Commit 589bf8d5 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge master.kernel.org:/home/rmk/linux-2.6-arm 

* master.kernel.org:/home/rmk/linux-2.6-arm: (24 commits)
  ARM: force dcache flush if dcache_dirty bit set
  [ARM] pxa: workaround errata #37 by not using half turbo switching
  [ARM] pxamci: fix printing gpio numbers in pxamci_probe
  [ARM] pxa/csb726: adjust duplicate structure field initialization
  ARM: Add kmap_atomic type debugging
  ARM: boolean bit testing
  ARM: update die() output
  ARM: Dump code/mem oops lines with the appropriate log level
  ARM: Dump memory and backtrace as one printk per line
  ARM: 5756/1: ep93xx: introduce clk parent
  ARM: 5754/1: ep93xx: update i2c support
  ARM: 5753/1: ep93xx: remove old EP93XX_GPIO_* defines
  ARM: 5729/1: ep93xx: define EP93XX_*_PHYS_BASE with macros
  ARM: 5751/1: ep93xx/micro9: Add Micro9-Slim
  ARM: 5750/1: ep93xx/micro9: Update platform code
  ARM: 5749/1: ep93xx/micro9: Update maintainer
  ARM: 5752/1: SA1100: fix building of h3100
  ARM: 5748/1: bcmring: fix build warning messages
  ARM: 5747/1: Fix the start_pg value in free_memmap()
  ARM: 5746/1: Handle possible translation errors in ARMv6/v7 coherent_user_range
  ...
parents e3c6f15f 787b2faa

MAINTAINERS

+5 −0
Original line number Diff line number Diff line
@@ -577,6 +577,11 @@ M: Mike Rapoport <mike@compulab.co.il> 
L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)

S:	Maintained



ARM/CONTEC MICRO9 MACHINE SUPPORT

M:	Hubert Feurstein <hubert.feurstein@contec.at>

S:	Maintained

F:	arch/arm/mach-ep93xx/micro9.c



ARM/CORGI MACHINE SUPPORT

M:	Richard Purdie <rpurdie@rpsys.net>

S:	Maintained

arch/arm/include/asm/bitops.h

+3 −3
Original line number Diff line number Diff line
@@ -84,7 +84,7 @@ ____atomic_test_and_set_bit(unsigned int bit, volatile unsigned long *p) 
	*p = res | mask;

	raw_local_irq_restore(flags);



	return res & mask;

	return (res & mask) != 0;

}



static inline int
@@ -101,7 +101,7 @@ ____atomic_test_and_clear_bit(unsigned int bit, volatile unsigned long *p) 
	*p = res & ~mask;

	raw_local_irq_restore(flags);



	return res & mask;

	return (res & mask) != 0;

}



static inline int
@@ -118,7 +118,7 @@ ____atomic_test_and_change_bit(unsigned int bit, volatile unsigned long *p) 
	*p = res ^ mask;

	raw_local_irq_restore(flags);



	return res & mask;

	return (res & mask) != 0;

}



#include <asm-generic/bitops/non-atomic.h>

arch/arm/kernel/traps.c

+41 −35
Original line number Diff line number Diff line
@@ -45,21 +45,21 @@ static int __init user_debug_setup(char *str) 
__setup("user_debug=", user_debug_setup);

#endif



static void dump_mem(const char *str, unsigned long bottom, unsigned long top);

static void dump_mem(const char *, const char *, unsigned long, unsigned long);



void dump_backtrace_entry(unsigned long where, unsigned long from, unsigned long frame)

{

#ifdef CONFIG_KALLSYMS

	printk("[<%08lx>] ", where);

	print_symbol("(%s) ", where);

	printk("from [<%08lx>] ", from);

	print_symbol("(%s)\n", from);

	char sym1[KSYM_SYMBOL_LEN], sym2[KSYM_SYMBOL_LEN];

	sprint_symbol(sym1, where);

	sprint_symbol(sym2, from);

	printk("[<%08lx>] (%s) from [<%08lx>] (%s)\n", where, sym1, from, sym2);

#else

	printk("Function entered at [<%08lx>] from [<%08lx>]\n", where, from);

#endif



	if (in_exception_text(where))

		dump_mem("Exception stack", frame + 4, frame + 4 + sizeof(struct pt_regs));

		dump_mem("", "Exception stack", frame + 4, frame + 4 + sizeof(struct pt_regs));

}



#ifndef CONFIG_ARM_UNWIND
@@ -81,9 +81,10 @@ static int verify_stack(unsigned long sp) 
/*

 * Dump out the contents of some memory nicely...

 */

static void dump_mem(const char *str, unsigned long bottom, unsigned long top)

static void dump_mem(const char *lvl, const char *str, unsigned long bottom,

		     unsigned long top)

{

	unsigned long p = bottom & ~31;

	unsigned long first;

	mm_segment_t fs;

	int i;
@@ -95,33 +96,37 @@ static void dump_mem(const char *str, unsigned long bottom, unsigned long top) 
	fs = get_fs();

	set_fs(KERNEL_DS);



	printk("%s(0x%08lx to 0x%08lx)\n", str, bottom, top);

	printk("%s%s(0x%08lx to 0x%08lx)\n", lvl, str, bottom, top);



	for (p = bottom & ~31; p < top;) {

		printk("%04lx: ", p & 0xffff);

	for (first = bottom & ~31; first < top; first += 32) {

		unsigned long p;

		char str[sizeof(" 12345678") * 8 + 1];



		for (i = 0; i < 8; i++, p += 4) {

			unsigned int val;

		memset(str, ' ', sizeof(str));

		str[sizeof(str) - 1] = '\0';



			if (p < bottom || p >= top)

				printk("         ");

			else {

				__get_user(val, (unsigned long *)p);

				printk("%08x ", val);

		for (p = first, i = 0; i < 8 && p < top; i++, p += 4) {

			if (p >= bottom && p < top) {

				unsigned long val;

				if (__get_user(val, (unsigned long *)p) == 0)

					sprintf(str + i * 9, " %08lx", val);

				else

					sprintf(str + i * 9, " ????????");

			}

		}

		printk ("\n");

		printk("%s%04lx:%s\n", lvl, first & 0xffff, str);

	}



	set_fs(fs);

}



static void dump_instr(struct pt_regs *regs)

static void dump_instr(const char *lvl, struct pt_regs *regs)

{

	unsigned long addr = instruction_pointer(regs);

	const int thumb = thumb_mode(regs);

	const int width = thumb ? 4 : 8;

	mm_segment_t fs;

	char str[sizeof("00000000 ") * 5 + 2 + 1], *p = str;

	int i;



	/*
@@ -132,7 +137,6 @@ static void dump_instr(struct pt_regs *regs) 
	fs = get_fs();

	set_fs(KERNEL_DS);



	printk("Code: ");

	for (i = -4; i < 1; i++) {

		unsigned int val, bad;
@@ -142,13 +146,14 @@ static void dump_instr(struct pt_regs *regs) 
			bad = __get_user(val, &((u32 *)addr)[i]);



		if (!bad)

			printk(i == 0 ? "(%0*x) " : "%0*x ", width, val);

			p += sprintf(p, i == 0 ? "(%0*x) " : "%0*x ",

					width, val);

		else {

			printk("bad PC value.");

			p += sprintf(p, "bad PC value");

			break;

		}

	}

	printk("\n");

	printk("%sCode: %s\n", lvl, str);



	set_fs(fs);

}
@@ -224,18 +229,19 @@ static void __die(const char *str, int err, struct thread_info *thread, struct p 
	struct task_struct *tsk = thread->task;

	static int die_counter;



	printk("Internal error: %s: %x [#%d]" S_PREEMPT S_SMP "\n",

	printk(KERN_EMERG "Internal error: %s: %x [#%d]" S_PREEMPT S_SMP "\n",

	       str, err, ++die_counter);

	sysfs_printk_last_file();

	print_modules();

	__show_regs(regs);

	printk("Process %s (pid: %d, stack limit = 0x%p)\n",

		tsk->comm, task_pid_nr(tsk), thread + 1);

	printk(KERN_EMERG "Process %.*s (pid: %d, stack limit = 0x%p)\n",

		TASK_COMM_LEN, tsk->comm, task_pid_nr(tsk), thread + 1);



	if (!user_mode(regs) || in_interrupt()) {

		dump_mem("Stack: ", regs->ARM_sp,

		dump_mem(KERN_EMERG, "Stack: ", regs->ARM_sp,

			 THREAD_SIZE + (unsigned long)task_stack_page(tsk));

		dump_backtrace(regs, tsk);

		dump_instr(regs);

		dump_instr(KERN_EMERG, regs);

	}

}
@@ -250,13 +256,14 @@ NORET_TYPE void die(const char *str, struct pt_regs *regs, int err) 


	oops_enter();



	console_verbose();

	spin_lock_irq(&die_lock);

	console_verbose();

	bust_spinlocks(1);

	__die(str, err, thread, regs);

	bust_spinlocks(0);

	add_taint(TAINT_DIE);

	spin_unlock_irq(&die_lock);

	oops_exit();



	if (in_interrupt())

		panic("Fatal exception in interrupt");
@@ -264,7 +271,6 @@ NORET_TYPE void die(const char *str, struct pt_regs *regs, int err) 
	if (panic_on_oops)

		panic("Fatal exception");



	oops_exit();

	do_exit(SIGSEGV);

}
@@ -349,7 +355,7 @@ asmlinkage void __exception do_undefinstr(struct pt_regs *regs) 
	if (user_debug & UDBG_UNDEFINED) {

		printk(KERN_INFO "%s (%d): undefined instruction: pc=%p\n",

			current->comm, task_pid_nr(current), pc);

		dump_instr(regs);

		dump_instr(KERN_INFO, regs);

	}

#endif
@@ -400,7 +406,7 @@ static int bad_syscall(int n, struct pt_regs *regs) 
	if (user_debug & UDBG_SYSCALL) {

		printk(KERN_ERR "[%d] %s: obsolete system call %08x.\n",

			task_pid_nr(current), current->comm, n);

		dump_instr(regs);

		dump_instr(KERN_ERR, regs);

	}

#endif
@@ -579,7 +585,7 @@ asmlinkage int arm_syscall(int no, struct pt_regs *regs) 
	if (user_debug & UDBG_SYSCALL) {

		printk("[%d] %s: arm syscall %d\n",

		       task_pid_nr(current), current->comm, no);

		dump_instr(regs);

		dump_instr("", regs);

		if (user_mode(regs)) {

			__show_regs(regs);

			c_backtrace(regs->ARM_fp, processor_mode(regs));
@@ -656,7 +662,7 @@ baddataabort(int code, unsigned long instr, struct pt_regs *regs) 
	if (user_debug & UDBG_BADABORT) {

		printk(KERN_ERR "[%d] %s: bad data abort: code %d instr 0x%08lx\n",

			task_pid_nr(current), current->comm, code, instr);

		dump_instr(regs);

		dump_instr(KERN_ERR, regs);

		show_pte(current->mm, addr);

	}

#endif

arch/arm/mach-bcmring/core.c

+2 −2
Original line number Diff line number Diff line
@@ -271,12 +271,12 @@ static struct irqaction bcmring_timer_irq = { 
	.handler = bcmring_timer_interrupt,

};



static cycle_t bcmring_get_cycles_timer1(void)

static cycle_t bcmring_get_cycles_timer1(struct clocksource *cs)

{

	return ~readl(TIMER1_VA_BASE + TIMER_VALUE);

}



static cycle_t bcmring_get_cycles_timer3(void)

static cycle_t bcmring_get_cycles_timer3(struct clocksource *cs)

{

	return ~readl(TIMER3_VA_BASE + TIMER_VALUE);

}

arch/arm/mach-bcmring/include/mach/system.h

+1 −1
Original line number Diff line number Diff line
@@ -29,7 +29,7 @@ static inline void arch_idle(void) 
	cpu_do_idle();

}



static inline void arch_reset(char mode, char *cmd)

static inline void arch_reset(char mode, const char *cmd)

{

	printk("arch_reset:%c %x\n", mode, bcmring_arch_warm_reboot);

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