| commit | 58b7c17e226aa4d3b943ea22c1d1309126de146b | |
| author | Dr. David Alan Gilbert <dgilbert@redhat.com> | |
| Thu, 5 Nov 2015 18:11:22 +0000 (5 18:11 +0000) | ||
| committer | Juan Quintela <quintela@redhat.com> | |
| Tue, 10 Nov 2015 14:00:28 +0000 (10 15:00 +0100) | ||
| tree | 92d3ed7a85849b125370020ee2af9ace3ff7573d | treesnapshot (tar.gz zip) |
| parent | e9bef235d91bff87517770c93d74eb98e5a33278 | commitdiff |
Disable mlock around incoming postcopy
Userfault doesn't work with mlock; mlock is designed to nail down pages
so they don't move, userfault is designed to tell you when they're not
there.
munlock the pages we userfault protect before postcopy.
mlock everything again at the end if mlock is enabled.
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Amit Shah <amit.shah@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Userfault doesn't work with mlock; mlock is designed to nail down pages
so they don't move, userfault is designed to tell you when they're not
there.
munlock the pages we userfault protect before postcopy.
mlock everything again at the end if mlock is enabled.
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Amit Shah <amit.shah@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
| include/sysemu/sysemu.h | diffblobblamehistory | |
| migration/postcopy-ram.c | diffblobblamehistory |