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From:   Paul Burton <paul.burton@mips.com>
To:     Thomas Bogendoerfer <tbogendoerfer@suse.de>
CC:     Ralf Baechle <ralf@linux-mips.org>,
        Paul Burton <pburton@wavecomp.com>,
        James Hogan <jhogan@kernel.org>,
        "linux-mips@vger.kernel.org" <linux-mips@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "linux-mips@vger.kernel.org" <linux-mips@vger.kernel.org>
Subject: Re: [PATCH] MIPS: include: Mark __cmpxchd as __always_inline
Thread-Topic: [PATCH] MIPS: include: Mark __cmpxchd as __always_inline
Thread-Index: AQHVfTeuJXsc/v2mykuJXQsGQB/faQ==
Date:   Mon, 7 Oct 2019 17:50:17 +0000
Message-ID: <MWHPR2201MB12771C8079057E34A26D334BC19B0@MWHPR2201MB1277.namprd22.prod.outlook.com>
References: <20191006131232.12700-1-tbogendoerfer@suse.de>
In-Reply-To: <20191006131232.12700-1-tbogendoerfer@suse.de>
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Hello,

Thomas Bogendoerfer wrote:
> Commit ac7c3e4ff401 ("compiler: enable CONFIG_OPTIMIZE_INLINING
> forcibly") allows compiler to uninline functions marked as 'inline'.
> In cace of cmpxchg this would cause to reference function
> __cmpxchg_called_with_bad_pointer, which is a error case
> for catching bugs and will not happen for correct code, if
> __cmpxchg is inlined.

Applied to mips-fixes.

> commit 88356d09904b
> https://git.kernel.org/mips/c/88356d09904b
>=20
> Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
> [paul.burton@mips.com: s/__cmpxchd/__cmpxchg in subject]
> Signed-off-by: Paul Burton <paul.burton@mips.com>

Thanks,
    Paul

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