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Re: Correct robust mutex / PI futex kernel assumptions (bug 9894)
- From: David Miller <davem at davemloft dot net>
- To: joseph at codesourcery dot com
- Cc: libc-alpha at sourceware dot org, schwab at linux-m68k dot org, david dot holsgrove at xilinx dot com, aurel32 at debian dot org
- Date: Tue, 25 Mar 2014 20:21:21 -0400 (EDT)
- Subject: Re: Correct robust mutex / PI futex kernel assumptions (bug 9894)
- Authentication-results: sourceware.org; auth=none
- References: <Pine dot LNX dot 4 dot 64 dot 1403252318590 dot 10779 at digraph dot polyomino dot org dot uk> <20140325 dot 192428 dot 254241380718352578 dot davem at davemloft dot net> <Pine dot LNX dot 4 dot 64 dot 1403252334530 dot 10779 at digraph dot polyomino dot org dot uk>
From: "Joseph S. Myers" <joseph@codesourcery.com>
Date: Tue, 25 Mar 2014 23:36:36 +0000
> On Tue, 25 Mar 2014, David Miller wrote:
>
>> From: "Joseph S. Myers" <joseph@codesourcery.com>
>> Date: Tue, 25 Mar 2014 23:20:00 +0000
>>
>> > On Tue, 25 Mar 2014, David Miller wrote:
>> >
>> >> Actually, it turns out you can simply test for the CPP macro __sparc_v9__
>> >
>> > In that case, here is a revised patch using __sparc_v9__ in place of
>> > __arch64__.
>>
>> It only get's set for 32-bit v9, you'll need to keep the
>> (__sparc__ && __arch64__) in an "||" conditional branch.
>>
>> Something like (__sparc__ && (__arch64__ || __sparc_v9__))
>
> Here's a third patch version.
Looks good to me.