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author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2014-01-01 15:55:48 (GMT) |
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committer | Christian Borntraeger <borntraeger@de.ibm.com> | 2014-04-22 11:24:44 (GMT) |
commit | 4799b557c9aa3a7b540121f2bece719f22229a21 (patch) | |
tree | 4943ddcf8d63c84b60999bcaa8dd916f388eff4f /arch/s390/kernel | |
parent | ef23e7790e148041d159c1f710bee2b7b2f0d8cd (diff) | |
download | linux-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>
Diffstat (limited to 'arch/s390/kernel')
0 files changed, 0 insertions, 0 deletions