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(parent: 59721db) | patch
powerpc/pseries/hvconsole: Fix dropped console output
authorAnton Blanchard <anton@samba.org>
Tue, 5 Jul 2011 21:51:36 +0000 (21:51 +0000)
committerPaul Gortmaker <paul.gortmaker@windriver.com>
Thu, 17 May 2012 15:21:22 +0000 (11:21 -0400)
commit6dde6e7d348ebdd0a42cf3ef6f2226eb1ac34aa8
tree7d998e77784032846ca89b46ac29bcf637a2f547tree | snapshot
parent59721dbbb0e2160ca536036c0047c534e2692213commit | 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: Paul Gortmaker <paul.gortmaker@windriver.com>
arch/powerpc/platforms/pseries/hvconsole.c diff | blob | history
Linux kernel for KaRo TX COM modules