linux-kernel - Re: [PATCH v3] powerpc: fix EDEADLOCK redefinition error in uapi/asm/errno.h

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Message-Id: <161880480720.1398509.14927712402293166726.b4-ty@ellerman.id.au>
Date:   Mon, 19 Apr 2021 14:00:07 +1000
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Michael Ellerman <mpe@...erman.id.au>,
        Tony Ambardar <tony.ambardar@...il.com>
Cc:     Paul Mackerras <paulus@...ba.org>, linuxppc-dev@...ts.ozlabs.org,
        linux-arch@...r.kernel.org, bpf@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Tony Ambardar <Tony.Ambardar@...il.com>,
        Arnd Bergmann <arnd@...db.de>, Stable <stable@...r.kernel.org>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Rosen Penev <rosenp@...il.com>
Subject: Re: [PATCH v3] powerpc: fix EDEADLOCK redefinition error in uapi/asm/errno.h

On Thu, 17 Sep 2020 06:54:37 -0700, Tony Ambardar wrote:
> A few archs like powerpc have different errno.h values for macros
> EDEADLOCK and EDEADLK. In code including both libc and linux versions of
> errno.h, this can result in multiple definitions of EDEADLOCK in the
> include chain. Definitions to the same value (e.g. seen with mips) do
> not raise warnings, but on powerpc there are redefinitions changing the
> value, which raise warnings and errors (if using "-Werror").
> 
> [...]

Applied to powerpc/next.

[1/1] powerpc: fix EDEADLOCK redefinition error in uapi/asm/errno.h
      https://git.kernel.org/powerpc/c/7de21e679e6a789f3729e8402bc440b623a28eae

cheers