On Wed, Jan 24, 2018 at 12:23:05PM +1100, Michael Ellerman wrote:
> Jonathan Neuschäfer writes:
[...]
> > Do you have any pointer on how to implement discontiguous memory
> > support? CONFIG_ARCH_SPARSEMEM_ENABLE seems relevant.
>
> I'm not really sure what the key impediment to it working is.
>
Nathan Fontenot writes:
> When DLPAR removing a CPU, the unmapping of the cpu from a node in
> unmap_cpu_from_node() should also invalidate the CPUs entry in the
> numa_cpu_lookup_table. There is not a guarantee that on a subsequent
> DLPAR add of the CPU the associativity will be the same and th
Frederic Barrat writes:
> Le 25/01/2018 à 14:17, Greg KH a écrit :
>> On Tue, Jan 23, 2018 at 12:31:47PM +0100, Frederic Barrat wrote:
>>> ocxl.rst gives a quick, high-level view of opencapi.
>>>
>>> Update ioctl-number.txt to reflect ioctl numbers being used by the
>>> ocxl driver
>>>
>>> Signed
"Aneesh Kumar K.V" writes:
> Christophe Leroy writes:
>
>> On the 8xx, the page size is set in the PMD entry and applies to
>> all pages of the page table pointed by the said PMD entry.
>>
...
>> diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c
>> index a9b9083c5e49..79
Michael Bringmann writes:
> diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
> index b15bae2..0a49231 100644
> --- a/arch/powerpc/kernel/prom.c
> +++ b/arch/powerpc/kernel/prom.c
> @@ -303,6 +306,71 @@ static void __init check_cpu_feature_properties(unsigned
> long node)
>
Anton Blanchard writes:
> From: Anton Blanchard
>
> Add a POWER9 optimised copy_page() loop. This loop uses the new D form
> vector loads and stores, and uses dcbz to pre zero the destination.
>
...
> +
> +#ifdef CONFIG_ALTIVEC
> + mflrr0
> + std r3,-STACKFRAMESIZE+STK_REG(R31)(r
Hi Paul,
On Tue, Jan 23, 2018 at 04:38:32PM +1100, Paul Mackerras wrote:
> On Thu, Jan 11, 2018 at 06:11:13PM +0800, wei.guo.si...@gmail.com wrote:
> > From: Simon Guo
> >
> > In current days, many OS distributions have utilized transaction
> > memory functionality. In PowerPC, HV KVM supports TM
The PMU watchdog will power down the system if the kernel is slow
to start up, e.g. due to unpacking a large initrd. The powerpc
version of this driver (via-pmu.c) has a solution for the same
problem. It uses this call sequence:
setup_arch
find_via_pmu
init_pmu
...
arch_ini
