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powerpc/pseries: Verify CMO memory entitlement updates with virtual I/O 

Verify memory entitlement updates can be handled by vio.

Signed-off-by: Nathan Fontenot <nfont@austin.ibm.com>
Signed-off-by: Robert Jennings <rcj@linux.vnet.ibm.com>
Acked-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Nathan Fontenot 2008-07-24 04:31:52 +10:00 committed by Benjamin Herrenschmidt
parent a90ab95a95
commit 22e1a4dd3f
1 changed files with 10 additions and 0 deletions
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10
arch/powerpc/kernel/lparcfg.c
View File

@ -34,6 +34,7 @@
#include <asm/time.h>
#include <asm/prom.h>
#include <asm/vdso_datapage.h>
#include <asm/vio.h>
#define MODULE_VERS "1.8"
#define MODULE_NAME "lparcfg"
@ -527,6 +528,15 @@ static ssize_t update_mpp(u64 *entitlement, u8 *weight)
u8 new_weight;
ssize_t rc;
if (entitlement) {
/* Check with vio to ensure the new memory entitlement
* can be handled.
*/
rc = vio_cmo_entitlement_update(*entitlement);
if (rc)
return rc;
}
rc = h_get_mpp(&mpp_data);
if (rc)
return rc;