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-rw-r--r--arch/powerpc/platforms/pseries/lparcfg.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/pseries/lparcfg.c b/arch/powerpc/platforms/pseries/lparcfg.c
index 507dc0b5987d..63fd925ccbb8 100644
--- a/arch/powerpc/platforms/pseries/lparcfg.c
+++ b/arch/powerpc/platforms/pseries/lparcfg.c
@@ -35,6 +35,7 @@
#include <asm/drmem.h>
#include "pseries.h"
+#include "vas.h" /* pseries_vas_dlpar_cpu() */
/*
* This isn't a module but we expose that to userspace
@@ -748,6 +749,16 @@ static ssize_t lparcfg_write(struct file *file, const char __user * buf,
return -EINVAL;
retval = update_ppp(new_entitled_ptr, NULL);
+
+ if (retval == H_SUCCESS || retval == H_CONSTRAINED) {
+ /*
+ * The hypervisor assigns VAS resources based
+ * on entitled capacity for shared mode.
+ * Reconfig VAS windows based on DLPAR CPU events.
+ */
+ if (pseries_vas_dlpar_cpu() != 0)
+ retval = H_HARDWARE;
+ }
} else if (!strcmp(kbuf, "capacity_weight")) {
char *endp;
*new_weight_ptr = (u8) simple_strtoul(tmp, &endp, 10);