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Message-ID: <86fd3a30b5cce0a637243e822e96f5bc76269670.1280924671.git.qy03fugy@stud.informatik.uni-erlangen.de>
Date: Wed, 4 Aug 2010 14:41:45 +0200
From: Christian Dietrich <qy03fugy@...d.informatik.uni-erlangen.de>
To: Geert Uytterhoeven <geert@...ux-m68k.org>,
Roman Zippel <zippel@...ux-m68k.org>,
John Stultz <johnstul@...ibm.com>,
Andrew Morton <akpm@...ux-foundation.org>,
Thomas Gleixner <tglx@...utronix.de>,
Sam Creasey <sammy@...my.net>, Greg Ungerer <gerg@...inux.org>,
Martin Schwidefsky <schwidefsky@...ibm.com>,
Joe Perches <joe@...ches.com>, linux-m68k@...ts.linux-m68k.org,
linux-kernel@...r.kernel.org
Cc: vamos-dev@...informatik.uni-erlangen.de
Subject: [PATCH 3/9] arch/m68k{,nommu}: Removing dead SMP config option
CONFIG_SMP doesn't exist in Kconfig (for this architecure), therefore
removing all references to it from the source.
Signed-off-by: Christian Dietrich <qy03fugy@...d.informatik.uni-erlangen.de>
---
arch/m68k/include/asm/system_mm.h | 2 --
arch/m68k/include/asm/system_no.h | 9 ---------
arch/m68k/kernel/time.c | 2 --
arch/m68k/sun3/sun3ints.c | 8 +++-----
arch/m68knommu/kernel/time.c | 3 +--
5 files changed, 4 insertions(+), 20 deletions(-)
diff --git a/arch/m68k/include/asm/system_mm.h b/arch/m68k/include/asm/system_mm.h
index dbb6515..485daec 100644
--- a/arch/m68k/include/asm/system_mm.h
+++ b/arch/m68k/include/asm/system_mm.h
@@ -205,9 +205,7 @@ static inline unsigned long __cmpxchg(volatile void *p, unsigned long old,
((__typeof__(*(ptr)))__cmpxchg_local_generic((ptr), (unsigned long)(o),\
(unsigned long)(n), sizeof(*(ptr))))
-#ifndef CONFIG_SMP
#include <asm-generic/cmpxchg.h>
-#endif
#endif
diff --git a/arch/m68k/include/asm/system_no.h b/arch/m68k/include/asm/system_no.h
index 3c0718d..08f31bd 100644
--- a/arch/m68k/include/asm/system_no.h
+++ b/arch/m68k/include/asm/system_no.h
@@ -106,17 +106,10 @@ asmlinkage void resume(void);
#define wmb() asm volatile ("" : : :"memory")
#define set_mb(var, value) ({ (var) = (value); wmb(); })
-#ifdef CONFIG_SMP
-#define smp_mb() mb()
-#define smp_rmb() rmb()
-#define smp_wmb() wmb()
-#define smp_read_barrier_depends() read_barrier_depends()
-#else
#define smp_mb() barrier()
#define smp_rmb() barrier()
#define smp_wmb() barrier()
#define smp_read_barrier_depends() do { } while(0)
-#endif
#define read_barrier_depends() ((void)0)
@@ -199,9 +192,7 @@ static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int siz
(unsigned long)(n), sizeof(*(ptr))))
#define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n))
-#ifndef CONFIG_SMP
#include <asm-generic/cmpxchg.h>
-#endif
#define arch_align_stack(x) (x)
diff --git a/arch/m68k/kernel/time.c b/arch/m68k/kernel/time.c
index 4926b38..06438da 100644
--- a/arch/m68k/kernel/time.c
+++ b/arch/m68k/kernel/time.c
@@ -42,9 +42,7 @@ static inline int set_rtc_mmss(unsigned long nowtime)
static irqreturn_t timer_interrupt(int irq, void *dummy)
{
do_timer(1);
-#ifndef CONFIG_SMP
update_process_times(user_mode(get_irq_regs()));
-#endif
profile_tick(CPU_PROFILING);
#ifdef CONFIG_HEARTBEAT
diff --git a/arch/m68k/sun3/sun3ints.c b/arch/m68k/sun3/sun3ints.c
index ad90393..606ff4d 100644
--- a/arch/m68k/sun3/sun3ints.c
+++ b/arch/m68k/sun3/sun3ints.c
@@ -66,12 +66,10 @@ static irqreturn_t sun3_int5(int irq, void *dev_id)
#ifdef CONFIG_SUN3
intersil_clear();
#endif
- do_timer(1);
-#ifndef CONFIG_SMP
+ do_timer(1);
update_process_times(user_mode(get_irq_regs()));
-#endif
- if (!(kstat_cpu(0).irqs[irq] % 20))
- sun3_leds(led_pattern[(kstat_cpu(0).irqs[irq] % 160) / 20]);
+ if (!(kstat_cpu(0).irqs[irq] % 20))
+ sun3_leds(led_pattern[(kstat_cpu(0).irqs[irq] % 160) / 20]);
return IRQ_HANDLED;
}
diff --git a/arch/m68knommu/kernel/time.c b/arch/m68knommu/kernel/time.c
index a90acf5..7089dd9 100644
--- a/arch/m68knommu/kernel/time.c
+++ b/arch/m68knommu/kernel/time.c
@@ -50,9 +50,8 @@ irqreturn_t arch_timer_interrupt(int irq, void *dummy)
write_sequnlock(&xtime_lock);
-#ifndef CONFIG_SMP
update_process_times(user_mode(get_irq_regs()));
-#endif
+
return(IRQ_HANDLED);
}
#endif
--
1.7.0.4
--
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