RE: [Patch v4] genirq/matrix: Choose CPU for managed IRQs based on how many of them are allocated

2018-11-06 Thread Long Li 
> Subject: Re: [Patch v4] genirq/matrix: Choose CPU for managed IRQs based
> on how many of them are allocated
> 
> Long,
> 
> On Tue, 6 Nov 2018, Long Li wrote:
> 
> > From: Long Li 
> >
> > On a large system with multiple devices of the same class (e.g. NVMe
> > disks, using managed IRQs), the kernel tends to concentrate their IRQs
> > on several CPUs.
> 
> Thanks for addressing the comments. Well done.
> 
> I've merged it, but took the liberty to rework the changelog so all the
> background information which we exchanged over the various iterations is
> preserved there.

Thank you!

Long

> 
> Thanks,
> 
>   tglx

RE: [Patch v4] genirq/matrix: Choose CPU for managed IRQs based on how many of them are allocated

2018-11-06 Thread Long Li 
> Subject: Re: [Patch v4] genirq/matrix: Choose CPU for managed IRQs based
> on how many of them are allocated
> 
> Long,
> 
> On Tue, 6 Nov 2018, Long Li wrote:
> 
> > From: Long Li 
> >
> > On a large system with multiple devices of the same class (e.g. NVMe
> > disks, using managed IRQs), the kernel tends to concentrate their IRQs
> > on several CPUs.
> 
> Thanks for addressing the comments. Well done.
> 
> I've merged it, but took the liberty to rework the changelog so all the
> background information which we exchanged over the various iterations is
> preserved there.

Thank you!

Long

> 
> Thanks,
> 
>   tglx

Re: [Patch v4] genirq/matrix: Choose CPU for managed IRQs based on how many of them are allocated

2018-11-06 Thread Thomas Gleixner 
Long,

On Tue, 6 Nov 2018, Long Li wrote:

> From: Long Li 
> 
> On a large system with multiple devices of the same class (e.g. NVMe disks,
> using managed IRQs), the kernel tends to concentrate their IRQs on several
> CPUs.

Thanks for addressing the comments. Well done.

I've merged it, but took the liberty to rework the changelog so all the
background information which we exchanged over the various iterations is
preserved there.

Thanks,

tglx

Re: [Patch v4] genirq/matrix: Choose CPU for managed IRQs based on how many of them are allocated

2018-11-06 Thread Thomas Gleixner 
Long,

On Tue, 6 Nov 2018, Long Li wrote:

> From: Long Li 
> 
> On a large system with multiple devices of the same class (e.g. NVMe disks,
> using managed IRQs), the kernel tends to concentrate their IRQs on several
> CPUs.

Thanks for addressing the comments. Well done.

I've merged it, but took the liberty to rework the changelog so all the
background information which we exchanged over the various iterations is
preserved there.

Thanks,

tglx