Hi Christophe,
> ppc_md.iommu_save() is not set anymore by any platform after
> commit c40785ad305b ("powerpc/dart: Use a cachable DART").
> So iommu_save() has become a nop and can be removed.
I wonder if it makes sense to have an iommu_restore() without an
iommu_save. Only dart_iommu.c defines
On 3/9/21 4:32 pm, Daniel Axtens wrote:
commit 6d7f58b04d82 ("[PATCH] powerpc: Some minor cleanups to setup_32.c")
removed of_show_percpuinfo but didn't remove the prototype.
Remove it.
Fixes: 6d7f58b04d82 ("[PATCH] powerpc: Some minor cleanups to setup_32.c")
Signed-off-by: Daniel Axtens
I
commit 6d7f58b04d82 ("[PATCH] powerpc: Some minor cleanups to setup_32.c")
removed of_show_percpuinfo but didn't remove the prototype.
Remove it.
Fixes: 6d7f58b04d82 ("[PATCH] powerpc: Some minor cleanups to setup_32.c")
Signed-off-by: Daniel Axtens
---
arch/powerpc/platforms/powermac/pmac.h |
At the moment the generic KVM code creates an "%pid-%fd" entry per a KVM
instance; and the PPC HV KVM creates its own at "vm%pid".
The rproblems with the PPC entries are:
1. they do not allow multiple VMs in the same process (which is extremely
rare case mostly used by syzkaller fuzzer);
2. prone
On Thu, Sep 02, 2021 at 11:32:41AM -0300, Fabiano Rosas wrote:
> David Gibson writes:
>
> > On Wed, Sep 01, 2021 at 02:33:52PM -0300, Fabiano Rosas wrote:
> >> This series merges our three kvm modules kvm.ko, kvm-hv.ko and
> >> kvm-pr.ko into one kvm.ko module.
> >
> > That doesn't sound like a g
Details is added for the event, cpumask and format attributes
in the ABI documentation.
Acked-by: Peter Zijlstra (Intel)
Reviewed-by: Madhavan Srinivasan
Tested-by: Nageswara R Sastry
Signed-off-by: Kajol Jain
---
Documentation/ABI/testing/sysfs-bus-papr-pmem | 31 +++
1 file
Performance monitoring support for papr-scm nvdimm devices
via perf interface is added which includes addition of pmu
functions like add/del/read/event_init for nvdimm_pmu struture.
A new parameter 'priv' in added to the pdev_archdata structure to save
nvdimm_pmu device pointer, to handle the unre
A common interface is added to get performance stats reporting
support for nvdimm devices. Added interface includes support for
pmu register/unregister functions, cpu hotplug and pmu event
functions like event_init/add/read/del.
User could use the standard perf tool to access perf
events exposed vi
A structure is added, called nvdimm_pmu, for performance
stats reporting support of nvdimm devices. It can be used to add
nvdimm pmu data such as supported events and pmu event functions
like event_init/add/read/del with cpu hotplug support.
Acked-by: Peter Zijlstra (Intel)
Reviewed-by: Madhavan
Patchset adds performance stats reporting support for nvdimm.
Added interface includes support for pmu register/unregister
functions. A structure is added called nvdimm_pmu to be used for
adding arch/platform specific data such as supported events, cpumask
pmu event functions like event_init/add/re
Le 03/09/2021 à 00:20, Segher Boessenkool a écrit :
On Thu, Sep 02, 2021 at 04:52:03PM -0500, Segher Boessenkool wrote:
On Thu, Sep 02, 2021 at 01:33:10PM +1000, Nicholas Piggin wrote:
Excerpts from Christophe Leroy's message of September 2, 2021 3:21 am:
- /* Firstly we need to enabl
On Thu, Sep 02, 2021 at 04:52:03PM -0500, Segher Boessenkool wrote:
> On Thu, Sep 02, 2021 at 01:33:10PM +1000, Nicholas Piggin wrote:
> > Excerpts from Christophe Leroy's message of September 2, 2021 3:21 am:
> > >> -/* Firstly we need to enable TM in the kernel */
> > >> +/* We ne
On Thu, Sep 02, 2021 at 01:33:10PM +1000, Nicholas Piggin wrote:
> Excerpts from Christophe Leroy's message of September 2, 2021 3:21 am:
> >> - /* Firstly we need to enable TM in the kernel */
> >> + /* We need to enable TM in the kernel, and disable EE (for scv) */
> >>mfmsr r10
> >>l
Christophe Leroy writes:
> Use unsafe_copy_siginfo_to_user() in order to do the copy
> within the user access block.
>
> On an mpc 8321 (book3s/32) the improvment is about 5% on a process
> sending a signal to itself.
Nacked-by: "Eric W. Biederman"
copy_siginfo_to_user is not the same as copy_
Christophe Leroy writes:
> In the same spirit as commit fb05121fd6a2 ("signal: Add
> unsafe_get_compat_sigset()"), implement an 'unsafe' version of
> copy_siginfo_to_user() in order to use it within user access blocks.
>
> For that, also add an 'unsafe' version of clear_user().
Looking at your u
Hi John,
On Thu, Jul 15, 2021 at 9:53 PM John Ogness wrote:
> With @logbuf_lock removed, the high level printk functions for
> storing messages are lockless. Messages can be stored from any
> context, so there is no need for the NMI and safe buffers anymore.
> Remove the NMI and safe buffers.
>
>
On Wed, Sep 1, 2021 at 11:55 PM Christoph Hellwig wrote:
>
> I'm a little worried about all these unsafe helper in powerpc and the
> ever increasing scope of the unsafe sections. Can you at least at
> powerpc support to objtool to verify them? objtool verifications has
> helped to find quite a f
- On Sep 1, 2021, at 4:30 PM, Sean Christopherson sea...@google.com wrote:
> Add a test to verify an rseq's CPU ID is updated correctly if the task is
> migrated while the kernel is handling KVM_RUN. This is a regression test
> for a bug introduced by commit 72c3c0fe54a3 ("x86/kvm: Use generi
David Gibson writes:
> On Wed, Sep 01, 2021 at 02:33:52PM -0300, Fabiano Rosas wrote:
>> This series merges our three kvm modules kvm.ko, kvm-hv.ko and
>> kvm-pr.ko into one kvm.ko module.
>
> That doesn't sound like a good idea to me. People who aren't on BookS
> servers don't want - and can't
...
> > This is from my deep Windows past :)
> >
> > https://docs.microsoft.com/en-us/windows/win32/stg/coding-style-conventions
>
> =D How interesting! And according to that link 'sz' means "Zero terminated
> String". Imagine the confusion.. haha
Is that document responsible for some of the gene
tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git
next
branch HEAD: e432fe97f3e5de325b40021e505cce53877586c5 powerpc/bug: Cast to
unsigned long before passing to inline asm
elapsed time: 1390m
configs tested: 152
configs skipped: 3
The following configs have been
Alexey Kardashevskiy writes:
> On 02/09/2021 00:59, Fabiano Rosas wrote:
>> Alexey Kardashevskiy writes:
>>
>>> The userspace can trigger "vmalloc size %lu allocation failure: exceeds
>>> total pages" via the KVM_SET_USER_MEMORY_REGION ioctl.
>>>
>>> This silences the warning by checking the li
On 6/20/21 8:15 PM, Athira Rajeev wrote:
> Patch set adds PMU registers namely Sampled Instruction Address Register
> (SIAR) and Sampled Data Address Register (SDAR) as part of extended regs
> in PowerPC. These registers provides the instruction/data address and
> adding these to extended regs h
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