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From:   Paul Burton <paul.burton@mips.com>
To:     Arnd Bergmann <arnd@arndb.de>
CC:     Andrew Morton <akpm@linux-foundation.org>,
        Arnd Bergmann <arnd@arndb.de>,
        Guenter Roeck <linux@roeck-us.net>,
        Andrey Konovalov <andreyknvl@google.com>,
        Andrey Ryabinin <aryabinin@virtuozzo.com>,
        Dmitry Vyukov <dvyukov@google.com>,
        Will Deacon <will.deacon@arm.com>,
        Christoph Lameter <cl@linux.com>,
        Mark Rutland <mark.rutland@arm.com>,
        Ralf Baechle <ralf@linux-mips.org>,
        Paul Burton <pburton@wavecomp.com>,
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        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "linux-mips@vger.kernel.org" <linux-mips@vger.kernel.org>
Subject: Re: [PATCH] mips: fix vdso32 build, again
Thread-Topic: [PATCH] mips: fix vdso32 build, again
Thread-Index: AQHVTKr84D2YQOWUbke1AwqGjUbDnQ==
Date:   Tue, 6 Aug 2019 23:02:14 +0000
Message-ID: <MWHPR2201MB1277159F069EC421016593A9C1D50@MWHPR2201MB1277.namprd22.prod.outlook.com>
References: <20190806112509.3244608-1-arnd@arndb.de>
In-Reply-To: <20190806112509.3244608-1-arnd@arndb.de>
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Hello,

Arnd Bergmann wrote:
> The generic vdso support adds the same #if hack in two places,
> asm/vdso/vdso.h and config-n32-o32-env.c, but only the second
> is actually used. The result lacks the BUILD_VDSO32_64 macro,
> and that triggers a build error:
>=20
> ./include/linux/page-flags-layout.h:95:2: error: #error "Not enough bits =
in page flags"
>=20
> Move the macro into the other place, and remove the duplicated
> bits.

Applied to mips-next.

> commit 6393e6064486
> https://git.kernel.org/mips/c/6393e6064486
>=20
> Reported-by: Guenter Roeck <linux@roeck-us.net>
> Fixes: ee38d94a0ad8 ("page flags: prioritize kasan bits over last-cpuid")
> Fixes: 24640f233b46 ("mips: Add support for generic vDSO")
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> Signed-off-by: Paul Burton <paul.burton@mips.com>

Thanks,
    Paul

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