Merge branch 'pending-misc' (early part) into devel

5 files changed, 40 insertions, 8 deletions

diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h
index fd03fb63a332..9fd6d3ab68c0 100644
--- a/arch/arm/include/asm/cacheflush.h
+++ b/arch/arm/include/asm/cacheflush.h
@@ -331,15 +331,15 @@ static inline void outer_flush_range(unsigned long start, unsigned long end)
  * Convert calls to our calling convention.
  */
 #define flush_cache_all()               __cpuc_flush_kern_all()
-#ifndef CONFIG_CPU_CACHE_VIPT
-static inline void flush_cache_mm(struct mm_struct *mm)
+
+static inline void vivt_flush_cache_mm(struct mm_struct *mm)
 {
         if (cpumask_test_cpu(smp_processor_id(), mm_cpumask(mm)))
                 __cpuc_flush_user_all();
 }
 
 static inline void
-flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned long end)
+vivt_flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned long end)
 {
         if (cpumask_test_cpu(smp_processor_id(), mm_cpumask(vma->vm_mm)))
                 __cpuc_flush_user_range(start & PAGE_MASK, PAGE_ALIGN(end),
@@ -347,7 +347,7 @@ flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned long
 }
 
 static inline void
-flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr, unsigned long pfn)
+vivt_flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr, unsigned long pfn)
 {
         if (cpumask_test_cpu(smp_processor_id(), mm_cpumask(vma->vm_mm))) {
                 unsigned long addr = user_addr & PAGE_MASK;
@@ -356,7 +356,7 @@ flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr, unsigned l
 }
 
 static inline void
-flush_ptrace_access(struct vm_area_struct *vma, struct page *page,
+vivt_flush_ptrace_access(struct vm_area_struct *vma, struct page *page,
                          unsigned long uaddr, void *kaddr,
                          unsigned long len, int write)
 {
@@ -365,6 +365,16 @@ flush_ptrace_access(struct vm_area_struct *vma, struct page *page,
                 __cpuc_coherent_kern_range(addr, addr + len);
         }
 }
+
+#ifndef CONFIG_CPU_CACHE_VIPT
+#define flush_cache_mm(mm) \
+                vivt_flush_cache_mm(mm)
+#define flush_cache_range(vma,start,end) \
+                vivt_flush_cache_range(vma,start,end)
+#define flush_cache_page(vma,addr,pfn) \
+                vivt_flush_cache_page(vma,addr,pfn)
+#define flush_ptrace_access(vma,page,ua,ka,len,write) \
+                vivt_flush_ptrace_access(vma,page,ua,ka,len,write)
 #else
 extern void flush_cache_mm(struct mm_struct *mm);
 extern void flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned long end);
@@ -410,13 +420,16 @@ extern void flush_ptrace_access(struct vm_area_struct *vma, struct page *page,
  */
 extern void flush_dcache_page(struct page *);
 
-extern void __flush_dcache_page(struct address_space *mapping, struct page *page);
-
 static inline void __flush_icache_all(void)
 {
+#ifdef CONFIG_ARM_ERRATA_411920
+        extern void v6_icache_inval_all(void);
+        v6_icache_inval_all();
+#else
         asm("mcr        p15, 0, %0, c7, c5, 0   @ invalidate I-cache\n"
             :
             : "r" (0));
+#endif
 }
 
 #define ARCH_HAS_FLUSH_ANON_PAGE
diff --git a/arch/arm/include/asm/elf.h b/arch/arm/include/asm/elf.h
index c3b911ee9151..6aac3f5bb2f3 100644
--- a/arch/arm/include/asm/elf.h
+++ b/arch/arm/include/asm/elf.h
@@ -98,6 +98,9 @@ extern int elf_check_arch(const struct elf32_hdr *);
 extern int arm_elf_read_implies_exec(const struct elf32_hdr *, int);
 #define elf_read_implies_exec(ex,stk) arm_elf_read_implies_exec(&(ex), stk)
 
+int dump_task_regs(struct task_struct *t, elf_gregset_t *elfregs);
+#define ELF_CORE_COPY_TASK_REGS dump_task_regs
+
 #define USE_ELF_CORE_DUMP
 #define ELF_EXEC_PAGESIZE       4096
 
diff --git a/arch/arm/include/asm/kmap_types.h b/arch/arm/include/asm/kmap_types.h
index d16ec97ec9a9..c019949a5189 100644
--- a/arch/arm/include/asm/kmap_types.h
+++ b/arch/arm/include/asm/kmap_types.h
@@ -22,4 +22,10 @@ enum km_type {
         KM_TYPE_NR
 };
 
+#ifdef CONFIG_DEBUG_HIGHMEM
+#define KM_NMI          (-1)
+#define KM_NMI_PTE      (-1)
+#define KM_IRQ_PTE      (-1)
+#endif
+
 #endif
diff --git a/arch/arm/include/asm/tlbflush.h b/arch/arm/include/asm/tlbflush.h
index a45ab5dd8255..c2f1605de359 100644
--- a/arch/arm/include/asm/tlbflush.h
+++ b/arch/arm/include/asm/tlbflush.h
@@ -350,7 +350,7 @@ static inline void local_flush_tlb_mm(struct mm_struct *mm)
         if (tlb_flag(TLB_WB))
                 dsb();
 
-        if (cpumask_test_cpu(smp_processor_id(), mm_cpumask(mm))) {
+        if (cpumask_test_cpu(get_cpu(), mm_cpumask(mm))) {
                 if (tlb_flag(TLB_V3_FULL))
                         asm("mcr p15, 0, %0, c6, c0, 0" : : "r" (zero) : "cc");
                 if (tlb_flag(TLB_V4_U_FULL))
@@ -360,6 +360,7 @@ static inline void local_flush_tlb_mm(struct mm_struct *mm)
                 if (tlb_flag(TLB_V4_I_FULL))
                         asm("mcr p15, 0, %0, c8, c5, 0" : : "r" (zero) : "cc");
         }
+        put_cpu();
 
         if (tlb_flag(TLB_V6_U_ASID))
                 asm("mcr p15, 0, %0, c8, c7, 2" : : "r" (asid) : "cc");
diff --git a/arch/arm/include/asm/unistd.h b/arch/arm/include/asm/unistd.h
index 7020217fc49f..4e506d09e5f9 100644
--- a/arch/arm/include/asm/unistd.h
+++ b/arch/arm/include/asm/unistd.h
@@ -403,6 +403,15 @@
 #define __ARM_NR_set_tls                (__ARM_NR_BASE+5)
 
 /*
+ * *NOTE*: This is a ghost syscall private to the kernel.  Only the
+ * __kuser_cmpxchg code in entry-armv.S should be aware of its
+ * existence.  Don't ever use this from user code.
+ */
+#ifdef __KERNEL__
+#define __ARM_NR_cmpxchg                (__ARM_NR_BASE+0x00fff0)
+#endif
+
+/*
  * The following syscalls are obsolete and no longer available for EABI.
  */
 #if defined(__ARM_EABI__) && !defined(__KERNEL__)