From: Arnd Bergmann <arnd@arndb.de>
To: linux-arm-kernel@lists.infradead.org, ganguly.s@samsung.com
Cc: "Waiman.Long@hp.com" <Waiman.Long@hp.com>,
        "peterz@infradead.org" <peterz@infradead.org>,
        "vikram.m@samsung.com" <vikram.m@samsung.com>,
        "raghavendra.kt@linux.vnet.ibm.com" 
	<raghavendra.kt@linux.vnet.ibm.com>,
        "oleg@redhat.com" <oleg@redhat.com>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "mingo@redhat.com" <mingo@redhat.com>,
        SHARAN ALLUR <sharan.allur@samsung.com>,
        "hpa@zytor.com" <hpa@zytor.com>,
        "tglx@linutronix.de" <tglx@linutronix.de>,
        "torvalds@linux-foundation.org" <torvalds@linux-foundation.org>
Subject: Re: [RFC] arm: Add for atomic half word exchange
Date: Tue, 19 May 2015 13:42:42 +0200
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On Tuesday 19 May 2015 11:20:11 Sarbojit Ganguly wrote:
> Yes, I will try to do that. OTOH, I saw that  there was a discussion on
> removal of bad_xchg() altogether. Perhaps that approach be better than
> adding this half word exchange?

Removing bad_xchg() only helps insofar as we get a link-time error
instead of a run-time error. That is certainly a good idea, but it
does not solve your problem.

	Arnd
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