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SubjectRe: [PATCH for-next 00/32] spin lock usage optimization for SCSI drivers
Hi Finn,
Thanks for reviewing the patch set.

On 2021/2/8 15:57, Finn Thain wrote:
> On Sun, 7 Feb 2021, Xiaofei Tan wrote:
>> Replace spin_lock_irqsave with spin_lock in hard IRQ of SCSI drivers.
>> There are no function changes, but may speed up if interrupt happen too
>> often.
> This change doesn't necessarily work on platforms that support nested
> interrupts.

Linux doesn't support nested interrupts anymore after the following
patch, so please don't worry this.

> Were you able to measure any benefit from this change on some other
> platform?

It's hard to measure the benefit of this change. Hmm, you could take
this patch set as cleanup. thanks.

> Please see also,
> .

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