Re: [V2] arch/powerpc: use BUILD_BUG_ON_MSG() when detect unfit {cmp}xchg size

From	Michael Ellerman <mpe@ellerman.id.au>
Newsgroups	linux.kernel
Subject	Re: [V2] arch/powerpc: use BUILD_BUG_ON_MSG() when detect unfit {cmp}xchg size
Date	2016-02-29 12:10 +0100
Message-ID	<r7tSb-2et-37@gated-at.bofh.it> (permalink)
References	<r5j0S-4sa-19@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Tue, 2016-23-02 at 11:05:01 UTC, xinhui wrote:
> From: pan xinhui <xinhui.pan@linux.vnet.ibm.com>
> 
> __xchg_called_with_bad_pointer() can't tell us what codes use {cmp}xchg
> in incorrect way.  And no error will be reported until the link stage.
> To fix such a kind of issues easily, we use BUILD_BUG_ON_MSG() here.
> 
> Signed-off-by: pan xinhui <xinhui.pan@linux.vnet.ibm.com>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/10d8b1480e6966ba03cd3afad3

cheers

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[PATCH V2] arch/powerpc: use BUILD_BUG_ON_MSG() when detect unfit  {cmp}xchg size Pan Xinhui <xinhui@linux.vnet.ibm.com> - 2016-02-23 12:10 +0100
  Re: [V2] arch/powerpc: use BUILD_BUG_ON_MSG() when detect unfit {cmp}xchg size Michael Ellerman <mpe@ellerman.id.au> - 2016-02-29 12:10 +0100

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