From: Peter Zijlstra <peterz@infradead.org>
To: Frederic Weisbecker <frederic@kernel.org>
Cc: Srikar Dronamraju <srikar@linux.ibm.com>,
Ingo Molnar <mingo@kernel.org>,
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Subject: Re: [PATCH] sched/hotplug: Remove unused idle_task_exit
Date: Fri, 23 Oct 2026 18:54:34 +0200 [thread overview]
Message-ID: <20261023165434.GX2823843@noisy.programming.kicks-ass.net> (raw)
In-Reply-To: <attjv8zOftf9Hlqe@localhost.localdomain>
On Fri, Oct 23, 2026 at 03:40:15PM +0200, Frederic Weisbecker wrote:
> Le Fri, Oct 16, 2026 at 03:26:40PM +0530, Srikar Dronamraju a écrit :
> > Commit 21641bd9a7a7 ("lazy tlb: fix hotplug exit race with
> > MMU_LAZY_TLB_SHOOTDOWN") moved the handling previously performed by
> > idle_task_exit() into the scheduler CPU hotplug path using
> > sched_force_init_mm().
> >
> > As a result, idle_task_exit() is now an empty stub and the remaining
> > architecture call sites have no effect.
> >
> > Remove the calls to idle_task_exit() and the now unused stub.
> >
> > Signed-off-by: Srikar Dronamraju <srikar@linux.ibm.com>
>
> Reviewed-by: Frederic Weisbecker <frederic@kernel.org>
Excellent; less is more and all that. Shall I take this through the
scheduler tree?
prev parent reply other threads:[~2026-10-23 16:54 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-16 9:56 Srikar Dronamraju
2026-10-23 13:40 ` Frederic Weisbecker
2026-10-23 16:54 ` Peter Zijlstra [this message]
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