Re: [PATCH v2] arch_topology: Make cpu_capacity sysfs node as ready-only

2019-03-29 Thread Greg KH
On Thu, Mar 28, 2019 at 10:17:05AM +0530, Lingutla Chandrasekhar wrote: > If user updates any cpu's cpu_capacity, then the new value is going to > be applied to all its online sibling cpus. But this need not to be correct > always, as sibling cpus (in ARM, same micro architecture cpus) would have

Re: [PATCH v2] arch_topology: Make cpu_capacity sysfs node as ready-only

2019-03-28 Thread Mukesh Ojha
Thanks for making the change suggested. Should not this be v3. Please add version detail properly including what changes you made in which version after ---,  that makes the patch easy to review. Thanks. Mukesh On 3/28/2019 10:17 AM, Lingutla Chandrasekhar wrote: If user updates any cpu's

[PATCH v2] arch_topology: Make cpu_capacity sysfs node as ready-only

2019-03-27 Thread Lingutla Chandrasekhar
If user updates any cpu's cpu_capacity, then the new value is going to be applied to all its online sibling cpus. But this need not to be correct always, as sibling cpus (in ARM, same micro architecture cpus) would have different cpu_capacity with different performance characteristics. So,

Re: [PATCH v2] arch_topology: Make cpu_capacity sysfs node as ready-only

2019-03-27 Thread Mukesh Ojha
On 3/27/2019 5:27 PM, Lingutla Chandrasekhar wrote: If user updates any cpu's cpu_capacity, then the new value is going to be applied to all its online sibling cpus. But this need not to be correct always, as sibling cpus (in ARM, same micro architecture cpus) would have different cpu_capacity

[PATCH v2] arch_topology: Make cpu_capacity sysfs node as ready-only

2019-03-27 Thread Lingutla Chandrasekhar
If user updates any cpu's cpu_capacity, then the new value is going to be applied to all its online sibling cpus. But this need not to be correct always, as sibling cpus (in ARM, same micro architecture cpus) would have different cpu_capacity with different performance characteristics. So updating

Re: [PATCH v2] arch_topology: Make cpu_capacity sysfs node as ready-only

2019-03-27 Thread Quentin Perret
Hi, On Friday 08 Mar 2019 at 18:08:48 (+0530), Lingutla Chandrasekhar wrote: > If user updates any cpu's cpu_capacity, then the new value is going to > be applied to all its online sibling cpus. But this need not to be correct > always, as sibling cpus (in ARM, same micro architecture cpus) would

[PATCH v2] arch_topology: Make cpu_capacity sysfs node as ready-only

2019-03-08 Thread Lingutla Chandrasekhar
If user updates any cpu's cpu_capacity, then the new value is going to be applied to all its online sibling cpus. But this need not to be correct always, as sibling cpus (in ARM, same micro architecture cpus) would have different cpu_capacity with different performance characteristics. So updating