File 25929-tmem-restore-pool-version.patch of Package xen

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File 25929-tmem-restore-pool-version.patch of Package xen (Revision c4ffa4f837a89d82db04072916d9f412)

Currently displaying revision c4ffa4f837a89d82db04072916d9f412 , Show latest

# HG changeset patch
# User Zhenzhong Duan <zhenzhong.duan@oracle.com>
# Date 1348069127 -7200
# Node ID fee83ac77d8c7339abf5185690603ea5b0c548cf
# Parent  7b045d43e59dcb42340097058502bf456e151180
tmem: bump pool version to 1 to fix restore issue when tmem enabled

Restore fails when tmem is enabled both in hypervisor and guest. This
is due to spec version mismatch when restoring a pool.

Signed-off-by: Zhenzhong Duan <zhenzhong.duan@oracle.com>
Acked-by: Dan Magenheimer <dan.magenheimer@oracle.com>
Committed-by: Jan Beulich <jbeulich@suse.com>

--- a/xen/common/tmem.c
+++ b/xen/common/tmem.c
@@ -2407,7 +2407,8 @@ static NOINLINE int tmemc_save_subop(int
              break;
          rc = (pool->persistent ? TMEM_POOL_PERSIST : 0) |
               (pool->shared ? TMEM_POOL_SHARED : 0) |
-              (pool->pageshift << TMEM_POOL_PAGESIZE_SHIFT);
+              (pool->pageshift << TMEM_POOL_PAGESIZE_SHIFT) |
+              (TMEM_SPEC_VERSION << TMEM_POOL_VERSION_SHIFT);
         break;
     case TMEMC_SAVE_GET_POOL_NPAGES:
          if ( pool == NULL )

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File 25929-tmem-restore-pool-version.patch of Package xen (Revision c4ffa4f837a89d82db04072916d9f412)

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