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authorDavid Hildenbrand <dahi@linux.vnet.ibm.com>2015-11-26 16:11:19 +0300
committerChristian Borntraeger <borntraeger@de.ibm.com>2016-06-21 10:43:36 +0300
commit66b630d5b7f2d3afb5e8eddad3e8326091375f1a (patch)
tree2528899473291c5673bcb75baa7590b17fe3d0ac /arch/xtensa/platforms
parent4ceafa9027b0c2671ab731c7d95896a5b3c2dc0b (diff)
downloadlinux-66b630d5b7f2d3afb5e8eddad3e8326091375f1a.tar.xz
KVM: s390: vsie: support STFLE interpretation
Issuing STFLE is extremely rare. Instead of copying 2k on every VSIE call, let's do this lazily, when a guest 3 tries to execute STFLE. We can setup the block and retry. Unfortunately, we can't directly forward that facility list, as we only have a 31 bit address for the facility list designation. So let's use a DMA allocation for our vsie_page instead for now. Acked-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>
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