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Re: Lock elision problems in glibc-2.18
- From: Andi Kleen <andi at firstfloor dot org>
- To: Torvald Riegel <triegel at redhat dot com>
- Cc: vogt at linux dot vnet dot ibm dot com, libc-alpha at sourceware dot org
- Date: Fri, 13 Sep 2013 23:23:05 -0700
- Subject: Re: Lock elision problems in glibc-2.18
- Authentication-results: sourceware.org; auth=none
- References: <20130823084916 dot GA5506 at linux dot vnet dot ibm dot com> <1378901002 dot 3196 dot 14075 dot camel at triegel dot csb> <1379001387 dot 32370 dot 1509 dot camel at triegel dot csb>
Torvald Riegel <triegel@redhat.com> writes:
> We need to do this, and if the app
> misinterprets and *always* keeps retrying, it will hang.
The app is broken then. Retrying forever is simply not allowed.
I don't think it makes sense to complicate glibc for this.
-Andi
--
ak@linux.intel.com -- Speaking for myself only