Merge with /shiny/git/linux-2.6/.git

16 files changed, 536 insertions, 536 deletions

diff --git a/arch/ppc64/Kconfig b/arch/ppc64/Kconfig
index f804f25..fdd8afb 100644
--- a/arch/ppc64/Kconfig
+++ b/arch/ppc64/Kconfig
@@ -429,6 +429,8 @@ config CMDLINE
 
 endmenu
 
+source "net/Kconfig"
+
 source "drivers/Kconfig"
 
 source "fs/Kconfig"
diff --git a/arch/ppc64/kernel/cputable.c b/arch/ppc64/kernel/cputable.c
index 1d162c7..8d4c46f 100644
--- a/arch/ppc64/kernel/cputable.c
+++ b/arch/ppc64/kernel/cputable.c
@@ -49,160 +49,219 @@ extern void __setup_cpu_be(unsigned long offset, struct cpu_spec* spec);
 #endif
 
 struct cpu_spec	cpu_specs[] = {
-    {	/* Power3 */
-	    0xffff0000, 0x00400000, "POWER3 (630)",
-	    CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
-		    CPU_FTR_IABR | CPU_FTR_PMC8,
-	    COMMON_USER_PPC64,
-	    128, 128,
-	    __setup_cpu_power3,
-	    COMMON_PPC64_FW
-    },
-    {	/* Power3+ */
-	    0xffff0000, 0x00410000, "POWER3 (630+)",
-	    CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
-		    CPU_FTR_IABR | CPU_FTR_PMC8,
-	    COMMON_USER_PPC64,
-	    128, 128,
-	    __setup_cpu_power3,
-	    COMMON_PPC64_FW
-    },
-    {	/* Northstar */
-	    0xffff0000, 0x00330000, "RS64-II (northstar)",
-	    CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
-		    CPU_FTR_IABR | CPU_FTR_PMC8 | CPU_FTR_MMCRA,
-	    COMMON_USER_PPC64,
-	    128, 128,
-	    __setup_cpu_power3,
-	    COMMON_PPC64_FW
-    },
-    {	/* Pulsar */
-	    0xffff0000, 0x00340000, "RS64-III (pulsar)",
-	    CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
-		    CPU_FTR_IABR | CPU_FTR_PMC8 | CPU_FTR_MMCRA,
-	    COMMON_USER_PPC64,
-	    128, 128,
-	    __setup_cpu_power3,
-	    COMMON_PPC64_FW
-    },
-    {	/* I-star */
-	    0xffff0000, 0x00360000, "RS64-III (icestar)",
-	    CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
-		    CPU_FTR_IABR | CPU_FTR_PMC8 | CPU_FTR_MMCRA,
-	    COMMON_USER_PPC64,
-	    128, 128,
-	    __setup_cpu_power3,
-	    COMMON_PPC64_FW
-    },
-    {	/* S-star */
-	    0xffff0000, 0x00370000, "RS64-IV (sstar)",
-	    CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
-		    CPU_FTR_IABR | CPU_FTR_PMC8 | CPU_FTR_MMCRA,
-	    COMMON_USER_PPC64,
-	    128, 128,
-	    __setup_cpu_power3,
-	    COMMON_PPC64_FW
-    },
-    {	/* Power4 */
-	    0xffff0000, 0x00350000, "POWER4 (gp)",
-	    CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
-		    CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_PMC8 | CPU_FTR_MMCRA,
-	    COMMON_USER_PPC64,
-	    128, 128,
-	    __setup_cpu_power4,
-	    COMMON_PPC64_FW
-    },
-    {	/* Power4+ */
-	    0xffff0000, 0x00380000, "POWER4+ (gq)",
-	    CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
-		    CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_PMC8 | CPU_FTR_MMCRA,
-	    COMMON_USER_PPC64,
-	    128, 128,
-	    __setup_cpu_power4,
-	    COMMON_PPC64_FW
-    },
-    {	/* PPC970 */
-	    0xffff0000, 0x00390000, "PPC970",
-	    CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
-		    CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_ALTIVEC_COMP |
-		    CPU_FTR_CAN_NAP | CPU_FTR_PMC8 | CPU_FTR_MMCRA,
-	    COMMON_USER_PPC64 | PPC_FEATURE_HAS_ALTIVEC_COMP,
-	    128, 128,
-	    __setup_cpu_ppc970,
-	    COMMON_PPC64_FW
-    },
-    {	/* PPC970FX */
-	    0xffff0000, 0x003c0000, "PPC970FX",
-	    CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
-		    CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_ALTIVEC_COMP |
-		    CPU_FTR_CAN_NAP | CPU_FTR_PMC8 | CPU_FTR_MMCRA,
-	    COMMON_USER_PPC64 | PPC_FEATURE_HAS_ALTIVEC_COMP,
-	    128, 128,
-	    __setup_cpu_ppc970,
-	    COMMON_PPC64_FW
-    },
-    {	/* Power5 */
-	    0xffff0000, 0x003a0000, "POWER5 (gr)",
-	    CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
-		    CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_MMCRA | CPU_FTR_SMT |
-		    CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE |
-		    CPU_FTR_MMCRA_SIHV,
-	    COMMON_USER_PPC64,
-	    128, 128,
-	    __setup_cpu_power4,
-	    COMMON_PPC64_FW
-    },
-    {	/* Power5 */
-	    0xffff0000, 0x003b0000, "POWER5 (gs)",
-	    CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
-		    CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_MMCRA | CPU_FTR_SMT |
-		    CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE |
-		    CPU_FTR_MMCRA_SIHV,
-	    COMMON_USER_PPC64,
-	    128, 128,
-	    __setup_cpu_power4,
-	    COMMON_PPC64_FW
-    },
-    {	/* BE DD1.x  */
-	    0xffff0000, 0x00700000, "Broadband Engine",
-	    CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
-		    CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_ALTIVEC_COMP |
-		    CPU_FTR_SMT,
-	    COMMON_USER_PPC64 | PPC_FEATURE_HAS_ALTIVEC_COMP,
-	    128, 128,
-	    __setup_cpu_be,
-	    COMMON_PPC64_FW
-    },
-    {	/* default match */
-	    0x00000000, 0x00000000, "POWER4 (compatible)",
-  	    CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
-		    CPU_FTR_PPCAS_ARCH_V2,
-	    COMMON_USER_PPC64,
-	    128, 128,
-	    __setup_cpu_power4,
-	    COMMON_PPC64_FW
-    }
+	{	/* Power3 */
+		.pvr_mask		= 0xffff0000,
+		.pvr_value		= 0x00400000,
+		.cpu_name		= "POWER3 (630)",
+		.cpu_features		= CPU_FTR_SPLIT_ID_CACHE |
+			CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | CPU_FTR_IABR |
+			CPU_FTR_PMC8,
+		.cpu_user_features = COMMON_USER_PPC64,
+		.icache_bsize		= 128,
+		.dcache_bsize		= 128,
+		.cpu_setup		= __setup_cpu_power3,
+		.firmware_features	= COMMON_PPC64_FW,
+	},
+	{	/* Power3+ */
+		.pvr_mask		= 0xffff0000,
+		.pvr_value		= 0x00410000,
+		.cpu_name		= "POWER3 (630+)",
+		.cpu_features		= CPU_FTR_SPLIT_ID_CACHE |
+			CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | CPU_FTR_IABR |
+			CPU_FTR_PMC8,
+		.cpu_user_features	= COMMON_USER_PPC64,
+		.icache_bsize		= 128,
+		.dcache_bsize		= 128,
+		.cpu_setup		= __setup_cpu_power3,
+		.firmware_features	= COMMON_PPC64_FW,
+	},
+	{	/* Northstar */
+		.pvr_mask		= 0xffff0000,
+		.pvr_value		= 0x00330000,
+		.cpu_name		= "RS64-II (northstar)",
+		.cpu_features		= CPU_FTR_SPLIT_ID_CACHE |
+			CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | CPU_FTR_IABR |
+			CPU_FTR_PMC8 | CPU_FTR_MMCRA | CPU_FTR_CTRL,
+		.cpu_user_features	= COMMON_USER_PPC64,
+		.icache_bsize		= 128,
+		.dcache_bsize		= 128,
+		.cpu_setup		= __setup_cpu_power3,
+		.firmware_features	= COMMON_PPC64_FW,
+	},
+	{	/* Pulsar */
+		.pvr_mask		= 0xffff0000,
+		.pvr_value		= 0x00340000,
+		.cpu_name		= "RS64-III (pulsar)",
+		.cpu_features		= CPU_FTR_SPLIT_ID_CACHE |
+			CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | CPU_FTR_IABR |
+			CPU_FTR_PMC8 | CPU_FTR_MMCRA | CPU_FTR_CTRL,
+		.cpu_user_features	= COMMON_USER_PPC64,
+		.icache_bsize		= 128,
+		.dcache_bsize		= 128,
+		.cpu_setup		= __setup_cpu_power3,
+		.firmware_features	= COMMON_PPC64_FW,
+	},
+	{	/* I-star */
+		.pvr_mask		= 0xffff0000,
+		.pvr_value		= 0x00360000,
+		.cpu_name		= "RS64-III (icestar)",
+		.cpu_features		= CPU_FTR_SPLIT_ID_CACHE |
+			CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | CPU_FTR_IABR |
+			CPU_FTR_PMC8 | CPU_FTR_MMCRA | CPU_FTR_CTRL,
+		.cpu_user_features	= COMMON_USER_PPC64,
+		.icache_bsize		= 128,
+		.dcache_bsize		= 128,
+		.cpu_setup		= __setup_cpu_power3,
+		.firmware_features	= COMMON_PPC64_FW,
+	},
+	{	/* S-star */
+		.pvr_mask		= 0xffff0000,
+		.pvr_value		= 0x00370000,
+		.cpu_name		= "RS64-IV (sstar)",
+		.cpu_features		= CPU_FTR_SPLIT_ID_CACHE |
+			CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | CPU_FTR_IABR |
+			CPU_FTR_PMC8 | CPU_FTR_MMCRA | CPU_FTR_CTRL,
+		.cpu_user_features	= COMMON_USER_PPC64,
+		.icache_bsize		= 128,
+		.dcache_bsize		= 128,
+		.cpu_setup		= __setup_cpu_power3,
+		.firmware_features	= COMMON_PPC64_FW,
+	},
+	{	/* Power4 */
+		.pvr_mask		= 0xffff0000,
+		.pvr_value		= 0x00350000,
+		.cpu_name		= "POWER4 (gp)",
+		.cpu_features		= CPU_FTR_SPLIT_ID_CACHE |
+			CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
+			CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_PMC8 | CPU_FTR_MMCRA,
+		.cpu_user_features	= COMMON_USER_PPC64,
+		.icache_bsize		= 128,
+		.dcache_bsize		= 128,
+		.cpu_setup		= __setup_cpu_power4,
+		.firmware_features	= COMMON_PPC64_FW,
+	},
+	{	/* Power4+ */
+		.pvr_mask		= 0xffff0000,
+		.pvr_value		= 0x00380000,
+		.cpu_name		= "POWER4+ (gq)",
+		.cpu_features		= CPU_FTR_SPLIT_ID_CACHE |
+			CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
+			CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_PMC8 | CPU_FTR_MMCRA,
+		.cpu_user_features	= COMMON_USER_PPC64,
+		.icache_bsize		= 128,
+		.dcache_bsize		= 128,
+		.cpu_setup		= __setup_cpu_power4,
+		.firmware_features	= COMMON_PPC64_FW,
+	},
+	{	/* PPC970 */
+		.pvr_mask		= 0xffff0000,
+		.pvr_value		= 0x00390000,
+		.cpu_name		= "PPC970",
+		.cpu_features		= CPU_FTR_SPLIT_ID_CACHE |
+			CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
+			CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_ALTIVEC_COMP |
+			CPU_FTR_CAN_NAP | CPU_FTR_PMC8 | CPU_FTR_MMCRA,
+		.cpu_user_features	= COMMON_USER_PPC64 |
+			PPC_FEATURE_HAS_ALTIVEC_COMP,
+		.icache_bsize		= 128,
+		.dcache_bsize		= 128,
+		.cpu_setup		= __setup_cpu_ppc970,
+		.firmware_features	= COMMON_PPC64_FW,
+	},
+	{	/* PPC970FX */
+		.pvr_mask		= 0xffff0000,
+		.pvr_value		= 0x003c0000,
+		.cpu_name		= "PPC970FX",
+		.cpu_features		= CPU_FTR_SPLIT_ID_CACHE |
+			CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
+			CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_ALTIVEC_COMP |
+			CPU_FTR_CAN_NAP | CPU_FTR_PMC8 | CPU_FTR_MMCRA,
+		.cpu_user_features	= COMMON_USER_PPC64 |
+			PPC_FEATURE_HAS_ALTIVEC_COMP,
+		.icache_bsize		= 128,
+		.dcache_bsize		= 128,
+		.cpu_setup		= __setup_cpu_ppc970,
+		.firmware_features	= COMMON_PPC64_FW,
+	},
+	{	/* Power5 */
+		.pvr_mask		= 0xffff0000,
+		.pvr_value		= 0x003a0000,
+		.cpu_name		= "POWER5 (gr)",
+		.cpu_features		= CPU_FTR_SPLIT_ID_CACHE |
+			CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
+			CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_MMCRA | CPU_FTR_SMT |
+			CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE |
+			CPU_FTR_MMCRA_SIHV,
+		.cpu_user_features	= COMMON_USER_PPC64,
+		.icache_bsize		= 128,
+		.dcache_bsize		= 128,
+		.cpu_setup		= __setup_cpu_power4,
+		.firmware_features	= COMMON_PPC64_FW,
+	},
+	{	/* Power5 */
+		.pvr_mask		= 0xffff0000,
+		.pvr_value		= 0x003b0000,
+		.cpu_name		= "POWER5 (gs)",
+		.cpu_features		= CPU_FTR_SPLIT_ID_CACHE |
+			CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
+			CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_MMCRA | CPU_FTR_SMT |
+			CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE |
+			CPU_FTR_MMCRA_SIHV,
+		.cpu_user_features	= COMMON_USER_PPC64,
+		.icache_bsize		= 128,
+		.dcache_bsize		= 128,
+		.cpu_setup		= __setup_cpu_power4,
+		.firmware_features	= COMMON_PPC64_FW,
+	},
+	{	/* BE DD1.x */
+		.pvr_mask		= 0xffff0000,
+		.pvr_value		= 0x00700000,
+		.cpu_name		= "Broadband Engine",
+		.cpu_features		= CPU_FTR_SPLIT_ID_CACHE |
+			CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
+			CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_ALTIVEC_COMP |
+			CPU_FTR_SMT,
+		.cpu_user_features	= COMMON_USER_PPC64 |
+			PPC_FEATURE_HAS_ALTIVEC_COMP,
+		.icache_bsize		= 128,
+		.dcache_bsize		= 128,
+		.cpu_setup		= __setup_cpu_be,
+		.firmware_features	= COMMON_PPC64_FW,
+	},
+	{	/* default match */
+		.pvr_mask		= 0x00000000,
+		.pvr_value		= 0x00000000,
+		.cpu_name		= "POWER4 (compatible)",
+		.cpu_features		= CPU_FTR_SPLIT_ID_CACHE |
+			CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
+			CPU_FTR_PPCAS_ARCH_V2,
+		.cpu_user_features	= COMMON_USER_PPC64,
+		.icache_bsize		= 128,
+		.dcache_bsize		= 128,
+		.cpu_setup		= __setup_cpu_power4,
+		.firmware_features	= COMMON_PPC64_FW,
+	}
 };
 
 firmware_feature_t firmware_features_table[FIRMWARE_MAX_FEATURES] = {
-    {FW_FEATURE_PFT,		"hcall-pft"},
-    {FW_FEATURE_TCE,		"hcall-tce"},
-    {FW_FEATURE_SPRG0,		"hcall-sprg0"},
-    {FW_FEATURE_DABR,		"hcall-dabr"},
-    {FW_FEATURE_COPY,		"hcall-copy"},
-    {FW_FEATURE_ASR,		"hcall-asr"},
-    {FW_FEATURE_DEBUG,		"hcall-debug"},
-    {FW_FEATURE_PERF,		"hcall-perf"},
-    {FW_FEATURE_DUMP,		"hcall-dump"},
-    {FW_FEATURE_INTERRUPT,	"hcall-interrupt"},
-    {FW_FEATURE_MIGRATE,	"hcall-migrate"},
-    {FW_FEATURE_PERFMON,	"hcall-perfmon"},
-    {FW_FEATURE_CRQ,    	"hcall-crq"},
-    {FW_FEATURE_VIO,	        "hcall-vio"},
-    {FW_FEATURE_RDMA,	        "hcall-rdma"},
-    {FW_FEATURE_LLAN,	        "hcall-lLAN"},
-    {FW_FEATURE_BULK,   	"hcall-bulk"},
-    {FW_FEATURE_XDABR,  	"hcall-xdabr"},
-    {FW_FEATURE_MULTITCE,	"hcall-multi-tce"},
-    {FW_FEATURE_SPLPAR,	        "hcall-splpar"},
+	{FW_FEATURE_PFT,		"hcall-pft"},
+	{FW_FEATURE_TCE,		"hcall-tce"},
+	{FW_FEATURE_SPRG0,		"hcall-sprg0"},
+	{FW_FEATURE_DABR,		"hcall-dabr"},
+	{FW_FEATURE_COPY,		"hcall-copy"},
+	{FW_FEATURE_ASR,		"hcall-asr"},
+	{FW_FEATURE_DEBUG,		"hcall-debug"},
+	{FW_FEATURE_PERF,		"hcall-perf"},
+	{FW_FEATURE_DUMP,		"hcall-dump"},
+	{FW_FEATURE_INTERRUPT,		"hcall-interrupt"},
+	{FW_FEATURE_MIGRATE,		"hcall-migrate"},
+	{FW_FEATURE_PERFMON,		"hcall-perfmon"},
+	{FW_FEATURE_CRQ,		"hcall-crq"},
+	{FW_FEATURE_VIO,		"hcall-vio"},
+	{FW_FEATURE_RDMA,		"hcall-rdma"},
+	{FW_FEATURE_LLAN,		"hcall-lLAN"},
+	{FW_FEATURE_BULK,		"hcall-bulk"},
+	{FW_FEATURE_XDABR,		"hcall-xdabr"},
+	{FW_FEATURE_MULTITCE,		"hcall-multi-tce"},
+	{FW_FEATURE_SPLPAR,		"hcall-splpar"},
 };
diff --git a/arch/ppc64/kernel/head.S b/arch/ppc64/kernel/head.S
index 675c270..93ebcac0 100644
--- a/arch/ppc64/kernel/head.S
+++ b/arch/ppc64/kernel/head.S
@@ -308,6 +308,7 @@ exception_marker:
 label##_pSeries:					\
 	HMT_MEDIUM;					\
 	mtspr	SPRG1,r13;		/* save r13 */	\
+	RUNLATCH_ON(r13);				\
 	EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, label##_common)
 
 #define STD_EXCEPTION_ISERIES(n, label, area)		\
@@ -315,6 +316,7 @@ label##_pSeries:					\
 label##_iSeries:					\
 	HMT_MEDIUM;					\
 	mtspr	SPRG1,r13;		/* save r13 */	\
+	RUNLATCH_ON(r13);				\
 	EXCEPTION_PROLOG_ISERIES_1(area);		\
 	EXCEPTION_PROLOG_ISERIES_2;			\
 	b	label##_common
@@ -324,6 +326,7 @@ label##_iSeries:					\
 label##_iSeries:							\
 	HMT_MEDIUM;							\
 	mtspr	SPRG1,r13;		/* save r13 */			\
+	RUNLATCH_ON(r13);						\
 	EXCEPTION_PROLOG_ISERIES_1(PACA_EXGEN);				\
 	lbz	r10,PACAPROCENABLED(r13);				\
 	cmpwi	0,r10,0;						\
@@ -393,6 +396,7 @@ __start_interrupts:
 _machine_check_pSeries:
 	HMT_MEDIUM
 	mtspr	SPRG1,r13		/* save r13 */
+	RUNLATCH_ON(r13)
 	EXCEPTION_PROLOG_PSERIES(PACA_EXMC, machine_check_common)
 
 	. = 0x300
@@ -419,6 +423,7 @@ END_FTR_SECTION_IFCLR(CPU_FTR_SLB)
 data_access_slb_pSeries:
 	HMT_MEDIUM
 	mtspr	SPRG1,r13
+	RUNLATCH_ON(r13)
 	mfspr	r13,SPRG3		/* get paca address into r13 */
 	std	r9,PACA_EXSLB+EX_R9(r13)	/* save r9 - r12 */
 	std	r10,PACA_EXSLB+EX_R10(r13)
@@ -439,6 +444,7 @@ data_access_slb_pSeries:
 instruction_access_slb_pSeries:
 	HMT_MEDIUM
 	mtspr	SPRG1,r13
+	RUNLATCH_ON(r13)
 	mfspr	r13,SPRG3		/* get paca address into r13 */
 	std	r9,PACA_EXSLB+EX_R9(r13)	/* save r9 - r12 */
 	std	r10,PACA_EXSLB+EX_R10(r13)
@@ -464,6 +470,7 @@ instruction_access_slb_pSeries:
 	.globl	system_call_pSeries
 system_call_pSeries:
 	HMT_MEDIUM
+	RUNLATCH_ON(r9)
 	mr	r9,r13
 	mfmsr	r10
 	mfspr	r13,SPRG3
@@ -707,11 +714,13 @@ fwnmi_data_area:
 system_reset_fwnmi:
 	HMT_MEDIUM
 	mtspr	SPRG1,r13		/* save r13 */
+	RUNLATCH_ON(r13)
 	EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, system_reset_common)
 	.globl machine_check_fwnmi
 machine_check_fwnmi:
 	HMT_MEDIUM
 	mtspr	SPRG1,r13		/* save r13 */
+	RUNLATCH_ON(r13)
 	EXCEPTION_PROLOG_PSERIES(PACA_EXMC, machine_check_common)
 
 	/*
@@ -848,6 +857,7 @@ unrecov_fer:
 	.align	7
 	.globl data_access_common
 data_access_common:
+	RUNLATCH_ON(r10)		/* It wont fit in the 0x300 handler */
 	mfspr	r10,DAR
 	std	r10,PACA_EXGEN+EX_DAR(r13)
 	mfspr	r10,DSISR
diff --git a/arch/ppc64/kernel/hvconsole.c b/arch/ppc64/kernel/hvconsole.c
index c72fb8f..138e128 100644
--- a/arch/ppc64/kernel/hvconsole.c
+++ b/arch/ppc64/kernel/hvconsole.c
@@ -27,7 +27,6 @@
 #include <linux/module.h>
 #include <asm/hvcall.h>
 #include <asm/hvconsole.h>
-#include <asm/prom.h>
 
 /**
  * hvc_get_chars - retrieve characters from firmware for denoted vterm adatper
@@ -42,29 +41,14 @@ int hvc_get_chars(uint32_t vtermno, char *buf, int count)
 	unsigned long got;
 
 	if (plpar_hcall(H_GET_TERM_CHAR, vtermno, 0, 0, 0, &got,
-		(unsigned long *)buf, (unsigned long *)buf+1) == H_Success) {
-		/*
-		 * Work around a HV bug where it gives us a null
-		 * after every \r.  -- paulus
-		 */
-		if (got > 0) {
-			int i;
-			for (i = 1; i < got; ++i) {
-				if (buf[i] == 0 && buf[i-1] == '\r') {
-					--got;
-					if (i < got)
-						memmove(&buf[i], &buf[i+1],
-							got - i);
-				}
-			}
-		}
+		(unsigned long *)buf, (unsigned long *)buf+1) == H_Success)
 		return got;
-	}
 	return 0;
 }
 
 EXPORT_SYMBOL(hvc_get_chars);
 
+
 /**
  * hvc_put_chars: send characters to firmware for denoted vterm adapter
  * @vtermno: The vtermno or unit_address of the adapter from which the data
@@ -88,34 +72,3 @@ int hvc_put_chars(uint32_t vtermno, const char *buf, int count)
 }
 
 EXPORT_SYMBOL(hvc_put_chars);
-
-/*
- * We hope/assume that the first vty found corresponds to the first console
- * device.
- */
-int hvc_find_vtys(void)
-{
-	struct device_node *vty;
-	int num_found = 0;
-
-	for (vty = of_find_node_by_name(NULL, "vty"); vty != NULL;
-			vty = of_find_node_by_name(vty, "vty")) {
-		uint32_t *vtermno;
-
-		/* We have statically defined space for only a certain number of
-		 * console adapters. */
-		if (num_found >= MAX_NR_HVC_CONSOLES)
-			break;
-
-		vtermno = (uint32_t *)get_property(vty, "reg", NULL);
-		if (!vtermno)
-			continue;
-
-		if (device_is_compatible(vty, "hvterm1")) {
-			hvc_instantiate(*vtermno, num_found);
-			++num_found;
-		}
-	}
-
-	return num_found;
-}
diff --git a/arch/ppc64/kernel/iSeries_setup.c b/arch/ppc64/kernel/iSeries_setup.c
index b3f770f..077c82f 100644
--- a/arch/ppc64/kernel/iSeries_setup.c
+++ b/arch/ppc64/kernel/iSeries_setup.c
@@ -834,6 +834,92 @@ static int __init iSeries_src_init(void)
 
 late_initcall(iSeries_src_init);
 
+static inline void process_iSeries_events(void)
+{
+	asm volatile ("li 0,0x5555; sc" : : : "r0", "r3");
+}
+
+static void yield_shared_processor(void)
+{
+	unsigned long tb;
+
+	HvCall_setEnabledInterrupts(HvCall_MaskIPI |
+				    HvCall_MaskLpEvent |
+				    HvCall_MaskLpProd |
+				    HvCall_MaskTimeout);
+
+	tb = get_tb();
+	/* Compute future tb value when yield should expire */
+	HvCall_yieldProcessor(HvCall_YieldTimed, tb+tb_ticks_per_jiffy);
+
+	/*
+	 * The decrementer stops during the yield.  Force a fake decrementer
+	 * here and let the timer_interrupt code sort out the actual time.
+	 */
+	get_paca()->lppaca.int_dword.fields.decr_int = 1;
+	process_iSeries_events();
+}
+
+static int iseries_shared_idle(void)
+{
+	while (1) {
+		while (!need_resched() && !hvlpevent_is_pending()) {
+			local_irq_disable();
+			ppc64_runlatch_off();
+
+			/* Recheck with irqs off */
+			if (!need_resched() && !hvlpevent_is_pending())
+				yield_shared_processor();
+
+			HMT_medium();
+			local_irq_enable();
+		}
+
+		ppc64_runlatch_on();
+
+		if (hvlpevent_is_pending())
+			process_iSeries_events();
+
+		schedule();
+	}
+
+	return 0;
+}
+
+static int iseries_dedicated_idle(void)
+{
+	long oldval;
+
+	while (1) {
+		oldval = test_and_clear_thread_flag(TIF_NEED_RESCHED);
+
+		if (!oldval) {
+			set_thread_flag(TIF_POLLING_NRFLAG);
+
+			while (!need_resched()) {
+				ppc64_runlatch_off();
+				HMT_low();
+
+				if (hvlpevent_is_pending()) {
+					HMT_medium();
+					ppc64_runlatch_on();
+					process_iSeries_events();
+				}
+			}
+
+			HMT_medium();
+			clear_thread_flag(TIF_POLLING_NRFLAG);
+		} else {
+			set_need_resched();
+		}
+
+		ppc64_runlatch_on();
+		schedule();
+	}
+
+	return 0;
+}
+
 #ifndef CONFIG_PCI
 void __init iSeries_init_IRQ(void) { }
 #endif
@@ -859,5 +945,13 @@ void __init iSeries_early_setup(void)
 	ppc_md.get_rtc_time = iSeries_get_rtc_time;
 	ppc_md.calibrate_decr = iSeries_calibrate_decr;
 	ppc_md.progress = iSeries_progress;
+
+	if (get_paca()->lppaca.shared_proc) {
+		ppc_md.idle_loop = iseries_shared_idle;
+		printk(KERN_INFO "Using shared processor idle loop\n");
+	} else {
+		ppc_md.idle_loop = iseries_dedicated_idle;
+		printk(KERN_INFO "Using dedicated idle loop\n");
+	}
 }
 
diff --git a/arch/ppc64/kernel/idle.c b/arch/ppc64/kernel/idle.c
index 08952c7..954395d 100644
--- a/arch/ppc64/kernel/idle.c
+++ b/arch/ppc64/kernel/idle.c
@@ -20,109 +20,18 @@
 #include <linux/kernel.h>
 #include <linux/smp.h>
 #include <linux/cpu.h>
-#include <linux/module.h>
 #include <linux/sysctl.h>
-#include <linux/smp.h>
 
 #include <asm/system.h>
 #include <asm/processor.h>
-#include <asm/mmu.h>
 #include <asm/cputable.h>
 #include <asm/time.h>
-#include <asm/iSeries/HvCall.h>
-#include <asm/iSeries/ItLpQueue.h>
-#include <asm/plpar_wrappers.h>
 #include <asm/systemcfg.h>
+#include <asm/machdep.h>
 
 extern void power4_idle(void);
 
-static int (*idle_loop)(void);
-
-#ifdef CONFIG_PPC_ISERIES
-static unsigned long maxYieldTime = 0;
-static unsigned long minYieldTime = 0xffffffffffffffffUL;
-
-static inline void process_iSeries_events(void)
-{
-	asm volatile ("li 0,0x5555; sc" : : : "r0", "r3");
-}
-
-static void yield_shared_processor(void)
-{
-	unsigned long tb;
-	unsigned long yieldTime;
-
-	HvCall_setEnabledInterrupts(HvCall_MaskIPI |
-				    HvCall_MaskLpEvent |
-				    HvCall_MaskLpProd |
-				    HvCall_MaskTimeout);
-
-	tb = get_tb();
-	/* Compute future tb value when yield should expire */
-	HvCall_yieldProcessor(HvCall_YieldTimed, tb+tb_ticks_per_jiffy);
-
-	yieldTime = get_tb() - tb;
-	if (yieldTime > maxYieldTime)
-		maxYieldTime = yieldTime;
-
-	if (yieldTime < minYieldTime)
-		minYieldTime = yieldTime;
-	
-	/*
-	 * The decrementer stops during the yield.  Force a fake decrementer
-	 * here and let the timer_interrupt code sort out the actual time.
-	 */
-	get_paca()->lppaca.int_dword.fields.decr_int = 1;
-	process_iSeries_events();
-}
-
-static int iSeries_idle(void)
-{
-	struct paca_struct *lpaca;
-	long oldval;
-
-	/* ensure iSeries run light will be out when idle */
-	ppc64_runlatch_off();
-
-	lpaca = get_paca();
-
-	while (1) {
-		if (lpaca->lppaca.shared_proc) {
-			if (hvlpevent_is_pending())
-				process_iSeries_events();
-			if (!need_resched())
-				yield_shared_processor();
-		} else {
-			oldval = test_and_clear_thread_flag(TIF_NEED_RESCHED);
-
-			if (!oldval) {
-				set_thread_flag(TIF_POLLING_NRFLAG);
-
-				while (!need_resched()) {
-					HMT_medium();
-					if (hvlpevent_is_pending())
-						process_iSeries_events();
-					HMT_low();
-				}
-
-				HMT_medium();
-				clear_thread_flag(TIF_POLLING_NRFLAG);
-			} else {
-				set_need_resched();
-			}
-		}
-
-		ppc64_runlatch_on();
-		schedule();
-		ppc64_runlatch_off();
-	}
-
-	return 0;
-}
-
-#else
-
-static int default_idle(void)
+int default_idle(void)
 {
 	long oldval;
 	unsigned int cpu = smp_processor_id();
@@ -134,7 +43,8 @@ static int default_idle(void)
 			set_thread_flag(TIF_POLLING_NRFLAG);
 
 			while (!need_resched() && !cpu_is_offline(cpu)) {
-				barrier();
+				ppc64_runlatch_off();
+
 				/*
 				 * Go into low thread priority and possibly
 				 * low power mode.
@@ -149,6 +59,7 @@ static int default_idle(void)
 			set_need_resched();
 		}
 
+		ppc64_runlatch_on();
 		schedule();
 		if (cpu_is_offline(cpu) && system_state == SYSTEM_RUNNING)
 			cpu_die();
@@ -157,127 +68,19 @@ static int default_idle(void)
 	return 0;
 }
 
-#ifdef CONFIG_PPC_PSERIES
-
-DECLARE_PER_CPU(unsigned long, smt_snooze_delay);
-
-int dedicated_idle(void)
+int native_idle(void)
 {
-	long oldval;
-	struct paca_struct *lpaca = get_paca(), *ppaca;
-	unsigned long start_snooze;
-	unsigned long *smt_snooze_delay = &__get_cpu_var(smt_snooze_delay);
-	unsigned int cpu = smp_processor_id();
-
-	ppaca = &paca[cpu ^ 1];
-
 	while (1) {
-		/*
-		 * Indicate to the HV that we are idle. Now would be
-		 * a good time to find other work to dispatch.
-		 */
-		lpaca->lppaca.idle = 1;
-
-		oldval = test_and_clear_thread_flag(TIF_NEED_RESCHED);
-		if (!oldval) {
-			set_thread_flag(TIF_POLLING_NRFLAG);
-			start_snooze = __get_tb() +
-				*smt_snooze_delay * tb_ticks_per_usec;
-			while (!need_resched() && !cpu_is_offline(cpu)) {
-				/*
-				 * Go into low thread priority and possibly
-				 * low power mode.
-				 */
-				HMT_low();
-				HMT_very_low();
-
-				if (*smt_snooze_delay == 0 ||
-				    __get_tb() < start_snooze)
-					continue;
-
-				HMT_medium();
-
-				if (!(ppaca->lppaca.idle)) {
-					local_irq_disable();
-
-					/*
-					 * We are about to sleep the thread
-					 * and so wont be polling any
-					 * more.
-					 */
-					clear_thread_flag(TIF_POLLING_NRFLAG);
-
-					/*
-					 * SMT dynamic mode. Cede will result
-					 * in this thread going dormant, if the
-					 * partner thread is still doing work.
-					 * Thread wakes up if partner goes idle,
-					 * an interrupt is presented, or a prod
-					 * occurs.  Returning from the cede
-					 * enables external interrupts.
-					 */
-					if (!need_resched())
-						cede_processor();
-					else
-						local_irq_enable();
-				} else {
-					/*
-					 * Give the HV an opportunity at the
-					 * processor, since we are not doing
-					 * any work.
-					 */
-					poll_pending();
-				}
-			}
-
-			clear_thread_flag(TIF_POLLING_NRFLAG);
-		} else {
-			set_need_resched();
-		}
-
-		HMT_medium();
-		lpaca->lppaca.idle = 0;
-		schedule();
-		if (cpu_is_offline(cpu) && system_state == SYSTEM_RUNNING)
-			cpu_die();
-	}
-	return 0;
-}
-
-static int shared_idle(void)
-{
-	struct paca_struct *lpaca = get_paca();
-	unsigned int cpu = smp_processor_id();
-
-	while (1) {
-		/*
-		 * Indicate to the HV that we are idle. Now would be
-		 * a good time to find other work to dispatch.
-		 */
-		lpaca->lppaca.idle = 1;
+		ppc64_runlatch_off();
 
-		while (!need_resched() && !cpu_is_offline(cpu)) {
-			local_irq_disable();
+		if (!need_resched())
+			power4_idle();
 
-			/*
-			 * Yield the processor to the hypervisor.  We return if
-			 * an external interrupt occurs (which are driven prior
-			 * to returning here) or if a prod occurs from another 
-			 * processor. When returning here, external interrupts
-			 * are enabled.
-			 *
-			 * Check need_resched() again with interrupts disabled
-			 * to avoid a race.
-			 */
-			if (!need_resched())
-				cede_processor();
-			else
-				local_irq_enable();
+		if (need_resched()) {
+			ppc64_runlatch_on();
+			schedule();
 		}
 
-		HMT_medium();
-		lpaca->lppaca.idle = 0;
-		schedule();
 		if (cpu_is_offline(smp_processor_id()) &&
 		    system_state == SYSTEM_RUNNING)
 			cpu_die();
@@ -286,29 +89,10 @@ static int shared_idle(void)
 	return 0;
 }
 
-#endif /* CONFIG_PPC_PSERIES */
-
-static int native_idle(void)
-{
-	while(1) {
-		/* check CPU type here */
-		if (!need_resched())
-			power4_idle();
-		if (need_resched())
-			schedule();
-
-		if (cpu_is_offline(raw_smp_processor_id()) &&
-		    system_state == SYSTEM_RUNNING)
-			cpu_die();
-	}
-	return 0;
-}
-
-#endif /* CONFIG_PPC_ISERIES */
-
 void cpu_idle(void)
 {
-	idle_loop();
+	BUG_ON(NULL == ppc_md.idle_loop);
+	ppc_md.idle_loop();
 }
 
 int powersave_nap;
@@ -342,42 +126,3 @@ register_powersave_nap_sysctl(void)
 }
 __initcall(register_powersave_nap_sysctl);
 #endif
-
-int idle_setup(void)
-{
-	/*
-	 * Move that junk to each platform specific file, eventually define
-	 * a pSeries_idle for shared processor stuff
-	 */
-#ifdef CONFIG_PPC_ISERIES
-	idle_loop = iSeries_idle;
-	return 1;
-#else
-	idle_loop = default_idle;
-#endif
-#ifdef CONFIG_PPC_PSERIES
-	if (systemcfg->platform & PLATFORM_PSERIES) {
-		if (cur_cpu_spec->firmware_features & FW_FEATURE_SPLPAR) {
-			if (get_paca()->lppaca.shared_proc) {
-				printk(KERN_INFO "Using shared processor idle loop\n");
-				idle_loop = shared_idle;
-			} else {
-				printk(KERN_INFO "Using dedicated idle loop\n");
-				idle_loop = dedicated_idle;
-			}
-		} else {
-			printk(KERN_INFO "Using default idle loop\n");
-			idle_loop = default_idle;
-		}
-	}
-#endif /* CONFIG_PPC_PSERIES */
-#ifndef CONFIG_PPC_ISERIES
-	if (systemcfg->platform == PLATFORM_POWERMAC ||
-	    systemcfg->platform == PLATFORM_MAPLE) {
-		printk(KERN_INFO "Using native/NAP idle loop\n");
-		idle_loop = native_idle;
-	}
-#endif /* CONFIG_PPC_ISERIES */
-
-	return 1;
-}
diff --git a/arch/ppc64/kernel/kprobes.c b/arch/ppc64/kernel/kprobes.c
index 1d2ff6d..a3d5195 100644
--- a/arch/ppc64/kernel/kprobes.c
+++ b/arch/ppc64/kernel/kprobes.c
@@ -444,7 +444,7 @@ static struct kprobe trampoline_p = {
 	.pre_handler = trampoline_probe_handler
 };
 
-int __init arch_init(void)
+int __init arch_init_kprobes(void)
 {
 	return register_kprobe(&trampoline_p);
 }
diff --git a/arch/ppc64/kernel/maple_setup.c b/arch/ppc64/kernel/maple_setup.c
index da8900b..bb55b5a 100644
--- a/arch/ppc64/kernel/maple_setup.c
+++ b/arch/ppc64/kernel/maple_setup.c
@@ -177,6 +177,8 @@ void __init maple_setup_arch(void)
 #ifdef CONFIG_DUMMY_CONSOLE
 	conswitchp = &dummy_con;
 #endif
+
+	printk(KERN_INFO "Using native/NAP idle loop\n");
 }
 
 /* 
@@ -297,4 +299,5 @@ struct machdep_calls __initdata maple_md = {
        	.get_rtc_time		= maple_get_rtc_time,
       	.calibrate_decr		= generic_calibrate_decr,
 	.progress		= maple_progress,
+	.idle_loop		= native_idle,
 };
diff --git a/arch/ppc64/kernel/misc.S b/arch/ppc64/kernel/misc.S
index f3dea0c..59f4f99 100644
--- a/arch/ppc64/kernel/misc.S
+++ b/arch/ppc64/kernel/misc.S
@@ -1124,9 +1124,11 @@ _GLOBAL(sys_call_table32)
 	.llong .compat_sys_mq_getsetattr
 	.llong .compat_sys_kexec_load
 	.llong .sys32_add_key
-	.llong .sys32_request_key
+	.llong .sys32_request_key	/* 270 */
 	.llong .compat_sys_keyctl
 	.llong .compat_sys_waitid
+	.llong .sys32_ioprio_set
+	.llong .sys32_ioprio_get
 
 	.balign 8
 _GLOBAL(sys_call_table)
@@ -1403,3 +1405,5 @@ _GLOBAL(sys_call_table)
 	.llong .sys_request_key		/* 270 */
 	.llong .sys_keyctl
 	.llong .sys_waitid
+	.llong .sys_ioprio_set
+	.llong .sys_ioprio_get
diff --git a/arch/ppc64/kernel/of_device.c b/arch/ppc64/kernel/of_device.c
index 66bd5ab7..b80e819 100644
--- a/arch/ppc64/kernel/of_device.c
+++ b/arch/ppc64/kernel/of_device.c
@@ -3,6 +3,7 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/module.h>
+#include <linux/mod_devicetable.h>
 #include <asm/errno.h>
 #include <asm/of_device.h>
 
@@ -15,20 +16,20 @@
  * Used by a driver to check whether an of_device present in the
  * system is in its list of supported devices.
  */
-const struct of_match * of_match_device(const struct of_match *matches,
+const struct of_device_id *of_match_device(const struct of_device_id *matches,
 					const struct of_device *dev)
 {
 	if (!dev->node)
 		return NULL;
-	while (matches->name || matches->type || matches->compatible) {
+	while (matches->name[0] || matches->type[0] || matches->compatible[0]) {
 		int match = 1;
-		if (matches->name && matches->name != OF_ANY_MATCH)
+		if (matches->name[0])
 			match &= dev->node->name
 				&& !strcmp(matches->name, dev->node->name);
-		if (matches->type && matches->type != OF_ANY_MATCH)
+		if (matches->type[0])
 			match &= dev->node->type
 				&& !strcmp(matches->type, dev->node->type);
-		if (matches->compatible && matches->compatible != OF_ANY_MATCH)
+		if (matches->compatible[0])
 			match &= device_is_compatible(dev->node,
 				matches->compatible);
 		if (match)
@@ -42,7 +43,7 @@ static int of_platform_bus_match(struct device *dev, struct device_driver *drv)
 {
 	struct of_device * of_dev = to_of_device(dev);
 	struct of_platform_driver * of_drv = to_of_platform_driver(drv);
-	const struct of_match * matches = of_drv->match_table;
+	const struct of_device_id * matches = of_drv->match_table;
 
 	if (!matches)
 		return 0;
@@ -75,7 +76,7 @@ static int of_device_probe(struct device *dev)
 	int error = -ENODEV;
 	struct of_platform_driver *drv;
 	struct of_device *of_dev;
-	const struct of_match *match;
+	const struct of_device_id *match;
 
 	drv = to_of_platform_driver(dev->driver);
 	of_dev = to_of_device(dev);
diff --git a/arch/ppc64/kernel/pSeries_setup.c b/arch/ppc64/kernel/pSeries_setup.c
index 44d9af7..5bec956 100644
--- a/arch/ppc64/kernel/pSeries_setup.c
+++ b/arch/ppc64/kernel/pSeries_setup.c
@@ -19,6 +19,7 @@
 #undef DEBUG
 
 #include <linux/config.h>
+#include <linux/cpu.h>
 #include <linux/errno.h>
 #include <linux/sched.h>
 #include <linux/kernel.h>
@@ -82,6 +83,9 @@ int fwnmi_active;  /* TRUE if an FWNMI handler is present */
 extern void pSeries_system_reset_exception(struct pt_regs *regs);
 extern int pSeries_machine_check_exception(struct pt_regs *regs);
 
+static int pseries_shared_idle(void);
+static int pseries_dedicated_idle(void);
+
 static volatile void __iomem * chrp_int_ack_special;
 struct mpic *pSeries_mpic;
 
@@ -229,6 +233,20 @@ static void __init pSeries_setup_arch(void)
 
 	if (cur_cpu_spec->firmware_features & FW_FEATURE_SPLPAR)
 		vpa_init(boot_cpuid);
+
+	/* Choose an idle loop */
+	if (cur_cpu_spec->firmware_features & FW_FEATURE_SPLPAR) {
+		if (get_paca()->lppaca.shared_proc) {
+			printk(KERN_INFO "Using shared processor idle loop\n");
+			ppc_md.idle_loop = pseries_shared_idle;
+		} else {
+			printk(KERN_INFO "Using dedicated idle loop\n");
+			ppc_md.idle_loop = pseries_dedicated_idle;
+		}
+	} else {
+		printk(KERN_INFO "Using default idle loop\n");
+		ppc_md.idle_loop = default_idle;
+	}
 }
 
 static int __init pSeries_init_panel(void)
@@ -418,6 +436,144 @@ static int __init pSeries_probe(int platform)
 	return 1;
 }
 
+DECLARE_PER_CPU(unsigned long, smt_snooze_delay);
+
+static inline void dedicated_idle_sleep(unsigned int cpu)
+{
+	struct paca_struct *ppaca = &paca[cpu ^ 1];
+
+	/* Only sleep if the other thread is not idle */
+	if (!(ppaca->lppaca.idle)) {
+		local_irq_disable();
+
+		/*
+		 * We are about to sleep the thread and so wont be polling any
+		 * more.
+		 */
+		clear_thread_flag(TIF_POLLING_NRFLAG);
+
+		/*
+		 * SMT dynamic mode. Cede will result in this thread going
+		 * dormant, if the partner thread is still doing work.  Thread
+		 * wakes up if partner goes idle, an interrupt is presented, or
+		 * a prod occurs.  Returning from the cede enables external
+		 * interrupts.
+		 */
+		if (!need_resched())
+			cede_processor();
+		else
+			local_irq_enable();
+	} else {
+		/*
+		 * Give the HV an opportunity at the processor, since we are
+		 * not doing any work.
+		 */
+		poll_pending();
+	}
+}
+
+static int pseries_dedicated_idle(void)
+{
+	long oldval;
+	struct paca_struct *lpaca = get_paca();
+	unsigned int cpu = smp_processor_id();
+	unsigned long start_snooze;
+	unsigned long *smt_snooze_delay = &__get_cpu_var(smt_snooze_delay);
+
+	while (1) {
+		/*
+		 * Indicate to the HV that we are idle. Now would be
+		 * a good time to find other work to dispatch.
+		 */
+		lpaca->lppaca.idle = 1;
+
+		oldval = test_and_clear_thread_flag(TIF_NEED_RESCHED);
+		if (!oldval) {
+			set_thread_flag(TIF_POLLING_NRFLAG);
+
+			start_snooze = __get_tb() +
+				*smt_snooze_delay * tb_ticks_per_usec;
+
+			while (!need_resched() && !cpu_is_offline(cpu)) {
+				ppc64_runlatch_off();
+
+				/*
+				 * Go into low thread priority and possibly
+				 * low power mode.
+				 */
+				HMT_low();
+				HMT_very_low();
+
+				if (*smt_snooze_delay != 0 &&
+				    __get_tb() > start_snooze) {
+					HMT_medium();
+					dedicated_idle_sleep(cpu);
+				}
+
+			}
+
+			HMT_medium();
+			clear_thread_flag(TIF_POLLING_NRFLAG);
+		} else {
+			set_need_resched();
+		}
+
+		lpaca->lppaca.idle = 0;
+		ppc64_runlatch_on();
+
+		schedule();
+
+		if (cpu_is_offline(cpu) && system_state == SYSTEM_RUNNING)
+			cpu_die();
+	}
+}
+
+static int pseries_shared_idle(void)
+{
+	struct paca_struct *lpaca = get_paca();
+	unsigned int cpu = smp_processor_id();
+
+	while (1) {
+		/*
+		 * Indicate to the HV that we are idle. Now would be
+		 * a good time to find other work to dispatch.
+		 */
+		lpaca->lppaca.idle = 1;
+
+		while (!need_resched() && !cpu_is_offline(cpu)) {
+			local_irq_disable();
+			ppc64_runlatch_off();
+
+			/*
+			 * Yield the processor to the hypervisor.  We return if
+			 * an external interrupt occurs (which are driven prior
+			 * to returning here) or if a prod occurs from another
+			 * processor. When returning here, external interrupts
+			 * are enabled.
+			 *
+			 * Check need_resched() again with interrupts disabled
+			 * to avoid a race.
+			 */
+			if (!need_resched())
+				cede_processor();
+			else
+				local_irq_enable();
+
+			HMT_medium();
+		}
+
+		lpaca->lppaca.idle = 0;
+		ppc64_runlatch_on();
+
+		schedule();
+
+		if (cpu_is_offline(cpu) && system_state == SYSTEM_RUNNING)
+			cpu_die();
+	}
+
+	return 0;
+}
+
 struct machdep_calls __initdata pSeries_md = {
 	.probe			= pSeries_probe,
 	.setup_arch		= pSeries_setup_arch,
diff --git a/arch/ppc64/kernel/pmac_setup.c b/arch/ppc64/kernel/pmac_setup.c
index 6cf03d3..3013cdb 100644
--- a/arch/ppc64/kernel/pmac_setup.c
+++ b/arch/ppc64/kernel/pmac_setup.c
@@ -186,6 +186,8 @@ void __init pmac_setup_arch(void)
 #ifdef CONFIG_DUMMY_CONSOLE
 	conswitchp = &dummy_con;
 #endif
+
+	printk(KERN_INFO "Using native/NAP idle loop\n");
 }
 
 #ifdef CONFIG_SCSI
@@ -507,5 +509,6 @@ struct machdep_calls __initdata pmac_md = {
       	.calibrate_decr		= pmac_calibrate_decr,
 	.feature_call		= pmac_do_feature_call,
 	.progress		= pmac_progress,
-	.check_legacy_ioport	= pmac_check_legacy_ioport
+	.check_legacy_ioport	= pmac_check_legacy_ioport,
+	.idle_loop		= native_idle,
 };
diff --git a/arch/ppc64/kernel/setup.c b/arch/ppc64/kernel/setup.c
index d5e4866..d1b33f0 100644
--- a/arch/ppc64/kernel/setup.c
+++ b/arch/ppc64/kernel/setup.c
@@ -96,7 +96,6 @@ extern void udbg_init_maple_realmode(void);
 extern unsigned long klimit;
 
 extern void mm_init_ppc64(void);
-extern int  idle_setup(void);
 extern void stab_initialize(unsigned long stab);
 extern void htab_initialize(void);
 extern void early_init_devtree(void *flat_dt);
@@ -1081,8 +1080,11 @@ void __init setup_arch(char **cmdline_p)
 
 	ppc_md.setup_arch();
 
-	/* Select the correct idle loop for the platform. */
-	idle_setup();
+	/* Use the default idle loop if the platform hasn't provided one. */
+	if (NULL == ppc_md.idle_loop) {
+		ppc_md.idle_loop = default_idle;
+		printk(KERN_INFO "Using default idle loop\n");
+	}
 
 	paging_init();
 	ppc64_boot_msg(0x15, "Setup Done");
diff --git a/arch/ppc64/kernel/sys_ppc32.c b/arch/ppc64/kernel/sys_ppc32.c
index 118436e..2066190 100644
--- a/arch/ppc64/kernel/sys_ppc32.c
+++ b/arch/ppc64/kernel/sys_ppc32.c
@@ -30,47 +30,26 @@
 #include <linux/sem.h>
 #include <linux/msg.h>
 #include <linux/shm.h>
-#include <linux/slab.h>
-#include <linux/uio.h>
-#include <linux/aio.h>
-#include <linux/nfs_fs.h>
-#include <linux/module.h>
-#include <linux/sunrpc/svc.h>
-#include <linux/nfsd/nfsd.h>
-#include <linux/nfsd/cache.h>
-#include <linux/nfsd/xdr.h>
-#include <linux/nfsd/syscall.h>
 #include <linux/poll.h>
 #include <linux/personality.h>
 #include <linux/stat.h>
-#include <linux/filter.h>
-#include <linux/highmem.h>
-#include <linux/highuid.h>
 #include <linux/mman.h>
-#include <linux/ipv6.h>
 #include <linux/in.h>
-#include <linux/icmpv6.h>
 #include <linux/syscalls.h>
 #include <linux/unistd.h>
 #include <linux/sysctl.h>
 #include <linux/binfmts.h>
-#include <linux/dnotify.h>
 #include <linux/security.h>
 #include <linux/compat.h>
 #include <linux/ptrace.h>
-#include <linux/aio_abi.h>
 #include <linux/elf.h>
 
-#include <net/scm.h>
-#include <net/sock.h>
-
 #include <asm/ptrace.h>
 #include <asm/types.h>
 #include <asm/ipc.h>
 #include <asm/uaccess.h>
 #include <asm/unistd.h>
 #include <asm/semaphore.h>
-#include <asm/ppcdebug.h>
 #include <asm/time.h>
 #include <asm/mmu_context.h>
 #include <asm/systemcfg.h>
@@ -350,8 +329,6 @@ asmlinkage long sys32_adjtimex(struct timex32 __user *utp)
 	return ret;
 }
 
-
-/* These are here just in case some old sparc32 binary calls it. */
 asmlinkage long sys32_pause(void)
 {
 	current->state = TASK_INTERRUPTIBLE;
@@ -360,8 +337,6 @@ asmlinkage long sys32_pause(void)
 	return -ERESTARTNOHAND;
 }
 
-
-
 static inline long get_ts32(struct timespec *o, struct compat_timeval __user *i)
 {
 	long usec;
@@ -847,16 +822,6 @@ asmlinkage long sys32_getpgid(u32 pid)
 }
 
 
-/* Note: it is necessary to treat which and who as unsigned ints,
- * with the corresponding cast to a signed int to insure that the 
- * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode)
- * and the register representation of a signed int (msr in 64-bit mode) is performed.
- */
-asmlinkage long sys32_getpriority(u32 which, u32 who)
-{
-	return sys_getpriority((int)which, (int)who);
-}
-
 
 /* Note: it is necessary to treat pid as an unsigned int,
  * with the corresponding cast to a signed int to insure that the 
@@ -1048,6 +1013,11 @@ asmlinkage long sys32_setpgid(u32 pid, u32 pgid)
 	return sys_setpgid((int)pid, (int)pgid);
 }
 
+long sys32_getpriority(u32 which, u32 who)
+{
+	/* sign extend which and who */
+	return sys_getpriority((int)which, (int)who);
+}
 
 long sys32_setpriority(u32 which, u32 who, u32 niceval)
 {
@@ -1055,6 +1025,18 @@ long sys32_setpriority(u32 which, u32 who, u32 niceval)
 	return sys_setpriority((int)which, (int)who, (int)niceval);
 }
 
+long sys32_ioprio_get(u32 which, u32 who)
+{
+	/* sign extend which and who */
+	return sys_ioprio_get((int)which, (int)who);
+}
+
+long sys32_ioprio_set(u32 which, u32 who, u32 ioprio)
+{
+	/* sign extend which, who and ioprio */
+	return sys_ioprio_set((int)which, (int)who, (int)ioprio);
+}
+
 /* Note: it is necessary to treat newmask as an unsigned int,
  * with the corresponding cast to a signed int to insure that the 
  * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode)
@@ -1273,8 +1255,6 @@ long ppc32_fadvise64_64(int fd, int advice, u32 offset_high, u32 offset_low,
 			     (u64)len_high << 32 | len_low, advice);
 }
 
-extern asmlinkage long sys_timer_create(clockid_t, sigevent_t __user *, timer_t __user *);
-
 long ppc32_timer_create(clockid_t clock,
 			struct compat_sigevent __user *ev32,
 			timer_t __user *timer_id)
diff --git a/arch/ppc64/kernel/sysfs.c b/arch/ppc64/kernel/sysfs.c
index 2f704a2..02b8ac4 100644
--- a/arch/ppc64/kernel/sysfs.c
+++ b/arch/ppc64/kernel/sysfs.c
@@ -112,7 +112,6 @@ void ppc64_enable_pmcs(void)
 	unsigned long hid0;
 #ifdef CONFIG_PPC_PSERIES
 	unsigned long set, reset;
-	int ret;
 #endif /* CONFIG_PPC_PSERIES */
 
 	/* Only need to enable them once */
@@ -145,11 +144,7 @@ void ppc64_enable_pmcs(void)
 	case PLATFORM_PSERIES_LPAR:
 		set = 1UL << 63;
 		reset = 0;
-		ret = plpar_hcall_norets(H_PERFMON, set, reset);
-		if (ret)
-			printk(KERN_ERR "H_PERFMON call on cpu %u "
-			       "returned %d\n",
-			       smp_processor_id(), ret);
+		plpar_hcall_norets(H_PERFMON, set, reset);
 		break;
 #endif /* CONFIG_PPC_PSERIES */
 
@@ -161,13 +156,6 @@ void ppc64_enable_pmcs(void)
 	/* instruct hypervisor to maintain PMCs */
 	if (cur_cpu_spec->firmware_features & FW_FEATURE_SPLPAR)
 		get_paca()->lppaca.pmcregs_in_use = 1;
-
-	/*
-	 * On SMT machines we have to set the run latch in the ctrl register
-	 * in order to make PMC6 spin.
-	 */
-	if (cpu_has_feature(CPU_FTR_SMT))
-		ppc64_runlatch_on();
 #endif /* CONFIG_PPC_PSERIES */
 }
 
diff --git a/arch/ppc64/kernel/vdso32/vdso32.lds.S b/arch/ppc64/kernel/vdso32/vdso32.lds.S
index 11290c9..6f87a91 100644
--- a/arch/ppc64/kernel/vdso32/vdso32.lds.S
+++ b/arch/ppc64/kernel/vdso32/vdso32.lds.S
@@ -40,9 +40,9 @@ SECTIONS
   .gcc_except_table	: { *(.gcc_except_table) }
   .fixup		: { *(.fixup) }
 
-  .got ALIGN(4)		: { *(.got.plt) *(.got) }
-
   .dynamic		: { *(.dynamic) }		:text	:dynamic
+  .got : { *(.got) }
+  .plt : { *(.plt) }
 
   _end = .;
   __end = .;