Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus

Pull MIPS update from Ralf Baechle:
 - Fix a build error if <linux/printk.h> is included without
   <linux/linkage.h> having been included before.
 - Cleanup and fix the damage done by the generic idle loop patch.
 - A kprobes fix that brings the MIPS code in line with what other
   architectures are for quite a while already.
 - Wire up the native getdents64(2) syscall for 64 bit - for some reason
   it was only for the compat ABIs.  This has been reported to cause an
   application issue.  This turned out bigger than I meant but the wait
   instruction support code was driving me nuts.

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
  MIPS: N64: Wire getdents64(2)
  kprobes/mips: Fix to check double free of insn slot
  MIPS: Idle: Break r4k_wait into two functions and fix it.
  MIPS: Idle: Do address fiddlery in helper functions.
  MIPS: Idle: Consolidate all declarations in <asm/idle.h>.
  MIPS: Idle: Don't call local_irq_disable() in cpu_wait() implementations.
  MIPS: Idle: Re-enable irqs at the end of r3081, au1k and loongson2 cpu_wait.
  MIPS: Idle: Make call of function pointer readable.
  MIPS: Idle: Consistently reformat inline assembler.
  MIPS: Idle: cleaup SMTC idle hook as per Linux coding style.
  MIPS: Consolidate idle loop / WAIT instruction support in a single file.
  MIPS: clock.h: Remove declaration of cpu_wait.
  Add include dependencies to <linux/printk.h>.
  MIPS: Rewrite pfn_valid to work in modules, too.

5 files changed, 33 insertions, 13 deletions

diff --git a/arch/mips/include/asm/clock.h b/arch/mips/include/asm/clock.h
index c9456e7a7283..778e32d817bc 100644
--- a/arch/mips/include/asm/clock.h
+++ b/arch/mips/include/asm/clock.h
@@ -6,8 +6,6 @@
 #include <linux/seq_file.h>
 #include <linux/clk.h>
 
-extern void (*cpu_wait) (void);
-
 struct clk;
 
 struct clk_ops {
diff --git a/arch/mips/include/asm/idle.h b/arch/mips/include/asm/idle.h
new file mode 100644
index 000000000000..d192158886b1
--- /dev/null
+++ b/arch/mips/include/asm/idle.h
@@ -0,0 +1,23 @@
+#ifndef __ASM_IDLE_H
+#define __ASM_IDLE_H
+
+#include <linux/linkage.h>
+
+extern void (*cpu_wait)(void);
+extern void r4k_wait(void);
+extern asmlinkage void __r4k_wait(void);
+extern void r4k_wait_irqoff(void);
+extern void __pastwait(void);
+
+static inline int using_rollback_handler(void)
+{
+	return cpu_wait == r4k_wait;
+}
+
+static inline int address_is_in_r4k_wait_irqoff(unsigned long addr)
+{
+	return addr >= (unsigned long)r4k_wait_irqoff &&
+	       addr < (unsigned long)__pastwait;
+}
+
+#endif /* __ASM_IDLE_H  */
diff --git a/arch/mips/include/asm/page.h b/arch/mips/include/asm/page.h
index ec1ca537fbc1..f59552fae917 100644
--- a/arch/mips/include/asm/page.h
+++ b/arch/mips/include/asm/page.h
@@ -171,14 +171,13 @@ typedef struct { unsigned long pgprot; } pgprot_t;
 
 #ifdef CONFIG_FLATMEM
 
-#define pfn_valid(pfn)							\
-({									\
-	unsigned long __pfn = (pfn);					\
-	/* avoid <linux/bootmem.h> include hell */			\
-	extern unsigned long min_low_pfn;				\
-									\
-	__pfn >= min_low_pfn && __pfn < max_mapnr;			\
-})
+static inline int pfn_valid(unsigned long pfn)
+{
+	/* avoid <linux/mm.h> include hell */
+	extern unsigned long max_mapnr;
+
+	return pfn >= ARCH_PFN_OFFSET && pfn < max_mapnr;
+}
 
 #elif defined(CONFIG_SPARSEMEM)
 
diff --git a/arch/mips/include/asm/processor.h b/arch/mips/include/asm/processor.h
index 71686c897dea..1470b7b68b0e 100644
--- a/arch/mips/include/asm/processor.h
+++ b/arch/mips/include/asm/processor.h
@@ -28,7 +28,6 @@
 /*
  * System setup and hardware flags..
  */
-extern void (*cpu_wait)(void);
 
 extern unsigned int vced_count, vcei_count;
 
diff --git a/arch/mips/include/uapi/asm/unistd.h b/arch/mips/include/uapi/asm/unistd.h
index 16338b84fa79..1dee279f9665 100644
--- a/arch/mips/include/uapi/asm/unistd.h
+++ b/arch/mips/include/uapi/asm/unistd.h
@@ -694,16 +694,17 @@
 #define __NR_process_vm_writev		(__NR_Linux + 305)
 #define __NR_kcmp			(__NR_Linux + 306)
 #define __NR_finit_module		(__NR_Linux + 307)
+#define __NR_getdents64			(__NR_Linux + 308)
 
 /*
  * Offset of the last Linux 64-bit flavoured syscall
  */
-#define __NR_Linux_syscalls		307
+#define __NR_Linux_syscalls		308
 
 #endif /* _MIPS_SIM == _MIPS_SIM_ABI64 */
 
 #define __NR_64_Linux			5000
-#define __NR_64_Linux_syscalls		307
+#define __NR_64_Linux_syscalls		308
 
 #if _MIPS_SIM == _MIPS_SIM_NABI32