From: Nathan Fontenot Date: Wed, 23 Jul 2008 18:31:52 +0000 (+1000) Subject: powerpc/pseries: Verify CMO memory entitlement updates with virtual I/O X-Git-Tag: v2.6.27-rc1~222^2~8 X-Git-Url: http://ftp.safe.ca/?p=safe%2Fjmp%2Flinux-2.6;a=commitdiff_plain;h=22e1a4dd3f2a9009d1d8896a5e833b6094877008 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 Signed-off-by: Robert Jennings Acked-by: Paul Mackerras Signed-off-by: Benjamin Herrenschmidt --- diff --git a/arch/powerpc/kernel/lparcfg.c b/arch/powerpc/kernel/lparcfg.c index 848c3e5..64381a2 100644 --- a/arch/powerpc/kernel/lparcfg.c +++ b/arch/powerpc/kernel/lparcfg.c @@ -34,6 +34,7 @@ #include #include #include +#include #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;