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Re: [PATCH] New condvar implementation that provides stronger ordering guarantees.

From: Florian Weimer <fweimer at redhat dot com>
To: Torvald Riegel <triegel at redhat dot com>
Cc: Szabolcs Nagy <szabolcs dot nagy at arm dot com>, nd at arm dot com, GLIBC Devel <libc-alpha at sourceware dot org>, "Carlos O'Donell" <carlos at redhat dot com>, David Miller <davem at davemloft dot net>, Darren Hart <dvhart at infradead dot org>
Date: Mon, 30 May 2016 16:13:43 +0200
Subject: Re: [PATCH] New condvar implementation that provides stronger ordering guarantees.
Authentication-results: sourceware.org; auth=none
References: <1464268895 dot 17104 dot 14 dot camel at localhost dot localdomain> <ff6705fc-da70-9daa-d1fd-fb89192e7121 at redhat dot com> <57482C29 dot 2010403 at arm dot com> <5b18e01d-60f8-3aff-aadc-e3d285aafa05 at redhat dot com> <1464617162 dot 17104 dot 231 dot camel at localhost dot localdomain>

On 05/30/2016 04:06 PM, Torvald Riegel wrote:

On Mon, 2016-05-30 at 15:51 +0200, Florian Weimer wrote:

On 05/27/2016 01:14 PM, Szabolcs Nagy wrote:

On 27/05/16 10:57, Florian Weimer wrote:

The removal of the pointer member may have alignment impact elsewhere, too.


This might still be a problem.


Do we have targets other than m68k in which the alignment of a long long
int is less than the alignment of a pointer?

I don't know. When I changed the definition of struct sockaddr_storagerecently, I added the old definition as part of a test case, so I couldcheck for size and alignment changes, so ABI regressions would bevisible as a test failure at least.


Florian

References:
- [PATCH] New condvar implementation that provides stronger ordering guarantees.
  - From: Torvald Riegel
- Re: [PATCH] New condvar implementation that provides stronger ordering guarantees.
  - From: Florian Weimer
- Re: [PATCH] New condvar implementation that provides stronger ordering guarantees.
  - From: Szabolcs Nagy
- Re: [PATCH] New condvar implementation that provides stronger ordering guarantees.
  - From: Florian Weimer
- Re: [PATCH] New condvar implementation that provides stronger ordering guarantees.
  - From: Torvald Riegel

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