From 0894b3ae776a60c6bad994e1d8f809ceb59904da Mon Sep 17 00:00:00 2001
From: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Date: Mon, 21 Jan 2013 18:35:15 +0100
Subject: [PATCH] s390/ipl: Implement diag308 loop for zfcpdump

When a zfcpdump is triggered and a second dump on the same CEC is
already in progress for another LPAR, diagnose 308 returns with
an error code until the first dump is finished. Currently the
second Linux stops with a disabled wait PSW in that case.

This is improved now by by triggering diag 308 in a loop until
it works.

Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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