Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm

* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (257 commits)
  [ARM] Update mach-types
  ARM: 5636/1: Move vendor enum to AMBA include
  ARM: Fix pfn_valid() for sparse memory
  [ARM] orion5x: Add LaCie NAS 2Big Network support
  [ARM] pxa/sharpsl_pm: zaurus c3000 aka spitz: fix resume
  ARM: 5686/1: at91: Correct AC97 reset line in at91sam9263ek board
  ARM: 5640/1: This patch modifies the support of AC97 on the at91sam9263 ek board
  ARM: 5689/1: Update default config of HP Jornada 700-series machines
  ARM: 5691/1: fix cache aliasing issues between kmap() and kmap_atomic() with highmem
  ARM: 5688/1: ks8695_serial: disable_irq() lockup
  ARM: 5687/1: fix an oops with highmem
  ARM: 5684/1: Add nuc960 platform to w90x900
  ARM: 5683/1: Add nuc950 platform to w90x900
  ARM: 5682/1: Add cpu.c and dev.c and modify some files of w90p910 platform
  ARM: 5626/1: add suspend/resume functions to amba-pl011 serial driver
  ARM: 5625/1: fix hard coded 4K resource size in amba bus detection
  MMC: MMCI: convert realview MMC to use gpiolib
  ARM: 5685/1: Make MMCI driver compile without gpiolib
  ARM: implement highpte
  ARM: Show FIQ in /proc/interrupts on CONFIG_FIQ
  ...

Fix up trivial conflict in arch/arm/kernel/signal.c.

It was due to the TIF_NOTIFY_RESUME addition in commit d0420c83f ("KEYS:
Extend TIF_NOTIFY_RESUME to (almost) all architectures") and follow-ups.

1 files changed, 128 insertions, 5 deletions

diff --git a/arch/arm/include/asm/assembler.h b/arch/arm/include/asm/assembler.h
index 15f8a09..00f46d9 100644
--- a/arch/arm/include/asm/assembler.h
+++ b/arch/arm/include/asm/assembler.h
@@ -74,23 +74,56 @@
  * Enable and disable interrupts
  */
 #if __LINUX_ARM_ARCH__ >= 6
-	.macro	disable_irq
+	.macro	disable_irq_notrace
 	cpsid	i
 	.endm
 
-	.macro	enable_irq
+	.macro	enable_irq_notrace
 	cpsie	i
 	.endm
 #else
-	.macro	disable_irq
+	.macro	disable_irq_notrace
 	msr	cpsr_c, #PSR_I_BIT | SVC_MODE
 	.endm
 
-	.macro	enable_irq
+	.macro	enable_irq_notrace
 	msr	cpsr_c, #SVC_MODE
 	.endm
 #endif
 
+	.macro asm_trace_hardirqs_off
+#if defined(CONFIG_TRACE_IRQFLAGS)
+	stmdb   sp!, {r0-r3, ip, lr}
+	bl	trace_hardirqs_off
+	ldmia	sp!, {r0-r3, ip, lr}
+#endif
+	.endm
+
+	.macro asm_trace_hardirqs_on_cond, cond
+#if defined(CONFIG_TRACE_IRQFLAGS)
+	/*
+	 * actually the registers should be pushed and pop'd conditionally, but
+	 * after bl the flags are certainly clobbered
+	 */
+	stmdb   sp!, {r0-r3, ip, lr}
+	bl\cond	trace_hardirqs_on
+	ldmia	sp!, {r0-r3, ip, lr}
+#endif
+	.endm
+
+	.macro asm_trace_hardirqs_on
+	asm_trace_hardirqs_on_cond al
+	.endm
+
+	.macro disable_irq
+	disable_irq_notrace
+	asm_trace_hardirqs_off
+	.endm
+
+	.macro enable_irq
+	asm_trace_hardirqs_on
+	enable_irq_notrace
+	.endm
 /*
  * Save the current IRQ state and disable IRQs.  Note that this macro
  * assumes FIQs are enabled, and that the processor is in SVC mode.
@@ -104,10 +137,16 @@
  * Restore interrupt state previously stored in a register.  We don't
  * guarantee that this will preserve the flags.
  */
-	.macro	restore_irqs, oldcpsr
+	.macro	restore_irqs_notrace, oldcpsr
 	msr	cpsr_c, \oldcpsr
 	.endm
 
+	.macro restore_irqs, oldcpsr
+	tst	\oldcpsr, #PSR_I_BIT
+	asm_trace_hardirqs_on_cond eq
+	restore_irqs_notrace \oldcpsr
+	.endm
+
 #define USER(x...)				\
 9999:	x;					\
 	.section __ex_table,"a";		\
@@ -127,3 +166,87 @@
 #endif
 #endif
 	.endm
+
+#ifdef CONFIG_THUMB2_KERNEL
+	.macro	setmode, mode, reg
+	mov	\reg, #\mode
+	msr	cpsr_c, \reg
+	.endm
+#else
+	.macro	setmode, mode, reg
+	msr	cpsr_c, #\mode
+	.endm
+#endif
+
+/*
+ * STRT/LDRT access macros with ARM and Thumb-2 variants
+ */
+#ifdef CONFIG_THUMB2_KERNEL
+
+	.macro	usraccoff, instr, reg, ptr, inc, off, cond, abort
+9999:
+	.if	\inc == 1
+	\instr\cond\()bt \reg, [\ptr, #\off]
+	.elseif	\inc == 4
+	\instr\cond\()t \reg, [\ptr, #\off]
+	.else
+	.error	"Unsupported inc macro argument"
+	.endif
+
+	.section __ex_table,"a"
+	.align	3
+	.long	9999b, \abort
+	.previous
+	.endm
+
+	.macro	usracc, instr, reg, ptr, inc, cond, rept, abort
+	@ explicit IT instruction needed because of the label
+	@ introduced by the USER macro
+	.ifnc	\cond,al
+	.if	\rept == 1
+	itt	\cond
+	.elseif	\rept == 2
+	ittt	\cond
+	.else
+	.error	"Unsupported rept macro argument"
+	.endif
+	.endif
+
+	@ Slightly optimised to avoid incrementing the pointer twice
+	usraccoff \instr, \reg, \ptr, \inc, 0, \cond, \abort
+	.if	\rept == 2
+	usraccoff \instr, \reg, \ptr, \inc, 4, \cond, \abort
+	.endif
+
+	add\cond \ptr, #\rept * \inc
+	.endm
+
+#else	/* !CONFIG_THUMB2_KERNEL */
+
+	.macro	usracc, instr, reg, ptr, inc, cond, rept, abort
+	.rept	\rept
+9999:
+	.if	\inc == 1
+	\instr\cond\()bt \reg, [\ptr], #\inc
+	.elseif	\inc == 4
+	\instr\cond\()t \reg, [\ptr], #\inc
+	.else
+	.error	"Unsupported inc macro argument"
+	.endif
+
+	.section __ex_table,"a"
+	.align	3
+	.long	9999b, \abort
+	.previous
+	.endr
+	.endm
+
+#endif	/* CONFIG_THUMB2_KERNEL */
+
+	.macro	strusr, reg, ptr, inc, cond=al, rept=1, abort=9001f
+	usracc	str, \reg, \ptr, \inc, \cond, \rept, \abort
+	.endm
+
+	.macro	ldrusr, reg, ptr, inc, cond=al, rept=1, abort=9001f
+	usracc	ldr, \reg, \ptr, \inc, \cond, \rept, \abort
+	.endm