corenet{32/64}_smp_defconfig leads to:
CC arch/powerpc/sysdev/ehv_pic.o
arch/powerpc/sysdev/ehv_pic.c:45:6: error: no previous prototype for
'ehv_pic_unmask_irq' [-Werror=missing-prototypes]
45 | void ehv_pic_unmask_irq(struct irq_data *d)
| ^~
arch/powerpc/sy
asm/percpu.h includes asm/paca.h which needs struct tlb_core_data
which is defined in mmu-e500.h
asm/percpu.h is included from asm/mmu.h in a #ifdef CONFIG_E500
before the inclusion of mmu-e500.h
To fix that, move the inclusion of asm/percpu.h into mmu-e500.h
after the definition of struct tlb_co
tree: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git
next-test
head: 0f71dcfb4aef6043da6cc509e7a7f6a3ae87c12d
commit: 3a24ea0df83e32355d897a18bbd82e05986dcdc3 [9/109] powerpc/kuap: Use ASM
feature fixups instead of static branches
config: powerpc64-randconfig-r012-20230822
On 8/18/23 01:07, Geert Uytterhoeven wrote:
> As of commit b7fb14d3ac63117e ("ide: remove the legacy ide driver") in
> v5.14, there are no more generic users of .
>
> Signed-off-by: Geert Uytterhoeven
Looks good to me. All patches are reviewed or acked, except this one.
Can I get an ack from arm
Le 18/08/2023 à 10:59, Christophe Leroy a écrit :
>CC arch/powerpc/perf/core-fsl-emb.o
> arch/powerpc/perf/core-fsl-emb.c:675:6: error: no previous prototype for
> 'hw_perf_event_setup' [-Werror=missing-prototypes]
>675 | void hw_perf_event_setup(int cpu)
>| ^~~
On Tue, Aug 22, 2023 at 02:34:06AM +0100, Matthew Wilcox wrote:
> On Tue, Aug 22, 2023 at 11:22:17AM +1000, Stephen Rothwell wrote:
> > Hi Matthew,
> >
> > On Tue, 22 Aug 2023 02:11:44 +0100 Matthew Wilcox
> > wrote:
> > >
> > > On Tue, Aug 22, 2023 at 09:55:37AM +1000, Stephen Rothwell wrote:
>
On Mon, 21 Aug 2023, Jann Horn wrote:
> On Mon, Aug 21, 2023 at 9:51 PM Hugh Dickins wrote:
> > Jann Horn demonstrated how userfaultfd ioctl UFFDIO_COPY into a private
> > shmem mapping can add valid PTEs to page table collapse_pte_mapped_thp()
> > thought it had emptied: page lock on the huge pag
tree: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git
next-test
head: 0f71dcfb4aef6043da6cc509e7a7f6a3ae87c12d
commit: 3a24ea0df83e32355d897a18bbd82e05986dcdc3 [9/109] powerpc/kuap: Use ASM
feature fixups instead of static branches
config: powerpc64-randconfig-r031-20230822
On Tue, Aug 22, 2023 at 11:22:17AM +1000, Stephen Rothwell wrote:
> Hi Matthew,
>
> On Tue, 22 Aug 2023 02:11:44 +0100 Matthew Wilcox wrote:
> >
> > On Tue, Aug 22, 2023 at 09:55:37AM +1000, Stephen Rothwell wrote:
> > > In file included from include/trace/trace_events.h:27,
> > >
Hi Matthew,
On Tue, 22 Aug 2023 02:11:44 +0100 Matthew Wilcox wrote:
>
> On Tue, Aug 22, 2023 at 09:55:37AM +1000, Stephen Rothwell wrote:
> > In file included from include/trace/trace_events.h:27,
> > from include/trace/define_trace.h:102,
> > from fs/xfs/xfs_tr
On Tue, Aug 22, 2023 at 09:55:37AM +1000, Stephen Rothwell wrote:
> In file included from include/trace/trace_events.h:27,
> from include/trace/define_trace.h:102,
> from fs/xfs/xfs_trace.h:4428,
> from fs/xfs/xfs_trace.c:45:
> include/linux/pgtabl
tree: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git
next-test
head: 0f71dcfb4aef6043da6cc509e7a7f6a3ae87c12d
commit: 3a24ea0df83e32355d897a18bbd82e05986dcdc3 [9/109] powerpc/kuap: Use ASM
feature fixups instead of static branches
config: powerpc64-randconfig-r012-20230822
Hi all,
Today's linux-next merge of the powerpc tree got a conflict in:
arch/powerpc/Kconfig
between commit:
8d05554dca2a ("powerpc: mm: convert to GENERIC_IOREMAP")
from the mm-stable tree and commit:
0ceef6e99cc3 ("powerpc/idle: Add support for nohlt")
from the powerpc tree.
I fixed
On Mon, Aug 21, 2023 at 07:39:15PM -0400, Sean Anderson wrote:
> Well, I think we should take the opportunity to think about the hardware
> which exists and how we plan to model it. IMO grouping lanes into a
> single phy simplifies both the phy driver and the mac driver.
Ok, but ungrouped for back
On 8/21/23 18:48, Vladimir Oltean wrote:
> On Mon, Aug 21, 2023 at 05:06:46PM -0400, Sean Anderson wrote:
>> On 8/21/23 15:58, Vladimir Oltean wrote:
>> > On Mon, Aug 21, 2023 at 02:46:53PM -0400, Sean Anderson wrote:
>> >> After further review, it seems the reason 28g can get away without this
>>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git
next-test
head: 0f71dcfb4aef6043da6cc509e7a7f6a3ae87c12d
commit: 3a24ea0df83e32355d897a18bbd82e05986dcdc3 [9/109] powerpc/kuap: Use ASM
feature fixups instead of static branches
config: powerpc64-randconfig-r036-20230822
On Mon, Aug 21, 2023 at 05:06:46PM -0400, Sean Anderson wrote:
> On 8/21/23 15:58, Vladimir Oltean wrote:
> > On Mon, Aug 21, 2023 at 02:46:53PM -0400, Sean Anderson wrote:
> >> After further review, it seems the reason 28g can get away without this
> >> is because there's a one-to-one mapping betw
On Mon, Aug 21, 2023 at 9:51 PM Hugh Dickins wrote:
> Jann Horn demonstrated how userfaultfd ioctl UFFDIO_COPY into a private
> shmem mapping can add valid PTEs to page table collapse_pte_mapped_thp()
> thought it had emptied: page lock on the huge page is enough to protect
> against WP faults (wh
On Mon, Aug 21, 2023 at 12:51:20PM -0700, Hugh Dickins wrote:
> Jann Horn demonstrated how userfaultfd ioctl UFFDIO_COPY into a private
> shmem mapping can add valid PTEs to page table collapse_pte_mapped_thp()
> thought it had emptied: page lock on the huge page is enough to protect
> against WP f
On 8/21/23 15:58, Vladimir Oltean wrote:
> On Mon, Aug 21, 2023 at 02:46:53PM -0400, Sean Anderson wrote:
>> After further review, it seems the reason 28g can get away without this
>> is because there's a one-to-one mapping between protocol controllers and
>> lanes. Unfortunately, that regularity i
On Fri, Aug 18, 2023 at 06:39:16PM +0200, Christophe Leroy wrote:
> From: Herve Codina
>
> The Lantiq PEF2256 is a framer and line interface component designed to
> fulfill all required interfacing between an analog E1/T1/J1 line and the
> digital PCM system highway/H.100 bus.
>
> Signed-off-by:
On Fri, Aug 18, 2023 at 06:39:00PM +0200, Christophe Leroy wrote:
> From: Herve Codina
>
> The QMC (QUICC mutichannel controller) is a controller present in some
> PowerQUICC SoC such as MPC885.
> The QMC HDLC uses the QMC controller to transfer HDLC data.
>
> Additionally, a framer can be conne
On Mon, Aug 21, 2023 at 02:46:53PM -0400, Sean Anderson wrote:
> After further review, it seems the reason 28g can get away without this
> is because there's a one-to-one mapping between protocol controllers and
> lanes. Unfortunately, that regularity is not present for 10g.
>
> --Sean
There are
Jann Horn demonstrated how userfaultfd ioctl UFFDIO_COPY into a private
shmem mapping can add valid PTEs to page table collapse_pte_mapped_thp()
thought it had emptied: page lock on the huge page is enough to protect
against WP faults (which find the PTE has been cleared), but not enough
to protect
Sean Christopherson writes:
> On Mon, Aug 07, 2023, Ackerley Tng wrote:
>> Sean Christopherson writes:
>>
>> > Add a selftest to verify the basic functionality of guest_memfd():
>> >
>> >
>>
>> Here's one more test:
>
> First off, thank you! I greatly appreciate all the selftests work you (a
On Mon, 14 Aug 2023, Jann Horn wrote:
> On Wed, Jul 12, 2023 at 6:42 AM Hugh Dickins wrote:
> > Bring collapse_and_free_pmd() back into collapse_pte_mapped_thp().
> > It does need mmap_read_lock(), but it does not need mmap_write_lock(),
> > nor vma_start_write() nor i_mmap lock nor anon_vma lock.
On Mon, Aug 21, 2023, Ackerley Tng wrote:
> Sean Christopherson writes:
>
> > On Tue, Aug 15, 2023, Ackerley Tng wrote:
> >> Sean Christopherson writes:
> >> > Nullifying the KVM pointer isn't sufficient, because without additional
> >> > actions
> >> > userspace could extract data from a VM by
On Mon, 21 Aug 2023 05:19:22 + Christophe Leroy wrote:
> As I said in the cover letter, this series only fixes critical build
> failures that happened when CONFIG_MODULES is set. The purpose was to
> allow robots to perform their job up to the end. Other feedback and
> comments will be taken
On 8/21/23 14:13, Ioana Ciornei wrote:
> On Mon, Aug 21, 2023 at 01:45:44PM -0400, Sean Anderson wrote:
>> Well, we have two pieces of information we need
>>
>> - What values do we need to program in the PCCRs to select a particular
>> mode? This includes whether to e.g. set the KX bits.
>> - Im
On Mon, Aug 21, 2023 at 09:13:49PM +0300, Ioana Ciornei wrote:
> > - We can have one compatible for each SoC, and determine the serdes
> > based on the address. I would like to avoid this...
>
> To me this really seems like a straightforward approach.
+1
On Mon, Aug 21, 2023 at 01:45:44PM -0400, Sean Anderson wrote:
> Well, we have two pieces of information we need
>
> - What values do we need to program in the PCCRs to select a particular
> mode? This includes whether to e.g. set the KX bits.
> - Implied by the above, what protocols are support
On 8/21/23 08:49, Vladimir Oltean wrote:
> Hi Sean,
>
> On Fri, Aug 11, 2023 at 07:36:37PM +0300, Vladimir Oltean wrote:
>> Let me explain that approach, because your mention of "swapping out the
>> bootloaders" makes it appear as if you are not visualising what I am
>> proposing.
>>
>> The Lynx
Sean Christopherson writes:
> On Tue, Aug 15, 2023, Ackerley Tng wrote:
>> Sean Christopherson writes:
>>
>> >> I feel that memslots form a natural way of managing usage of the gmem
>> >> file. When a memslot is created, it is using the file; hence we take a
>> >> refcount on the gmem file, and
On Wed, 2023-08-16 at 23:41 +0300, Jarkko Sakkinen wrote:
> On Wed Aug 16, 2023 at 10:45 PM EEST, Greg Joyce wrote:
> > It's been almost 4 weeks since the last resend and there haven't
> > been
> > any comments. Is there anything that needs to be changed for
> > acceptance?
> >
> > Thanks for your
Use the newly added struct opal_prd_msg in some other functions that
operate on opal_prd messages, rather than using other types.
Signed-off-by: Michael Ellerman
---
arch/powerpc/platforms/powernv/opal-prd.c | 10 +-
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/arch/powe
As reported by Mahesh & Aneesh, opal_prd_msg_notifier() triggers a
FORTIFY_SOURCE warning:
memcpy: detected field-spanning write (size 32) of single field "&item->msg"
at arch/powerpc/platforms/powernv/opal-prd.c:355 (size 4)
WARNING: CPU: 9 PID: 660 at arch/powerpc/platforms/powernv/opal-prd
Clang reports:
arch/powerpc/platforms/powermac/feature.c:137:19: error: unused function
'simple_feature_tweak'
It's only used inside the #ifndef CONFIG_PPC64 block, so move it in
there to fix the warning. While at it drop the inline, the compiler will
decide whether it should be inlined or not.
Use new try_vma_locked_page_fault() helper to simplify code, also
pass struct vmf to __do_page_fault() directly instead of each
independent variable. No functional change intended.
Signed-off-by: Kefeng Wang
---
arch/arm64/mm/fault.c | 60 ---
1 file chang
Use new try_vma_locked_page_fault() helper to simplify code.
No functional change intended.
Signed-off-by: Kefeng Wang
---
arch/s390/mm/fault.c | 66 ++--
1 file changed, 27 insertions(+), 39 deletions(-)
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/f
Use new try_vma_locked_page_fault() helper to simplify code.
No functional change intended.
Signed-off-by: Kefeng Wang
---
arch/x86/mm/fault.c | 55 +++--
1 file changed, 23 insertions(+), 32 deletions(-)
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fau
Attempt VMA lock-based page fault handling first, and fall back
to the existing mmap_lock-based handling if that fails.
Signed-off-by: Kefeng Wang
---
arch/arm/Kconfig| 1 +
arch/arm/mm/fault.c | 35 +--
2 files changed, 26 insertions(+), 10 deletions(-)
dif
Cleanup __do_page_fault() by reuse bad_area_nosemaphore and
bad_area label.
Signed-off-by: Kefeng Wang
---
arch/loongarch/mm/fault.c | 48 +--
1 file changed, 16 insertions(+), 32 deletions(-)
diff --git a/arch/loongarch/mm/fault.c b/arch/loongarch/mm/fault.c
Add access_error() to check whether vma could be accessible or not,
which will be used __do_page_fault() and later vma locked based page
fault.
Signed-off-by: Kefeng Wang
---
arch/loongarch/mm/fault.c | 30 --
1 file changed, 20 insertions(+), 10 deletions(-)
diff --
Add a generic VMA lock-based page fault handler in mm core, and convert
architectures to use it, which eliminate architectures's duplicated
codes.
With it, we can avoid multiple changes in architectures's code if we
add new feature or bugfix, in the end, enable this feature on ARM32
and Loongarch
Use new try_vma_locked_page_fault() helper to simplify code.
No functional change intended.
Signed-off-by: Kefeng Wang
---
arch/powerpc/mm/fault.c | 66 -
1 file changed, 32 insertions(+), 34 deletions(-)
diff --git a/arch/powerpc/mm/fault.c b/arch/powerp
Use new try_vma_locked_page_fault() helper to simplify code.
No functional change intended.
Signed-off-by: Kefeng Wang
---
arch/riscv/mm/fault.c | 58 ++-
1 file changed, 24 insertions(+), 34 deletions(-)
diff --git a/arch/riscv/mm/fault.c b/arch/riscv/mm
The ARCH_SUPPORTS_PER_VMA_LOCK are enabled by more and more architectures,
eg, x86, arm64, powerpc and s390, and riscv, those implementation are very
similar which results in some duplicated codes, let's add a generic VMA
lock-based page fault handler try_to_vma_locked_page_fault() to eliminate
the
Hi Sean,
On Fri, Aug 11, 2023 at 07:36:37PM +0300, Vladimir Oltean wrote:
> Let me explain that approach, because your mention of "swapping out the
> bootloaders" makes it appear as if you are not visualising what I am
> proposing.
>
> The Lynx SerDes family has 2 PLLs, and more lanes (4 or 8). E
Attempt VMA lock-based page fault handling first, and fall back
to the existing mmap_lock-based handling if that fails.
Signed-off-by: Kefeng Wang
---
arch/loongarch/Kconfig| 1 +
arch/loongarch/mm/fault.c | 37 +++--
2 files changed, 32 insertions(+), 6 dele
On Fri, 18 Aug 2023, Christophe Leroy wrote:
> From: Herve Codina
>
> The loop searching for a matching device based on its compatible
> string is aborted when a matching disabled device is found.
> This abort prevents to add devices as soon as one disabled device
> is found.
>
> Continue searc
-ci/archive/20230821/202308211729.rxk20sco-...@intel.com/config)
compiler: powerpc64-linux-gcc (GCC) 12.3.0
reproduce:
(https://download.01.org/0day-ci/archive/20230821/202308211729.rxk20sco-...@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
On Mon, Aug 21, 2023 at 7:19 AM Christophe Leroy
wrote:
> Le 20/08/2023 à 23:06, Linus Walleij a écrit :
> > On Fri, Aug 18, 2023 at 6:41 PM Christophe Leroy
> > wrote:
> >
> >> From: Herve Codina
> >>
> >> A framer is a component in charge of an E1/T1 line interface.
> >> Connected usually to a
Le 18/08/2023 à 18:39, Christophe Leroy a écrit :
From: Herve Codina
QMC channels support runtime timeslots changes but nothing is done at
the QMC HDLC driver to handle these changes.
Use existing IFACE ioctl in order to configure the timeslots to use.
Signed-off-by: Herve Codina
Reviewed-by
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