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s390/sclp: single increment assignment control

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Set a new option bit of the attach command to speed up memory
hotplug.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Martin Schwidefsky 2017-02-06 15:56:14 +01:00
parent a01ef3082d
commit 45be0a02f8
1 changed files with 1 additions and 0 deletions
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drivers/s390/char/sclp_cmd.c
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@ -252,6 +252,7 @@ static int sclp_attach_storage(u8 id)
if (!sccb)
return -ENOMEM;
sccb->header.length = PAGE_SIZE;
sccb->header.function_code = 0x40;
rc = sclp_sync_request_timeout(0x00080001 | id << 8, sccb,
SCLP_QUEUE_INTERVAL);
if (rc)