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(parent: 38e6bb7) | patch
powerpc/pseries/hvconsole: Fix dropped console output
authorAnton Blanchard <anton@samba.org>
Tue, 5 Jul 2011 21:51:36 +0000 (21:51 +0000)
committerGreg Kroah-Hartman <gregkh@suse.de>
Mon, 8 Aug 2011 17:23:14 +0000 (10:23 -0700)
commitcb815937772cb08551fb9afa62a51b987eafcb27
tree46086bbe228346504366b5915f10564fdd36ce54tree | snapshot
parent38e6bb765aaa79257f99b7a9b8ba6d3d034d73c5commit | diff
powerpc/pseries/hvconsole: Fix dropped console output

commit 51d33021425e1f905beb4208823146f2fb6517da upstream.

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>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
arch/powerpc/platforms/pseries/hvconsole.c diff | blob | history
Linux kernel for KaRo TX COM modules