git: DragonFly_RELEASE_5_2 kernel - MFC pmap panic fix from master

Matthew Dillon dillon at crater.dragonflybsd.org
Mon Oct 29 16:28:31 PDT 2018


commit fd8dd750559eb60ff12f97e27372492536ffb47f
Author: Matthew Dillon <dillon at apollo.backplane.com>
Date:   Mon Oct 29 16:27:17 2018 -0700

    kernel - MFC pmap panic fix from master
    
    * MFC the pd_pv test for certain race case retries in the pmap
      code.  pv_put() was being called unconditionally on a pd_pv
      pointer that could be NULL.
    
    Reported-by: gjs278

Summary of changes:
 sys/platform/pc64/x86_64/pmap.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/fd8dd750559eb60ff12f97e27372492536ffb47f


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