Commit 9e9f60108423f ("powerpc/perf/{hv-gpci, hv-common}: generate
requests with counters annotated") adds a framework for defining
gpci counters.
In this patch, they adds starting_index value as '0x'.
which is wrong as starting_index is of size 32 bits.
Because of this, incase we
This patch adds ABI documentation for hv-24x7 format.
Signed-off-by: Kajol Jain
---
.../sysfs-bus-event_source-devices-hv_24x7| 25 +++
1 file changed, 25 insertions(+)
diff --git a/Documentation/ABI/testing/sysfs-bus-event_source-devices-hv_24x7
This patch adds ABI documentation for hv-gpci event format.
Signed-off-by: Kajol Jain
---
.../sysfs-bus-event_source-devices-hv_gpci| 31 +++
1 file changed, 31 insertions(+)
diff --git a/Documentation/ABI/testing/sysfs-bus-event_source-devices-hv_gpci
Patch here adds cpu hotplug functions to hv_gpci pmu.
A new cpuhp_state "CPUHP_AP_PERF_POWERPC_HV_GPCI_ONLINE" enum
is added.
The online callback function updates the cpumask only if its
empty. As the primary intention of adding hotplug support
is to designate a CPU to make HCALL to collect the
Patch here adds a cpumask attr to hv_gpci pmu along with ABI documentation.
Primary use to expose the cpumask is for the perf tool which has the
capability to parse the driver sysfs folder and understand the
cpumask file. Having cpumask file will reduce the number of perf command
line parameters
From: Vladimir Oltean
Date: Fri, 2 Oct 2020 16:41:04 +0300
> Seville is a DSA switch that is embedded inside the T1040 SoC, and
> supported by the mscc_seville DSA driver inside drivers/net/dsa/ocelot.
>
> This series adds this switch to the SoC's dtsi files and to the T1040RDB
> board file.
>
Using const is good as it reduces data size.
Joe Perches (4):
KVM: PPC: Book3S HV: Make struct kernel_param_ops definition const
kvm x86/mmu: Make struct kernel_param_ops definitions const
rcu/tree: Make struct kernel_param_ops definitions const
mm/zswap: Make struct kernel_param_ops
This should be const, so make it so.
Signed-off-by: Joe Perches
---
arch/powerpc/kvm/book3s_hv.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index 4ba06a2a306c..2b215852cdc9 100644
---
These patches came up because I was looking for
the location of the declaration of the buffer used
in kernel/params.c struct kernel_param_ops .get
functions.
I didn't find it.
I want to see if it's appropriate to convert the
sprintf family of functions used in these .get
functions to sysfs_emit.
On Sat, Oct 03, 2020 at 06:19:18PM -0700, Joe Perches wrote:
> These patches came up because I was looking for
> the location of the declaration of the buffer used
> in kernel/params.c struct kernel_param_ops .get
> functions.
>
> I didn't find it.
>
> I want to see if it's appropriate to
On Sun, 2020-10-04 at 02:36 +0100, Matthew Wilcox wrote:
> On Sat, Oct 03, 2020 at 06:19:18PM -0700, Joe Perches wrote:
> > These patches came up because I was looking for
> > the location of the declaration of the buffer used
> > in kernel/params.c struct kernel_param_ops .get
> > functions.
> >
Quoting Herbert Xu :
On Fri, Oct 02, 2020 at 10:42:23PM +1000, Herbert Xu wrote:
I don't think that's a valid optimisation unless it's backed up
with real numbers.
Also it only matters on little-endian as they're no-ops on big-endian.
If I'm right then this driver never even worked on
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