These changes are the raw update to linux-4.4.6-rt14. Kernel sources
[kvmfornfv.git] / kernel / arch / mips / include / asm / processor.h
index 9b3b48e..3f832c3 100644 (file)
@@ -36,12 +36,6 @@ extern unsigned int vced_count, vcei_count;
  */
 #define HAVE_ARCH_PICK_MMAP_LAYOUT 1
 
-/*
- * A special page (the vdso) is mapped into all processes at the very
- * top of the virtual memory space.
- */
-#define SPECIAL_PAGES_SIZE PAGE_SIZE
-
 #ifdef CONFIG_32BIT
 #ifdef CONFIG_KVM_GUEST
 /* User space process size is limited to 1GB in KVM Guest Mode */
@@ -80,7 +74,7 @@ extern unsigned int vced_count, vcei_count;
 
 #endif
 
-#define STACK_TOP      ((TASK_SIZE & PAGE_MASK) - SPECIAL_PAGES_SIZE)
+#define STACK_TOP      (TASK_SIZE & PAGE_MASK)
 
 /*
  * This decides where the kernel will search for a free chunk of vm
@@ -275,6 +269,7 @@ struct thread_struct {
        unsigned long cp0_badvaddr;     /* Last user fault */
        unsigned long cp0_baduaddr;     /* Last kernel fault accessing USEG */
        unsigned long error_code;
+       unsigned long trap_nr;
 #ifdef CONFIG_CPU_CAVIUM_OCTEON
        struct octeon_cop2_state cp2 __attribute__ ((__aligned__(128)));
        struct octeon_cvmseg_state cvmseg __attribute__ ((__aligned__(128)));
@@ -341,6 +336,7 @@ struct thread_struct {
        .cp0_badvaddr           = 0,                            \
        .cp0_baduaddr           = 0,                            \
        .error_code             = 0,                            \
+       .trap_nr                = 0,                            \
        /*                                                      \
         * Platform specific cop2 registers(null if no COP2)    \
         */                                                     \