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5db141a9
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体验新版 GitCode,发现更多精彩内容 >>
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5db141a9
编写于
11月 21, 2007
作者:
P
Paul Mundt
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电子邮件补丁
差异文件
sh: Mark some IRQ debug options sh32 only.
Signed-off-by:
N
Paul Mundt
<
lethal@linux-sh.org
>
上级
17bfa639
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
2 addition
and
117 deletion
+2
-117
arch/sh/Kconfig.debug
arch/sh/Kconfig.debug
+2
-2
arch/sh64/kernel/irq.c
arch/sh64/kernel/irq.c
+0
-115
未找到文件。
arch/sh/Kconfig.debug
浏览文件 @
5db141a9
...
...
@@ -62,7 +62,7 @@ config DEBUG_BOOTMEM
config DEBUG_STACKOVERFLOW
bool "Check for stack overflows"
depends on DEBUG_KERNEL
depends on DEBUG_KERNEL
&& SUPERH32
help
This option will cause messages to be printed if free stack space
drops below a certain limit.
...
...
@@ -88,7 +88,7 @@ config 4KSTACKS
config IRQSTACKS
bool "Use separate kernel stacks when processing interrupts"
depends on DEBUG_KERNEL
depends on DEBUG_KERNEL
&& SUPERH32
help
If you say Y here the kernel will use separate kernel stacks
for handling hard and soft interrupts. This can help avoid
...
...
arch/sh64/kernel/irq.c
已删除
100644 → 0
浏览文件 @
17bfa639
/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* arch/sh64/kernel/irq.c
*
* Copyright (C) 2000, 2001 Paolo Alberelli
* Copyright (C) 2003 Paul Mundt
*
*/
/*
* IRQs are in fact implemented a bit like signal handlers for the kernel.
* Naturally it's not a 1:1 relation, but there are similarities.
*/
#include <linux/errno.h>
#include <linux/kernel_stat.h>
#include <linux/signal.h>
#include <linux/rwsem.h>
#include <linux/sched.h>
#include <linux/ioport.h>
#include <linux/interrupt.h>
#include <linux/timex.h>
#include <linux/slab.h>
#include <linux/random.h>
#include <linux/smp.h>
#include <linux/init.h>
#include <linux/seq_file.h>
#include <linux/bitops.h>
#include <asm/system.h>
#include <asm/io.h>
#include <asm/smp.h>
#include <asm/pgalloc.h>
#include <asm/delay.h>
#include <asm/irq.h>
#include <linux/irq.h>
void
ack_bad_irq
(
unsigned
int
irq
)
{
printk
(
"unexpected IRQ trap at irq %02x
\n
"
,
irq
);
}
#if defined(CONFIG_PROC_FS)
int
show_interrupts
(
struct
seq_file
*
p
,
void
*
v
)
{
int
i
=
*
(
loff_t
*
)
v
,
j
;
struct
irqaction
*
action
;
unsigned
long
flags
;
if
(
i
==
0
)
{
seq_puts
(
p
,
" "
);
for_each_online_cpu
(
j
)
seq_printf
(
p
,
"CPU%d "
,
j
);
seq_putc
(
p
,
'\n'
);
}
if
(
i
<
NR_IRQS
)
{
spin_lock_irqsave
(
&
irq_desc
[
i
].
lock
,
flags
);
action
=
irq_desc
[
i
].
action
;
if
(
!
action
)
goto
unlock
;
seq_printf
(
p
,
"%3d: "
,
i
);
seq_printf
(
p
,
"%10u "
,
kstat_irqs
(
i
));
seq_printf
(
p
,
" %14s"
,
irq_desc
[
i
].
chip
->
typename
);
seq_printf
(
p
,
" %s"
,
action
->
name
);
for
(
action
=
action
->
next
;
action
;
action
=
action
->
next
)
seq_printf
(
p
,
", %s"
,
action
->
name
);
seq_putc
(
p
,
'\n'
);
unlock:
spin_unlock_irqrestore
(
&
irq_desc
[
i
].
lock
,
flags
);
}
return
0
;
}
#endif
/*
* do_NMI handles all Non-Maskable Interrupts.
*/
asmlinkage
void
do_NMI
(
unsigned
long
vector_num
,
struct
pt_regs
*
regs
)
{
if
(
regs
->
sr
&
0x40000000
)
printk
(
"unexpected NMI trap in system mode
\n
"
);
else
printk
(
"unexpected NMI trap in user mode
\n
"
);
/* No statistics */
}
/*
* do_IRQ handles all normal device IRQ's.
*/
asmlinkage
int
do_IRQ
(
unsigned
long
vector_num
,
struct
pt_regs
*
regs
)
{
struct
pt_regs
*
old_regs
=
set_irq_regs
(
regs
);
int
irq
;
irq_enter
();
irq
=
irq_demux
(
vector_num
);
if
(
irq
>=
0
)
{
__do_IRQ
(
irq
);
}
else
{
printk
(
"unexpected IRQ trap at vector %03lx
\n
"
,
vector_num
);
}
irq_exit
();
set_irq_regs
(
old_regs
);
return
1
;
}
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