[PATCH] arm/arm64: remove atomic_clear_mask() in "include/asm/atomic.h"
will.deacon at arm.com
Fri Oct 11 08:28:46 EDT 2013
On Fri, Oct 11, 2013 at 01:08:17PM +0100, Richard Weinberger wrote:
> On Fri, Oct 11, 2013 at 1:47 PM, Chen Gang <gang.chen at asianux.com> wrote:
> > In current kernel wide source code, except other architectures, only
> > s390 scsi drivers use atomic_clear_mask(), and arm/arm64 need not
> > support s390 drivers.
> > So remove atomic_clear_mask() from "arm/include/asm/atomic.h".
> Is it really worth removing such a primitive?
> If someone needs it later he has to implement it from scratch and
> introduces bugs...
The version we have (on ARM64 anyway) already has bugs. Given the choice
between fixing code that has no callers and simply removing it, I'd go for
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