From: Jeff Law <law@redhat.com>
To: Roland McGrath <roland@hack.frob.com>
Cc: Maxim Kuvyrkov <maxim@codesourcery.com>,
Andrew Haley <aph@redhat.com>,
David Miller <davem@davemloft.net>,
"Joseph S. Myers" <joseph@codesourcery.com>,
Richard Sandiford <rdsandiford@googlemail.com>,
libc-ports@sourceware.org,
GLIBC Devel <libc-alpha@sourceware.org>,
Chris Metcalf <cmetcalf@tilera.com>
Subject: Re: [PATCH] Unify pthread_spin_[try]lock implementations.
Date: Wed, 15 Aug 2012 17:24:00 -0000 [thread overview]
Message-ID: <502BDB42.4060905@redhat.com> (raw)
In-Reply-To: <20120815171042.D94E52C0D2@topped-with-meat.com>
On 08/15/2012 11:10 AM, Roland McGrath wrote:
>> It seems to me that SPIN_LOCK_READS_BETWEEN_CMPXCHG may have the
>> property that varying it at runtime based on the characteristics of the
>> particular chip running the application might be worthwhile.
>
> Nothing prevents a machine from defining the macro to use a global variable
> that is set by some machine-specific initialization code.
Understood. Just wanted to raise the issue. No pressing need to
resolve it now, but it's on Red Hat's radar and now it's on the
community's radar :-)
jeff
next prev parent reply other threads:[~2012-08-15 17:24 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-14 4:36 [PATCH 2/3, MIPS] Rewrite MIPS' pthread_spin_[try]lock using __atomic_* builtins Maxim Kuvyrkov
2012-06-28 23:10 ` Joseph S. Myers
2012-07-11 5:58 ` [PATCH] Unify pthread_spin_[try]lock implementations Maxim Kuvyrkov
2012-07-11 8:15 ` Roland McGrath
2012-07-11 8:25 ` David Miller
2012-07-11 8:44 ` Andrew Haley
2012-07-11 8:54 ` Maxim Kuvyrkov
2012-07-11 9:02 ` Andrew Haley
2012-07-11 9:05 ` Maxim Kuvyrkov
2012-07-11 11:22 ` Roland McGrath
2012-07-11 14:52 ` Chris Metcalf
2012-07-11 22:16 ` Maxim Kuvyrkov
2012-07-25 18:13 ` Roland McGrath
2012-07-25 19:04 ` Chris Metcalf
2012-07-25 20:22 ` Roland McGrath
2012-07-25 20:29 ` Chris Metcalf
2012-07-25 20:43 ` Roland McGrath
2012-08-15 3:17 ` Maxim Kuvyrkov
2012-08-15 16:27 ` Roland McGrath
2012-08-15 16:39 ` Maxim Kuvyrkov
2012-08-15 16:44 ` Roland McGrath
2012-08-15 16:53 ` Maxim Kuvyrkov
2012-08-15 16:56 ` Roland McGrath
2012-08-15 17:05 ` Maxim Kuvyrkov
2012-08-15 17:05 ` Jeff Law
2012-08-15 17:11 ` Roland McGrath
2012-08-15 17:24 ` Jeff Law [this message]
2012-08-15 16:40 ` Joseph S. Myers
2012-08-15 16:43 ` Carlos O'Donell
2012-08-15 22:00 ` Andreas Schwab
2012-08-16 10:21 ` Torvald Riegel
2012-08-16 12:40 ` Chris Metcalf
2012-08-22 23:16 ` Maxim Kuvyrkov
2012-07-11 8:26 ` Maxim Kuvyrkov
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