| commit | e989b548a6dd474e7809e205bab50d123198cf57 | |
| author | Matthew Dillon <dillon@apollo.backplane.com> | |
| Mon, 30 Jan 2017 17:45:58 +0000 (30 09:45 -0800) | ||
| committer | Matthew Dillon <dillon@apollo.backplane.com> | |
| Mon, 30 Jan 2017 17:50:19 +0000 (30 09:50 -0800) | ||
| tree | 9905d583019cb37d095ae569fa1b9d553ab721be | treesnapshot (tar.gz zip) |
| parent | 864231c19af309bbba217b50313058ab63eb1531 | commitdiff |
kernel - Fix races created by a comedy of circumstansces (3)
* Change pv semantics such that pv->pv_m must always exist while a pv is
installed in the pmap's RBTREE.
* Change pv_put() to assert that pv->pv_m exists. Use an unlock/drop
sequence for those cases where it might not exist.
* Fix an incorrect assertion.
* Move a pv_put() outside of the pmap spinlock that was incorrectly inside.
* Reorder how PG_MANGED_IDX / PG_UNMANAGED tests work.
* Change pv semantics such that pv->pv_m must always exist while a pv is
installed in the pmap's RBTREE.
* Change pv_put() to assert that pv->pv_m exists. Use an unlock/drop
sequence for those cases where it might not exist.
* Fix an incorrect assertion.
* Move a pv_put() outside of the pmap spinlock that was incorrectly inside.
* Reorder how PG_MANGED_IDX / PG_UNMANAGED tests work.
| sys/platform/pc64/include/pmap.h | diffblobblamehistory | |
| sys/platform/pc64/x86_64/pmap.c | diffblobblamehistory |