From: James Hogan <james.hogan@imgtec•com>
To: Arnd Bergmann <arnd@arndb•de>
Cc: "Dmitry V. Levin" <ldv@altlinux•org>, <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: Fri, 4 Aug 2017 16:22:04 +0100 [thread overview]
Message-ID: <20170804152203.GA31455@jhogan-linux.le.imgtec.org> (raw)
In-Reply-To: <CAK8P3a1=-Q=gVRyk+PwqxTeTPXa4yrmqWKG7SyZng2d7bcbG=g@mail.gmail.com>
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On Thu, Mar 02, 2017 at 02:07:20PM +0100, Arnd Bergmann wrote:
> 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>
Out of interest, is there a plan for merging these patches from Dmitry?
Cheers
James
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prev parent reply other threads:[~2017-08-04 15:22 UTC|newest]
Thread overview: 3+ 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 13:07 ` Arnd Bergmann
2017-08-04 15:22 ` James Hogan [this message]
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