Merge commit 'v2.6.28-rc3' into tracing/ftrace

5 files changed, 23 insertions, 14 deletions

diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig
index dcd165f92a8..23bd4daeb96 100644
--- a/kernel/power/Kconfig
+++ b/kernel/power/Kconfig
@@ -96,7 +96,7 @@ config SUSPEND
 
 config PM_TEST_SUSPEND
 	bool "Test suspend/resume and wakealarm during bootup"
-	depends on SUSPEND && PM_DEBUG && RTC_LIB=y
+	depends on SUSPEND && PM_DEBUG && RTC_CLASS=y
 	---help---
 	This option will let you suspend your machine during bootup, and
 	make it wake up a few seconds later using an RTC wakeup alarm.
diff --git a/kernel/resource.c b/kernel/resource.c
index 7fec0e42723..4337063663e 100644
--- a/kernel/resource.c
+++ b/kernel/resource.c
@@ -17,6 +17,7 @@
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 #include <linux/device.h>
+#include <linux/pfn.h>
 #include <asm/io.h>
 
 
@@ -522,7 +523,7 @@ static void __init __reserve_region_with_split(struct resource *root,
 {
 	struct resource *parent = root;
 	struct resource *conflict;
-	struct resource *res = kzalloc(sizeof(*res), GFP_KERNEL);
+	struct resource *res = kzalloc(sizeof(*res), GFP_ATOMIC);
 
 	if (!res)
 		return;
@@ -849,7 +850,8 @@ int iomem_map_sanity_check(resource_size_t addr, unsigned long size)
 			continue;
 		if (p->end < addr)
 			continue;
-		if (p->start <= addr && (p->end >= addr + size - 1))
+		if (PFN_DOWN(p->start) <= PFN_DOWN(addr) &&
+		    PFN_DOWN(p->end) >= PFN_DOWN(addr + size - 1))
 			continue;
 		printk(KERN_WARNING "resource map sanity check conflict: "
 		       "0x%llx 0x%llx 0x%llx 0x%llx %s\n",
diff --git a/kernel/sched_debug.c b/kernel/sched_debug.c
index ad958c1ec70..5ae17762ec3 100644
--- a/kernel/sched_debug.c
+++ b/kernel/sched_debug.c
@@ -319,7 +319,7 @@ static int __init init_sched_debug_procfs(void)
 {
 	struct proc_dir_entry *pe;
 
-	pe = proc_create("sched_debug", 0644, NULL, &sched_debug_fops);
+	pe = proc_create("sched_debug", 0444, NULL, &sched_debug_fops);
 	if (!pe)
 		return -ENOMEM;
 	return 0;
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 8741e5c4313..bdb1df00fb1 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -678,7 +678,11 @@ tracing_generic_entry_update(struct trace_entry *entry, unsigned long flags,
 	entry->preempt_count		= pc & 0xff;
 	entry->pid			= (tsk) ? tsk->pid : 0;
 	entry->flags =
+#ifdef CONFIG_TRACE_IRQFLAGS_SUPPORT
 		(irqs_disabled_flags(flags) ? TRACE_FLAG_IRQS_OFF : 0) |
+#else
+		TRACE_FLAG_IRQS_NOSUPPORT |
+#endif
 		((pc & HARDIRQ_MASK) ? TRACE_FLAG_HARDIRQ : 0) |
 		((pc & SOFTIRQ_MASK) ? TRACE_FLAG_SOFTIRQ : 0) |
 		(need_resched() ? TRACE_FLAG_NEED_RESCHED : 0);
@@ -1266,7 +1270,8 @@ lat_print_generic(struct trace_seq *s, struct trace_entry *entry, int cpu)
 	trace_seq_printf(s, "%8.8s-%-5d ", comm, entry->pid);
 	trace_seq_printf(s, "%3d", cpu);
 	trace_seq_printf(s, "%c%c",
-			(entry->flags & TRACE_FLAG_IRQS_OFF) ? 'd' : '.',
+			(entry->flags & TRACE_FLAG_IRQS_OFF) ? 'd' :
+			 (entry->flags & TRACE_FLAG_IRQS_NOSUPPORT) ? 'X' : '.',
 			((entry->flags & TRACE_FLAG_NEED_RESCHED) ? 'N' : '.'));
 
 	hardirq = entry->flags & TRACE_FLAG_HARDIRQ;
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 6889ca48f1f..8465ad05270 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -120,18 +120,20 @@ struct trace_boot {
 /*
  * trace_flag_type is an enumeration that holds different
  * states when a trace occurs. These are:
- *  IRQS_OFF	- interrupts were disabled
- *  NEED_RESCED - reschedule is requested
- *  HARDIRQ	- inside an interrupt handler
- *  SOFTIRQ	- inside a softirq handler
- *  CONT	- multiple entries hold the trace item
+ *  IRQS_OFF		- interrupts were disabled
+ *  IRQS_NOSUPPORT 	- arch does not support irqs_disabled_flags
+ *  NEED_RESCED		- reschedule is requested
+ *  HARDIRQ		- inside an interrupt handler
+ *  SOFTIRQ		- inside a softirq handler
+ *  CONT		- multiple entries hold the trace item
  */
 enum trace_flag_type {
 	TRACE_FLAG_IRQS_OFF		= 0x01,
-	TRACE_FLAG_NEED_RESCHED		= 0x02,
-	TRACE_FLAG_HARDIRQ		= 0x04,
-	TRACE_FLAG_SOFTIRQ		= 0x08,
-	TRACE_FLAG_CONT			= 0x10,
+	TRACE_FLAG_IRQS_NOSUPPORT	= 0x02,
+	TRACE_FLAG_NEED_RESCHED		= 0x04,
+	TRACE_FLAG_HARDIRQ		= 0x08,
+	TRACE_FLAG_SOFTIRQ		= 0x10,
+	TRACE_FLAG_CONT			= 0x20,
 };
 
 #define TRACE_BUF_SIZE		1024