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Open Source and information security mailing list archives
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Date: Fri, 1 May 2009 22:36:39 +0200 From: Ingo Molnar <mingo@...e.hu> To: Linus Torvalds <torvalds@...ux-foundation.org> Cc: Frederic Weisbecker <fweisbec@...il.com>, LKML <linux-kernel@...r.kernel.org>, Jeff Mahoney <jeffm@...e.com>, ReiserFS Development List <reiserfs-devel@...r.kernel.org>, Chris Mason <chris.mason@...cle.com>, Alexander Beregalov <a.beregalov@...il.com>, Alessio Igor Bogani <abogani@...ware.it>, Jonathan Corbet <corbet@....net>, Alexander Viro <viro@...iv.linux.org.uk> Subject: Re: [PATCH 0/6] kill-the-BKL/reiserfs3: performance improvements, faster than Bkl based scheme * Ingo Molnar <mingo@...e.hu> wrote: > The BKL is clearly removed at a faster reate with such debugging > measures in place. With such measures the BKL _really_ hurts, and > very visibly so - and that results in active removal. Btw., if you can think of any way to create a cleaner debug tool here i'd be glad to start a new tree that adds only _that_ tool - and that could perhaps be dealt with independently and possibly pulled upstream too, if clean enough. The problem is, i think it would still quack like a global mutex, would walk like a global mutex and would look like a global mutex :-/ Ingo -- 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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