linux-kernel - Re: [PATCH v10 00/12] LUF(Lazy Unmap Flush) reducing tlb numbers over 90%

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Date: Wed, 29 May 2024 10:16:26 +0800
From: "Huang, Ying" <ying.huang@...el.com>
To: Byungchul Park <byungchul@...com>
Cc: Dave Hansen <dave.hansen@...el.com>,  <linux-kernel@...r.kernel.org>,
  <linux-mm@...ck.org>,  <kernel_team@...ynix.com>,
  <akpm@...ux-foundation.org>,  <vernhao@...cent.com>,
  <mgorman@...hsingularity.net>,  <hughd@...gle.com>,
  <willy@...radead.org>,  <david@...hat.com>,  <peterz@...radead.org>,
  <luto@...nel.org>,  <tglx@...utronix.de>,  <mingo@...hat.com>,
  <bp@...en8.de>,  <dave.hansen@...ux.intel.com>,  <rjgolo@...il.com>
Subject: Re: [PATCH v10 00/12] LUF(Lazy Unmap Flush) reducing tlb numbers
 over 90%

Byungchul Park <byungchul@...com> writes:

> On Sun, May 26, 2024 at 07:43:10PM -0700, Dave Hansen wrote:
>> It has absolutely not been tested nor reviewed enough.  <fud>I hope the
>
> It has been tested enough on my side, and it should be reviewed enough
> for sure.

I believe that you have tested and reviewed the patchset by yourself.
But there are some other cases that you haven't thought about enough
before, as Dave pointed out.

So, I suggest you to try to find out more possible weakness of your
patchset.  Begin with what Dave and David pointed out.

> I will respin after rebasing the current mm-unstble and
> working on vfs shortly.
>
> 	Byungchul
>
>> performance gains stick around once more of the bugs are gone.</fud>

--
Best Regards,
Huang, Ying