Merge branch 'stable-3.2' into pandora-3.2

[pandora-kernel.git] / arch / arm / include / asm / assembler.h

diff --git a/arch/arm/include/asm/assembler.h b/arch/arm/include/asm/assembler.h
index 29035e8..a279ea7 100644 (file)
--- a/arch/arm/include/asm/assembler.h
+++ b/arch/arm/include/asm/assembler.h
@@ -137,6 +137,11 @@
        disable_irq
        .endm
 
+       .macro  save_and_disable_irqs_notrace, oldcpsr
+       mrs     \oldcpsr, cpsr
+       disable_irq_notrace
+       .endm
+
 /*
  * Restore interrupt state previously stored in a register.  We don't
  * guarantee that this will preserve the flags.
@@ -186,6 +191,17 @@
 #define ALT_UP_B(label) b label
 #endif
 
+/*
+ * Instruction barrier
+ */
+       .macro  instr_sync
+#if __LINUX_ARM_ARCH__ >= 7
+       isb
+#elif __LINUX_ARM_ARCH__ == 6
+       mcr     p15, 0, r0, c7, c5, 4
+#endif
+       .endm
+
 /*
  * SMP data memory barrier
  */
@@ -302,4 +318,12 @@
        .size \name , . - \name
        .endm
 
+       .macro check_uaccess, addr:req, size:req, limit:req, tmp:req, bad:req
+#ifndef CONFIG_CPU_USE_DOMAINS
+       adds    \tmp, \addr, #\size - 1
+       sbcccs  \tmp, \tmp, \limit
+       bcs     \bad
+#endif
+       .endm
+
 #endif /* __ASM_ASSEMBLER_H__ */