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Message-Id: <200804082111.35944.zippel@linux-m68k.org> Date: Tue, 8 Apr 2008 21:11:33 +0200 From: Roman Zippel <zippel@...ux-m68k.org> To: Johannes Berg <johannes@...solutions.net> Cc: Andrew Morton <akpm@...l.org>, Linux Kernel list <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>, sam <sam@...nborg.org> Subject: Re: [PATCH] introduce HAVE_EFFICIENT_UNALIGNED_ACCESS Kconfig symbol Hi, On Tuesday 8. April 2008, Johannes Berg wrote: > In many cases, especially in networking, it can be beneficial to > know at compile time whether the architecture can do unaligned > accesses efficiently. This patch introduces a new Kconfig symbol > HAVE_EFFICIENT_UNALIGNED_ACCESS > for that purpose and adds it to the powerpc and x86 architectures. > Also add some documentation about alignment and networking, and > especially one intended use of this symbol. Please CC linux-arch@...r.kernel.org for such changes, so it's more likely noticed by more arch maintainers, so a list can be compiled what is appropriate for the various archs. The scope of this symbol is IMO a little unclear, is it intended for one-time accesses to small object or also for repeated accesses to larger objects? Anyway, this probably should be set for m68k as well. bye, Roman -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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