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

10 files changed, 62 insertions, 22 deletions

diff --git a/include/asm-sparc64/dma-mapping.h b/include/asm-sparc64/dma-mapping.h
index a72a5f271f3..1fc655452b8 100644
--- a/include/asm-sparc64/dma-mapping.h
+++ b/include/asm-sparc64/dma-mapping.h
@@ -108,6 +108,25 @@ static inline void dma_sync_single_for_device(struct device *dev,
 	dma_ops->sync_single_for_device(dev, dma_handle, size, direction);
 }
 
+static inline void dma_sync_single_range_for_cpu(struct device *dev,
+						 dma_addr_t dma_handle,
+						 unsigned long offset,
+						 size_t size,
+						 enum dma_data_direction direction)
+{
+	dma_sync_single_for_cpu(dev, dma_handle+offset, size, direction);
+}
+
+static inline void dma_sync_single_range_for_device(struct device *dev,
+						    dma_addr_t dma_handle,
+						    unsigned long offset,
+						    size_t size,
+						    enum dma_data_direction direction)
+{
+	dma_sync_single_for_device(dev, dma_handle+offset, size, direction);
+}
+
+
 static inline void dma_sync_sg_for_cpu(struct device *dev,
 				       struct scatterlist *sg, int nelems,
 				       enum dma_data_direction direction)
diff --git a/include/asm-sparc64/elf.h b/include/asm-sparc64/elf.h
index 303d85e2f82..8653e866500 100644
--- a/include/asm-sparc64/elf.h
+++ b/include/asm-sparc64/elf.h
@@ -70,6 +70,7 @@
 #define HWCAP_SPARC_V9		16
 #define HWCAP_SPARC_ULTRA3	32
 #define HWCAP_SPARC_BLKINIT	64
+#define HWCAP_SPARC_N2		128
 
 /*
  * These are used to set parameters in the core dumps.
@@ -155,8 +156,13 @@ static inline unsigned int sparc64_elf_hwcap(void)
 
 	if (tlb_type == cheetah || tlb_type == cheetah_plus)
 		cap |= HWCAP_SPARC_ULTRA3;
-	else if (tlb_type == hypervisor)
-		cap |= HWCAP_SPARC_BLKINIT;
+	else if (tlb_type == hypervisor) {
+		if (sun4v_chip_type == SUN4V_CHIP_NIAGARA1 ||
+		    sun4v_chip_type == SUN4V_CHIP_NIAGARA2)
+			cap |= HWCAP_SPARC_BLKINIT;
+		if (sun4v_chip_type == SUN4V_CHIP_NIAGARA2)
+			cap |= HWCAP_SPARC_N2;
+	}
 
 	return cap;
 }
diff --git a/include/asm-sparc64/fcntl.h b/include/asm-sparc64/fcntl.h
index b2aecf0054b..111f6b3b892 100644
--- a/include/asm-sparc64/fcntl.h
+++ b/include/asm-sparc64/fcntl.h
@@ -16,7 +16,7 @@
 #define O_LARGEFILE	0x40000
 #define O_DIRECT        0x100000 /* direct disk access hint */
 #define O_NOATIME	0x200000
-
+#define O_CLOEXEC	0x400000
 
 #define F_GETOWN	5	/*  for sockets. */
 #define F_SETOWN	6	/*  for sockets. */
diff --git a/include/asm-sparc64/oplib.h b/include/asm-sparc64/oplib.h
index 3f23c5dc5f2..86dc5c018a1 100644
--- a/include/asm-sparc64/oplib.h
+++ b/include/asm-sparc64/oplib.h
@@ -1,8 +1,7 @@
-/* $Id: oplib.h,v 1.14 2001/12/19 00:29:51 davem Exp $
- * oplib.h:  Describes the interface and available routines in the
+/* oplib.h:  Describes the interface and available routines in the
  *           Linux Prom library.
  *
- * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
+ * Copyright (C) 1995, 2007 David S. Miller (davem@davemloft.net)
  * Copyright (C) 1996 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
  */
 
@@ -31,8 +30,10 @@ extern int prom_chosen_node;
 extern const char prom_peer_name[];
 extern const char prom_compatible_name[];
 extern const char prom_root_compatible[];
+extern const char prom_cpu_compatible[];
 extern const char prom_finddev_name[];
 extern const char prom_chosen_path[];
+extern const char prom_cpu_path[];
 extern const char prom_getprop_name[];
 extern const char prom_mmu_name[];
 extern const char prom_callmethod_name[];
diff --git a/include/asm-sparc64/percpu.h b/include/asm-sparc64/percpu.h
index caf8750792f..a1f53a4da40 100644
--- a/include/asm-sparc64/percpu.h
+++ b/include/asm-sparc64/percpu.h
@@ -3,6 +3,8 @@
 
 #include <linux/compiler.h>
 
+register unsigned long __local_per_cpu_offset asm("g5");
+
 #ifdef CONFIG_SMP
 
 #define setup_per_cpu_areas()			do { } while (0)
@@ -23,8 +25,6 @@ extern unsigned long __per_cpu_shift;
     __typeof__(type) per_cpu__##name				\
     ____cacheline_aligned_in_smp
 
-register unsigned long __local_per_cpu_offset asm("g5");
-
 /* var is in discarded region: offset to particular copy we want */
 #define per_cpu(var, cpu) (*RELOC_HIDE(&per_cpu__##var, __per_cpu_offset(cpu)))
 #define __get_cpu_var(var) (*RELOC_HIDE(&per_cpu__##var, __local_per_cpu_offset))
diff --git a/include/asm-sparc64/prom.h b/include/asm-sparc64/prom.h
index 31dcb92fbae..07843f9f05d 100644
--- a/include/asm-sparc64/prom.h
+++ b/include/asm-sparc64/prom.h
@@ -76,6 +76,7 @@ extern int of_set_property(struct device_node *node, const char *name, void *val
 extern int of_getintprop_default(struct device_node *np,
 				 const char *name,
 				 int def);
+extern int of_find_in_proplist(const char *list, const char *match, int len);
 
 extern void prom_build_devicetree(void);
 
diff --git a/include/asm-sparc64/sfp-machine.h b/include/asm-sparc64/sfp-machine.h
index 89d42431efb..c9331b02d9c 100644
--- a/include/asm-sparc64/sfp-machine.h
+++ b/include/asm-sparc64/sfp-machine.h
@@ -88,4 +88,6 @@
 
 #define FP_INHIBIT_RESULTS ((current_thread_info()->xfsr[0] >> 23) & _fex)
 
+#define FP_TRAPPING_EXCEPTIONS ((current_thread_info()->xfsr[0] >> 23) & 0x1f)
+
 #endif
diff --git a/include/asm-sparc64/spitfire.h b/include/asm-sparc64/spitfire.h
index 23ad8a7987a..cf7807813e8 100644
--- a/include/asm-sparc64/spitfire.h
+++ b/include/asm-sparc64/spitfire.h
@@ -38,6 +38,11 @@
 
 #define L1DCACHE_SIZE		0x4000
 
+#define SUN4V_CHIP_INVALID	0x00
+#define SUN4V_CHIP_NIAGARA1	0x01
+#define SUN4V_CHIP_NIAGARA2	0x02
+#define SUN4V_CHIP_UNKNOWN	0xff
+
 #ifndef __ASSEMBLY__
 
 enum ultra_tlb_layout {
@@ -49,6 +54,8 @@ enum ultra_tlb_layout {
 
 extern enum ultra_tlb_layout tlb_type;
 
+extern int sun4v_chip_type;
+
 extern int cheetah_pcache_forced_on;
 extern void cheetah_enable_pcache(void);
 
diff --git a/include/asm-sparc64/system.h b/include/asm-sparc64/system.h
index 64891cb10f0..3f175fa7e6d 100644
--- a/include/asm-sparc64/system.h
+++ b/include/asm-sparc64/system.h
@@ -141,7 +141,6 @@ do {						\
 	 * not preserve it's value.  Hairy, but it lets us remove 2 loads
 	 * and 2 stores in this critical code path.  -DaveM
 	 */
-#define EXTRA_CLOBBER ,"%l1"
 #define switch_to(prev, next, last)					\
 do {	if (test_thread_flag(TIF_PERFCTR)) {				\
 		unsigned long __tmp;					\
@@ -164,33 +163,34 @@ do {	if (test_thread_flag(TIF_PERFCTR)) {				\
 	"stx	%%i6, [%%sp + 2047 + 0x70]\n\t"				\
 	"stx	%%i7, [%%sp + 2047 + 0x78]\n\t"				\
 	"rdpr	%%wstate, %%o5\n\t"					\
-	"stx	%%o6, [%%g6 + %3]\n\t"					\
-	"stb	%%o5, [%%g6 + %2]\n\t"					\
-	"rdpr	%%cwp, %%o5\n\t"					\
+	"stx	%%o6, [%%g6 + %6]\n\t"					\
 	"stb	%%o5, [%%g6 + %5]\n\t"					\
-	"mov	%1, %%g6\n\t"						\
-	"ldub	[%1 + %5], %%g1\n\t"					\
+	"rdpr	%%cwp, %%o5\n\t"					\
+	"stb	%%o5, [%%g6 + %8]\n\t"					\
+	"mov	%4, %%g6\n\t"						\
+	"ldub	[%4 + %8], %%g1\n\t"					\
 	"wrpr	%%g1, %%cwp\n\t"					\
-	"ldx	[%%g6 + %3], %%o6\n\t"					\
-	"ldub	[%%g6 + %2], %%o5\n\t"					\
-	"ldub	[%%g6 + %4], %%o7\n\t"					\
+	"ldx	[%%g6 + %6], %%o6\n\t"					\
+	"ldub	[%%g6 + %5], %%o5\n\t"					\
+	"ldub	[%%g6 + %7], %%o7\n\t"					\
 	"wrpr	%%o5, 0x0, %%wstate\n\t"				\
 	"ldx	[%%sp + 2047 + 0x70], %%i6\n\t"				\
 	"ldx	[%%sp + 2047 + 0x78], %%i7\n\t"				\
-	"ldx	[%%g6 + %6], %%g4\n\t"					\
+	"ldx	[%%g6 + %9], %%g4\n\t"					\
 	"brz,pt %%o7, 1f\n\t"						\
 	" mov	%%g7, %0\n\t"						\
 	"b,a ret_from_syscall\n\t"					\
 	"1:\n\t"							\
-	: "=&r" (last)							\
+	: "=&r" (last), "=r" (current), "=r" (current_thread_info_reg),	\
+	  "=r" (__local_per_cpu_offset)					\
 	: "0" (task_thread_info(next)),					\
 	  "i" (TI_WSTATE), "i" (TI_KSP), "i" (TI_NEW_CHILD),            \
 	  "i" (TI_CWP), "i" (TI_TASK)					\
 	: "cc",								\
 	        "g1", "g2", "g3",                   "g7",		\
-	              "l2", "l3", "l4", "l5", "l6", "l7",		\
+	        "l1", "l2", "l3", "l4", "l5", "l6", "l7",		\
 	  "i0", "i1", "i2", "i3", "i4", "i5",				\
-	  "o0", "o1", "o2", "o3", "o4", "o5",       "o7" EXTRA_CLOBBER);\
+	  "o0", "o1", "o2", "o3", "o4", "o5",       "o7");		\
 	/* If you fuck with this, update ret_from_syscall code too. */	\
 	if (test_thread_flag(TIF_PERFCTR)) {				\
 		write_pcr(current_thread_info()->pcr_reg);		\
diff --git a/include/asm-sparc64/xor.h b/include/asm-sparc64/xor.h
index 8ce3f1813e2..a0233884fc9 100644
--- a/include/asm-sparc64/xor.h
+++ b/include/asm-sparc64/xor.h
@@ -63,4 +63,8 @@ static struct xor_block_template xor_block_niagara = {
 
 /* For VIS for everything except Niagara.  */
 #define XOR_SELECT_TEMPLATE(FASTEST) \
-	(tlb_type == hypervisor ? &xor_block_niagara : &xor_block_VIS)
+	((tlb_type == hypervisor && \
+	  (sun4v_chip_type == SUN4V_CHIP_NIAGARA1 || \
+	   sun4v_chip_type == SUN4V_CHIP_NIAGARA2)) ? \
+	 &xor_block_niagara : \
+	 &xor_block_VIS)