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| author | Vasant Hegde <hegdevasant@linux.vnet.ibm.com> | 2019-07-12 16:47:59 +0530 |
|---|---|---|
| committer | Oliver O'Halloran <oohall@gmail.com> | 2019-08-15 17:54:20 +1000 |
| commit | 7fa3c1ec5c3694dac8d690efe6463f68dd3421f3 (patch) | |
| tree | de7a38d507281ce9e4230a864767152ed362cedd | |
| parent | 19a8694fb204d7532f0d9de33fa6334535733bed (diff) | |
| download | skiboot-7fa3c1ec5c3694dac8d690efe6463f68dd3421f3.zip skiboot-7fa3c1ec5c3694dac8d690efe6463f68dd3421f3.tar.gz skiboot-7fa3c1ec5c3694dac8d690efe6463f68dd3421f3.tar.bz2 | |
MPIPL: Clear tags and metadata
Post dump process, kernel sends FREE_PRESERVE_MEMEORY notification
to OPAL. OPAL will clear metadata section and tags. Subsequent
opal_mpipl_query_tag() call will return OPAL_EMPTY.
Signed-off-by: Vasant Hegde <hegdevasant@linux.vnet.ibm.com>
[oliver: rebased]
Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
| -rw-r--r-- | core/opal-dump.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/core/opal-dump.c b/core/opal-dump.c index 2ff3a2f..6aefefd 100644 --- a/core/opal-dump.c +++ b/core/opal-dump.c @@ -301,6 +301,12 @@ static int64_t opal_mpipl_update(enum opal_mpipl_ops ops, prlog(PR_NOTICE, "Payload unregistered for MPIPL\n"); break; case OPAL_MPIPL_FREE_PRESERVED_MEMORY: + /* Clear tags */ + memset(&opal_mpipl_tags, 0, (sizeof(u64) * MAX_OPAL_MPIPL_TAGS)); + opal_mpipl_max_tags = 0; + /* Release memory */ + free(opal_mpipl_data); + opal_mpipl_data = NULL; /* Clear MDRT table */ memset((void *)MDRT_TABLE_BASE, 0, MDRT_TABLE_SIZE); /* Set MDRT count to max allocated count */ |