All of lore.kernel.org
 help / color / mirror / Atom feed
From: Thomas Gleixner <tglx@linutronix.de>
To: Yajun Deng <yajun.deng@linux.dev>
Cc: linux-kernel@vger.kernel.org, Yajun Deng <yajun.deng@linux.dev>
Subject: Re: [PATCH] genirq: Keep affinity_hint unchanged if it has a value
Date: Tue, 11 Mar 2025 15:14:04 +0100	[thread overview]
Message-ID: <871pv31wpf.ffs@tglx> (raw)
In-Reply-To: <20250311013352.2727490-1-yajun.deng@linux.dev>

On Tue, Mar 11 2025 at 09:33, Yajun Deng wrote:
> affinity_hint is a hint to user space for preferred irq affinity, but
> it could chang if the value it points to is changed. In other words,
> the hint is invalid.

That's a problem of the driver which provides the hint.
>
> For example, if affinity_hint points to smp_affinity, smp_affinity
> is changed by the user, and affinity_hint would chang. affinity_hint
> couldn't as a hint to the user, it should keep the value if it has.

What is 'smp_affinity'? 

I really fail to understand the problem you are trying to solve.

Thanks,

        tglx

  reply	other threads:[~2025-03-11 14:14 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-03-11  1:33 [PATCH] genirq: Keep affinity_hint unchanged if it has a value Yajun Deng
2025-03-11 14:14 ` Thomas Gleixner [this message]
2025-03-12  3:20   ` Yajun Deng
2025-03-12  9:10     ` Thomas Gleixner
2025-03-12 10:28       ` Yajun Deng
2025-03-11 18:51 ` kernel test robot
2025-03-11 19:55 ` kernel test robot

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=871pv31wpf.ffs@tglx \
    --to=tglx@linutronix.de \
    --cc=linux-kernel@vger.kernel.org \
    --cc=yajun.deng@linux.dev \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.