Re: [PATCH 01/13] Make the x86 bitops like test_bit() return bool

[Dan Williams]

On Wed, Apr 29, 2015 at 12:21 PM, David Howells <dhowells@xxxxxxxxxx> wrote:
> Make the x86 bitop functions like test_bit() return bool rather than an
> integer.  This permits gcc-5 to make better choices and can reduce the code
> size overall and allows some warnings to be evaded.

This also would have prevented this regression in -next:

https://lists.01.org/pipermail/linux-nvdimm/2015-December/003557.html
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