[S390] kernel: Fix dump on panic for DASDs under LPAR.
authorMichael Holzheu <holzheu@de.ibm.com>
Mon, 22 Oct 2007 10:52:43 +0000 (12:52 +0200)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Mon, 22 Oct 2007 10:52:48 +0000 (12:52 +0200)
commite3d3683d1402c1737687cb698451d545f57c32a7
treefb1b461928663dbced17738beef0ecf874668d57
parent7f021ce1957504cacc78896de857b90293badabc
[S390] kernel: Fix dump on panic for DASDs under LPAR.

Currently the ccw method is used to ipl the DASD dump record under LPAR.
This mechanism is not reliable, which can cause dump failures. This fix
now uses the diag 308 ipl method for all machines, which have diag308
subcode 5 and 4 support.

Signed-off-by: Michael Holzheu <holzheu@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/kernel/ipl.c