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From: Xie Yuanbin <qq570070308@gmail.com>
To: tglx@linutronix.de
Cc: acme@kernel.org, adrian.hunter@intel.com, agordeev@linux.ibm.com,
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Subject: Re: [PATCH v5 1/3] x86/mm/tlb: Make enter_lazy_tlb() always inline on x86
Date: Tue, 16 Dec 2025 23:49:51 +0800	[thread overview]
Message-ID: <20251216154951.631-1-qq570070308@gmail.com> (raw)
In-Reply-To: <87345beoq2.ffs@tglx>

On Mon, 15 Dec 2025 16:42:13 +0100, Thomas Gleixner wrote:
> These Reported-by and Closes tags are just wrong. This is a new patch
> and the robot reported failures against earlier versions. The robot
> report is very clear about that:
>
>   "If you fix the issue in a separate patch/commit (i.e. not just a new version of
>    the same patch/commit), kindly add following tags
>      Reported-by:...
>      Closes:..."
>
> No?
>
> [...]
>
> Please move the '#define enter_....' under the inline function. That's
> way simpler to read.

Thanks for replying, I will improve it in the V6 patch.

>> +/*
>> + * Please ignore the name of this function.  It should be called
>> + * switch_to_kernel_thread().
>
> And why is it not renamed then?
>
>> + *
>> + * enter_lazy_tlb() is a hint from the scheduler that we are entering a
>
> We enter a kernel thread? AFAIK the metaverse has been canceled.
>
>> + * kernel thread or other context without an mm.  Acceptable implementations
>> + * include doing nothing whatsoever, switching to init_mm, or various clever
>> + * lazy tricks to try to minimize TLB flushes.
>> + *
>> + * The scheduler reserves the right to call enter_lazy_tlb() several times
>> + * in a row.  It will notify us that we're going back to a real mm by
>
> It will notify us by sending email or what?

I didn't write any comments, I just moved its location.

As for the content of the comment, I think it has nothing to do with this
patch. If the content of the comment needs to be modified, it should be
modified in another patch?

Thanks!

  reply	other threads:[~2025-12-16 15:50 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-12-14 19:09 [PATCH v5 0/3] Optimize code generation during context switching Xie Yuanbin
2025-12-14 19:09 ` [PATCH v5 1/3] x86/mm/tlb: Make enter_lazy_tlb() always inline on x86 Xie Yuanbin
2025-12-15 15:42   ` Thomas Gleixner
2025-12-16 15:49     ` Xie Yuanbin [this message]
2025-12-14 19:09 ` [PATCH v5 2/3] sched: Make raw_spin_rq_unlock() inline Xie Yuanbin
2025-12-14 23:39   ` Rik van Riel
2025-12-14 19:13 ` [PATCH v5 3/3] sched/core: Make finish_task_switch() and its subfunctions always inline Xie Yuanbin
2025-12-15 13:10 ` [PATCH v5 0/3] Optimize code generation during context switching Xie Yuanbin

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