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(parent: a2ac1bb) | patch
s390/sclp: simplify early hsa_size detection
authorVasily Gorbik <gor@linux.ibm.com>
Mon, 9 Apr 2018 08:40:39 +0000 (10:40 +0200)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Tue, 9 Oct 2018 09:21:04 +0000 (11:21 +0200)
commit3b076dca14c50f61c89a3dc51b3150656272b0f8
tree2209ba68a3fb78dd3988afdd6359d4d3480758d8tree | snapshot
parenta2ac1bb1f3ddbad8388b0ba4edf28ff501009ceacommit | diff
s390/sclp: simplify early hsa_size detection

Architecture documentation suggests that hsa_size has been available in
the read info since the list-directed ipl dump has been introduced. By
using this value few early sclp calls could be avoided.

Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Reviewed-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
drivers/s390/char/sclp_early.c diff | blob | history
Domain: System / Kernel;