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[Xen-devel] tip.git regression from "vsprintf: unify the format decoding

To: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Subject: [Xen-devel] tip.git regression from "vsprintf: unify the format decoding layer for its 3 users"
From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Date: Sat, 14 Mar 2009 00:04:40 -0700
Cc: Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxx>, the arch/x86 maintainers <x86@xxxxxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>
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Change fef20d9c1380f04ba9492d6463148db07b413708, "vsprintf: unify the format decoding layer for its 3 users", causes a regression in xenbus which results in no devices getting attached to a new domain. Reverting fef20d9c1380f04ba9492d6463148db07b413708 and 39e874f8afbdb3745e2406ce4ecbde9ac4cbaa78 fixes the problem.

I haven't identified what format string is being handled wrongly, so I don't know what the precise bug is. The most complex looking format in use seems to be %.*s; there's also "%s/%s", "%i" and "%lX".


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