Commit 0cd2f620 authored by Heiko Carstens's avatar Heiko Carstens Committed by Martin Schwidefsky
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s390/memory hotplug: initialize storage keys 



Add missing storage key initialization when memory comes online.
Didn't hurt until now, since the kernel always uses access key 0.

However for debugging purposes we sometimes use a different key
and it might be good if everything is properly initialized...

Signed-off-by: default avatarHeiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent d652d596

drivers/s390/char/sclp_cmd.c

+11 −1
Original line number Diff line number Diff line
@@ -352,7 +352,17 @@ static int do_assign_storage(sclp_cmdw_t cmd, u16 rn) 


static int sclp_assign_storage(u16 rn)

{

	return do_assign_storage(0x000d0001, rn);

	unsigned long long start, address;

	int rc;



	rc = do_assign_storage(0x000d0001, rn);

	if (rc)

		goto out;

	start = address = rn2addr(rn);

	for (; address < start + rzm; address += PAGE_SIZE)

		page_set_storage_key(address, PAGE_DEFAULT_KEY, 0);

out:

	return rc;

}



static int sclp_unassign_storage(u16 rn)