linux-kernel - Re: [PATCH v2 6/6] serial: Consolidate BOTH

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Message-ID: <c7115ff1-2a97-f5a0-a0c2-c7c1064af291@kernel.org>
Date:   Thu, 23 Jun 2022 10:24:06 +0200
From:   Jiri Slaby <jirislaby@...nel.org>
To:     Andy Shevchenko <andy.shevchenko@...il.com>
Cc:     Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>,
        "linux-serial@...r.kernel.org" <linux-serial@...r.kernel.org>,
        Greg KH <gregkh@...uxfoundation.org>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        William Hubbs <w.d.hubbs@...il.com>,
        Chris Brannon <chris@...-brannons.com>,
        Kirk Reiser <kirk@...sers.ca>,
        Samuel Thibault <samuel.thibault@...-lyon.org>,
        "David S. Miller" <davem@...emloft.net>,
        "linux-mips@...r.kernel.org" <linux-mips@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "speakup@...ux-speakup.org" <speakup@...ux-speakup.org>,
        "sparclinux@...r.kernel.org" <sparclinux@...r.kernel.org>
Subject: Re: [PATCH v2 6/6] serial: Consolidate BOTH_EMPTY use

On 23. 06. 22, 10:11, Andy Shevchenko wrote:
>     * prom_putchar_wait() should be implemented using
>        read_poll_timeout_atomic(), incl. failure/timeout handling.
> 
> 
> Not sure since it is an early stage and scheduler might not work as 
> expected. Conversions to iopoll.h macros bitten us a few times already.

Except _atomic does not use scheduler :).

-- 
-- 
js
suse labs