linux-kernel - Re: [PATCH 06/30] entry: handle lazy rescheduling at user-exit

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Message-ID: <87plws8obl.ffs@tglx>
Date: Mon, 19 Feb 2024 16:29:34 +0100
From: Thomas Gleixner <tglx@...utronix.de>
To: Ankur Arora <ankur.a.arora@...cle.com>, linux-kernel@...r.kernel.org
Cc: peterz@...radead.org, torvalds@...ux-foundation.org, paulmck@...nel.org,
 akpm@...ux-foundation.org, luto@...nel.org, bp@...en8.de,
 dave.hansen@...ux.intel.com, hpa@...or.com, mingo@...hat.com,
 juri.lelli@...hat.com, vincent.guittot@...aro.org, willy@...radead.org,
 mgorman@...e.de, jpoimboe@...nel.org, mark.rutland@....com,
 jgross@...e.com, andrew.cooper3@...rix.com, bristot@...nel.org,
 mathieu.desnoyers@...icios.com, geert@...ux-m68k.org,
 glaubitz@...sik.fu-berlin.de, anton.ivanov@...bridgegreys.com,
 mattst88@...il.com, krypton@...ich-teichert.org, rostedt@...dmis.org,
 David.Laight@...LAB.COM, richard@....at, mjguzik@...il.com,
 jon.grimm@....com, bharata@....com, raghavendra.kt@....com,
 boris.ostrovsky@...cle.com, konrad.wilk@...cle.com, Ankur Arora
 <ankur.a.arora@...cle.com>
Subject: Re: [PATCH 06/30] entry: handle lazy rescheduling at user-exit

On Mon, Feb 12 2024 at 21:55, Ankur Arora wrote:
> The scheduling policy for TIF_NEED_RESCHED_LAZY is to allow the
> running task to voluntarily schedule out, running it to completion.
>
> For archs with GENERIC_ENTRY, do this by adding a check in

Please write out architectures. This is not twatter.

> exit_to_user_mode_loop().

Thanks,

        tglx