From: Ionut-robert Aron
Convert fsl,qoriq-mc to YAML in order to automate the verification
process of dts files. In addition, update MAINTAINERS accordingly
and, while at it, add some missing files.
Signed-off-by: Ionut-robert Aron
[laurentiu.tu...@nxp.com: update MINTAINERS, updates & fixes in
On systems without any platform specific PMU driver support registered or
Generic Compat PMU support registered, running 'perf record' with
—intr-regs will crash ( perf record -I ).
The relevant portion from crash logs and Call Trace:
Unable to handle kernel paging request for data at address 0
On 20/11/2020 18:32, Christophe Lombard wrote:
Platform specific function to assign a register set to a Logical Partition.
The "ibm,mmio-atsd" property, provided by the firmware, contains the 16
base ATSD physical addresses (ATSD0 through ATSD15) of the set of MMIO
registers (XTS MMIO ATSDx LP
On 20/11/2020 18:32, Christophe Lombard wrote:
When a TLB Invalidate is required for the Logical Partition, the following
sequence has to be performed:
1. Load MMIO ATSD AVA register with the necessary value, if required.
2. Write the MMIO ATSD launch register to initiate the TLB Invalidate
On 20/11/2020 18:32, Christophe Lombard wrote:
To complete the MMIO based mechanism, the fields: PASID, bus, device and
function of the Process Element Entry have to be filled. (See
OpenCAPI Power Platform Architecture document)
Hypervisor Process Element Entry
Word
0
On 20/11/2020 18:32, Christophe Lombard wrote:
Add invalidate_range mmu notifier, when required (ATSD access of MMIO
registers is available), to initiate TLB invalidation commands.
For the time being, the ATSD0 set of registers is used by default.
The pasid and bdf values have to be configure
> When perf record session started with "-I" option, capture registers
> via intr-regs, on each sample ‘is_sier_available()'i is called to check
> for the SIER ( Sample Instruction Event Register) availability in the
> platform. This function in core-book3s access 'ppmu->flags'. If platform
> speci
Namhyung Kim writes:
> Hi Peter and Kan,
>
> (Adding PPC folks)
>
> On Tue, Nov 17, 2020 at 2:01 PM Namhyung Kim wrote:
>>
>> Hello,
>>
>> On Thu, Nov 12, 2020 at 4:54 AM Liang, Kan wrote:
>> >
>> >
>> >
>> > On 11/11/2020 11:25 AM, Peter Zijlstra wrote:
>> > > On Mon, Nov 09, 2020 at 09:49:31AM
Hi Athira,
Athira Rajeev writes:
> On systems without any platform specific PMU driver support registered or
> Generic Compat PMU support registered,
The compat PMU is registered just like other PMUs, so I don't see how we
can crash like this if the compat PMU is active?
ie. if we're using the
> On 23-Nov-2020, at 4:49 PM, Michael Ellerman wrote:
>
> Hi Athira,
>
> Athira Rajeev writes:
>> On systems without any platform specific PMU driver support registered or
>> Generic Compat PMU support registered,
>
> The compat PMU is registered just like other PMUs, so I don't see how we
On 9/10/20 12:20 pm, Andrew Donnellan wrote:
The Linux kernel for powerpc has an issue with the Run-Time Abstraction
Services (RTAS) interface, allowing root (or CAP_SYS_ADMIN users) in a
VM to overwrite some parts of memory, including kernel memory.
This issue impacts guests running on top of
> On 11-Nov-2020, at 3:13 PM, Nicholas Piggin wrote:
>
> This is required in order to allow more significant differences between
> NMI type interrupt handlers and regular asynchronous handlers.
>
> Signed-off-by: Nicholas Piggin
> ---
> arch/powerpc/kernel/traps.c | 31 +
Christophe, et al,
So what?
Are you going to push your change or should I re-send 1-2 without
whitespace cleanups?
On 11/19, Oleg Nesterov wrote:
>
> On 11/19, Christophe Leroy wrote:
> >
> > I think the following should work, and not require the first patch (compile
> > tested only).
> >
> > --
(Please don't top-post.)
> On Sun, Nov 22, 2020 at 10:36 PM Segher Boessenkool
> wrote:
> > "true" (as a result of a comparison) in as is -1, not 1.
On Mon, Nov 23, 2020 at 11:43:11AM -0800, Bill Wendling wrote:
> What Segher said. :-) Also, if you reverse the comparison, you'll get
> a build er
On Mon, Nov 23, 2020 at 12:01:01PM -0800, Bill Wendling wrote:
> On Mon, Nov 23, 2020 at 11:58 AM Segher Boessenkool
> wrote:
> > > On Sun, Nov 22, 2020 at 10:36 PM Segher Boessenkool
> > > wrote:
> > > > "true" (as a result of a comparison) in as is -1, not 1.
> >
> > On Mon, Nov 23, 2020 at 11:
On Mon, 23 Nov 2020 18:40:16 +1100, Stephen Rothwell wrote:
> After merging most of the trees, today's linux-next build (powerpc64
> allnoconfig) failed like this:
>
> In file included from arch/powerpc/include/asm/kup.h:18,
> from arch/powerpc/include/asm/uaccess.h:9,
>
Thanks sfr and mpe.
> Applied to powerpc/fixes.
>
> [1/1] powerpc/64s: Fix allnoconfig build since uaccess flush
>
> https://git.kernel.org/powerpc/c/b6b79dd53082db11070b4368d85dd6699ff0b063
We also needed a similar fix for stable, which has also been applied.
I guess I should build some
On Tue, Nov 3, 2020 at 9:29 AM Lee Jones wrote:
>
> This set is part of a larger effort attempting to clean-up W=1
> kernel builds, which are currently overwhelmingly riddled with
> niggly little warnings.
>
> Lee Jones (25):
> soc: fsl: dpio: qbman-portal: Fix a bunch of kernel-doc misdemeanou
Hi Roy,
On Tue, Nov 3, 2020 at 9:31 AM Lee Jones wrote:
>
> Fixes the following W=1 kernel build warning(s):
>
> drivers/soc/fsl/qbman/qman.c: In function ‘qman_shutdown_fq’:
> drivers/soc/fsl/qbman/qman.c:2700:8: warning: variable ‘dequeue_wq’ set but
> not used [-Wunused-but-set-variable]
>
Oleg Nesterov writes:
> Christophe, et al,
>
> So what?
>
> Are you going to push your change or should I re-send 1-2 without
> whitespace cleanups?
I'll take your 1 & 2 and fixup the whitespace issues when applying.
cheers
> On 11/19, Oleg Nesterov wrote:
>>
>> On 11/19, Christophe Leroy wrote
On Mon, Oct 19, 2020 at 9:15 PM Yi Wang wrote:
>
> From: Hao Si
>
> The local variable 'cpumask_t mask' is in the stack memory, and its address
> is assigned to 'desc->affinity' in 'irq_set_affinity_hint()'.
> But the memory area where this variable is located is at risk of being
> modified.
>
>
nfig
sparc defconfig
i386defconfig
mips allmodconfig
powerpc allyesconfig
powerpc allmodconfig
powerpc allnoconfig
i386 randconfig-a00
randconfig-a004-20201120
x86_64 randconfig-a005-20201120
x86_64 randconfig-a001-20201120
x86_64 randconfig-a002-20201120
i386 randconfig-a004-20201123
i386 randconfig-a003-20201123
i386 randconfig-a002-20201123
i386
randconfig-a004-20201123
i386 randconfig-a003-20201123
i386 randconfig-a002-20201123
i386 randconfig-a005-20201123
i386 randconfig-a001-20201123
i386 randconfig-a006-20201123
x86_64 randconfig
On systems without any specific PMU driver support registered, running
'perf record' with —intr-regs will crash ( perf record -I ).
The relevant portion from crash logs and Call Trace:
Unable to handle kernel paging request for data at address 0x0068
Faulting instruction address: 0xc000
Bill Wendling writes:
> On Mon, Nov 23, 2020 at 12:10 PM Segher Boessenkool
> wrote:
>> On Mon, Nov 23, 2020 at 12:01:01PM -0800, Bill Wendling wrote:
>> > On Mon, Nov 23, 2020 at 11:58 AM Segher Boessenkool
>> > wrote:
>> > > > On Sun, Nov 22, 2020 at 10:36 PM Segher Boessenkool
>> > > > wrote
On Tue, 17 Nov 2020 12:50:29 -0600, Tyrel Datwyler wrote:
> Both ibmvfc_show_host_(capabilities|npiv_version) functions retrieve
> values from vhost->login_buf.resp buffer. This is the MAD response
> buffer from the VIOS and as such any multi-byte non-string values are in
> big endian format.
>
>
Hello,
On Mon, Nov 23, 2020 at 8:00 PM Michael Ellerman wrote:
>
> Namhyung Kim writes:
> > Hi Peter and Kan,
> >
> > (Adding PPC folks)
> >
> > On Tue, Nov 17, 2020 at 2:01 PM Namhyung Kim wrote:
> >>
> >> Hello,
> >>
> >> On Thu, Nov 12, 2020 at 4:54 AM Liang, Kan
> >> wrote:
> >> >
> >> >
On 11/24/20 10:21 AM, Namhyung Kim wrote:
Hello,
On Mon, Nov 23, 2020 at 8:00 PM Michael Ellerman wrote:
Namhyung Kim writes:
Hi Peter and Kan,
(Adding PPC folks)
On Tue, Nov 17, 2020 at 2:01 PM Namhyung Kim wrote:
Hello,
On Thu, Nov 12, 2020 at 4:54 AM Liang, Kan wrote:
On 11/11/
On Tue, 17 Nov 2020 19:10:58 -0600, Tyrel Datwyler wrote:
> Several Management Datagrams (MADs) have been reversioned to add a targetWWPN
> field that is intended to better identify a target over in place of the
> scsi_id.
> This patchset adds the new protocol definitions and implements support f
There are 10 users of __irq_domain_alloc_irqs() and only one - IOAPIC -
passes realloc==true. There is no obvious reason for handling this
specific case in the generic code.
This splits out __irq_domain_alloc_irqs_data() to make it clear what
IOAPIC does and makes __irq_domain_alloc_irqs() cleaner
__irq_domain_alloc_irqs() can already handle virq==-1 and free
descriptors if it failed allocating hardware interrupts so let's skip
this extra step.
Signed-off-by: Alexey Kardashevskiy
---
kernel/irq/ipi.c | 16 +++-
1 file changed, 3 insertions(+), 13 deletions(-)
diff --git a/ker
At the moment the IRQ descriptor is freed via the free_desc() helper.
We want to add reference counting to IRQ descriptors and there is already
kobj embedded into irq_desc which we want to reuse.
This shuffles free_desc()/etc to make it simply call kobject_put() and
moves all the cleanup into the
This is another attempt to add reference counting to IRQ
descriptors; or - more to the point - reuse already existing
kobj from irq_desc. This allows the same IRQ to be used several
times (such as legacy PCI INTx) and when disposing those, only
the last reference drop clears the hardware mappings.
This references an irq_desc if already mapped interrupt requested to map
again. This happends for PCI legacy interrupts where 4 interrupts are
shared among all devices on the same PCI host bus adapter.
>From now on, the users shall call irq_dispose_mapping() for every
irq_create_fwspec_mapping().
The two previous patches made @realloc obsolete. This finishes removing it.
Signed-off-by: Alexey Kardashevskiy
---
include/linux/irqdomain.h | 4 +---
arch/x86/kernel/apic/io_apic.c | 2 +-
drivers/gpio/gpiolib.c | 1 -
drivers/irqchip/irq-armada-370-xp.c | 2 +-
dri
We want to make the irq_desc.kobj's release hook free associated resources
but we do not want to pollute the irqdesc code with domains.
This adds a free_irq hook which is called when the last reference to
the descriptor is dropped.
The first user is mapped irqs. This potentially can break the exi
This moves hierarchical domain's irqs cleanup into the kobject release
hook to make irq_domain_free_irqs() as simple as kobject_put.
Signed-off-by: Alexey Kardashevskiy
---
kernel/irq/irqdomain.c | 43 +-
1 file changed, 22 insertions(+), 21 deletions(-)
From: Oliver O'Halloran
When a passthrough IO adapter is removed from a pseries machine using hash
MMU and the XIVE interrupt mode, the POWER hypervisor expects the guest OS
to clear all page table entries related to the adapter. If some are still
present, the RTAS call which isolates the PCI slo
et is based on linux-next (next-20201123) and it depends on
changes in x86/cleanups (those reclaim TIF_IA32/TIF_X32) and also
on my changes in akpm (fixing several mremap() issues).
I have a series that cleans up VDSO init on powerpc and migrates powerpc to
_install_special_mapping() (patch 1
IS_ERR_VALUE macro should be used only with unsigned long type.
Especially it works incorrectly with unsigned shorter types on
64bit machines.
Fixes: 976de6a8c304 ("fs_enet: Be an of_platform device when
CONFIG_PPC_CPM_NEW_BINDING is set.")
Fixes: 4c35630ccda5 ("[POWERPC] Change rheap functions t
IS_ERR_VALUE macro should be used only with unsigned long type.
Especially it works incorrectly with unsigned shorter types on
64bit machines.
Fixes: 4c35630ccda5 ("[POWERPC] Change rheap functions to use ulongs instead of
pointers")
Signed-off-by: Wei Li
---
drivers/net/ethernet/freescale/ucc_
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