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s390/protvirt: avoid memory sharing for diag 308 set/store

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This reverts commit db9492cef4 ("s390/protvirt: add memory sharing for
diag 308 set/store") which due to ultravisor implementation change is
not needed after all.

Fixes: db9492cef4 ("s390/protvirt: add memory sharing for diag 308 set/store")
Reviewed-by: Janosch Frank <frankja@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
This commit is contained in:
Vasily Gorbik
2019-08-02 13:27:22 +02:00
parent e21a712a96
commit a287a49e67
2 changed files with 0 additions and 11 deletions
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2
arch/s390/boot/ipl_parm.c
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@@ -48,9 +48,7 @@ void store_ipl_parmblock(void)
{
int rc;
uv_set_shared(__pa(&ipl_block));
rc = __diag308(DIAG308_STORE, &ipl_block);
uv_remove_shared(__pa(&ipl_block));
if (rc == DIAG308_RC_OK &&
ipl_block.hdr.version <= IPL_MAX_SUPPORTED_VERSION)
ipl_block_valid = 1;