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* [patch 0/3] Fix alignment of custom sections made from structures (v3)
@ 2011-01-21 20:36 Mathieu Desnoyers
  2011-01-21 20:36 ` [patch 1/3] introduce __u64_aligned and U64_ALIGN() for structure alignment in custom sections (v3) Mathieu Desnoyers
                   ` (2 more replies)
  0 siblings, 3 replies; 15+ messages in thread
From: Mathieu Desnoyers @ 2011-01-21 20:36 UTC (permalink / raw)
  To: LKML, David Miller, Steven Rostedt, Frederic Weisbecker,
	Ingo Molnar, Richard Mortimer, ben, sparclinux

Hello,

Here is a patchset that fixes the Ftrace-induced crash experienced on sparc64
discussed in the following thread: https://lkml.org/lkml/2011/1/16/2

The third patch changes the Tracepoints to use the more compact alignment scheme
proposed here, even though their alignment on 32-byte works fine. This third
patch is therefore not a fix per se.

The patchset is based on 2.6.37. Hopefully there are not too many things to
update for the current -git.

Changelog since v2: drop the "packed" attribute, because it caused unaligned 
acceses on sparc64 by dropping the padding between consecutive "int" and 
"pointer"/"long" fields.

Comments are welcome,

Mathieu

-- 
Mathieu Desnoyers
Operating System Efficiency R&D Consultant
EfficiOS Inc.
http://www.efficios.com

^ permalink raw reply	[flat|nested] 15+ messages in thread

end of thread, other threads:[~2011-01-26  7:14 UTC | newest]

Thread overview: 15+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2011-01-21 20:36 [patch 0/3] Fix alignment of custom sections made from structures (v3) Mathieu Desnoyers
2011-01-21 20:36 ` [patch 1/3] introduce __u64_aligned and U64_ALIGN() for structure alignment in custom sections (v3) Mathieu Desnoyers
2011-01-22  0:05   ` David Miller
2011-01-22 17:11     ` Mathieu Desnoyers
2011-01-22 17:43       ` Steven Rostedt
2011-01-25 23:34         ` Mathieu Desnoyers
2011-01-26  0:25           ` Steven Rostedt
2011-01-26  7:12   ` [tip:perf/core] Introduce __u64_aligned and U64_ALIGN() for structure alignment in custom sections tip-bot for Mathieu Desnoyers
2011-01-21 20:36 ` [patch 2/3] tracing: fix sparc64 alignment crash with __u64_aligned/U64_ALIGN() Mathieu Desnoyers
2011-01-22  0:05   ` David Miller
2011-01-22 17:15     ` Mathieu Desnoyers
2011-01-26  7:13   ` [tip:perf/core] tracing: Fix " tip-bot for Mathieu Desnoyers
2011-01-21 20:36 ` [patch 3/3] tracepoints: use __u64_aligned/U64_ALIGN() Mathieu Desnoyers
2011-01-22  0:05   ` David Miller
2011-01-26  7:13   ` [tip:perf/core] tracepoints: Use __u64_aligned/U64_ALIGN() tip-bot for Mathieu Desnoyers

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