linux-kernel - Re: [PATCH] s390: Remove obsolete bust

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Message-ID: <20181123021748.GB1582@jagdpanzerIV>
Date:   Fri, 23 Nov 2018 11:17:48 +0900
From:   Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
To:     Petr Mladek <pmladek@...e.com>
Cc:     Martin Schwidefsky <schwidefsky@...ibm.com>,
        Heiko Carstens <heiko.carstens@...ibm.com>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
        linux-s390@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] s390: Remove obsolete bust_spinlock() implementation

On (11/22/18 15:15), Petr Mladek wrote:
> The commit cefc8be82403cf ("Consolidate bust_spinlocks()") kept
> the s390-specific implementation because of the absence of CONFIG_VT.
> In fact, the only difference was calling console_unblank() instead of
> unblank_screen().
> 
> The common implementation in lib/bust_spinlocks.c started to call
> unblank_screen() explicitly since the commit b61312d353da187
> ("oops handling: ensure that any oops is flushed to the mtdoops
> console").
> 
> As a result, the custom implementation is not longer necessary.
> And we could get all the other improvements of the common
> implementation for free.

I believe I sent a similar patch several weeks ago and it's
in s390 patch queue as of now, waiting for the next merge
window.

lkml.kernel.org/r/20181025081108.GB26561@...ris

	-ss