Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762630AbZD1P55 (ORCPT ); Tue, 28 Apr 2009 11:57:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1761973AbZD1P5q (ORCPT ); Tue, 28 Apr 2009 11:57:46 -0400 Received: from rv-out-0506.google.com ([209.85.198.238]:13178 "EHLO rv-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758146AbZD1P5l (ORCPT ); Tue, 28 Apr 2009 11:57:41 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=subject:from:reply-to:to:cc:in-reply-to:references:content-type :organization:date:message-id:mime-version:x-mailer :content-transfer-encoding; b=xSxuAw46lQ7N0fxEOFWehZhCYsNJ7PWZTiCoxjSP8aaJDzBumH8gv7sFJafyHws2oQ THzWDuyhimJFTKXqhZTUIt9l20GuVrnn62pbWUxJsEQAh67Qr/bTu3sC/PFRO9fjnrzU ZWzd+PhT2qoBEHVHMTjE2jyFM2JMy2N716Vek= Subject: Re: "RT_PREEMPT for loongson" is updated to patch-2.6.29.1-rt8 From: Wu Zhangjin Reply-To: wuzhangjin@gmail.com To: Ralf Baechle Cc: Zhang Le , linux-kernel@vger.kernel.org, Nicholas Mc Guire , Ingo Molnar , Thomas Gleixner , zhangfx@lemote.com, loongson-dev@googlegroups.com, yanh@lemote.com, linux-mips@linux-mips.org, linux-rt-users@vger.kernel.org In-Reply-To: <20090428122958.GA19160@linux-mips.org> References: <1240193547.25532.52.camel@falcon> <20090420050419.GA22520@adriano.hkcable.com.hk> <1240211926.8884.27.camel@falcon> <20090420080155.GA11621@linux-mips.org> <20090420131022.GA10183@linux-mips.org> <1240237323.8884.42.camel@falcon> <20090428122958.GA19160@linux-mips.org> Content-Type: text/plain Organization: DSLab, Lanzhou University, China Date: Tue, 28 Apr 2009 23:57:30 +0800 Message-Id: <1240934250.10957.209.camel@falcon> Mime-Version: 1.0 X-Mailer: Evolution 2.24.3 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 64804 Lines: 2240 On Tue, 2009-04-28 at 14:29 +0200, Ralf Baechle wrote: > On Mon, Apr 20, 2009 at 10:22:03PM +0800, Wu Zhangjin wrote: > > >From e67f78d663a84ef93aa12c3c8c1adf3033c4f9a1 Mon Sep 17 00:00:00 2001 > From: Wu Zhangjin > Date: Sun, 19 Apr 2009 15:57:41 +0800 > Subject: [PATCH] basic RT_PREEMPT support for mips/loongson2f > > This job is based on patch-2.6.24.7-rt27.bz2 & patch-2.6.26.8-rt16.bz2 > from http://www.kernel.org/pub/linux/kernel/projects/rt/ > > diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig > index 4401055..708fcc0 100644 > --- a/arch/mips/Kconfig > +++ b/arch/mips/Kconfig > @@ -663,6 +663,10 @@ config RWSEM_GENERIC_SPINLOCK > config RWSEM_XCHGADD_ALGORITHM > bool > > +config ASM_SEMAPHORE > + bool > + default y > + > > This config symbol is not being referenced anywhere in the tree. > Yes, this symbol seems not used currently, I just drop it, but it is still stayed in arch/x86/Kconfig, drop it too? > config ARCH_HAS_ILOG2_U32 > bool > default n > diff --git a/arch/mips/include/asm/asmmacro.h b/arch/mips/include/asm/asmmacro.h > index 6c8342a..d3cc457 100644 > --- a/arch/mips/include/asm/asmmacro.h > +++ b/arch/mips/include/asm/asmmacro.h > @@ -21,7 +21,7 @@ > #endif > > #ifdef CONFIG_MIPS_MT_SMTC > - .macro local_irq_enable reg=t0 > + .macro raw_local_irq_enable reg=t0 > > Renaming this function and the others seems like a good cleanup but please > break such cleanup out and submit them separatly. get it, a new RT_PREEMPT git branch for MIPS will be created later(at latest, tomorrow). > > mfc0 \reg, CP0_TCSTATUS > ori \reg, \reg, TCSTATUS_IXMT > xori \reg, \reg, TCSTATUS_IXMT > @@ -29,31 +29,31 @@ > _ehb > .endm > > - .macro local_irq_disable reg=t0 > + .macro raw_local_irq_disable reg=t0 > mfc0 \reg, CP0_TCSTATUS > ori \reg, \reg, TCSTATUS_IXMT > mtc0 \reg, CP0_TCSTATUS > _ehb > .endm > #elif defined(CONFIG_CPU_MIPSR2) > - .macro local_irq_enable reg=t0 > + .macro raw_local_irq_enable reg=t0 > ei > irq_enable_hazard > .endm > > - .macro local_irq_disable reg=t0 > + .macro raw_local_irq_disable reg=t0 > di > irq_disable_hazard > .endm > #else > - .macro local_irq_enable reg=t0 > + .macro raw_local_irq_enable reg=t0 > mfc0 \reg, CP0_STATUS > ori \reg, \reg, 1 > mtc0 \reg, CP0_STATUS > irq_enable_hazard > .endm > > - .macro local_irq_disable reg=t0 > + .macro raw_local_irq_disable reg=t0 > mfc0 \reg, CP0_STATUS > ori \reg, \reg, 1 > xori \reg, \reg, 1 > diff --git a/arch/mips/include/asm/i8253.h b/arch/mips/include/asm/i8253.h > index 5dabc87..7891111 100644 > --- a/arch/mips/include/asm/i8253.h > +++ b/arch/mips/include/asm/i8253.h > @@ -14,7 +14,7 @@ > > #define PIT_TICK_RATE 1193182UL > > -extern spinlock_t i8253_lock; > +extern raw_spinlock_t i8253_lock; > > extern void setup_pit_timer(void); > > diff --git a/arch/mips/include/asm/i8259.h b/arch/mips/include/asm/i8259.h > index 8572a2d..acafca9 100644 > --- a/arch/mips/include/asm/i8259.h > +++ b/arch/mips/include/asm/i8259.h > @@ -35,7 +35,7 @@ > #define SLAVE_ICW4_DEFAULT 0x01 > #define PIC_ICW4_AEOI 2 > > -extern spinlock_t i8259A_lock; > +extern raw_spinlock_t i8259A_lock; > > extern int i8259A_irq_pending(unsigned int irq); > extern void make_8259A_irq(unsigned int irq); > diff --git a/arch/mips/include/asm/kdebug.h b/arch/mips/include/asm/kdebug.h > index 5bf62aa..3edbe56 100644 > --- a/arch/mips/include/asm/kdebug.h > +++ b/arch/mips/include/asm/kdebug.h > @@ -8,6 +8,7 @@ enum die_val { > DIE_FP, > DIE_TRAP, > DIE_RI, > + DIE_NMI_IPI, > }; > > #endif /* _ASM_MIPS_KDEBUG_H */ > > This patch only defines DIE_NMI_IPI but the only user is a x86-only > watchdog driver. Drop? > dropped. (seems this is an old fix for an compiling error in linux-2.6.29-rc6) > diff --git a/arch/mips/include/asm/mach-lemote/cpu-feature-overrides.h b/arch/mips/include/asm/mach-lemote/cpu-feature-overrides.h > index 01d08d6..1cb4aa3 100644 > --- a/arch/mips/include/asm/mach-lemote/cpu-feature-overrides.h > +++ b/arch/mips/include/asm/mach-lemote/cpu-feature-overrides.h > @@ -17,6 +17,9 @@ > #ifndef __ASM_LEMOTE_CPU_FEATURE_OVERRIDES_H > #define __ASM_LEMOTE_CPU_FEATURE_OVERRIDES_H > > +/* for RT_PREEMPT */ > +#define finish_arch_switch_empty > + > > The whole finish_arch_switch_empty thing looks broken. Drop it. get it. > > #define cpu_has_llsc 1 > > #define cpu_has_tlb 1 > diff --git a/arch/mips/include/asm/mach-tx49xx/cpu-feature-overrides.h b/arch/mips/include/asm/mach-tx49xx/cpu-feature-overrides.h > index 275eaf9..f703cc3 100644 > --- a/arch/mips/include/asm/mach-tx49xx/cpu-feature-overrides.h > +++ b/arch/mips/include/asm/mach-tx49xx/cpu-feature-overrides.h > @@ -1,6 +1,8 @@ > #ifndef __ASM_MACH_TX49XX_CPU_FEATURE_OVERRIDES_H > #define __ASM_MACH_TX49XX_CPU_FEATURE_OVERRIDES_H > > +#define finish_arch_switch_empty > + > #define cpu_has_llsc 1 > #define cpu_has_64bits 1 > #define cpu_has_inclusive_pcaches 0 > diff --git a/arch/mips/include/asm/rwsem.h b/arch/mips/include/asm/rwsem.h > new file mode 100644 > index 0000000..4e57263 > --- /dev/null > +++ b/arch/mips/include/asm/rwsem.h > > Your tree always defines RWSEM_GENERIC_SPINLOCK, so this file will never > be included, not even when building a non-RT kernel. fixed, config RWSEM_GENERIC_SPINLOCK bool + depends on PREEMPT_RT default y config RWSEM_XCHGADD_ALGORITHM bool + depends on !RWSEM_GENERIC_SPINLOCK && !PREEMPT_RT + default y some more fixes for compiling errors have been done on include/asm-mips/rwsem.h, will go to the new git branch: --- a/arch/mips/include/asm/rwsem.h +++ b/arch/mips/include/asm/rwsem.h @@ -31,41 +31,42 @@ struct compat_rw_semaphore { #define RWSEM_ACTIVE_WRITE_BIAS (RWSEM_WAITING_BIAS + RWSEM_ACTIVE_BIAS) raw_spinlock_t wait_lock; struct list_head wait_list; -#if RWSEM_DEBUG - int debug; +#ifdef CONFIG_DEBUG_LOCK_ALLOC + struct lockdep_map dep_map; #endif }; /* * initialisation */ -#if RWSEM_DEBUG -#define __RWSEM_DEBUG_INIT , 0 + +#ifdef CONFIG_DEBUG_LOCK_ALLOC +# define __RWSEM_DEP_MAP_INIT(lockname) , .dep_map = { .name = #lockname } #else -#define __RWSEM_DEBUG_INIT /* */ +# define __RWSEM_DEP_MAP_INIT(lockname) #endif -#define __COMPAT_RWSEM_INITIALIZER(name) \ - { RWSEM_UNLOCKED_VALUE, SPIN_LOCK_UNLOCKED, \ - LIST_HEAD_INIT((name).wait_list) \ - __RWSEM_DEBUG_INIT } +#define __RWSEM_INITIALIZER(name) \ + { RWSEM_UNLOCKED_VALUE, __SPIN_LOCK_UNLOCKED((name).wait_lock), \ + LIST_HEAD_INIT((name).wait_list) __RWSEM_DEP_MAP_INIT(name) } #define COMPAT_DECLARE_RWSEM(name) \ - struct compat_rw_semaphore name = __COMPAT_RWSEM_INITIALIZER(name) + struct compat_rw_semaphore name = __RWSEM_INITIALIZER(name) -extern struct compat_rw_semaphore *rwsem_down_read_failed(struct compat_rw_semaphore *sem); -extern struct compat_rw_semaphore *rwsem_down_write_failed(struct compat_rw_semaphore *sem); -extern struct compat_rw_semaphore *rwsem_wake(struct compat_rw_semaphore *sem); -extern struct compat_rw_semaphore *rwsem_downgrade_wake(struct compat_rw_semaphore *sem); +extern asmregparm struct compat_rw_semaphore * + rwsem_down_read_failed(struct compat_rw_semaphore *sem); +extern asmregparm struct compat_rw_semaphore * + rwsem_down_write_failed(struct compat_rw_semaphore *sem); +extern asmregparm struct compat_rw_semaphore * + rwsem_wake(struct compat_rw_semaphore *); +extern asmregparm struct compat_rw_semaphore * + rwsem_downgrade_wake(struct compat_rw_semaphore *sem); static inline void compat_init_rwsem(struct compat_rw_semaphore *sem) { sem->count = RWSEM_UNLOCKED_VALUE; spin_lock_init(&sem->wait_lock); INIT_LIST_HEAD(&sem->wait_list); -#if RWSEM_DEBUG - sem->debug = 0; -#endif } /* @@ -172,5 +173,10 @@ static inline int rwsem_atomic_update(int delta, struct compat_rw_semaphore *sem return atomic_add_return(delta, (atomic_t *)(&sem->count)); } +static inline int compat_rwsem_is_locked(struct compat_rw_semaphore *sem) +{ + return (sem->count != 0); +} + #endif /* __KERNEL__ */ #endif /* _MIPS_RWSEM_H */ > > @@ -0,0 +1,176 @@ > +/* > + * include/asm-mips/rwsem.h: R/W semaphores for MIPS using the stuff > + * in lib/rwsem.c. Adapted largely from include/asm-ppc/rwsem.h > + * by john.cooper@timesys.com > + */ > + > +#ifndef _MIPS_RWSEM_H > +#define _MIPS_RWSEM_H > + > +#ifndef _LINUX_RWSEM_H > +#error "please don't include asm/rwsem.h directly, use linux/rwsem.h instead" > +#endif > + > +#ifdef __KERNEL__ > +#include > +#include > +#include > +#include > + > +/* > + * the semaphore definition > + */ > +struct compat_rw_semaphore { > + /* XXX this should be able to be an atomic_t -- paulus */ > + signed long count; > +#define RWSEM_UNLOCKED_VALUE 0x00000000 > +#define RWSEM_ACTIVE_BIAS 0x00000001 > +#define RWSEM_ACTIVE_MASK 0x0000ffff > +#define RWSEM_WAITING_BIAS (-0x00010000) > +#define RWSEM_ACTIVE_READ_BIAS RWSEM_ACTIVE_BIAS > +#define RWSEM_ACTIVE_WRITE_BIAS (RWSEM_WAITING_BIAS + RWSEM_ACTIVE_BIAS) > + raw_spinlock_t wait_lock; > + struct list_head wait_list; > +#if RWSEM_DEBUG > + int debug; > +#endif > +}; > + > +/* > + * initialisation > + */ > +#if RWSEM_DEBUG > +#define __RWSEM_DEBUG_INIT , 0 > +#else > +#define __RWSEM_DEBUG_INIT /* */ > +#endif > + > +#define __COMPAT_RWSEM_INITIALIZER(name) \ > + { RWSEM_UNLOCKED_VALUE, SPIN_LOCK_UNLOCKED, \ > + LIST_HEAD_INIT((name).wait_list) \ > + __RWSEM_DEBUG_INIT } > + > +#define COMPAT_DECLARE_RWSEM(name) \ > + struct compat_rw_semaphore name = __COMPAT_RWSEM_INITIALIZER(name) > + > +extern struct compat_rw_semaphore *rwsem_down_read_failed(struct compat_rw_semaphore *sem); > +extern struct compat_rw_semaphore *rwsem_down_write_failed(struct compat_rw_semaphore *sem); > +extern struct compat_rw_semaphore *rwsem_wake(struct compat_rw_semaphore *sem); > +extern struct compat_rw_semaphore *rwsem_downgrade_wake(struct compat_rw_semaphore *sem); > + > +static inline void compat_init_rwsem(struct compat_rw_semaphore *sem) > +{ > + sem->count = RWSEM_UNLOCKED_VALUE; > + spin_lock_init(&sem->wait_lock); > + INIT_LIST_HEAD(&sem->wait_list); > +#if RWSEM_DEBUG > + sem->debug = 0; > +#endif > +} > + > +/* > + * lock for reading > + */ > +static inline void __down_read(struct compat_rw_semaphore *sem) > +{ > + if (atomic_inc_return((atomic_t *)(&sem->count)) > 0) > + smp_wmb(); > + else > + rwsem_down_read_failed(sem); > +} > + > +static inline int __down_read_trylock(struct compat_rw_semaphore *sem) > +{ > + int tmp; > + > + while ((tmp = sem->count) >= 0) { > + if (tmp == cmpxchg(&sem->count, tmp, > + tmp + RWSEM_ACTIVE_READ_BIAS)) { > + smp_wmb(); > + return 1; > + } > + } > + return 0; > +} > + > +/* > + * lock for writing > + */ > +static inline void __down_write(struct compat_rw_semaphore *sem) > +{ > + int tmp; > + > + tmp = atomic_add_return(RWSEM_ACTIVE_WRITE_BIAS, > + (atomic_t *)(&sem->count)); > + if (tmp == RWSEM_ACTIVE_WRITE_BIAS) > + smp_wmb(); > + else > + rwsem_down_write_failed(sem); > +} > + > +static inline int __down_write_trylock(struct compat_rw_semaphore *sem) > +{ > + int tmp; > + > + tmp = cmpxchg(&sem->count, RWSEM_UNLOCKED_VALUE, > + RWSEM_ACTIVE_WRITE_BIAS); > + smp_wmb(); > + return tmp == RWSEM_UNLOCKED_VALUE; > +} > + > +/* > + * unlock after reading > + */ > +static inline void __up_read(struct compat_rw_semaphore *sem) > +{ > + int tmp; > + > + smp_wmb(); > + tmp = atomic_dec_return((atomic_t *)(&sem->count)); > + if (tmp < -1 && (tmp & RWSEM_ACTIVE_MASK) == 0) > + rwsem_wake(sem); > +} > + > +/* > + * unlock after writing > + */ > +static inline void __up_write(struct compat_rw_semaphore *sem) > +{ > + smp_wmb(); > + if (atomic_sub_return(RWSEM_ACTIVE_WRITE_BIAS, > + (atomic_t *)(&sem->count)) < 0) > + rwsem_wake(sem); > +} > + > +/* > + * implement atomic add functionality > + */ > +static inline void rwsem_atomic_add(int delta, struct compat_rw_semaphore *sem) > +{ > + atomic_add(delta, (atomic_t *)(&sem->count)); > +} > + > +/* > + * downgrade write lock to read lock > + */ > +static inline void __downgrade_write(struct compat_rw_semaphore *sem) > +{ > + int tmp; > + > + smp_wmb(); > + tmp = atomic_add_return(-RWSEM_WAITING_BIAS, (atomic_t *)(&sem->count)); > + if (tmp < 0) > + rwsem_downgrade_wake(sem); > +} > + > +/* > + * implement exchange and add functionality > + */ > +static inline int rwsem_atomic_update(int delta, struct compat_rw_semaphore *sem) > +{ > + smp_mb(); > + return atomic_add_return(delta, (atomic_t *)(&sem->count)); > +} > + > +#endif /* __KERNEL__ */ > +#endif /* _MIPS_RWSEM_H */ > diff --git a/arch/mips/include/asm/spinlock.h b/arch/mips/include/asm/spinlock.h > index 0884947..6415b94 100644 > --- a/arch/mips/include/asm/spinlock.h > +++ b/arch/mips/include/asm/spinlock.h > @@ -34,7 +34,7 @@ > * becomes equal to the the initial value of the tail. > */ > > -static inline int __raw_spin_is_locked(raw_spinlock_t *lock) > +static inline int __raw_spin_is_locked(__raw_spinlock_t *lock) > { > unsigned int counters = ACCESS_ONCE(lock->lock); > > @@ -45,7 +45,7 @@ static inline int __raw_spin_is_locked(raw_spinlock_t *lock) > #define __raw_spin_unlock_wait(x) \ > while (__raw_spin_is_locked(x)) { cpu_relax(); } > > -static inline int __raw_spin_is_contended(raw_spinlock_t *lock) > +static inline int __raw_spin_is_contended(__raw_spinlock_t *lock) > { > unsigned int counters = ACCESS_ONCE(lock->lock); > > @@ -53,7 +53,7 @@ static inline int __raw_spin_is_contended(raw_spinlock_t *lock) > } > #define __raw_spin_is_contended __raw_spin_is_contended > > -static inline void __raw_spin_lock(raw_spinlock_t *lock) > +static inline void __raw_spin_lock(__raw_spinlock_t *lock) > { > int my_ticket; > int tmp; > @@ -134,7 +134,7 @@ static inline void __raw_spin_lock(raw_spinlock_t *lock) > smp_llsc_mb(); > } > > -static inline void __raw_spin_unlock(raw_spinlock_t *lock) > +static inline void __raw_spin_unlock(__raw_spinlock_t *lock) > { > int tmp; > > @@ -174,7 +174,7 @@ static inline void __raw_spin_unlock(raw_spinlock_t *lock) > } > } > > -static inline unsigned int __raw_spin_trylock(raw_spinlock_t *lock) > +static inline unsigned int __raw_spin_trylock(__raw_spinlock_t *lock) > { > int tmp, tmp2, tmp3; > > @@ -256,7 +256,7 @@ static inline unsigned int __raw_spin_trylock(raw_spinlock_t *lock) > */ > #define __raw_write_can_lock(rw) (!(rw)->lock) > > -static inline void __raw_read_lock(raw_rwlock_t *rw) > +static inline void __raw_read_lock(__raw_rwlock_t *rw) > { > unsigned int tmp; > > @@ -301,7 +301,7 @@ static inline void __raw_read_lock(raw_rwlock_t *rw) > /* Note the use of sub, not subu which will make the kernel die with an > overflow exception if we ever try to unlock an rwlock that is already > unlocked or is being held by a writer. */ > -static inline void __raw_read_unlock(raw_rwlock_t *rw) > +static inline void __raw_read_unlock(__raw_rwlock_t *rw) > { > unsigned int tmp; > > @@ -335,7 +335,7 @@ static inline void __raw_read_unlock(raw_rwlock_t *rw) > } > } > > -static inline void __raw_write_lock(raw_rwlock_t *rw) > +static inline void __raw_write_lock(__raw_rwlock_t *rw) > { > unsigned int tmp; > > @@ -377,7 +377,7 @@ static inline void __raw_write_lock(raw_rwlock_t *rw) > smp_llsc_mb(); > } > > -static inline void __raw_write_unlock(raw_rwlock_t *rw) > +static inline void __raw_write_unlock(__raw_rwlock_t *rw) > { > smp_mb(); > > @@ -389,7 +389,7 @@ static inline void __raw_write_unlock(raw_rwlock_t *rw) > : "memory"); > } > > -static inline int __raw_read_trylock(raw_rwlock_t *rw) > +static inline int __raw_read_trylock(__raw_rwlock_t *rw) > { > unsigned int tmp; > int ret; > @@ -433,7 +433,7 @@ static inline int __raw_read_trylock(raw_rwlock_t *rw) > return ret; > } > > -static inline int __raw_write_trylock(raw_rwlock_t *rw) > +static inline int __raw_write_trylock(__raw_rwlock_t *rw) > { > unsigned int tmp; > int ret; > diff --git a/arch/mips/include/asm/spinlock_types.h b/arch/mips/include/asm/spinlock_types.h > index adeedaa..afdda81 100644 > --- a/arch/mips/include/asm/spinlock_types.h > +++ b/arch/mips/include/asm/spinlock_types.h > @@ -12,13 +12,13 @@ typedef struct { > * bits 15..28: ticket > */ > unsigned int lock; > -} raw_spinlock_t; > +} __raw_spinlock_t; > > #define __RAW_SPIN_LOCK_UNLOCKED { 0 } > > typedef struct { > volatile unsigned int lock; > -} raw_rwlock_t; > +} __raw_rwlock_t; > > #define __RAW_RW_LOCK_UNLOCKED { 0 } > > diff --git a/arch/mips/include/asm/system.h b/arch/mips/include/asm/system.h > index cd30f83..4fc1ea2 100644 > --- a/arch/mips/include/asm/system.h > +++ b/arch/mips/include/asm/system.h > @@ -71,6 +71,9 @@ do { \ > (last) = resume(prev, next, task_thread_info(next)); \ > } while (0) > > + > +/* preempt kernel barfs in kernel/sched.c ifdef finish_arch_switch */ > +#ifndef finish_arch_switch_empty > #define finish_arch_switch(prev) \ > do { \ > if (cpu_has_dsp) \ > @@ -79,6 +82,7 @@ do { \ > write_c0_userlocal(current_thread_info()->tp_value); \ > __restore_watch(); \ > } while (0) > +#endif > > static inline unsigned long __xchg_u32(volatile int * m, unsigned int val) > { > diff --git a/arch/mips/include/asm/timeofday.h b/arch/mips/include/asm/timeofday.h > new file mode 100644 > index 0000000..33dda85 > --- /dev/null > +++ b/arch/mips/include/asm/timeofday.h > @@ -0,0 +1,5 @@ > +#ifndef _ASM_MIPS_TIMEOFDAY_H > +#define _ASM_MIPS_TIMEOFDAY_H > +#include > +#endif > + > diff --git a/arch/mips/include/asm/uaccess.h b/arch/mips/include/asm/uaccess.h > index 09ff5bb..60149c6 100644 > --- a/arch/mips/include/asm/uaccess.h > +++ b/arch/mips/include/asm/uaccess.h > @@ -696,7 +696,6 @@ extern size_t __copy_user(void *__to, const void *__from, size_t __n); > const void *__cu_from; \ > long __cu_len; \ > \ > - might_sleep(); \ > __cu_to = (to); \ > __cu_from = (from); \ > __cu_len = (n); \ > @@ -752,7 +751,6 @@ extern size_t __copy_user_inatomic(void *__to, const void *__from, size_t __n); > const void *__cu_from; \ > long __cu_len; \ > \ > - might_sleep(); \ > __cu_to = (to); \ > __cu_from = (from); \ > __cu_len = (n); \ > @@ -831,7 +829,6 @@ extern size_t __copy_user_inatomic(void *__to, const void *__from, size_t __n); > const void __user *__cu_from; \ > long __cu_len; \ > \ > - might_sleep(); \ > __cu_to = (to); \ > __cu_from = (from); \ > __cu_len = (n); \ > @@ -862,7 +859,6 @@ extern size_t __copy_user_inatomic(void *__to, const void *__from, size_t __n); > const void __user *__cu_from; \ > long __cu_len; \ > \ > - might_sleep(); \ > __cu_to = (to); \ > __cu_from = (from); \ > __cu_len = (n); \ > @@ -880,7 +876,6 @@ extern size_t __copy_user_inatomic(void *__to, const void *__from, size_t __n); > const void __user *__cu_from; \ > long __cu_len; \ > \ > - might_sleep(); \ > __cu_to = (to); \ > __cu_from = (from); \ > __cu_len = (n); \ > @@ -907,7 +902,6 @@ __clear_user(void __user *addr, __kernel_size_t size) > { > __kernel_size_t res; > > - might_sleep(); > __asm__ __volatile__( > "move\t$4, %1\n\t" > "move\t$5, $0\n\t" > @@ -956,7 +950,6 @@ __strncpy_from_user(char *__to, const char __user *__from, long __len) > { > long res; > > - might_sleep(); > __asm__ __volatile__( > "move\t$4, %1\n\t" > "move\t$5, %2\n\t" > @@ -993,7 +986,6 @@ strncpy_from_user(char *__to, const char __user *__from, long __len) > { > long res; > > - might_sleep(); > __asm__ __volatile__( > "move\t$4, %1\n\t" > "move\t$5, %2\n\t" > @@ -1012,7 +1004,6 @@ static inline long __strlen_user(const char __user *s) > { > long res; > > - might_sleep(); > __asm__ __volatile__( > "move\t$4, %1\n\t" > __MODULE_JAL(__strlen_user_nocheck_asm) > @@ -1042,7 +1033,6 @@ static inline long strlen_user(const char __user *s) > { > long res; > > - might_sleep(); > __asm__ __volatile__( > "move\t$4, %1\n\t" > __MODULE_JAL(__strlen_user_asm) > @@ -1059,7 +1049,6 @@ static inline long __strnlen_user(const char __user *s, long n) > { > long res; > > - might_sleep(); > __asm__ __volatile__( > "move\t$4, %1\n\t" > "move\t$5, %2\n\t" > @@ -1090,7 +1079,6 @@ static inline long strnlen_user(const char __user *s, long n) > { > long res; > > - might_sleep(); > __asm__ __volatile__( > "move\t$4, %1\n\t" > "move\t$5, %2\n\t" > > Why did you drop these annotations entirely? They probably should be > switched over to might_fault(). Whatever - there are more annotations in > will need to be modified the same way. And this > should probably be submitted as a separate patch anyway. > okay, will be fixed later. > diff --git a/arch/mips/kernel/cevt-r4k.c b/arch/mips/kernel/cevt-r4k.c > index 0015e44..8603d91 100644 > --- a/arch/mips/kernel/cevt-r4k.c > +++ b/arch/mips/kernel/cevt-r4k.c > @@ -82,7 +82,7 @@ out: > > struct irqaction c0_compare_irqaction = { > .handler = c0_compare_interrupt, > - .flags = IRQF_DISABLED | IRQF_PERCPU, > + .flags = IRQF_DISABLED | IRQF_PERCPU | IRQF_NODELAY, > .name = "timer", > }; > > diff --git a/arch/mips/kernel/entry.S b/arch/mips/kernel/entry.S > index ffa3310..a993d0a 100644 > --- a/arch/mips/kernel/entry.S > +++ b/arch/mips/kernel/entry.S > @@ -30,7 +30,7 @@ > .align 5 > #ifndef CONFIG_PREEMPT > FEXPORT(ret_from_exception) > - local_irq_disable # preempt stop > + raw_local_irq_disable # preempt stop > b __ret_from_irq > #endif > FEXPORT(ret_from_irq) > @@ -41,7 +41,7 @@ FEXPORT(__ret_from_irq) > beqz t0, resume_kernel > > resume_userspace: > - local_irq_disable # make sure we dont miss an > + raw_local_irq_disable # make sure we dont miss an > # interrupt setting need_resched > # between sampling and return > LONG_L a2, TI_FLAGS($28) # current->work > @@ -51,7 +51,9 @@ resume_userspace: > > #ifdef CONFIG_PREEMPT > resume_kernel: > - local_irq_disable > + raw_local_irq_disable > + lw t0, kernel_preemption > + beqz t0,restore_all > lw t0, TI_PRE_COUNT($28) > bnez t0, restore_all > need_resched: > @@ -61,7 +63,9 @@ need_resched: > LONG_L t0, PT_STATUS(sp) # Interrupts off? > andi t0, 1 > beqz t0, restore_all > + raw_local_irq_disable > jal preempt_schedule_irq > + sw zero, TI_PRE_COUNT($28) > b need_resched > #endif > > @@ -69,7 +73,7 @@ FEXPORT(ret_from_fork) > jal schedule_tail # a0 = struct task_struct *prev > > FEXPORT(syscall_exit) > - local_irq_disable # make sure need_resched and > + raw_local_irq_disable # make sure need_resched and > # signals dont change between > # sampling and return > LONG_L a2, TI_FLAGS($28) # current->work > @@ -145,9 +149,9 @@ work_pending: > andi t0, a2, _TIF_NEED_RESCHED # a2 is preloaded with TI_FLAGS > beqz t0, work_notifysig > work_resched: > - jal schedule > + jal __schedule > > - local_irq_disable # make sure need_resched and > + raw_local_irq_disable # make sure need_resched and > # signals dont change between > # sampling and return > LONG_L a2, TI_FLAGS($28) > @@ -170,7 +174,7 @@ syscall_exit_work: > li t0, _TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT > and t0, a2 # a2 is preloaded with TI_FLAGS > beqz t0, work_pending # trace bit set? > - local_irq_enable # could let do_syscall_trace() > + raw_local_irq_enable # could let do_syscall_trace() > # call schedule() instead > move a0, sp > li a1, 1 > diff --git a/arch/mips/kernel/i8253.c b/arch/mips/kernel/i8253.c > index f4d1878..8af4c8f 100644 > --- a/arch/mips/kernel/i8253.c > +++ b/arch/mips/kernel/i8253.c > @@ -14,7 +14,7 @@ > #include > #include > > -DEFINE_SPINLOCK(i8253_lock); > +DEFINE_RAW_SPINLOCK(i8253_lock); > EXPORT_SYMBOL(i8253_lock); > > /* > @@ -97,7 +97,7 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id) > > static struct irqaction irq0 = { > .handler = timer_interrupt, > - .flags = IRQF_DISABLED | IRQF_NOBALANCING, > + .flags = IRQF_DISABLED | IRQF_NOBALANCING | IRQF_NODELAY, > .mask = CPU_MASK_NONE, > .name = "timer" > }; > diff --git a/arch/mips/kernel/i8259.c b/arch/mips/kernel/i8259.c > index 7f9e771..d3f1a15 100644 > --- a/arch/mips/kernel/i8259.c > +++ b/arch/mips/kernel/i8259.c > @@ -29,7 +29,7 @@ > */ > > static int i8259A_auto_eoi = -1; > -DEFINE_SPINLOCK(i8259A_lock); > +DEFINE_RAW_SPINLOCK(i8259A_lock); > static void disable_8259A_irq(unsigned int irq); > static void enable_8259A_irq(unsigned int irq); > static void mask_and_ack_8259A(unsigned int irq); > @@ -310,6 +310,7 @@ static void init_8259A(int auto_eoi) > */ > static struct irqaction irq2 = { > .handler = no_action, > + .flags = IRQF_NODELAY, > .mask = CPU_MASK_NONE, > .name = "cascade", > }; > diff --git a/arch/mips/kernel/module.c b/arch/mips/kernel/module.c > index 1f60e27..80b7a13 100644 > --- a/arch/mips/kernel/module.c > +++ b/arch/mips/kernel/module.c > @@ -41,7 +41,7 @@ struct mips_hi16 { > static struct mips_hi16 *mips_hi16_list; > > static LIST_HEAD(dbe_list); > -static DEFINE_SPINLOCK(dbe_lock); > +static DEFINE_RAW_SPINLOCK(dbe_lock); > > void *module_alloc(unsigned long size) > { > diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c > index ca2e402..048c829 100644 > --- a/arch/mips/kernel/process.c > +++ b/arch/mips/kernel/process.c > @@ -59,13 +59,17 @@ void __noreturn cpu_idle(void) > > smtc_idle_loop_hook(); > #endif > + stop_critical_timings(); > if (cpu_wait) > (*cpu_wait)(); > + start_critical_timings(); > } > tick_nohz_restart_sched_tick(); > - preempt_enable_no_resched(); > - schedule(); > + local_irq_disable(); > + __preempt_enable_no_resched(); > + __schedule(); > preempt_disable(); > + local_irq_enable(); > } > } > > diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S > index 9ab70c3..043b6ef 100644 > --- a/arch/mips/kernel/scall32-o32.S > +++ b/arch/mips/kernel/scall32-o32.S > @@ -69,7 +69,7 @@ stack_done: > 1: sw v0, PT_R2(sp) # result > > o32_syscall_exit: > - local_irq_disable # make sure need_resched and > + raw_local_irq_disable # make sure need_resched and > # signals dont change between > # sampling and return > lw a2, TI_FLAGS($28) # current->work > diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S > index 9b46986..caeb863 100644 > --- a/arch/mips/kernel/scall64-64.S > +++ b/arch/mips/kernel/scall64-64.S > @@ -72,7 +72,7 @@ NESTED(handle_sys64, PT_SIZE, sp) > 1: sd v0, PT_R2(sp) # result > > n64_syscall_exit: > - local_irq_disable # make sure need_resched and > + raw_local_irq_disable # make sure need_resched and > # signals dont change between > # sampling and return > LONG_L a2, TI_FLAGS($28) # current->work > diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S > index 7438e92..8c6dc72 100644 > --- a/arch/mips/kernel/scall64-n32.S > +++ b/arch/mips/kernel/scall64-n32.S > @@ -69,7 +69,7 @@ NESTED(handle_sysn32, PT_SIZE, sp) > sd v0, PT_R0(sp) # set flag for syscall restarting > 1: sd v0, PT_R2(sp) # result > > - local_irq_disable # make sure need_resched and > + raw_local_irq_disable # make sure need_resched and > # signals dont change between > # sampling and return > LONG_L a2, TI_FLAGS($28) # current->work > diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S > index b0fef4f..115047c 100644 > --- a/arch/mips/kernel/scall64-o32.S > +++ b/arch/mips/kernel/scall64-o32.S > @@ -98,7 +98,7 @@ NESTED(handle_sys, PT_SIZE, sp) > 1: sd v0, PT_R2(sp) # result > > o32_syscall_exit: > - local_irq_disable # make need_resched and > + raw_local_irq_disable # make need_resched and > # signals dont change between > # sampling and return > LONG_L a2, TI_FLAGS($28) > diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c > index 830c5ef..244f219 100644 > --- a/arch/mips/kernel/signal.c > +++ b/arch/mips/kernel/signal.c > @@ -549,6 +549,11 @@ static int setup_rt_frame(struct k_sigaction * ka, struct pt_regs *regs, > if (err) > goto give_sigsegv; > > +#ifdef CONFIG_PREEMPT_RT > + local_irq_enable(); > + preempt_check_resched(); > +#endif > + > /* > * Arguments to signal handler: > * > diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c > index 2e74075..8f914b1 100644 > --- a/arch/mips/kernel/signal32.c > +++ b/arch/mips/kernel/signal32.c > @@ -667,6 +667,10 @@ static int setup_rt_frame_32(struct k_sigaction * ka, struct pt_regs *regs, > if (err) > goto give_sigsegv; > > +#ifdef CONFIG_PREEMPT_RT > + local_irq_enable(); > + preempt_check_resched(); > +#endif > /* > * Arguments to signal handler: > * > diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c > index 3da9470..19aab90 100644 > --- a/arch/mips/kernel/smp.c > +++ b/arch/mips/kernel/smp.c > @@ -232,6 +232,8 @@ int setup_profiling_timer(unsigned int multiplier) > return 0; > } > > +static DEFINE_RAW_SPINLOCK(tlbstate_lock); > + > static void flush_tlb_all_ipi(void *info) > { > local_flush_tlb_all(); > @@ -289,6 +291,7 @@ static inline void smp_on_each_tlb(void (*func) (void *info), void *info) > void flush_tlb_mm(struct mm_struct *mm) > { > preempt_disable(); > + spin_lock(&tlbstate_lock); > > if ((atomic_read(&mm->mm_users) != 1) || (current->mm != mm)) { > smp_on_other_tlbs(flush_tlb_mm_ipi, mm); > @@ -301,6 +304,7 @@ void flush_tlb_mm(struct mm_struct *mm) > if (cpu_context(cpu, mm)) > cpu_context(cpu, mm) = 0; > } > + spin_unlock(&tlbstate_lock); > local_flush_tlb_mm(mm); > > preempt_enable(); > @@ -324,6 +328,8 @@ void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, unsigned l > struct mm_struct *mm = vma->vm_mm; > > preempt_disable(); > + spin_lock(&tlbstate_lock); > + > if ((atomic_read(&mm->mm_users) != 1) || (current->mm != mm)) { > struct flush_tlb_data fd = { > .vma = vma, > @@ -341,6 +347,7 @@ void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, unsigned l > if (cpu_context(cpu, mm)) > cpu_context(cpu, mm) = 0; > } > + spin_unlock(&tlbstate_lock); > local_flush_tlb_range(vma, start, end); > preempt_enable(); > } > @@ -372,6 +379,7 @@ static void flush_tlb_page_ipi(void *info) > void flush_tlb_page(struct vm_area_struct *vma, unsigned long page) > { > preempt_disable(); > + spin_lock(&tlbstate_lock); > if ((atomic_read(&vma->vm_mm->mm_users) != 1) || (current->mm != vma->vm_mm)) { > struct flush_tlb_data fd = { > .vma = vma, > @@ -388,6 +396,7 @@ void flush_tlb_page(struct vm_area_struct *vma, unsigned long page) > if (cpu_context(cpu, vma->vm_mm)) > cpu_context(cpu, vma->vm_mm) = 0; > } > + spin_unlock(&tlbstate_lock); > local_flush_tlb_page(vma, page); > preempt_enable(); > } > diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c > index b2d7041..63232be 100644 > --- a/arch/mips/kernel/traps.c > +++ b/arch/mips/kernel/traps.c > @@ -351,7 +351,7 @@ void show_registers(const struct pt_regs *regs) > printk("\n"); > } > > -static DEFINE_SPINLOCK(die_lock); > +static DEFINE_RAW_SPINLOCK(die_lock); > > void __noreturn die(const char * str, const struct pt_regs * regs) > { > diff --git a/arch/mips/lemote/lm2e/irq.c b/arch/mips/lemote/lm2e/irq.c > index 3e0b7be..417faf4 100644 > --- a/arch/mips/lemote/lm2e/irq.c > +++ b/arch/mips/lemote/lm2e/irq.c > @@ -92,6 +92,7 @@ asmlinkage void plat_irq_dispatch(void) > > static struct irqaction cascade_irqaction = { > .handler = no_action, > + .flags = IRQF_NODELAY, > .mask = CPU_MASK_NONE, > .name = "cascade", > }; > @@ -105,7 +106,8 @@ void __init arch_init_irq(void) > * int-handler is not on bootstrap > */ > clear_c0_status(ST0_IM | ST0_BEV); > - local_irq_disable(); > + if (!irq_disabled()) > + raw_local_irq_disable(); > ooh, an error here, irq_disabled should be irqs_disabled, just discover it when compiling the kernel for fuloong2e. > /* most bonito irq should be level triggered */ > BONITO_INTEDGE = BONITO_ICU_SYSTEMERR | BONITO_ICU_MASTERERR | > diff --git a/arch/mips/lemote/lm2f/lmbook/irq.c b/arch/mips/lemote/lm2f/lmbook/irq.c > index a0039eb..b7334ac 100644 > --- a/arch/mips/lemote/lm2f/lmbook/irq.c > +++ b/arch/mips/lemote/lm2f/lmbook/irq.c > @@ -174,6 +174,7 @@ asmlinkage void plat_irq_dispatch(void) > > static struct irqaction cascade_irqaction = { > .handler = no_action, > + .flags = IRQF_NODELAY, > .mask = CPU_MASK_NONE, > .name = "cascade", > }; > @@ -187,7 +188,7 @@ static struct irqaction ip6_irqaction = { > .handler = ip6_action, > .mask = CPU_MASK_NONE, > .name = "cascade", > - .flags = IRQF_SHARED, > + .flags = IRQF_SHARED | IRQF_NODELAY, > }; > > void __init arch_init_irq(void) > @@ -199,7 +200,8 @@ void __init arch_init_irq(void) > * int-handler is not on bootstrap > */ > clear_c0_status(ST0_IM | ST0_BEV); > - local_irq_disable(); > + if (!irqs_disabled()) > + raw_local_irq_disable(); > > /* setup cs5536 as high level */ > BONITO_INTPOL = (1 << 11 | 1 << 12); > diff --git a/arch/mips/lemote/lm2f/lmbox/irq.c b/arch/mips/lemote/lm2f/lmbox/irq.c > index d26da86..164e0f2 100644 > --- a/arch/mips/lemote/lm2f/lmbox/irq.c > +++ b/arch/mips/lemote/lm2f/lmbox/irq.c > @@ -174,6 +174,7 @@ asmlinkage void plat_irq_dispatch(void) > > static struct irqaction cascade_irqaction = { > .handler = no_action, > + .flags = IRQF_NODELAY, > .mask = CPU_MASK_NONE, > .name = "cascade", > }; > @@ -187,7 +188,7 @@ static struct irqaction ip6_irqaction = { > .handler = ip6_action, > .mask = CPU_MASK_NONE, > .name = "cascade", > - .flags = IRQF_SHARED, > + .flags = IRQF_SHARED | IRQF_NODELAY, > }; > > void __init arch_init_irq(void) > @@ -199,7 +200,8 @@ void __init arch_init_irq(void) > * int-handler is not on bootstrap > */ > clear_c0_status(ST0_IM | ST0_BEV); > - local_irq_disable(); > + if (!irqs_disabled()) > + raw_local_irq_disable(); > > /* setup cs5536 as high level */ > BONITO_INTPOL = (1 << 11 | 1 << 12); > diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c > index 137c14b..e5e3028 100644 > --- a/arch/mips/mm/init.c > +++ b/arch/mips/mm/init.c > @@ -61,7 +61,7 @@ > > #endif /* CONFIG_MIPS_MT_SMTC */ > > -DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); > +DEFINE_PER_CPU_LOCKED(struct mmu_gather, mmu_gathers); > > /* > * We have up to 8 empty zeroed pages so we can map one of the right colour > diff --git a/defconfig-fuloong-rt b/defconfig-fuloong-rt > new file mode 100644 > index 0000000..becd80e > --- /dev/null > +++ b/defconfig-fuloong-rt > @@ -0,0 +1,1038 @@ > +# > +# Automatically generated make config: don't edit > +# Linux kernel version: 2.6.29.1-rt8 > +# Sun Apr 19 15:47:09 2009 > +# > +CONFIG_MIPS=y > + > +# > +# Machine selection > +# > +# CONFIG_MACH_ALCHEMY is not set > +# CONFIG_BASLER_EXCITE is not set > +# CONFIG_BCM47XX is not set > +# CONFIG_MIPS_COBALT is not set > +# CONFIG_MACH_DECSTATION is not set > +# CONFIG_MACH_JAZZ is not set > +# CONFIG_LASAT is not set > +# CONFIG_LEMOTE_FULONG is not set > +CONFIG_MACH_LM2F=y > +# CONFIG_MIPS_MALTA is not set > +# CONFIG_MIPS_SIM is not set > +# CONFIG_NEC_MARKEINS is not set > +# CONFIG_MACH_VR41XX is not set > +# CONFIG_NXP_STB220 is not set > +# CONFIG_NXP_STB225 is not set > +# CONFIG_PNX8550_JBS is not set > +# CONFIG_PNX8550_STB810 is not set > +# CONFIG_PMC_MSP is not set > +# CONFIG_PMC_YOSEMITE is not set > +# CONFIG_SGI_IP22 is not set > +# CONFIG_SGI_IP27 is not set > +# CONFIG_SGI_IP28 is not set > +# CONFIG_SGI_IP32 is not set > +# CONFIG_SIBYTE_CRHINE is not set > +# CONFIG_SIBYTE_CARMEL is not set > +# CONFIG_SIBYTE_CRHONE is not set > +# CONFIG_SIBYTE_RHONE is not set > +# CONFIG_SIBYTE_SWARM is not set > +# CONFIG_SIBYTE_LITTLESUR is not set > +# CONFIG_SIBYTE_SENTOSA is not set > +# CONFIG_SIBYTE_BIGSUR is not set > +# CONFIG_SNI_RM is not set > +# CONFIG_MACH_TX39XX is not set > +# CONFIG_MACH_TX49XX is not set > +# CONFIG_MIKROTIK_RB532 is not set > +# CONFIG_WR_PPMC is not set > +# CONFIG_CAVIUM_OCTEON_SIMULATOR is not set > +# CONFIG_CAVIUM_OCTEON_REFERENCE_BOARD is not set > +CONFIG_LEMOTE_FULONG2F=y > +# CONFIG_LEMOTE_2FNOTEBOOK is not set > +CONFIG_CS5536_RTC_BUG=y > +CONFIG_CS5536=y > +# CONFIG_LEMOTE_NAS is not set > +CONFIG_ARCH_SPARSEMEM_ENABLE=y > +CONFIG_RWSEM_GENERIC_SPINLOCK=y > +CONFIG_ASM_SEMAPHORE=y > +# CONFIG_ARCH_HAS_ILOG2_U32 is not set > +# CONFIG_ARCH_HAS_ILOG2_U64 is not set > +CONFIG_ARCH_SUPPORTS_OPROFILE=y > +CONFIG_GENERIC_FIND_NEXT_BIT=y > +CONFIG_GENERIC_HWEIGHT=y > +CONFIG_GENERIC_CALIBRATE_DELAY=y > +CONFIG_GENERIC_CLOCKEVENTS=y > +CONFIG_GENERIC_TIME=y > +CONFIG_GENERIC_CMOS_UPDATE=y > +CONFIG_SCHED_OMIT_FRAME_POINTER=y > +CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y > +CONFIG_CEVT_R4K_LIB=y > +CONFIG_CEVT_R4K=y > +CONFIG_CSRC_R4K_LIB=y > +CONFIG_CSRC_R4K=y > +CONFIG_DMA_NONCOHERENT=y > +CONFIG_DMA_NEED_PCI_MAP_STATE=y > +CONFIG_EARLY_PRINTK=y > +CONFIG_SYS_HAS_EARLY_PRINTK=y > +# CONFIG_HOTPLUG_CPU is not set > +CONFIG_I8259=y > +# CONFIG_NO_IOPORT is not set > +CONFIG_GENERIC_ISA_DMA=y > +CONFIG_GENERIC_ISA_DMA_SUPPORT_BROKEN=y > +# CONFIG_CPU_BIG_ENDIAN is not set > +CONFIG_CPU_LITTLE_ENDIAN=y > +CONFIG_SYS_SUPPORTS_LITTLE_ENDIAN=y > +CONFIG_IRQ_CPU=y > +CONFIG_BOOT_ELF32=y > +CONFIG_MIPS_L1_CACHE_SHIFT=5 > +CONFIG_HAVE_STD_PC_SERIAL_PORT=y > + > +# > +# CPU selection > +# > +CONFIG_CPU_LOONGSON2=y > +# CONFIG_CPU_MIPS32_R1 is not set > +# CONFIG_CPU_MIPS32_R2 is not set > +# CONFIG_CPU_MIPS64_R1 is not set > +# CONFIG_CPU_MIPS64_R2 is not set > +# CONFIG_CPU_R3000 is not set > +# CONFIG_CPU_TX39XX is not set > +# CONFIG_CPU_VR41XX is not set > +# CONFIG_CPU_R4300 is not set > +# CONFIG_CPU_R4X00 is not set > +# CONFIG_CPU_TX49XX is not set > +# CONFIG_CPU_R5000 is not set > +# CONFIG_CPU_R5432 is not set > +# CONFIG_CPU_R5500 is not set > +# CONFIG_CPU_R6000 is not set > +# CONFIG_CPU_NEVADA is not set > +# CONFIG_CPU_R8000 is not set > +# CONFIG_CPU_R10000 is not set > +# CONFIG_CPU_RM7000 is not set > +# CONFIG_CPU_RM9000 is not set > +# CONFIG_CPU_SB1 is not set > +# CONFIG_CPU_CAVIUM_OCTEON is not set > +CONFIG_SYS_HAS_CPU_LOONGSON2=y > +CONFIG_SYS_SUPPORTS_32BIT_KERNEL=y > +CONFIG_SYS_SUPPORTS_64BIT_KERNEL=y > +CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y > +CONFIG_CPU_SUPPORTS_64BIT_KERNEL=y > + > +# > +# Kernel type > +# > +# CONFIG_32BIT is not set > +CONFIG_64BIT=y > +# CONFIG_PAGE_SIZE_4KB is not set > +# CONFIG_PAGE_SIZE_8KB is not set > +CONFIG_PAGE_SIZE_16KB=y > +# CONFIG_PAGE_SIZE_64KB is not set > +CONFIG_BOARD_SCACHE=y > +CONFIG_MIPS_MT_DISABLED=y > +# CONFIG_MIPS_MT_SMP is not set > +# CONFIG_MIPS_MT_SMTC is not set > +CONFIG_CPU_HAS_WB=y > +CONFIG_CPU_HAS_SYNC=y > +CONFIG_GENERIC_HARDIRQS=y > +CONFIG_GENERIC_IRQ_PROBE=y > +CONFIG_CPU_SUPPORTS_HIGHMEM=y > +CONFIG_SYS_SUPPORTS_HIGHMEM=y > +CONFIG_ARCH_FLATMEM_ENABLE=y > +CONFIG_ARCH_POPULATES_NODE_MAP=y > +CONFIG_SELECT_MEMORY_MODEL=y > +CONFIG_FLATMEM_MANUAL=y > +# CONFIG_DISCONTIGMEM_MANUAL is not set > +# CONFIG_SPARSEMEM_MANUAL is not set > +CONFIG_FLATMEM=y > +CONFIG_FLAT_NODE_MEM_MAP=y > +CONFIG_SPARSEMEM_STATIC=y > +CONFIG_PAGEFLAGS_EXTENDED=y > +CONFIG_SPLIT_PTLOCK_CPUS=4 > +CONFIG_PHYS_ADDR_T_64BIT=y > +CONFIG_ZONE_DMA_FLAG=0 > +CONFIG_VIRT_TO_BUS=y > +CONFIG_UNEVICTABLE_LRU=y > +CONFIG_TICK_ONESHOT=y > +# CONFIG_NO_HZ is not set > +CONFIG_HIGH_RES_TIMERS=y > +CONFIG_GENERIC_CLOCKEVENTS_BUILD=y > +# CONFIG_HZ_48 is not set > +# CONFIG_HZ_100 is not set > +# CONFIG_HZ_128 is not set > +# CONFIG_HZ_250 is not set > +# CONFIG_HZ_256 is not set > +CONFIG_HZ_1000=y > +# CONFIG_HZ_1024 is not set > +CONFIG_SYS_SUPPORTS_ARBIT_HZ=y > +CONFIG_HZ=1000 > +# CONFIG_PREEMPT_NONE is not set > +# CONFIG_PREEMPT_VOLUNTARY is not set > +# CONFIG_PREEMPT_DESKTOP is not set > +CONFIG_PREEMPT_RT=y > +CONFIG_PREEMPT=y > +CONFIG_PREEMPT_SOFTIRQS=y > +CONFIG_PREEMPT_HARDIRQS=y > +# CONFIG_KEXEC is not set > +# CONFIG_SECCOMP is not set > +CONFIG_LOCKDEP_SUPPORT=y > +CONFIG_STACKTRACE_SUPPORT=y > +CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" > + > +# > +# General setup > +# > +CONFIG_EXPERIMENTAL=y > +CONFIG_BROKEN_ON_SMP=y > +CONFIG_LOCK_KERNEL=y > +CONFIG_INIT_ENV_ARG_LIMIT=32 > +CONFIG_LOCALVERSION="-fuloong2f" > +# CONFIG_LOCALVERSION_AUTO is not set > +# CONFIG_SWAP is not set > +CONFIG_SYSVIPC=y > +CONFIG_SYSVIPC_SYSCTL=y > +CONFIG_POSIX_MQUEUE=y > +# CONFIG_BSD_PROCESS_ACCT is not set > +# CONFIG_TASKSTATS is not set > +# CONFIG_AUDIT is not set > + > +# > +# RCU Subsystem > +# > +# CONFIG_CLASSIC_RCU is not set > +# CONFIG_TREE_RCU is not set > +CONFIG_PREEMPT_RCU=y > +# CONFIG_RCU_TRACE is not set > +# CONFIG_TREE_RCU_TRACE is not set > +# CONFIG_PREEMPT_RCU_TRACE is not set > +# CONFIG_IKCONFIG is not set > +CONFIG_LOG_BUF_SHIFT=15 > +# CONFIG_GROUP_SCHED is not set > +# CONFIG_CGROUPS is not set > +# CONFIG_RELAY is not set > +# CONFIG_NAMESPACES is not set > +# CONFIG_BLK_DEV_INITRD is not set > +# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set > +CONFIG_SYSCTL=y > +CONFIG_ANON_INODES=y > +CONFIG_EMBEDDED=y > +# CONFIG_SYSCTL_SYSCALL is not set > +# CONFIG_KALLSYMS is not set > +# CONFIG_HOTPLUG is not set > +CONFIG_PRINTK=y > +CONFIG_BUG=y > +# CONFIG_ELF_CORE is not set > +# CONFIG_PCSPKR_PLATFORM is not set > +CONFIG_BASE_FULL=y > +CONFIG_FUTEX=y > +CONFIG_EPOLL=y > +CONFIG_SIGNALFD=y > +CONFIG_TIMERFD=y > +CONFIG_EVENTFD=y > +# CONFIG_SHMEM is not set > +CONFIG_AIO=y > + > +# > +# Performance Counters > +# > +# CONFIG_VM_EVENT_COUNTERS is not set > +CONFIG_PCI_QUIRKS=y > +CONFIG_COMPAT_BRK=y > +CONFIG_SLAB=y > +# CONFIG_SLUB is not set > +# CONFIG_SLOB is not set > +# CONFIG_PROFILING is not set > +# CONFIG_MARKERS is not set > +CONFIG_HAVE_OPROFILE=y > +CONFIG_HAVE_SYSCALL_WRAPPERS=y > +# CONFIG_HAVE_GENERIC_DMA_COHERENT is not set > +CONFIG_SLABINFO=y > +CONFIG_RT_MUTEXES=y > +CONFIG_BASE_SMALL=0 > +# CONFIG_MODULES is not set > +CONFIG_BLOCK=y > +# CONFIG_BLK_DEV_BSG is not set > +# CONFIG_BLK_DEV_INTEGRITY is not set > +CONFIG_BLOCK_COMPAT=y > + > +# > +# IO Schedulers > +# > +CONFIG_IOSCHED_NOOP=y > +# CONFIG_IOSCHED_AS is not set > +CONFIG_IOSCHED_DEADLINE=y > +# CONFIG_IOSCHED_CFQ is not set > +# CONFIG_DEFAULT_AS is not set > +CONFIG_DEFAULT_DEADLINE=y > +# CONFIG_DEFAULT_CFQ is not set > +# CONFIG_DEFAULT_NOOP is not set > +CONFIG_DEFAULT_IOSCHED="deadline" > +# CONFIG_FREEZER is not set > + > +# > +# Bus options (PCI, PCMCIA, EISA, ISA, TC) > +# > +CONFIG_HW_HAS_PCI=y > +CONFIG_PCI=y > +CONFIG_PCI_DOMAINS=y > +# CONFIG_ARCH_SUPPORTS_MSI is not set > +# CONFIG_PCI_LEGACY is not set > +# CONFIG_PCI_STUB is not set > +CONFIG_ISA=y > +CONFIG_MMU=y > + > +# > +# Executable file formats > +# > +CONFIG_BINFMT_ELF=y > +# CONFIG_HAVE_AOUT is not set > +# CONFIG_BINFMT_MISC is not set > +CONFIG_MIPS32_COMPAT=y > +CONFIG_COMPAT=y > +CONFIG_SYSVIPC_COMPAT=y > +CONFIG_MIPS32_O32=y > +CONFIG_MIPS32_N32=y > +CONFIG_BINFMT_ELF32=y > + > +# > +# Power management options > +# > +CONFIG_ARCH_SUSPEND_POSSIBLE=y > +# CONFIG_PM is not set > + > +# > +# CPU Frequency scaling > +# > +# CONFIG_CPU_FREQ is not set > +CONFIG_NET=y > + > +# > +# Networking options > +# > +CONFIG_COMPAT_NET_DEV_OPS=y > +CONFIG_PACKET=y > +# CONFIG_PACKET_MMAP is not set > +CONFIG_UNIX=y > +# CONFIG_NET_KEY is not set > +CONFIG_INET=y > +# CONFIG_IP_MULTICAST is not set > +# CONFIG_IP_ADVANCED_ROUTER is not set > +CONFIG_IP_FIB_HASH=y > +# CONFIG_IP_PNP is not set > +# CONFIG_NET_IPIP is not set > +# CONFIG_NET_IPGRE is not set > +# CONFIG_ARPD is not set > +# CONFIG_SYN_COOKIES is not set > +# CONFIG_INET_AH is not set > +# CONFIG_INET_ESP is not set > +# CONFIG_INET_IPCOMP is not set > +# CONFIG_INET_XFRM_TUNNEL is not set > +# CONFIG_INET_TUNNEL is not set > +# CONFIG_INET_XFRM_MODE_TRANSPORT is not set > +# CONFIG_INET_XFRM_MODE_TUNNEL is not set > +# CONFIG_INET_XFRM_MODE_BEET is not set > +# CONFIG_INET_LRO is not set > +# CONFIG_INET_DIAG is not set > +# CONFIG_TCP_CONG_ADVANCED is not set > +CONFIG_TCP_CONG_CUBIC=y > +CONFIG_DEFAULT_TCP_CONG="cubic" > +# CONFIG_TCP_MD5SIG is not set > +# CONFIG_IPV6 is not set > +# CONFIG_NETWORK_SECMARK is not set > +# CONFIG_NETFILTER is not set > +# CONFIG_IP_DCCP is not set > +# CONFIG_IP_SCTP is not set > +# CONFIG_TIPC is not set > +# CONFIG_ATM is not set > +# CONFIG_BRIDGE is not set > +# CONFIG_NET_DSA is not set > +# CONFIG_VLAN_8021Q is not set > +# CONFIG_DECNET is not set > +# CONFIG_LLC2 is not set > +# CONFIG_IPX is not set > +# CONFIG_ATALK is not set > +# CONFIG_X25 is not set > +# CONFIG_LAPB is not set > +# CONFIG_ECONET is not set > +# CONFIG_WAN_ROUTER is not set > +# CONFIG_NET_SCHED is not set > +# CONFIG_DCB is not set > + > +# > +# Network testing > +# > +# CONFIG_NET_PKTGEN is not set > +# CONFIG_HAMRADIO is not set > +# CONFIG_CAN is not set > +# CONFIG_IRDA is not set > +# CONFIG_BT is not set > +# CONFIG_AF_RXRPC is not set > +# CONFIG_PHONET is not set > +# CONFIG_WIRELESS is not set > +# CONFIG_WIMAX is not set > +# CONFIG_RFKILL is not set > + > +# > +# Device Drivers > +# > + > +# > +# Generic Driver Options > +# > +CONFIG_STANDALONE=y > +CONFIG_PREVENT_FIRMWARE_BUILD=y > +# CONFIG_SYS_HYPERVISOR is not set > +# CONFIG_CONNECTOR is not set > +# CONFIG_MTD is not set > +# CONFIG_PARPORT is not set > +# CONFIG_PNP is not set > +# CONFIG_BLK_DEV is not set > +# CONFIG_MISC_DEVICES is not set > +CONFIG_HAVE_IDE=y > +CONFIG_IDE=y > + > +# > +# Please see Documentation/ide/ide.txt for help/info on IDE drives > +# > +CONFIG_IDE_TIMINGS=y > +# CONFIG_BLK_DEV_IDE_SATA is not set > +CONFIG_IDE_GD=y > +CONFIG_IDE_GD_ATA=y > +# CONFIG_IDE_GD_ATAPI is not set > +# CONFIG_BLK_DEV_IDECD is not set > +# CONFIG_BLK_DEV_IDETAPE is not set > +CONFIG_IDE_TASK_IOCTL=y > +CONFIG_IDE_PROC_FS=y > + > +# > +# IDE chipset support/bugfixes > +# > +# CONFIG_IDE_GENERIC is not set > +# CONFIG_BLK_DEV_PLATFORM is not set > +CONFIG_BLK_DEV_IDEDMA_SFF=y > + > +# > +# PCI IDE chipsets support > +# > +CONFIG_BLK_DEV_IDEPCI=y > +# CONFIG_IDEPCI_PCIBUS_ORDER is not set > +# CONFIG_BLK_DEV_OFFBOARD is not set > +CONFIG_BLK_DEV_GENERIC=y > +# CONFIG_BLK_DEV_OPTI621 is not set > +CONFIG_BLK_DEV_IDEDMA_PCI=y > +# CONFIG_BLK_DEV_AEC62XX is not set > +# CONFIG_BLK_DEV_ALI15X3 is not set > +CONFIG_BLK_DEV_AMD74XX=y > +# CONFIG_BLK_DEV_CMD64X is not set > +# CONFIG_BLK_DEV_TRIFLEX is not set > +# CONFIG_BLK_DEV_CS5520 is not set > +# CONFIG_BLK_DEV_CS5530 is not set > +# CONFIG_BLK_DEV_HPT366 is not set > +CONFIG_BLK_DEV_JMICRON=y > +# CONFIG_BLK_DEV_SC1200 is not set > +# CONFIG_BLK_DEV_PIIX is not set > +# CONFIG_BLK_DEV_IT8172 is not set > +# CONFIG_BLK_DEV_IT8213 is not set > +# CONFIG_BLK_DEV_IT821X is not set > +# CONFIG_BLK_DEV_NS87415 is not set > +# CONFIG_BLK_DEV_PDC202XX_OLD is not set > +# CONFIG_BLK_DEV_PDC202XX_NEW is not set > +# CONFIG_BLK_DEV_SVWKS is not set > +# CONFIG_BLK_DEV_SIIMAGE is not set > +# CONFIG_BLK_DEV_SLC90E66 is not set > +# CONFIG_BLK_DEV_TRM290 is not set > +# CONFIG_BLK_DEV_VIA82CXXX is not set > +# CONFIG_BLK_DEV_TC86C001 is not set > + > +# > +# Other IDE chipsets support > +# > + > +# > +# Note: most of these also require special kernel boot parameters > +# > +# CONFIG_BLK_DEV_4DRIVES is not set > +# CONFIG_BLK_DEV_ALI14XX is not set > +# CONFIG_BLK_DEV_DTC2278 is not set > +# CONFIG_BLK_DEV_HT6560B is not set > +# CONFIG_BLK_DEV_QD65XX is not set > +# CONFIG_BLK_DEV_UMC8672 is not set > +CONFIG_BLK_DEV_IDEDMA=y > + > +# > +# SCSI device support > +# > +# CONFIG_RAID_ATTRS is not set > +# CONFIG_SCSI is not set > +# CONFIG_SCSI_DMA is not set > +# CONFIG_SCSI_NETLINK is not set > +# CONFIG_ATA is not set > +# CONFIG_MD is not set > +# CONFIG_FUSION is not set > + > +# > +# IEEE 1394 (FireWire) support > +# > + > +# > +# Enable only one of the two stacks, unless you know what you are doing > +# > +# CONFIG_FIREWIRE is not set > +# CONFIG_IEEE1394 is not set > +# CONFIG_I2O is not set > +CONFIG_NETDEVICES=y > +# CONFIG_DUMMY is not set > +# CONFIG_BONDING is not set > +# CONFIG_MACVLAN is not set > +# CONFIG_EQUALIZER is not set > +# CONFIG_TUN is not set > +# CONFIG_VETH is not set > +# CONFIG_ARCNET is not set > +# CONFIG_NET_ETHERNET is not set > +CONFIG_MII=y > +CONFIG_NETDEV_1000=y > +# CONFIG_ACENIC is not set > +# CONFIG_DL2K is not set > +# CONFIG_E1000 is not set > +# CONFIG_E1000E is not set > +# CONFIG_IP1000 is not set > +# CONFIG_IGB is not set > +# CONFIG_NS83820 is not set > +# CONFIG_HAMACHI is not set > +# CONFIG_YELLOWFIN is not set > +CONFIG_R8169=y > +# CONFIG_SIS190 is not set > +# CONFIG_SKGE is not set > +# CONFIG_SKY2 is not set > +# CONFIG_VIA_VELOCITY is not set > +# CONFIG_TIGON3 is not set > +# CONFIG_BNX2 is not set > +# CONFIG_QLA3XXX is not set > +# CONFIG_ATL1 is not set > +# CONFIG_ATL1E is not set > +# CONFIG_ATL1C is not set > +# CONFIG_JME is not set > +# CONFIG_NETDEV_10000 is not set > +# CONFIG_TR is not set > + > +# > +# Wireless LAN > +# > +# CONFIG_WLAN_PRE80211 is not set > +# CONFIG_WLAN_80211 is not set > +# CONFIG_IWLWIFI_LEDS is not set > + > +# > +# Enable WiMAX (Networking options) to see the WiMAX drivers > +# > + > +# > +# USB Network Adapters > +# > +# CONFIG_USB_CATC is not set > +# CONFIG_USB_KAWETH is not set > +# CONFIG_USB_PEGASUS is not set > +# CONFIG_USB_RTL8150 is not set > +# CONFIG_USB_USBNET is not set > +# CONFIG_WAN is not set > +# CONFIG_FDDI is not set > +# CONFIG_HIPPI is not set > +# CONFIG_PPP is not set > +# CONFIG_SLIP is not set > +# CONFIG_NETCONSOLE is not set > +# CONFIG_NETPOLL is not set > +# CONFIG_NET_POLL_CONTROLLER is not set > +# CONFIG_ISDN is not set > +# CONFIG_PHONE is not set > + > +# > +# Input device support > +# > +CONFIG_INPUT=y > +# CONFIG_INPUT_FF_MEMLESS is not set > +# CONFIG_INPUT_POLLDEV is not set > + > +# > +# Userland interfaces > +# > +# CONFIG_INPUT_MOUSEDEV is not set > +# CONFIG_INPUT_JOYDEV is not set > +# CONFIG_INPUT_EVDEV is not set > +# CONFIG_INPUT_EVBUG is not set > + > +# > +# Input Device Drivers > +# > +CONFIG_INPUT_KEYBOARD=y > +CONFIG_KEYBOARD_ATKBD=y > +# CONFIG_KEYBOARD_SUNKBD is not set > +# CONFIG_KEYBOARD_LKKBD is not set > +# CONFIG_KEYBOARD_XTKBD is not set > +# CONFIG_KEYBOARD_NEWTON is not set > +# CONFIG_KEYBOARD_STOWAWAY is not set > +CONFIG_INPUT_MOUSE=y > +CONFIG_MOUSE_PS2=y > +CONFIG_MOUSE_PS2_ALPS=y > +CONFIG_MOUSE_PS2_LOGIPS2PP=y > +CONFIG_MOUSE_PS2_SYNAPTICS=y > +CONFIG_MOUSE_PS2_TRACKPOINT=y > +# CONFIG_MOUSE_PS2_ELANTECH is not set > +# CONFIG_MOUSE_PS2_TOUCHKIT is not set > +# CONFIG_MOUSE_SERIAL is not set > +# CONFIG_MOUSE_APPLETOUCH is not set > +# CONFIG_MOUSE_BCM5974 is not set > +# CONFIG_MOUSE_INPORT is not set > +# CONFIG_MOUSE_LOGIBM is not set > +# CONFIG_MOUSE_PC110PAD is not set > +# CONFIG_MOUSE_VSXXXAA is not set > +# CONFIG_INPUT_JOYSTICK is not set > +# CONFIG_INPUT_TABLET is not set > +# CONFIG_INPUT_TOUCHSCREEN is not set > +# CONFIG_INPUT_MISC is not set > + > +# > +# Hardware I/O ports > +# > +CONFIG_SERIO=y > +# CONFIG_SERIO_I8042 is not set > +CONFIG_SERIO_SERPORT=y > +# CONFIG_SERIO_PCIPS2 is not set > +CONFIG_SERIO_LIBPS2=y > +# CONFIG_SERIO_RAW is not set > +# CONFIG_GAMEPORT is not set > + > +# > +# Character devices > +# > +CONFIG_VT=y > +CONFIG_CONSOLE_TRANSLATIONS=y > +CONFIG_VT_CONSOLE=y > +CONFIG_HW_CONSOLE=y > +# CONFIG_VT_HW_CONSOLE_BINDING is not set > +# CONFIG_DEVKMEM is not set > +CONFIG_SERIAL_NONSTANDARD=y > +# CONFIG_COMPUTONE is not set > +# CONFIG_ROCKETPORT is not set > +# CONFIG_CYCLADES is not set > +# CONFIG_DIGIEPCA is not set > +# CONFIG_MOXA_INTELLIO is not set > +# CONFIG_MOXA_SMARTIO is not set > +# CONFIG_ISI is not set > +# CONFIG_SYNCLINKMP is not set > +# CONFIG_SYNCLINK_GT is not set > +# CONFIG_N_HDLC is not set > +# CONFIG_RISCOM8 is not set > +# CONFIG_SPECIALIX is not set > +# CONFIG_SX is not set > +# CONFIG_RIO is not set > +# CONFIG_STALDRV is not set > +# CONFIG_NOZOMI is not set > + > +# > +# Serial drivers > +# > +CONFIG_SERIAL_8250=y > +CONFIG_SERIAL_8250_CONSOLE=y > +CONFIG_SERIAL_8250_PCI=y > +CONFIG_SERIAL_8250_NR_UARTS=16 > +CONFIG_SERIAL_8250_RUNTIME_UARTS=4 > +# CONFIG_SERIAL_8250_EXTENDED is not set > + > +# > +# Non-8250 serial port support > +# > +CONFIG_SERIAL_CORE=y > +CONFIG_SERIAL_CORE_CONSOLE=y > +# CONFIG_SERIAL_JSM is not set > +CONFIG_UNIX98_PTYS=y > +# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set > +CONFIG_LEGACY_PTYS=y > +CONFIG_LEGACY_PTY_COUNT=16 > +# CONFIG_IPMI_HANDLER is not set > +# CONFIG_HW_RANDOM is not set > +# CONFIG_RTC is not set > +# CONFIG_DTLK is not set > +# CONFIG_R3964 is not set > +# CONFIG_APPLICOM is not set > +# CONFIG_RAW_DRIVER is not set > +# CONFIG_TCG_TPM is not set > +CONFIG_DEVPORT=y > +# CONFIG_I2C is not set > +# CONFIG_SPI is not set > +# CONFIG_W1 is not set > +# CONFIG_POWER_SUPPLY is not set > +# CONFIG_HWMON is not set > +# CONFIG_THERMAL is not set > +# CONFIG_THERMAL_HWMON is not set > +# CONFIG_WATCHDOG is not set > +CONFIG_SSB_POSSIBLE=y > + > +# > +# Sonics Silicon Backplane > +# > +# CONFIG_SSB is not set > + > +# > +# Multifunction device drivers > +# > +# CONFIG_MFD_CORE is not set > +# CONFIG_MFD_SM501 is not set > +# CONFIG_HTC_PASIC3 is not set > +# CONFIG_MFD_TMIO is not set > +# CONFIG_REGULATOR is not set > + > +# > +# Multimedia devices > +# > + > +# > +# Multimedia core support > +# > +# CONFIG_VIDEO_DEV is not set > +# CONFIG_DVB_CORE is not set > +# CONFIG_VIDEO_MEDIA is not set > + > +# > +# Multimedia drivers > +# > +# CONFIG_DAB is not set > + > +# > +# Graphics support > +# > +# CONFIG_DRM is not set > +CONFIG_VGASTATE=y > +# CONFIG_VIDEO_OUTPUT_CONTROL is not set > +CONFIG_FB=y > +CONFIG_FIRMWARE_EDID=y > +# CONFIG_FB_DDC is not set > +CONFIG_FB_BOOT_VESA_SUPPORT=y > +CONFIG_FB_CFB_FILLRECT=y > +CONFIG_FB_CFB_COPYAREA=y > +CONFIG_FB_CFB_IMAGEBLIT=y > +# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set > +CONFIG_FB_SYS_FILLRECT=y > +CONFIG_FB_SYS_COPYAREA=y > +CONFIG_FB_SYS_IMAGEBLIT=y > +# CONFIG_FB_FOREIGN_ENDIAN is not set > +CONFIG_FB_SYS_FOPS=y > +# CONFIG_FB_SVGALIB is not set > +# CONFIG_FB_MACMODES is not set > +# CONFIG_FB_BACKLIGHT is not set > +CONFIG_FB_MODE_HELPERS=y > +CONFIG_FB_TILEBLITTING=y > + > +# > +# Frame buffer hardware drivers > +# > +# CONFIG_FB_CIRRUS is not set > +# CONFIG_FB_PM2 is not set > +# CONFIG_FB_CYBER2000 is not set > +# CONFIG_FB_ASILIANT is not set > +# CONFIG_FB_IMSTT is not set > +# CONFIG_FB_S1D13XXX is not set > +# CONFIG_FB_NVIDIA is not set > +CONFIG_FB_RIVA=y > +# CONFIG_FB_RIVA_I2C is not set > +# CONFIG_FB_RIVA_DEBUG is not set > +# CONFIG_FB_RIVA_BACKLIGHT is not set > +# CONFIG_FB_MATROX is not set > +# CONFIG_FB_RADEON is not set > +# CONFIG_FB_ATY128 is not set > +# CONFIG_FB_ATY is not set > +# CONFIG_FB_S3 is not set > +# CONFIG_FB_SAVAGE is not set > +CONFIG_FB_SIS=y > +CONFIG_FB_SIS_300=y > +CONFIG_FB_SIS_315=y > +# CONFIG_FB_VIA is not set > +# CONFIG_FB_NEOMAGIC is not set > +# CONFIG_FB_KYRO is not set > +# CONFIG_FB_3DFX is not set > +# CONFIG_FB_VOODOO1 is not set > +# CONFIG_FB_VT8623 is not set > +# CONFIG_FB_TRIDENT is not set > +# CONFIG_FB_ARK is not set > +# CONFIG_FB_PM3 is not set > +# CONFIG_FB_CARMINE is not set > +# CONFIG_FB_SILICONMOTION is not set > +CONFIG_FB_VIRTUAL=y > +# CONFIG_FB_METRONOME is not set > +# CONFIG_FB_MB862XX is not set > +CONFIG_BACKLIGHT_LCD_SUPPORT=y > +# CONFIG_LCD_CLASS_DEVICE is not set > +CONFIG_BACKLIGHT_CLASS_DEVICE=y > +CONFIG_BACKLIGHT_GENERIC=y > + > +# > +# Display device support > +# > +# CONFIG_DISPLAY_SUPPORT is not set > + > +# > +# Console display driver support > +# > +# CONFIG_VGA_CONSOLE is not set > +# CONFIG_MDA_CONSOLE is not set > +CONFIG_DUMMY_CONSOLE=y > +CONFIG_FRAMEBUFFER_CONSOLE=y > +# CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY is not set > +CONFIG_FRAMEBUFFER_CONSOLE_ROTATION=y > +# CONFIG_FONTS is not set > +CONFIG_FONT_8x8=y > +CONFIG_FONT_8x16=y > +# CONFIG_LOGO is not set > +# CONFIG_SOUND is not set > +CONFIG_HID_SUPPORT=y > +CONFIG_HID=y > +# CONFIG_HID_DEBUG is not set > +# CONFIG_HIDRAW is not set > + > +# > +# USB Input Devices > +# > +CONFIG_USB_HID=y > +# CONFIG_HID_PID is not set > +# CONFIG_USB_HIDDEV is not set > + > +# > +# Special HID drivers > +# > +CONFIG_HID_COMPAT=y > +# CONFIG_HID_A4TECH is not set > +# CONFIG_HID_APPLE is not set > +# CONFIG_HID_BELKIN is not set > +# CONFIG_HID_CHERRY is not set > +# CONFIG_HID_CHICONY is not set > +# CONFIG_HID_CYPRESS is not set > +# CONFIG_HID_EZKEY is not set > +# CONFIG_HID_GYRATION is not set > +# CONFIG_HID_LOGITECH is not set > +# CONFIG_HID_MICROSOFT is not set > +# CONFIG_HID_MONTEREY is not set > +# CONFIG_HID_NTRIG is not set > +# CONFIG_HID_PANTHERLORD is not set > +# CONFIG_HID_PETALYNX is not set > +# CONFIG_HID_SAMSUNG is not set > +# CONFIG_HID_SONY is not set > +# CONFIG_HID_SUNPLUS is not set > +# CONFIG_GREENASIA_FF is not set > +# CONFIG_HID_TOPSEED is not set > +# CONFIG_THRUSTMASTER_FF is not set > +# CONFIG_ZEROPLUS_FF is not set > +CONFIG_USB_SUPPORT=y > +CONFIG_USB_ARCH_HAS_HCD=y > +CONFIG_USB_ARCH_HAS_OHCI=y > +CONFIG_USB_ARCH_HAS_EHCI=y > +CONFIG_USB=y > +# CONFIG_USB_DEBUG is not set > +# CONFIG_USB_ANNOUNCE_NEW_DEVICES is not set > + > +# > +# Miscellaneous USB options > +# > +CONFIG_USB_DEVICEFS=y > +CONFIG_USB_DEVICE_CLASS=y > +# CONFIG_USB_DYNAMIC_MINORS is not set > +# CONFIG_USB_OTG is not set > +# CONFIG_USB_OTG_WHITELIST is not set > +# CONFIG_USB_OTG_BLACKLIST_HUB is not set > +# CONFIG_USB_MON is not set > +# CONFIG_USB_WUSB is not set > +# CONFIG_USB_WUSB_CBAF is not set > + > +# > +# USB Host Controller Drivers > +# > +# CONFIG_USB_C67X00_HCD is not set > +CONFIG_USB_EHCI_HCD=y > +CONFIG_USB_EHCI_ROOT_HUB_TT=y > +# CONFIG_USB_EHCI_TT_NEWSCHED is not set > +# CONFIG_USB_OXU210HP_HCD is not set > +# CONFIG_USB_ISP116X_HCD is not set > +# CONFIG_USB_ISP1760_HCD is not set > +CONFIG_USB_OHCI_HCD=y > +# CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set > +# CONFIG_USB_OHCI_BIG_ENDIAN_MMIO is not set > +CONFIG_USB_OHCI_LITTLE_ENDIAN=y > +# CONFIG_USB_UHCI_HCD is not set > +# CONFIG_USB_SL811_HCD is not set > +# CONFIG_USB_R8A66597_HCD is not set > +# CONFIG_USB_HWA_HCD is not set > + > +# > +# USB Device Class drivers > +# > +# CONFIG_USB_ACM is not set > +# CONFIG_USB_PRINTER is not set > +# CONFIG_USB_WDM is not set > +# CONFIG_USB_TMC is not set > + > +# > +# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may also be needed; > +# > + > +# > +# see USB_STORAGE Help for more information > +# > +# CONFIG_USB_LIBUSUAL is not set > + > +# > +# USB Imaging devices > +# > +# CONFIG_USB_MDC800 is not set > + > +# > +# USB port drivers > +# > +# CONFIG_USB_SERIAL is not set > + > +# > +# USB Miscellaneous drivers > +# > +# CONFIG_USB_EMI62 is not set > +# CONFIG_USB_EMI26 is not set > +# CONFIG_USB_ADUTUX is not set > +# CONFIG_USB_SEVSEG is not set > +# CONFIG_USB_RIO500 is not set > +# CONFIG_USB_LEGOTOWER is not set > +# CONFIG_USB_LCD is not set > +# CONFIG_USB_BERRY_CHARGE is not set > +# CONFIG_USB_LED is not set > +# CONFIG_USB_CYPRESS_CY7C63 is not set > +# CONFIG_USB_CYTHERM is not set > +# CONFIG_USB_PHIDGET is not set > +# CONFIG_USB_IDMOUSE is not set > +# CONFIG_USB_FTDI_ELAN is not set > +# CONFIG_USB_APPLEDISPLAY is not set > +# CONFIG_USB_SISUSBVGA is not set > +# CONFIG_USB_LD is not set > +# CONFIG_USB_TRANCEVIBRATOR is not set > +# CONFIG_USB_IOWARRIOR is not set > +# CONFIG_USB_TEST is not set > +# CONFIG_USB_ISIGHTFW is not set > +# CONFIG_USB_VST is not set > + > +# > +# OTG and related infrastructure > +# > +# CONFIG_UWB is not set > +# CONFIG_MMC is not set > +# CONFIG_MEMSTICK is not set > +# CONFIG_NEW_LEDS is not set > +# CONFIG_ACCESSIBILITY is not set > +# CONFIG_RTC_CLASS is not set > +# CONFIG_DMADEVICES is not set > +# CONFIG_UIO is not set > +# CONFIG_STAGING is not set > + > +# > +# File systems > +# > +# CONFIG_EXT2_FS is not set > +CONFIG_EXT3_FS=y > +# CONFIG_EXT3_FS_XATTR is not set > +# CONFIG_EXT4_FS is not set > +CONFIG_JBD=y > +# CONFIG_REISERFS_FS is not set > +# CONFIG_JFS_FS is not set > +# CONFIG_FS_POSIX_ACL is not set > +CONFIG_FILE_LOCKING=y > +# CONFIG_XFS_FS is not set > +# CONFIG_GFS2_FS is not set > +# CONFIG_BTRFS_FS is not set > +# CONFIG_DNOTIFY is not set > +# CONFIG_INOTIFY is not set > +# CONFIG_QUOTA is not set > +# CONFIG_AUTOFS_FS is not set > +# CONFIG_AUTOFS4_FS is not set > +# CONFIG_FUSE_FS is not set > + > +# > +# CD-ROM/DVD Filesystems > +# > +# CONFIG_ISO9660_FS is not set > +# CONFIG_UDF_FS is not set > + > +# > +# DOS/FAT/NT Filesystems > +# > +# CONFIG_MSDOS_FS is not set > +# CONFIG_VFAT_FS is not set > +# CONFIG_NTFS_FS is not set > + > +# > +# Pseudo filesystems > +# > +CONFIG_PROC_FS=y > +CONFIG_PROC_KCORE=y > +CONFIG_PROC_SYSCTL=y > +CONFIG_PROC_PAGE_MONITOR=y > +# CONFIG_SYSFS is not set > +# CONFIG_TMPFS is not set > +# CONFIG_HUGETLB_PAGE is not set > +# CONFIG_MISC_FILESYSTEMS is not set > +# CONFIG_NETWORK_FILESYSTEMS is not set > + > +# > +# Partition Types > +# > +# CONFIG_PARTITION_ADVANCED is not set > +CONFIG_MSDOS_PARTITION=y > +# CONFIG_NLS is not set > + > +# > +# Kernel hacking > +# > +CONFIG_TRACE_IRQFLAGS_SUPPORT=y > +# CONFIG_PRINTK_TIME is not set > +CONFIG_ALLOW_WARNINGS=y > +# CONFIG_ENABLE_WARN_DEPRECATED is not set > +# CONFIG_ENABLE_MUST_CHECK is not set > +CONFIG_FRAME_WARN=1024 > +# CONFIG_MAGIC_SYSRQ is not set > +# CONFIG_UNUSED_SYMBOLS is not set > +# CONFIG_HEADERS_CHECK is not set > +# CONFIG_DEBUG_SECTION_MISMATCH is not set > +# CONFIG_DEBUG_KERNEL is not set > +# CONFIG_DEBUG_MEMORY_INIT is not set > +CONFIG_TRACING_SUPPORT=y > + > +# > +# Tracers > +# > +# CONFIG_IRQSOFF_TRACER is not set > +# CONFIG_PREEMPT_TRACER is not set > +# CONFIG_SCHED_TRACER is not set > +# CONFIG_CONTEXT_SWITCH_TRACER is not set > +# CONFIG_EVENT_TRACER is not set > +# CONFIG_BOOT_TRACER is not set > +# CONFIG_TRACE_BRANCH_PROFILING is not set > +# CONFIG_KMEMTRACE is not set > +# CONFIG_DYNAMIC_PRINTK_DEBUG is not set > +# CONFIG_SAMPLES is not set > +CONFIG_HAVE_ARCH_KGDB=y > +CONFIG_CMDLINE="" > + > +# > +# Security options > +# > +# CONFIG_KEYS is not set > +# CONFIG_SECURITYFS is not set > +# CONFIG_SECURITY_FILE_CAPABILITIES is not set > +# CONFIG_CRYPTO is not set > +# CONFIG_BINARY_PRINTF is not set > + > +# > +# Library routines > +# > +CONFIG_BITREVERSE=y > +CONFIG_GENERIC_FIND_LAST_BIT=y > +# CONFIG_CRC_CCITT is not set > +# CONFIG_CRC16 is not set > +# CONFIG_CRC_T10DIF is not set > +# CONFIG_CRC_ITU_T is not set > +CONFIG_CRC32=y > +# CONFIG_CRC7 is not set > +# CONFIG_LIBCRC32C is not set > +CONFIG_HAS_IOMEM=y > +CONFIG_HAS_IOPORT=y > +CONFIG_HAS_DMA=y > diff --git a/drivers/input/misc/pcspkr.c b/drivers/input/misc/pcspkr.c > index d6a30ce..cfff67a 100644 > --- a/drivers/input/misc/pcspkr.c > +++ b/drivers/input/misc/pcspkr.c > @@ -29,7 +29,7 @@ MODULE_ALIAS("platform:pcspkr"); > #include > #else > #include > -static DEFINE_SPINLOCK(i8253_lock); > +static DEFINE_RAW_SPINLOCK(i8253_lock); > #endif > > static int pcspkr_event(struct input_dev *dev, unsigned int type, unsigned int code, int value) > diff --git a/kernel/sched.c b/kernel/sched.c > index 61fddc9..4b2c522 100644 > --- a/kernel/sched.c > +++ b/kernel/sched.c > @@ -963,7 +963,7 @@ static inline u64 global_rt_runtime(void) > #ifndef prepare_arch_switch > # define prepare_arch_switch(next) do { } while (0) > #endif > -#ifndef finish_arch_switch > +#ifndef _finish_arch_switch > # define _finish_arch_switch(prev) do { } while (0) > #endif > if we remove finish_arch_switch from arch/mips/include/asm/system.h, no need to use the above patch in kernel/sched.c. currently, there is no finish_arch_switch in x86, powerpc, so remove mips specific finish_arch_switch directly? > diff --git a/sound/drivers/pcsp/pcsp.h b/sound/drivers/pcsp/pcsp.h > index cdef266..39dddc2 100644 > --- a/sound/drivers/pcsp/pcsp.h > +++ b/sound/drivers/pcsp/pcsp.h > @@ -15,7 +15,7 @@ > #include > #else > #include > -static DEFINE_SPINLOCK(i8253_lock); > +static DEFINE_RAW_SPINLOCK(i8253_lock); > #endif > > #define PCSP_SOUND_VERSION 0x400 /* read 4.00 */ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/