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f9cbd9b025
linux/arch/s390
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David Hildenbrand f9cbd9b025 KVM: s390: provide CMMA attributes only if available 
Let's not provide the device attribute for cmma enabling and clearing
if the hardware doesn't support it.

This also helps getting rid of the undocumented return value "-EINVAL"
in case CMMA is not available when trying to enable it.

Also properly document the meaning of -EINVAL for CMMA clearing.

Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
2016-06-10 12:07:20 +02:00
..
appldata s390: appldata: drop owner assignment from platform_drivers 2014-10-20 16:20:13 +02:00
boot kbuild: delete unnecessary "@:" 2016-04-20 10:36:57 +02:00
configs s390/config: update default configuration 2016-05-23 09:11:37 +02:00
crypto s390/crypto: cleanup and move the header with the cpacf definitions 2016-04-15 18:16:40 +02:00
hypfs s390: Make diag224 public 2016-06-10 12:07:10 +02:00
include s390/sclp: detect cmma 2016-06-10 12:07:19 +02:00
kernel s390: Make diag224 public 2016-06-10 12:07:10 +02:00
kvm KVM: s390: provide CMMA attributes only if available 2016-06-10 12:07:20 +02:00
lib s390/spinlock: avoid yield to non existent cpu 2016-04-15 18:01:48 +02:00
mm s390: fix info leak in do_sigsegv 2016-05-23 16:45:25 +02:00
net s390/bpf: fix recache skb->data/hlen for skb_vlan_push/pop 2016-05-19 09:14:27 +02:00
numa s390/numa: move numa_init_late() from device to arch_initcall 2016-01-26 12:45:24 +01:00
oprofile s390/oprofile: add z13/z13s model numbers 2016-02-24 12:18:10 +01:00
pci Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux 2016-05-18 12:17:16 -07:00
tools s390/facilities: add helper tool to generate facility lists 2015-12-18 14:59:20 +01:00
defconfig s390/config: update default configuration 2016-05-23 09:11:37 +02:00
Kbuild s390/numa: add core infrastructure 2015-08-03 18:40:25 +02:00
Kconfig lib/GCD.c: use binary GCD algorithm instead of Euclidean 2016-05-20 17:58:30 -07:00
Kconfig.debug arch: consolidate CONFIG_STRICT_DEVM in lib/Kconfig.debug 2016-01-09 06:30:49 -08:00
Makefile s390/facilities: add helper tool to generate facility lists 2015-12-18 14:59:20 +01:00