From: Anton Blanchard <anton@samba.org>
Date: Tue, 5 Jul 2011 21:51:36 +0000 (+0000)
Subject: powerpc/pseries/hvconsole: Fix dropped console output
X-Git-Tag: v3.1-rc1~236^2~15
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=51d33021425e1f905beb4208823146f2fb6517da;p=pandora-kernel.git

powerpc/pseries/hvconsole: Fix dropped console output

Return -EAGAIN when we get H_BUSY back from the hypervisor. This
makes the hvc console driver retry, avoiding dropped printks.

Signed-off-by: Anton Blanchard <anton@samba.org>
Cc: <stable@kernel.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---

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