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Re: [Acl-devel] [PATCH] add 64-bit Arm xattr syscall numbers

From: Riku Voipio
Subject: Re: [Acl-devel] [PATCH] add 64-bit Arm xattr syscall numbers
Date: Mon, 7 Jan 2013 16:20:34 +0200

On 13 December 2012 11:35, Riku Voipio <address@hidden> wrote:
> On 12 December 2012 22:47, Mike Frysinger <address@hidden> wrote:
>> On Wednesday 12 December 2012 10:32:03 Riku Voipio wrote:
>> > Applying this patch makes attr "make tests" pass on ext4 with Linux 3.7
>> > on the 64-Bit arm simulator.
>> >
>> > Also, when making the next attr and acl release tarballs, make sure you
>> > run
>> > autoreconf autotools-dev 20120210.1 or later, to get aarch64 strings in
>> > config.sub and config.guess
>> seems to me that this code is fundamentally taking the wrong approach.  it
>> should just use SYS_xxx that sys/syscall.h already provides.

> I guess the original approach originates from time when kernel headers were
> more often broken than not for userspace. I've attached a new patch that
> includes sys/syscall.h and removes the local defines. It passes the
> testsuite on x86, x86_64, arm eabi and 64bit arm.

Actually the hardcoding of xattr syscalls was probably done because
not everyone had new enough kernel headers with xattr syscall numbers
defined. This is ofcourse long since gone problem - even the oldest
still supported distributions like RHEL4 have these system calls
provided by kernel headers.

Who can commit these changes to attr ?


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