From: Arnd Bergmann <arnd@arndb.de>
To: "Dmitry V. Levin" <ldv@altlinux.org>
Cc: linux-mips@linux-mips.org, linux-ia64@vger.kernel.org,
linux-xtensa@linux-xtensa.org,
Heiko Carstens <heiko.carstens@de.ibm.com>,
David Howells <dhowells@redhat.com>,
Max Filippov <jcmvbkbc@gmail.com>,
Paul Mackerras <paulus@samba.org>,
"H. Peter Anvin" <hpa@zytor.com>,
sparclinux@vger.kernel.org,
Hans-Christian Egtvedt <egtvedt@samfundet.no>,
linux-arch <linux-arch@vger.kernel.org>,
linux-s390@vger.kernel.org, linux-am33-list@redhat.com,
x86@kernel.org, Ingo Molnar <mingo@redhat.com>,
Haavard Skinnemoen <hskinnemoen@gmail.com>,
Fenghua Yu <fenghua.yu@intel.com>,
Thomas Gleixner <tglx@linutronix.de>,
Chris Zankel <chris@zankel.net>, Tony Luck <tony.luck@intel.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Ralf Baechle <ralf@linux-mips.org>,
linux-alpha@vger.kernel.org,
Martin Schwidefsky <schwidefsky@de.ibm.com>,
linuxppc-dev@lists.ozlabs.org,
"David S. Miller" <davem@davemloft.net>
Subject: Re: [PATCH] uapi: fix another asm/shmbuf.h userspace compilation error
Date: Thu, 2 Mar 2017 14:07:20 +0100 [thread overview]
Message-ID: <CAK8P3a1=-Q=gVRyk+PwqxTeTPXa4yrmqWKG7SyZng2d7bcbG=g@mail.gmail.com> (raw)
Message-ID: <20170302130720.SBZpkOKWrYgyYcK4UiaUJOeF414bvFDHDD9QSvXTd_4@z> (raw)
In-Reply-To: <20170302004607.GE27132@altlinux.org>
On Thu, Mar 2, 2017 at 1:46 AM, Dmitry V. Levin <ldv@altlinux.org> wrote:
> Replace size_t with __kernel_size_t to fix asm/shmbuf.h userspace
> compilation errors like this:
>
> /usr/include/asm-generic/shmbuf.h:28:2: error: unknown type name 'size_t'
> size_t shm_segsz; /* size of segment (bytes) */
>
> x32 is the only architecture where sizeof(size_t) is less than
> sizeof(__kernel_size_t), but as the kernel treats shm_segsz field as
> __kernel_size_t anyway, UAPI should follow. Thanks to little-endiannes
> of x32 and 64-bit alignment of the field following shm_segsz, this
> change doesn't break ABI, and the difference doesn't manifest itself
> easily.
>
> Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
next prev parent reply other threads:[~2017-03-02 13:14 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-02 0:46 [PATCH] uapi: fix another asm/shmbuf.h userspace compilation error Dmitry V. Levin
2017-03-02 0:46 ` Dmitry V. Levin
2017-03-02 13:07 ` Arnd Bergmann [this message]
2017-03-02 13:07 ` Arnd Bergmann
2017-03-26 3:27 ` [PATCH 0/5] uapi: fix userspace compilation of asm/ ipc headers Dmitry V. Levin
2017-03-26 3:30 ` [PATCH 1/5] uapi: fix asm/ipcbuf.h userspace compilation errors Dmitry V. Levin
2017-03-26 3:30 ` [PATCH 2/5] uapi: fix asm/msgbuf.h " Dmitry V. Levin
2017-03-26 3:30 ` Dmitry V. Levin
2017-03-26 3:30 ` [PATCH 3/5] uapi: fix asm/sembuf.h " Dmitry V. Levin
2017-03-26 3:30 ` Dmitry V. Levin
2017-03-26 3:30 ` [PATCH 4/5] uapi: fix asm/shmbuf.h " Dmitry V. Levin
2017-03-26 3:30 ` Dmitry V. Levin
2017-03-26 3:30 ` [PATCH 5/5] uapi: fix another asm/shmbuf.h userspace compilation error Dmitry V. Levin
2017-03-26 3:30 ` Dmitry V. Levin
2017-08-04 15:22 ` [PATCH] " James Hogan
2017-08-04 15:22 ` James Hogan
-- strict thread matches above, loose matches on Subject: below --
2017-02-26 18:29 [PATCH] uapi: fix asm/ipcbuf.h userspace compilation errors Dmitry V. Levin
2017-02-26 18:29 ` Dmitry V. Levin
2017-03-01 16:23 ` Arnd Bergmann
2017-03-02 0:22 ` [PATCH 1/3] uapi: fix asm/msgbuf.h " Dmitry V. Levin
2017-03-02 0:22 ` Dmitry V. Levin
2017-03-02 0:22 ` [PATCH 2/3] uapi: fix asm/sembuf.h " Dmitry V. Levin
2017-03-02 0:22 ` Dmitry V. Levin
2017-03-02 0:22 ` [PATCH 3/3] uapi: fix asm/shmbuf.h " Dmitry V. Levin
2017-03-02 0:22 ` Dmitry V. Levin
2017-03-02 13:14 ` Arnd Bergmann
2017-03-02 13:14 ` Arnd Bergmann
2021-12-27 10:53 ` [PATCH v2] " Dmitry V. Levin
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