Re: [PATCH v3 4/6] kvm powerpc/book3s-apiv2: Introduce kvm-hv specific PMU

2025-01-24 Thread Athira Rajeev
> On 23 Jan 2025, at 5:37 PM, Vaibhav Jain wrote: > > Introduce a new PMU named 'kvm-hv' to report Book3s kvm-hv specific > performance counters. This will expose KVM-HV specific performance > attributes to user-space via kernel's PMU infrastructure and would enable > users to monitor active k

Re: [PATCH 00/15] cpufreq: simplify boost handling

2025-01-24 Thread Rafael J. Wysocki
On Fri, Jan 24, 2025 at 9:58 AM Viresh Kumar wrote: > > Hello, > > The boost feature can be controlled at two levels currently, driver > level (applies to all policies) and per-policy. > > Currently most of the drivers enables driver level boost support from the > per-policy ->init() callback, whi

[PATCH 00/15] cpufreq: simplify boost handling

2025-01-24 Thread Viresh Kumar
Hello, The boost feature can be controlled at two levels currently, driver level (applies to all policies) and per-policy. Currently most of the drivers enables driver level boost support from the per-policy ->init() callback, which isn't really efficient as that gets called for each policy and t

[PATCH 10/15] cpufreq: powernv: Set .set_boost directly

2025-01-24 Thread Viresh Kumar
The boost feature can be controlled at two levels currently, driver level (applies to all policies) and per-policy. Currently the driver enables driver level boost support from the per-policy ->init() callback, which isn't really efficient as that gets called for each policy and then there is onli

Re: [PATCH v2 1/7] powerpc: properly negate error in syscall_set_return_value()

2025-01-24 Thread Alexey Gladkov
On Fri, Jan 24, 2025 at 01:43:22AM +0200, Dmitry V. Levin wrote: > On Thu, Jan 23, 2025 at 08:28:15PM +0200, Dmitry V. Levin wrote: > > On Mon, Jan 20, 2025 at 02:51:38PM +0100, Christophe Leroy wrote: > > > Le 14/01/2025 à 18:04, Dmitry V. Levin a écrit : > > > > On Mon, Jan 13, 2025 at 06:34:44PM

Re: [PATCH v2] powerpc/hugetlb: Disable gigantic hugepages if fadump is active

2025-01-24 Thread Christophe Leroy
Le 24/01/2025 à 11:32, Sourabh Jain a écrit : The fadump kernel boots with limited memory solely to collect the kernel core dump. Having gigantic hugepages in the fadump kernel is of no use. Many times, the fadump kernel encounters OOM (Out of Memory) issues if gigantic hugepages are allocated

Re: [PATCH v3 0/6] kvm powerpc/book3s-hv: Expose Hostwide counters as perf-events

2025-01-24 Thread Gautam Menghani
I tested this series on both lpar and bare metal, LGTM For the series: Tested-by: Gautam Menghani

Re: [PATCH v2 1/7] powerpc: properly negate error in syscall_set_return_value()

2025-01-24 Thread Dmitry V. Levin
On Fri, Jan 24, 2025 at 04:18:10PM +0100, Alexey Gladkov wrote: > On Fri, Jan 24, 2025 at 01:43:22AM +0200, Dmitry V. Levin wrote: > > On Thu, Jan 23, 2025 at 08:28:15PM +0200, Dmitry V. Levin wrote: > > > On Mon, Jan 20, 2025 at 02:51:38PM +0100, Christophe Leroy wrote: > > > > Le 14/01/2025 à 18:

[powerpc:next] BUILD SUCCESS 17391cb2613b82f8c405570fea605af3255ff8d2

2025-01-24 Thread kernel test robot
g-001-20250124gcc-13.2.0 arc randconfig-001-20250125gcc-13.2.0 arc randconfig-002-20250124gcc-13.2.0 arc randconfig-002-20250125gcc-13.2.0 arm allmodconfigclang-18 arm allmodc

Re: [PATCH v2 6/6] crash: option to let arch decide mem range is usable

2025-01-24 Thread Sourabh Jain
Hello Hari, On 24/01/25 15:22, Hari Bathini wrote: Hi Sourabh, On 21/01/25 5:24 pm, Sourabh Jain wrote: On PowerPC, the memory reserved for the crashkernel can contain components like RTAS, TCE, OPAL, etc., which should be avoided when loading kexec segments into crashkernel memory. Due to th

[PATCH v2] powerpc/hugetlb: Disable gigantic hugepages if fadump is active

2025-01-24 Thread Sourabh Jain
The fadump kernel boots with limited memory solely to collect the kernel core dump. Having gigantic hugepages in the fadump kernel is of no use. Many times, the fadump kernel encounters OOM (Out of Memory) issues if gigantic hugepages are allocated. To address this, disable gigantic hugepages if f

Re: [PATCH v2 6/6] crash: option to let arch decide mem range is usable

2025-01-24 Thread Hari Bathini
Hi Sourabh, On 21/01/25 5:24 pm, Sourabh Jain wrote: On PowerPC, the memory reserved for the crashkernel can contain components like RTAS, TCE, OPAL, etc., which should be avoided when loading kexec segments into crashkernel memory. Due to these special components, PowerPC has its own set of fun

Re: [PATCH v2] fs: introduce getfsxattrat and setfsxattrat syscalls

2025-01-24 Thread Christian Brauner
On Wed, Jan 22, 2025 at 03:18:34PM +0100, Andrey Albershteyn wrote: > From: Andrey Albershteyn > > Introduce getfsxattrat and setfsxattrat syscalls to manipulate inode > extended attributes/flags. The syscalls take parent directory FD and > path to the child together with struct fsxattr. > > Thi

Re: [PATCH v3 1/6] powerpc: Document APIv2 KVM hcall spec for Hostwide counters

2025-01-24 Thread Bagas Sanjaya
On Thu, Jan 23, 2025 at 05:37:43PM +0530, Vaibhav Jain wrote: > diff --git a/Documentation/arch/powerpc/kvm-nested.rst > b/Documentation/arch/powerpc/kvm-nested.rst > index 5defd13cc6c1..574592505604 100644 > --- a/Documentation/arch/powerpc/kvm-nested.rst > +++ b/Documentation/arch/powerpc/kvm-ne