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authorHeiko Carstens <heiko.carstens@de.ibm.com>2014-01-01 15:55:48 (GMT)
committerChristian Borntraeger <borntraeger@de.ibm.com>2014-04-22 11:24:44 (GMT)
commit4799b557c9aa3a7b540121f2bece719f22229a21 (patch)
tree4943ddcf8d63c84b60999bcaa8dd916f388eff4f /arch/s390/kernel
parentef23e7790e148041d159c1f710bee2b7b2f0d8cd (diff)
downloadlinux-4799b557c9aa3a7b540121f2bece719f22229a21.tar.xz
KVM: s390: convert handle_tpi()
Convert handle_tpi() to new guest access functions. The code now sets up a structure which is copied with a single call to guest space instead of issuing several separate guest access calls. This is necessary since the to be copied data may cross a page boundary. If a protection exception happens while accessing any of the pages, the instruction is suppressed and may not have modified any memory contents. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
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