Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6

* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6:
  [SPARC64]: Warn user if cpu is ignored.
  [SPARC64]: Fix lockdep, particularly on SMP.
  [SPARC64]: Update defconfig.

6 files changed, 73 insertions, 39 deletions

diff --git a/arch/sparc64/defconfig b/arch/sparc64/defconfig
index 68338a601f70..7d07297db878 100644
--- a/arch/sparc64/defconfig
+++ b/arch/sparc64/defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.23-rc1
-# Sun Jul 22 19:24:37 2007
+# Linux kernel version: 2.6.23-rc6
+# Sun Sep 16 09:52:11 2007
 #
 CONFIG_SPARC=y
 CONFIG_SPARC64=y
@@ -32,15 +32,11 @@ CONFIG_HZ=100
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
 #
-# Code maturity level options
+# General setup
 #
 CONFIG_EXPERIMENTAL=y
 CONFIG_BROKEN_ON_SMP=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
-
-#
-# General setup
-#
 CONFIG_LOCALVERSION=""
 # CONFIG_LOCALVERSION_AUTO is not set
 CONFIG_SWAP=y
@@ -555,6 +551,7 @@ CONFIG_E1000_NAPI=y
 # CONFIG_SIS190 is not set
 # CONFIG_SKGE is not set
 # CONFIG_SKY2 is not set
+# CONFIG_SK98LIN is not set
 # CONFIG_VIA_VELOCITY is not set
 CONFIG_TIGON3=m
 CONFIG_BNX2=m
@@ -809,6 +806,7 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_SMSC47M1 is not set
 # CONFIG_SENSORS_SMSC47M192 is not set
 # CONFIG_SENSORS_SMSC47B397 is not set
+# CONFIG_SENSORS_THMC50 is not set
 # CONFIG_SENSORS_VIA686A is not set
 # CONFIG_SENSORS_VT1211 is not set
 # CONFIG_SENSORS_VT8231 is not set
@@ -1162,10 +1160,6 @@ CONFIG_USB_STORAGE=m
 # CONFIG_MMC is not set
 # CONFIG_NEW_LEDS is not set
 # CONFIG_INFINIBAND is not set
-
-#
-# Real Time Clock
-#
 # CONFIG_RTC_CLASS is not set
 
 #
diff --git a/arch/sparc64/kernel/head.S b/arch/sparc64/kernel/head.S
index 63144ad476f6..c4147ad8677b 100644
--- a/arch/sparc64/kernel/head.S
+++ b/arch/sparc64/kernel/head.S
@@ -98,7 +98,7 @@ sparc64_boot:
 	.globl	prom_boot_mapped_pc, prom_boot_mapping_mode
 	.globl	prom_boot_mapping_phys_high, prom_boot_mapping_phys_low
 	.globl	prom_compatible_name, prom_cpu_path, prom_cpu_compatible
-	.globl	is_sun4v, sun4v_chip_type
+	.globl	is_sun4v, sun4v_chip_type, prom_set_trap_table_name
 prom_peer_name:
 	.asciz	"peer"
 prom_compatible_name:
@@ -121,6 +121,8 @@ prom_map_name:
 	.asciz	"map"
 prom_unmap_name:
 	.asciz	"unmap"
+prom_set_trap_table_name:
+	.asciz	"SUNW,set-trap-table"
 prom_sun4v_name:
 	.asciz	"sun4v"
 prom_niagara_prefix:
@@ -691,15 +693,38 @@ setup_trap_table:
 	sethi	%hi(kern_base), %g3
 	ldx	[%g3 + %lo(kern_base)], %g3
 	add	%g2, %g3, %o1
+	sethi	%hi(sparc64_ttable_tl0), %o0
 
-	call	prom_set_trap_table_sun4v
-	 sethi	%hi(sparc64_ttable_tl0), %o0
+	set	prom_set_trap_table_name, %g2
+	stx	%g2, [%sp + 2047 + 128 + 0x00]
+	mov	2, %g2
+	stx	%g2, [%sp + 2047 + 128 + 0x08]
+	mov	0, %g2
+	stx	%g2, [%sp + 2047 + 128 + 0x10]
+	stx	%o0, [%sp + 2047 + 128 + 0x18]
+	stx	%o1, [%sp + 2047 + 128 + 0x20]
+	sethi	%hi(p1275buf), %g2
+	or	%g2, %lo(p1275buf), %g2
+	ldx	[%g2 + 0x08], %o1
+	call	%o1
+	 add	%sp, (2047 + 128), %o0
 
 	ba,pt	%xcc, 2f
 	 nop
 
-1:	call	prom_set_trap_table
-	 sethi	%hi(sparc64_ttable_tl0), %o0
+1:	sethi	%hi(sparc64_ttable_tl0), %o0
+	set	prom_set_trap_table_name, %g2
+	stx	%g2, [%sp + 2047 + 128 + 0x00]
+	mov	1, %g2
+	stx	%g2, [%sp + 2047 + 128 + 0x08]
+	mov	0, %g2
+	stx	%g2, [%sp + 2047 + 128 + 0x10]
+	stx	%o0, [%sp + 2047 + 128 + 0x18]
+	sethi	%hi(p1275buf), %g2
+	or	%g2, %lo(p1275buf), %g2
+	ldx	[%g2 + 0x08], %o1
+	call	%o1
+	 add	%sp, (2047 + 128), %o0
 
 	/* Start using proper page size encodings in ctx register.  */
 2:	sethi	%hi(sparc64_kern_pri_context), %g3
diff --git a/arch/sparc64/kernel/mdesc.c b/arch/sparc64/kernel/mdesc.c
index 9f22e4ff6015..856659bb1311 100644
--- a/arch/sparc64/kernel/mdesc.c
+++ b/arch/sparc64/kernel/mdesc.c
@@ -777,8 +777,12 @@ void __devinit mdesc_fill_in_cpu_data(cpumask_t mask)
 		cpuid = *id;
 
 #ifdef CONFIG_SMP
-		if (cpuid >= NR_CPUS)
+		if (cpuid >= NR_CPUS) {
+			printk(KERN_WARNING "Ignoring CPU %d which is "
+			       ">= NR_CPUS (%d)\n",
+			       cpuid, NR_CPUS);
 			continue;
+		}
 		if (!cpu_isset(cpuid, mask))
 			continue;
 #else
diff --git a/arch/sparc64/kernel/prom.c b/arch/sparc64/kernel/prom.c
index d1a78c976cef..0614dff63d7c 100644
--- a/arch/sparc64/kernel/prom.c
+++ b/arch/sparc64/kernel/prom.c
@@ -1583,8 +1583,12 @@ static void __init of_fill_in_cpu_data(void)
 		ncpus_probed++;
 
 #ifdef CONFIG_SMP
-		if (cpuid >= NR_CPUS)
+		if (cpuid >= NR_CPUS) {
+			printk(KERN_WARNING "Ignoring CPU %d which is "
+			       ">= NR_CPUS (%d)\n",
+			       cpuid, NR_CPUS);
 			continue;
+		}
 #else
 		/* On uniprocessor we only want the values for the
 		 * real physical cpu the kernel booted onto, however
diff --git a/arch/sparc64/kernel/trampoline.S b/arch/sparc64/kernel/trampoline.S
index 9533a25ce5d2..04e81dda13d0 100644
--- a/arch/sparc64/kernel/trampoline.S
+++ b/arch/sparc64/kernel/trampoline.S
@@ -345,7 +345,7 @@ after_lock_tlb:
 	sethi		%hi(tramp_stack), %g1
 	or		%g1, %lo(tramp_stack), %g1
 	add		%g1, TRAMP_STACK_SIZE, %g1
-	sub		%g1, STACKFRAME_SZ + STACK_BIAS, %sp
+	sub		%g1, STACKFRAME_SZ + STACK_BIAS + 256, %sp
 	mov		0, %fp
 
 	/* Put garbage in these registers to trap any access to them.  */
@@ -411,15 +411,38 @@ after_lock_tlb:
 	sethi		%hi(kern_base), %g3
 	ldx		[%g3 + %lo(kern_base)], %g3
 	add		%g2, %g3, %o1
+	sethi		%hi(sparc64_ttable_tl0), %o0
 
-	call		prom_set_trap_table_sun4v
-	 sethi		%hi(sparc64_ttable_tl0), %o0
+	set		prom_set_trap_table_name, %g2
+	stx		%g2, [%sp + 2047 + 128 + 0x00]
+	mov		2, %g2
+	stx		%g2, [%sp + 2047 + 128 + 0x08]
+	mov		0, %g2
+	stx		%g2, [%sp + 2047 + 128 + 0x10]
+	stx		%o0, [%sp + 2047 + 128 + 0x18]
+	stx		%o1, [%sp + 2047 + 128 + 0x20]
+	sethi		%hi(p1275buf), %g2
+	or		%g2, %lo(p1275buf), %g2
+	ldx		[%g2 + 0x08], %o1
+	call		%o1
+	 add		%sp, (2047 + 128), %o0
 
 	ba,pt		%xcc, 2f
 	 nop
 
-1:	call		prom_set_trap_table
-	 sethi		%hi(sparc64_ttable_tl0), %o0
+1:	sethi		%hi(sparc64_ttable_tl0), %o0
+	set		prom_set_trap_table_name, %g2
+	stx		%g2, [%sp + 2047 + 128 + 0x00]
+	mov		1, %g2
+	stx		%g2, [%sp + 2047 + 128 + 0x08]
+	mov		0, %g2
+	stx		%g2, [%sp + 2047 + 128 + 0x10]
+	stx		%o0, [%sp + 2047 + 128 + 0x18]
+	sethi		%hi(p1275buf), %g2
+	or		%g2, %lo(p1275buf), %g2
+	ldx		[%g2 + 0x08], %o1
+	call		%o1
+	 add		%sp, (2047 + 128), %o0
 
 2:	ldx		[%l0], %g6
 	ldx		[%g6 + TI_TASK], %g4
diff --git a/arch/sparc64/prom/misc.c b/arch/sparc64/prom/misc.c
index 68c83ad04ad9..bbec7522826c 100644
--- a/arch/sparc64/prom/misc.c
+++ b/arch/sparc64/prom/misc.c
@@ -143,22 +143,6 @@ unsigned char prom_get_idprom(char *idbuf, int num_bytes)
 	return 0xff;
 }
 
-/* Install Linux trap table so PROM uses that instead of its own. */
-void prom_set_trap_table(unsigned long tba)
-{
-	p1275_cmd("SUNW,set-trap-table",
-		  (P1275_ARG(0, P1275_ARG_IN_64B) |
-		   P1275_INOUT(1, 0)), tba);
-}
-
-void prom_set_trap_table_sun4v(unsigned long tba, unsigned long mmfsa)
-{
-	p1275_cmd("SUNW,set-trap-table",
-		  (P1275_ARG(0, P1275_ARG_IN_64B) |
-		   P1275_ARG(1, P1275_ARG_IN_64B) |
-		   P1275_INOUT(2, 0)), tba, mmfsa);
-}
-
 int prom_get_mmu_ihandle(void)
 {
 	int node, ret;