote:
From: YueHaibing
Fixes gcc '-Wunused-but-set-variable' warning:
drivers/net/ethernet/ibm/ibmvnic.c: In function '__ibmvnic_reset':
drivers/net/ethernet/ibm/ibmvnic.c:1971:21: warning: variable 'netdev' set but
not used [-Wunused-but-set-variable]
Hi Michael,
On Wed, Apr 03, 2019 at 01:47:50PM +1100, Michael Ellerman wrote:
> Arnd Bergmann writes:
> > diff --git a/arch/powerpc/kernel/syscalls/syscall.tbl
> > b/arch/powerpc/kernel/syscalls/syscall.tbl
> > index b18abb0c3dae..00f5a63c8d9a 100644
> > ---
On Tue, Apr 02, 2019 at 11:55:25PM +0300, Andrey Abramov wrote:
> Removes size argument from the swap function because:
> 1) It wasn't used.
> 2) Custom swap function knows what kind of objects it swaps,
> so it already knows their sizes.
>
> Signed-off-by: Andrey
On Wed, 3 Apr 2019, Martin Schwidefsky wrote:
> On Mon, 1 Apr 2019 12:51:50 +0100
> Vincenzo Frascino wrote:
>
> > clock_getres in the vDSO library has to preserve the same behaviour
> > of posix_get_hrtimer_res().
> >
> > In particular, posix_get_hrtimer_res() does:
> > sec = 0;
> >
Hi
>
> > > On Mon, Apr 01, 2019 at 11:39:10AM +, S.j. Wang wrote:
> > > > In ESAI synchronous mode, the clock is generated by Tx, So we
> > > > should always set registers of Tx which relate with the bit clock
> > > > and frame clock generation (TCCR, TCR, ECR), even there is only Rx is
>
In ESAI synchronous mode, the clock is generated by Tx, So
we should always set registers of Tx which relate with the
bit clock and frame clock generation (TCCR, TCR, ECR), even
there is only Rx is working.
Signed-off-by: Shengjiu Wang
---
changes in v2
- refine the patch according Nicolin's
> @@ -146,6 +146,7 @@ static int pas_cpufreq_cpu_init(struct cpufreq_policy
> *policy)
>
> cpu = of_get_cpu_node(policy->cpu, NULL);
>
> + of_node_put(cpu);
> if (!cpu)
> goto out;
Can the statement “return -ENODEV” be nicer as exception handling
in the if branch
On Wed, Apr 03, 2019 at 06:46:07AM +0200, Christophe Leroy wrote:
>
>
> Le 02/04/2019 à 22:41, Daniel Jordan a écrit :
> > Taking and dropping mmap_sem to modify a single counter, locked_vm, is
> > overkill when the counter could be synchronized separately.
> >
> > Make mmap_sem a little less
On Tue, Apr 02, 2019 at 04:43:57PM -0700, Davidlohr Bueso wrote:
> On Tue, 02 Apr 2019, Andrew Morton wrote:
>
> > Also, we didn't remove any down_write(mmap_sem)s from core code so I'm
> > thinking that the benefit of removing a few mmap_sem-takings from a few
> > obscure drivers (sorry ;)) is
On Wed, Apr 03, 2019 at 06:58:45AM +0200, Christophe Leroy wrote:
> Le 02/04/2019 à 22:41, Daniel Jordan a écrit :
> > With locked_vm now an atomic, there is no need to take mmap_sem as
> > writer. Delete and refactor accordingly.
>
> Could you please detail the change ?
Ok, I'll be more
On Sun, Mar 31, 2019 at 12:50:21PM +0300, Oded Gabbay wrote:
> Due to some limitation in Goya, the driver first need to allocate a
> 2MB chunk in a DMA-able address under 39 bits and then we would like
> to move to using up to 48 bits. Therefore, the driver first tries to
> set the DMA mask to 39
This looks better :)
On Wed, Apr 03, 2019 at 10:07:40AM +, S.j. Wang wrote:
> @@ -218,7 +218,7 @@ static int fsl_esai_set_dai_sysclk(struct snd_soc_dai
> *dai, int clk_id,
> {
> struct fsl_esai *esai_priv = snd_soc_dai_get_drvdata(dai);
> struct clk *clksrc =
pgtable_t is now identical for all subarches, move it to the
top level asm/mmu.h
Signed-off-by: Christophe Leroy
---
arch/powerpc/include/asm/book3s/32/mmu-hash.h | 4
arch/powerpc/include/asm/book3s/64/mmu.h | 8
arch/powerpc/include/asm/mmu.h| 3 +++
CONFIG_PPC_64K_PAGES is not selectable on nohash/64, so get
__pud_free_tlb() defined at all time.
Signed-off-by: Christophe Leroy
---
arch/powerpc/include/asm/nohash/64/pgalloc.h | 3 ---
1 file changed, 3 deletions(-)
diff --git a/arch/powerpc/include/asm/nohash/64/pgalloc.h
pte_alloc_one_kernel() and pte_alloc_one() are simple calls to
pte_fragment_alloc(), so they are good candidates for inlining as
already done on PPC64.
Signed-off-by: Christophe Leroy
---
arch/powerpc/include/asm/book3s/32/pgalloc.h | 15 ---
Use IS_ENABLED(CONFIG_BOOKE) to make single versions of
pmd_populate() and pmd_populate_kernel()
Signed-off-by: Christophe Leroy
---
arch/powerpc/include/asm/nohash/32/pgalloc.h | 28
1 file changed, 8 insertions(+), 20 deletions(-)
diff --git
On 4/3/19 10:21 AM, Michael Ellerman wrote:
> Hi Claudio,
>
> Thanks for posting this.
>
> Claudio Carvalho writes:
>> This patch set is part of a series that implements secure boot on
>> PowerNV systems.
>>
>> In order to verify the OS kernel on PowerNV, secure boot requires X.509
>>
Those files have no real added values, especially the 64 bit
which only includes the common book3e mmu.h which is also
included from 32 bits side.
So lets do the final inclusion directly from nohash/mmu.h
Signed-off-by: Christophe Leroy
---
arch/powerpc/include/asm/nohash/32/mmu.h | 19
pgtable_cache[] is the same for the 4 subarches, lets make it common.
Signed-off-by: Christophe Leroy
---
arch/powerpc/include/asm/book3s/32/pgalloc.h | 21 -
arch/powerpc/include/asm/book3s/64/pgalloc.h | 22 --
The sysfs nodes created under /opal/exports/ do not currently support
mmap. Skiboot trace buffers are exported here with in the series
https://patchwork.ozlabs.org/cover/1073501/. Adding mmap support makes
it possible to use the functions for reading traces in external/trace.
This improves on the
Book3E 64 is the only subarch not using pte_fragment. In order
to allow refactorisation, this patch converts it to pte_fragment.
Signed-off-by: Christophe Leroy
---
arch/powerpc/include/asm/mmu_context.h | 6 -
arch/powerpc/include/asm/nohash/64/mmu.h | 4 +++-
pmd_pgtable() is identical on the 4 subarches, refactor it.
Signed-off-by: Christophe Leroy
---
arch/powerpc/include/asm/book3s/32/pgalloc.h | 2 --
arch/powerpc/include/asm/book3s/64/pgalloc.h | 5 -
arch/powerpc/include/asm/nohash/32/pgalloc.h | 2 --
This has never been called (since Kernel has been in git at least),
drop it.
Signed-off-by: Christophe Leroy
---
arch/powerpc/include/asm/book3s/32/pgalloc.h | 2 --
arch/powerpc/include/asm/nohash/32/pgalloc.h | 2 --
2 files changed, 4 deletions(-)
diff --git
Functions pte_alloc_one(), pte_alloc_one_kernel(), pte_free(),
pte_free_kernel() are identical for the four subarches.
This patch moves their definition in a common place.
Signed-off-by: Christophe Leroy
---
arch/powerpc/include/asm/book3s/32/pgalloc.h | 25 -
pgd_alloc() and pgd_free() are identical on nohash 32 and 64.
Signed-off-by: Christophe Leroy
---
arch/powerpc/include/asm/nohash/32/pgalloc.h | 11 ---
arch/powerpc/include/asm/nohash/64/pgalloc.h | 11 ---
arch/powerpc/include/asm/nohash/pgalloc.h| 12
3 files
Lets select PPC_MM_SLICES from the subarch config item instead of
doing it via defaults declaration in the PPC_MM_SLICES item itself.
Signed-off-by: Christophe Leroy
---
arch/powerpc/platforms/Kconfig.cputype | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git
Mathieu Malaterre writes:
> On Wed, Apr 3, 2019 at 2:51 AM Joel Stanley wrote:
>>
>> It turns out that some defconfig changes and kernel config option
>> changes meant we accidentally dropped Ethernet support for Mellanox CLX5
>> cards.
>>
>> Reported-by: Carol L Soto
>> Suggested-by: Carol L
This series converts book3e64 to pte_fragment and refactor
things that are common among subarches.
Christophe Leroy (15):
powerpc/mm: drop __bad_pte()
powerpc/mm: define __pud_free_tlb() at all time on nohash/64
powerpc/mm: convert Book3E 64 to pte_fragment
powerpc/mm: move pgtable_t in
early_alloc_pgtable() is only used during init.
Signed-off-by: Christophe Leroy
---
arch/powerpc/mm/pgtable-book3e.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/mm/pgtable-book3e.c b/arch/powerpc/mm/pgtable-book3e.c
index 1032ef7aaf62..f6fc709697ee
In the same way as PPC64, implement early allocation functions and
avoid calling pte_alloc_kernel() before slab is available.
Signed-off-by: Christophe Leroy
---
arch/powerpc/mm/pgtable_32.c | 34 --
1 file changed, 28 insertions(+), 6 deletions(-)
diff --git
pgtable_free() and others are identical on nohash/32 and 64,
so move them into asm/nohash/pgalloc.h
Signed-off-by: Christophe Leroy
---
arch/powerpc/include/asm/nohash/32/pgalloc.h | 43 ---
arch/powerpc/include/asm/nohash/64/pgalloc.h | 43 ---
Le 25/03/2019 à 06:34, Alastair D'Silva a écrit :
From: Alastair D'Silva
The term 'link' is ambiguous (especially when the struct is used for a
list), so rename it for clarity.
Signed-off-by: Alastair D'Silva
Reviewed-by: Greg Kurz
---
Acked-by: Frederic Barrat
On 03/04/2019 11:06, Thomas Gleixner wrote:
> On Wed, 3 Apr 2019, Martin Schwidefsky wrote:
>
>> On Mon, 1 Apr 2019 12:51:50 +0100
>> Vincenzo Frascino wrote:
>>
>>> clock_getres in the vDSO library has to preserve the same behaviour
>>> of posix_get_hrtimer_res().
>>>
>>> In particular,
On Wed, Apr 03, 2019 at 04:23:54PM +0200, Markus Elfring wrote:
> > @@ -146,6 +146,7 @@ static int pas_cpufreq_cpu_init(struct cpufreq_policy
> > *policy)
> >
> > cpu = of_get_cpu_node(policy->cpu, NULL);
> >
> > + of_node_put(cpu);
> > if (!cpu)
> > goto out;
>
> Can the
Le 25/03/2019 à 06:34, Alastair D'Silva a écrit :
From: Alastair D'Silva
The 'extern' keyword adds no value here.
Signed-off-by: Alastair D'Silva
---
Acked-by: Frederic Barrat
drivers/misc/ocxl/ocxl_internal.h | 54 +++
include/misc/ocxl.h
Le 25/03/2019 à 06:34, Alastair D'Silva a écrit :
From: Alastair D'Silva
No need for a return value in read_pasid as it only returns 0.
Signed-off-by: Alastair D'Silva
Reviewed-by: Greg Kurz
---
Acked-by: Frederic Barrat
drivers/misc/ocxl/config.c | 9 ++---
1 file changed,
On Wed, Apr 03, 2019 at 09:39:52AM -0600, Jens Axboe wrote:
> On 4/3/19 9:19 AM, Will Deacon wrote:
> > On Wed, Apr 03, 2019 at 07:49:26AM -0600, Jens Axboe wrote:
> >> On 4/3/19 5:11 AM, Will Deacon wrote:
> >>> will@autoplooker:~/liburing/test$ ./io_uring_register
> >>> RELIMIT_MEMLOCK:
Since pmd_large() is now always available, pmd_is_leaf() is redundant.
Replace all uses with calls to pmd_large().
CC: Benjamin Herrenschmidt
CC: Michael Ellerman
CC: Paul Mackerras
CC: kvm-...@vger.kernel.org
CC: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Steven Price
---
Hi Jens,
On Wed, Apr 03, 2019 at 07:49:26AM -0600, Jens Axboe wrote:
> On 4/3/19 5:11 AM, Will Deacon wrote:
> > will@autoplooker:~/liburing/test$ ./io_uring_register
> > RELIMIT_MEMLOCK: 67108864 (67108864)
> > [ 35.477875] Unable to handle kernel NULL pointer dereference at virtual
> >
Hi Oleg,
On Tue, Mar 19, 2019 at 06:32:33PM +0100, Oleg Nesterov wrote:
> On 03/19, Oleg Nesterov wrote:
> >
> > Well, personally I see no point... Again, after the trivial simplification
> > x86 does
> >
> > if (work & (_TIF_SYSCALL_EMU | _TIF_SYSCALL_TRACE)) {
> > ret =
walk_page_range() is going to be allowed to walk page tables other than
those of user space. For this it needs to know when it has reached a
'leaf' entry in the page tables. This information is provided by the
p?d_large() functions/macros.
For powerpc pmd_large() was already implemented, so hoist
On 4/3/19 9:49 AM, Will Deacon wrote:
> On Wed, Apr 03, 2019 at 09:39:52AM -0600, Jens Axboe wrote:
>> On 4/3/19 9:19 AM, Will Deacon wrote:
>>> On Wed, Apr 03, 2019 at 07:49:26AM -0600, Jens Axboe wrote:
On 4/3/19 5:11 AM, Will Deacon wrote:
> will@autoplooker:~/liburing/test$
Le 25/03/2019 à 06:34, Alastair D'Silva a écrit :
From: Alastair D'Silva
Remove some unused exported symbols.
Signed-off-by: Alastair D'Silva
---
Acked-by: Frederic Barrat
drivers/misc/ocxl/config.c| 4 +---
drivers/misc/ocxl/ocxl_internal.h | 23 +++
On 4/3/19 9:19 AM, Will Deacon wrote:
> Hi Jens,
>
> On Wed, Apr 03, 2019 at 07:49:26AM -0600, Jens Axboe wrote:
>> On 4/3/19 5:11 AM, Will Deacon wrote:
>>> will@autoplooker:~/liburing/test$ ./io_uring_register
>>> RELIMIT_MEMLOCK: 67108864 (67108864)
>>> [ 35.477875] Unable to handle kernel
On Tue, Apr 02, 2019 at 03:04:24PM -0700, Andrew Morton wrote:
> On Tue, 2 Apr 2019 16:41:53 -0400 Daniel Jordan
> wrote:
> > static long kvmppc_account_memlimit(unsigned long stt_pages, bool inc)
> > {
> > long ret = 0;
> > + s64 locked_vm;
> >
> > if (!current || !current->mm)
>
On Wed, Apr 03, 2019 at 08:51:13AM -0400, Steven Sistare wrote:
> On 4/2/2019 4:41 PM, Daniel Jordan wrote:
> > [1]
> > https://lore.kernel.org/linux-mm/20190211224437.25267-1-daniel.m.jor...@oracle.com/
>
> You could clean all 6 patches up nicely with a common subroutine that
> increases
The NVIDIA V100 SXM2 GPUs are connected to the CPU via PCIe links and
(on POWER9) NVLinks. In addition to that, GPUs themselves have direct
peer to peer NVLinks in groups of 2 to 4 GPUs. At the moment the POWERNV
platform puts all interconnected GPUs to the same IOMMU group.
However the user may
On 03 April 2019 at 07:05AM, Christophe Leroy wrote:
Le 03/04/2019 à 05:52, Christian Zigotzky a écrit :
Please test VLC with the RC3 of kernel 5.1.
The removing of the PowerPC fixes 5.1-3 has solved the VLC issue.
Another user has already confirmed that [1]. This isn’t an April
Fool‘s. ;-)
On Thu, Mar 28, 2019 at 07:57:21AM +0200, Mike Rapoport wrote:
Hi,
On Wed, Mar 27, 2019 at 01:57:50PM -0400, Sasha Levin wrote:
From: Mike Rapoport
[ Upstream commit 337555744e6e39dd1d87698c6084dd88a606d60a ]
The memblock_phys_alloc_try_nid() function tries to allocate memory from
the
Le 04/04/2019 à 02:58, Christian Zigotzky a écrit :
On 03 April 2019 at 07:05AM, Christophe Leroy wrote:
Le 03/04/2019 à 05:52, Christian Zigotzky a écrit :
Please test VLC with the RC3 of kernel 5.1.
The removing of the PowerPC fixes 5.1-3 has solved the VLC issue.
Another user has
Hi Steven,
On Mon, Apr 01, 2019 at 09:41:09AM -0400, Steven Rostedt wrote:
> From: "Steven Rostedt (Red Hat)"
>
> At Linux Plumbers, Andy Lutomirski approached me and pointed out that the
> function call syscall_get_arguments() implemented in x86 was horribly
> written and not optimized for the
On 4/4/19 12:02 am, Christopher M Riedl wrote:
On March 29, 2019 at 12:49 AM Andrew Donnellan
wrote:
On 29/3/19 3:21 pm, cmr wrote:
Operations which write to memory should be restricted on secure systems
and optionally to avoid self-destructive behaviors.
For reference:
-
On 4/3/19 5:11 AM, Will Deacon wrote:
> Hi Michael,
>
> On Wed, Apr 03, 2019 at 01:47:50PM +1100, Michael Ellerman wrote:
>> Arnd Bergmann writes:
>>> diff --git a/arch/powerpc/kernel/syscalls/syscall.tbl
>>> b/arch/powerpc/kernel/syscalls/syscall.tbl
>>> index b18abb0c3dae..00f5a63c8d9a 100644
Le 29/03/2019 à 16:44, Yue Haibing a écrit :
From: YueHaibing
Fixes gcc '-Wunused-but-set-variable' warning:
drivers/misc/ocxl/link.c: In function 'xsl_fault_handler':
drivers/misc/ocxl/link.c:187:17: warning: variable 'tid' set but not used
[-Wunused-but-set-variable]
On 4/2/2019 4:41 PM, Daniel Jordan wrote:
> Hi,
>
> From patch 1:
>
> Taking and dropping mmap_sem to modify a single counter, locked_vm, is
> overkill when the counter could be synchronized separately.
>
> Make mmap_sem a little less coarse by changing locked_vm to an atomic,
> the
> On March 29, 2019 at 12:49 AM Andrew Donnellan
> wrote:
>
>
> On 29/3/19 3:21 pm, cmr wrote:
> > Operations which write to memory should be restricted on secure systems
> > and optionally to avoid self-destructive behaviors.
>
> For reference:
> -
> On April 3, 2019 at 12:15 AM Christophe Leroy wrote:
>
>
>
>
> Le 03/04/2019 à 05:38, Christopher M Riedl a écrit :
> >> On March 29, 2019 at 3:41 AM Christophe Leroy
> >> wrote:
> >>
> >>
> >>
> >>
> >> Le 29/03/2019 à 05:21, cmr a écrit :
> >>> Operations which write to memory should be
Hi Claudio,
Thanks for posting this.
Claudio Carvalho writes:
> This patch set is part of a series that implements secure boot on
> PowerNV systems.
>
> In order to verify the OS kernel on PowerNV, secure boot requires X.509
> certificates trusted by the platform, the secure boot modes, and
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