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authorIngo Molnar <mingo@elte.hu>2009-07-18 06:19:57 -0400
committerIngo Molnar <mingo@elte.hu>2009-07-18 06:20:01 -0400
commit45bceffc3013bda7d2ebc7802e9b153b674e2d44 (patch)
tree222d7dd8fd300925cbf12cdc0fba5bee2528997e /arch/arm/kernel
parent6f2f3cf00ee32f75ba007a46bab88a54d68a5deb (diff)
parent78af08d90b8f745044b1274430bc4bc6b2b27aca (diff)
Merge branch 'linus' into tracing/core
Merge reason: tracing/core was on an older, pre-rc1 base. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/arm/kernel')
-rw-r--r--arch/arm/kernel/irq.c24
-rw-r--r--arch/arm/kernel/vmlinux.lds.S15
2 files changed, 14 insertions, 25 deletions
diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c
index 096f600dc8d8..b7c3490eaa24 100644
--- a/arch/arm/kernel/irq.c
+++ b/arch/arm/kernel/irq.c
@@ -98,17 +98,6 @@ unlock:
98 return 0; 98 return 0;
99} 99}
100 100
101/* Handle bad interrupts */
102static struct irq_desc bad_irq_desc = {
103 .handle_irq = handle_bad_irq,
104 .lock = __SPIN_LOCK_UNLOCKED(bad_irq_desc.lock),
105};
106
107#ifdef CONFIG_CPUMASK_OFFSTACK
108/* We are not allocating bad_irq_desc.affinity or .pending_mask */
109#error "ARM architecture does not support CONFIG_CPUMASK_OFFSTACK."
110#endif
111
112/* 101/*
113 * do_IRQ handles all hardware IRQ's. Decoded IRQs should not 102 * do_IRQ handles all hardware IRQ's. Decoded IRQs should not
114 * come via this function. Instead, they should provide their 103 * come via this function. Instead, they should provide their
@@ -124,10 +113,13 @@ asmlinkage void __exception asm_do_IRQ(unsigned int irq, struct pt_regs *regs)
124 * Some hardware gives randomly wrong interrupts. Rather 113 * Some hardware gives randomly wrong interrupts. Rather
125 * than crashing, do something sensible. 114 * than crashing, do something sensible.
126 */ 115 */
127 if (irq >= NR_IRQS) 116 if (unlikely(irq >= NR_IRQS)) {
128 handle_bad_irq(irq, &bad_irq_desc); 117 if (printk_ratelimit())
129 else 118 printk(KERN_WARNING "Bad IRQ%u\n", irq);
119 ack_bad_irq(irq);
120 } else {
130 generic_handle_irq(irq); 121 generic_handle_irq(irq);
122 }
131 123
132 /* AT91 specific workaround */ 124 /* AT91 specific workaround */
133 irq_finish(irq); 125 irq_finish(irq);
@@ -165,10 +157,6 @@ void __init init_IRQ(void)
165 for (irq = 0; irq < NR_IRQS; irq++) 157 for (irq = 0; irq < NR_IRQS; irq++)
166 irq_desc[irq].status |= IRQ_NOREQUEST | IRQ_NOPROBE; 158 irq_desc[irq].status |= IRQ_NOREQUEST | IRQ_NOPROBE;
167 159
168#ifdef CONFIG_SMP
169 cpumask_setall(bad_irq_desc.affinity);
170 bad_irq_desc.node = smp_processor_id();
171#endif
172 init_arch_irq(); 160 init_arch_irq();
173} 161}
174 162
diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S
index 4340bf3d2c84..69371028a202 100644
--- a/arch/arm/kernel/vmlinux.lds.S
+++ b/arch/arm/kernel/vmlinux.lds.S
@@ -6,6 +6,7 @@
6#include <asm-generic/vmlinux.lds.h> 6#include <asm-generic/vmlinux.lds.h>
7#include <asm/thread_info.h> 7#include <asm/thread_info.h>
8#include <asm/memory.h> 8#include <asm/memory.h>
9#include <asm/page.h>
9 10
10OUTPUT_ARCH(arm) 11OUTPUT_ARCH(arm)
11ENTRY(stext) 12ENTRY(stext)
@@ -63,7 +64,7 @@ SECTIONS
63 usr/built-in.o(.init.ramfs) 64 usr/built-in.o(.init.ramfs)
64 __initramfs_end = .; 65 __initramfs_end = .;
65#endif 66#endif
66 . = ALIGN(4096); 67 . = ALIGN(PAGE_SIZE);
67 __per_cpu_load = .; 68 __per_cpu_load = .;
68 __per_cpu_start = .; 69 __per_cpu_start = .;
69 *(.data.percpu.page_aligned) 70 *(.data.percpu.page_aligned)
@@ -73,7 +74,7 @@ SECTIONS
73#ifndef CONFIG_XIP_KERNEL 74#ifndef CONFIG_XIP_KERNEL
74 __init_begin = _stext; 75 __init_begin = _stext;
75 INIT_DATA 76 INIT_DATA
76 . = ALIGN(4096); 77 . = ALIGN(PAGE_SIZE);
77 __init_end = .; 78 __init_end = .;
78#endif 79#endif
79 } 80 }
@@ -118,7 +119,7 @@ SECTIONS
118 *(.got) /* Global offset table */ 119 *(.got) /* Global offset table */
119 } 120 }
120 121
121 RODATA 122 RO_DATA(PAGE_SIZE)
122 123
123 _etext = .; /* End of text and rodata section */ 124 _etext = .; /* End of text and rodata section */
124 125
@@ -158,17 +159,17 @@ SECTIONS
158 *(.data.init_task) 159 *(.data.init_task)
159 160
160#ifdef CONFIG_XIP_KERNEL 161#ifdef CONFIG_XIP_KERNEL
161 . = ALIGN(4096); 162 . = ALIGN(PAGE_SIZE);
162 __init_begin = .; 163 __init_begin = .;
163 INIT_DATA 164 INIT_DATA
164 . = ALIGN(4096); 165 . = ALIGN(PAGE_SIZE);
165 __init_end = .; 166 __init_end = .;
166#endif 167#endif
167 168
168 . = ALIGN(4096); 169 . = ALIGN(PAGE_SIZE);
169 __nosave_begin = .; 170 __nosave_begin = .;
170 *(.data.nosave) 171 *(.data.nosave)
171 . = ALIGN(4096); 172 . = ALIGN(PAGE_SIZE);
172 __nosave_end = .; 173 __nosave_end = .;
173 174
174 /* 175 /*