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| author | Nathan Lynch <nathanl@linux.ibm.com> | 2019-06-11 23:45:05 -0500 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2019-06-15 16:52:07 +1000 |
| commit | e59a175faa8df9d674247946f2a5a9c29c835725 (patch) | |
| tree | c8823e071f0321cf58c616f2235b8926111a219b /mm/vmpressure.c | |
| parent | d4aa219a074a5abaf95a756b9f0d190b5c03a945 (diff) | |
powerpc/pseries/mobility: prevent cpu hotplug during DT update
CPU online/offline code paths are sensitive to parts of the device
tree (various cpu node properties, cache nodes) that can be changed as
a result of a migration.
Prevent CPU hotplug while the device tree potentially is inconsistent.
Fixes: 410bccf97881 ("powerpc/pseries: Partition migration in the kernel")
Signed-off-by: Nathan Lynch <nathanl@linux.ibm.com>
Reviewed-by: Gautham R. Shenoy <ego@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'mm/vmpressure.c')
0 files changed, 0 insertions, 0 deletions