From: Graf Yang Date: Wed, 7 Jan 2009 15:14:39 +0000 (+0800) Subject: Blackfin arch: smp patch cleanup from LKML review X-Git-Tag: v2.6.29-rc1~189^2~77 X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=dbc895f95500a73ebf1ff12fe85f2e2b3790f52f;p=linux-2.6-omap-h63xx.git Blackfin arch: smp patch cleanup from LKML review 1. Use inline get_l1_... functions instead of macro 2. Fix compile issue about smp barrier functions Signed-off-by: Graf Yang Signed-off-by: Bryan Wu --- diff --git a/arch/blackfin/include/asm/mem_map.h b/arch/blackfin/include/asm/mem_map.h index 88d04a70770..e92b31051bb 100644 --- a/arch/blackfin/include/asm/mem_map.h +++ b/arch/blackfin/include/asm/mem_map.h @@ -9,4 +9,79 @@ #include +#ifndef __ASSEMBLY__ + +#ifdef CONFIG_SMP +static inline ulong get_l1_scratch_start_cpu(int cpu) +{ + return (cpu) ? COREB_L1_SCRATCH_START : COREA_L1_SCRATCH_START; +} +static inline ulong get_l1_code_start_cpu(int cpu) +{ + return (cpu) ? COREB_L1_CODE_START : COREA_L1_CODE_START; +} +static inline ulong get_l1_data_a_start_cpu(int cpu) +{ + return (cpu) ? COREB_L1_DATA_A_START : COREA_L1_DATA_A_START; +} +static inline ulong get_l1_data_b_start_cpu(int cpu) +{ + return (cpu) ? COREB_L1_DATA_B_START : COREA_L1_DATA_B_START; +} + +static inline ulong get_l1_scratch_start(void) +{ + return get_l1_scratch_start_cpu(blackfin_core_id()); +} +static inline ulong get_l1_code_start(void) +{ + return get_l1_code_start_cpu(blackfin_core_id()); +} +static inline ulong get_l1_data_a_start(void) +{ + return get_l1_data_a_start_cpu(blackfin_core_id()); +} +static inline ulong get_l1_data_b_start(void) +{ + return get_l1_data_b_start_cpu(blackfin_core_id()); +} + +#else /* !CONFIG_SMP */ + +static inline ulong get_l1_scratch_start_cpu(int cpu) +{ + return L1_SCRATCH_START; +} +static inline ulong get_l1_code_start_cpu(int cpu) +{ + return L1_CODE_START; +} +static inline ulong get_l1_data_a_start_cpu(int cpu) +{ + return L1_DATA_A_START; +} +static inline ulong get_l1_data_b_start_cpu(int cpu) +{ + return L1_DATA_B_START; +} +static inline ulong get_l1_scratch_start(void) +{ + return get_l1_scratch_start_cpu(0); +} +static inline ulong get_l1_code_start(void) +{ + return get_l1_code_start_cpu(0); +} +static inline ulong get_l1_data_a_start(void) +{ + return get_l1_data_a_start_cpu(0); +} +static inline ulong get_l1_data_b_start(void) +{ + return get_l1_data_b_start_cpu(0); +} + +#endif /* CONFIG_SMP */ +#endif /* __ASSEMBLY__ */ + #endif /* _MEM_MAP_H_ */ diff --git a/arch/blackfin/include/asm/smp.h b/arch/blackfin/include/asm/smp.h index 233cb8c3cfb..118deeeae7c 100644 --- a/arch/blackfin/include/asm/smp.h +++ b/arch/blackfin/include/asm/smp.h @@ -32,6 +32,8 @@ #define raw_smp_processor_id() blackfin_core_id() +extern char coreb_trampoline_start, coreb_trampoline_end; + struct corelock_slot { int lock; }; diff --git a/arch/blackfin/include/asm/system.h b/arch/blackfin/include/asm/system.h index e8bcfa4ee5c..dea92037dff 100644 --- a/arch/blackfin/include/asm/system.h +++ b/arch/blackfin/include/asm/system.h @@ -66,10 +66,13 @@ asmlinkage unsigned long __raw_cmpxchg_4_asm(volatile void *ptr, # define smp_mb() do { barrier(); smp_check_barrier(); smp_mark_barrier(); } while (0) # define smp_rmb() do { barrier(); smp_check_barrier(); } while (0) # define smp_wmb() do { barrier(); smp_mark_barrier(); } while (0) +#define smp_read_barrier_depends() do { barrier(); smp_check_barrier(); } while (0) + #else # define smp_mb() barrier() # define smp_rmb() barrier() # define smp_wmb() barrier() +#define smp_read_barrier_depends() barrier() #endif static inline unsigned long __xchg(unsigned long x, volatile void *ptr, @@ -120,8 +123,6 @@ static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old, ((__typeof__(*(ptr)))__cmpxchg((ptr), (unsigned long)(o), \ (unsigned long)(n), sizeof(*(ptr)))) -#define smp_read_barrier_depends() smp_check_barrier() - #else /* !CONFIG_SMP */ #define smp_mb() barrier() @@ -192,6 +193,7 @@ static inline unsigned long __xchg(unsigned long x, volatile void *ptr, */ #include +#include asmlinkage struct task_struct *resume(struct task_struct *prev, struct task_struct *next); diff --git a/arch/blackfin/kernel/bfin_ksyms.c b/arch/blackfin/kernel/bfin_ksyms.c index 763c31531e9..01f917d58b5 100644 --- a/arch/blackfin/kernel/bfin_ksyms.c +++ b/arch/blackfin/kernel/bfin_ksyms.c @@ -99,6 +99,8 @@ EXPORT_SYMBOL(__raw_bit_test_set_asm); EXPORT_SYMBOL(__raw_bit_test_clear_asm); EXPORT_SYMBOL(__raw_bit_test_toggle_asm); EXPORT_SYMBOL(__raw_uncached_fetch_asm); +#ifdef __ARCH_SYNC_CORE_DCACHE EXPORT_SYMBOL(__raw_smp_mark_barrier_asm); EXPORT_SYMBOL(__raw_smp_check_barrier_asm); #endif +#endif diff --git a/arch/blackfin/kernel/cplb-mpu/cplbinit.c b/arch/blackfin/kernel/cplb-mpu/cplbinit.c index 269d2a3530a..1ea7c18435a 100644 --- a/arch/blackfin/kernel/cplb-mpu/cplbinit.c +++ b/arch/blackfin/kernel/cplb-mpu/cplbinit.c @@ -25,6 +25,7 @@ #include #include #include +#include #if ANOMALY_05000263 # error the MPU will not function safely while Anomaly 05000263 applies diff --git a/arch/blackfin/kernel/cplb-nompu/cplbinit.c b/arch/blackfin/kernel/cplb-nompu/cplbinit.c index 735413d2c22..4c010ba50a8 100644 --- a/arch/blackfin/kernel/cplb-nompu/cplbinit.c +++ b/arch/blackfin/kernel/cplb-nompu/cplbinit.c @@ -27,6 +27,7 @@ #include #include #include +#include u_long icplb_tables[NR_CPUS][CPLB_TBL_ENTRIES+1]; u_long dcplb_tables[NR_CPUS][CPLB_TBL_ENTRIES+1]; diff --git a/arch/blackfin/kernel/process.c b/arch/blackfin/kernel/process.c index 4359ea25301..1ec0faa8c68 100644 --- a/arch/blackfin/kernel/process.c +++ b/arch/blackfin/kernel/process.c @@ -39,6 +39,7 @@ #include #include +#include asmlinkage void ret_from_fork(void); diff --git a/arch/blackfin/kernel/ptrace.c b/arch/blackfin/kernel/ptrace.c index d5e6be2d5ed..d2d38853663 100644 --- a/arch/blackfin/kernel/ptrace.c +++ b/arch/blackfin/kernel/ptrace.c @@ -45,6 +45,7 @@ #include #include #include +#include #define TEXT_OFFSET 0 /* diff --git a/arch/blackfin/mach-bf518/include/mach/mem_map.h b/arch/blackfin/mach-bf518/include/mach/mem_map.h index ac95d334d08..62bcc781bfa 100644 --- a/arch/blackfin/mach-bf518/include/mach/mem_map.h +++ b/arch/blackfin/mach-bf518/include/mach/mem_map.h @@ -99,15 +99,6 @@ #define L1_SCRATCH_START 0xFFB00000 #define L1_SCRATCH_LENGTH 0x1000 -#define get_l1_scratch_start_cpu(cpu) L1_SCRATCH_START -#define get_l1_code_start_cpu(cpu) L1_CODE_START -#define get_l1_data_a_start_cpu(cpu) L1_DATA_A_START -#define get_l1_data_b_start_cpu(cpu) L1_DATA_B_START -#define get_l1_scratch_start() L1_SCRATCH_START -#define get_l1_code_start() L1_CODE_START -#define get_l1_data_a_start() L1_DATA_A_START -#define get_l1_data_b_start() L1_DATA_B_START - #define GET_PDA_SAFE(preg) \ preg.l = _cpu_pda; \ preg.h = _cpu_pda; diff --git a/arch/blackfin/mach-bf527/include/mach/mem_map.h b/arch/blackfin/mach-bf527/include/mach/mem_map.h index bd7fe0fda9e..019e0017ad8 100644 --- a/arch/blackfin/mach-bf527/include/mach/mem_map.h +++ b/arch/blackfin/mach-bf527/include/mach/mem_map.h @@ -99,15 +99,6 @@ #define L1_SCRATCH_START 0xFFB00000 #define L1_SCRATCH_LENGTH 0x1000 -#define get_l1_scratch_start_cpu(cpu) L1_SCRATCH_START -#define get_l1_code_start_cpu(cpu) L1_CODE_START -#define get_l1_data_a_start_cpu(cpu) L1_DATA_A_START -#define get_l1_data_b_start_cpu(cpu) L1_DATA_B_START -#define get_l1_scratch_start() L1_SCRATCH_START -#define get_l1_code_start() L1_CODE_START -#define get_l1_data_a_start() L1_DATA_A_START -#define get_l1_data_b_start() L1_DATA_B_START - #define GET_PDA_SAFE(preg) \ preg.l = _cpu_pda; \ preg.h = _cpu_pda; diff --git a/arch/blackfin/mach-bf533/include/mach/mem_map.h b/arch/blackfin/mach-bf533/include/mach/mem_map.h index d5eaef21edb..fc33b7cb993 100644 --- a/arch/blackfin/mach-bf533/include/mach/mem_map.h +++ b/arch/blackfin/mach-bf533/include/mach/mem_map.h @@ -168,15 +168,6 @@ #define L1_SCRATCH_START 0xFFB00000 #define L1_SCRATCH_LENGTH 0x1000 -#define get_l1_scratch_start_cpu(cpu) L1_SCRATCH_START -#define get_l1_code_start_cpu(cpu) L1_CODE_START -#define get_l1_data_a_start_cpu(cpu) L1_DATA_A_START -#define get_l1_data_b_start_cpu(cpu) L1_DATA_B_START -#define get_l1_scratch_start() L1_SCRATCH_START -#define get_l1_code_start() L1_CODE_START -#define get_l1_data_a_start() L1_DATA_A_START -#define get_l1_data_b_start() L1_DATA_B_START - #define GET_PDA_SAFE(preg) \ preg.l = _cpu_pda; \ preg.h = _cpu_pda; diff --git a/arch/blackfin/mach-bf537/include/mach/mem_map.h b/arch/blackfin/mach-bf537/include/mach/mem_map.h index be4de761be9..f9010c4b4bf 100644 --- a/arch/blackfin/mach-bf537/include/mach/mem_map.h +++ b/arch/blackfin/mach-bf537/include/mach/mem_map.h @@ -176,15 +176,6 @@ #define L1_SCRATCH_START 0xFFB00000 #define L1_SCRATCH_LENGTH 0x1000 -#define get_l1_scratch_start_cpu(cpu) L1_SCRATCH_START -#define get_l1_code_start_cpu(cpu) L1_CODE_START -#define get_l1_data_a_start_cpu(cpu) L1_DATA_A_START -#define get_l1_data_b_start_cpu(cpu) L1_DATA_B_START -#define get_l1_scratch_start() L1_SCRATCH_START -#define get_l1_code_start() L1_CODE_START -#define get_l1_data_a_start() L1_DATA_A_START -#define get_l1_data_b_start() L1_DATA_B_START - #define GET_PDA_SAFE(preg) \ preg.l = _cpu_pda; \ preg.h = _cpu_pda; diff --git a/arch/blackfin/mach-bf538/include/mach/mem_map.h b/arch/blackfin/mach-bf538/include/mach/mem_map.h index c134057c91f..76811966690 100644 --- a/arch/blackfin/mach-bf538/include/mach/mem_map.h +++ b/arch/blackfin/mach-bf538/include/mach/mem_map.h @@ -104,15 +104,6 @@ #define L1_SCRATCH_START 0xFFB00000 #define L1_SCRATCH_LENGTH 0x1000 -#define get_l1_scratch_start_cpu(cpu) L1_SCRATCH_START -#define get_l1_code_start_cpu(cpu) L1_CODE_START -#define get_l1_data_a_start_cpu(cpu) L1_DATA_A_START -#define get_l1_data_b_start_cpu(cpu) L1_DATA_B_START -#define get_l1_scratch_start() L1_SCRATCH_START -#define get_l1_code_start() L1_CODE_START -#define get_l1_data_a_start() L1_DATA_A_START -#define get_l1_data_b_start() L1_DATA_B_START - #define GET_PDA_SAFE(preg) \ preg.l = _cpu_pda; \ preg.h = _cpu_pda; diff --git a/arch/blackfin/mach-bf548/include/mach/mem_map.h b/arch/blackfin/mach-bf548/include/mach/mem_map.h index 361eb0e85bc..70b9c119402 100644 --- a/arch/blackfin/mach-bf548/include/mach/mem_map.h +++ b/arch/blackfin/mach-bf548/include/mach/mem_map.h @@ -108,15 +108,6 @@ #define L1_SCRATCH_START 0xFFB00000 #define L1_SCRATCH_LENGTH 0x1000 -#define get_l1_scratch_start_cpu(cpu) L1_SCRATCH_START -#define get_l1_code_start_cpu(cpu) L1_CODE_START -#define get_l1_data_a_start_cpu(cpu) L1_DATA_A_START -#define get_l1_data_b_start_cpu(cpu) L1_DATA_B_START -#define get_l1_scratch_start() L1_SCRATCH_START -#define get_l1_code_start() L1_CODE_START -#define get_l1_data_a_start() L1_DATA_A_START -#define get_l1_data_b_start() L1_DATA_B_START - #define GET_PDA_SAFE(preg) \ preg.l = _cpu_pda; \ preg.h = _cpu_pda; diff --git a/arch/blackfin/mach-bf561/include/mach/mem_map.h b/arch/blackfin/mach-bf561/include/mach/mem_map.h index 488c3bda65b..419dffdc96e 100644 --- a/arch/blackfin/mach-bf561/include/mach/mem_map.h +++ b/arch/blackfin/mach-bf561/include/mach/mem_map.h @@ -85,47 +85,7 @@ #define L1_SCRATCH_START COREA_L1_SCRATCH_START #define L1_SCRATCH_LENGTH 0x1000 -#ifndef __ASSEMBLY__ - -#ifdef CONFIG_SMP - -#define get_l1_scratch_start_cpu(cpu) \ - ({ unsigned long __addr; \ - __addr = (cpu) ? COREB_L1_SCRATCH_START : COREA_L1_SCRATCH_START;\ - __addr; }) - -#define get_l1_code_start_cpu(cpu) \ - ({ unsigned long __addr; \ - __addr = (cpu) ? COREB_L1_CODE_START : COREA_L1_CODE_START; \ - __addr; }) - -#define get_l1_data_a_start_cpu(cpu) \ - ({ unsigned long __addr; \ - __addr = (cpu) ? COREB_L1_DATA_A_START : COREA_L1_DATA_A_START;\ - __addr; }) - -#define get_l1_data_b_start_cpu(cpu) \ - ({ unsigned long __addr; \ - __addr = (cpu) ? COREB_L1_DATA_B_START : COREA_L1_DATA_B_START;\ - __addr; }) - -#define get_l1_scratch_start() get_l1_scratch_start_cpu(blackfin_core_id()) -#define get_l1_code_start() get_l1_code_start_cpu(blackfin_core_id()) -#define get_l1_data_a_start() get_l1_data_a_start_cpu(blackfin_core_id()) -#define get_l1_data_b_start() get_l1_data_b_start_cpu(blackfin_core_id()) - -#else /* !CONFIG_SMP */ -#define get_l1_scratch_start_cpu(cpu) L1_SCRATCH_START -#define get_l1_code_start_cpu(cpu) L1_CODE_START -#define get_l1_data_a_start_cpu(cpu) L1_DATA_A_START -#define get_l1_data_b_start_cpu(cpu) L1_DATA_B_START -#define get_l1_scratch_start() L1_SCRATCH_START -#define get_l1_code_start() L1_CODE_START -#define get_l1_data_a_start() L1_DATA_A_START -#define get_l1_data_b_start() L1_DATA_B_START -#endif /* !CONFIG_SMP */ - -#else /* __ASSEMBLY__ */ +#ifdef __ASSEMBLY__ /* * The following macros both return the address of the PDA for the diff --git a/arch/blackfin/mach-bf561/smp.c b/arch/blackfin/mach-bf561/smp.c index 23fd4c13897..9b27e698c0b 100644 --- a/arch/blackfin/mach-bf561/smp.c +++ b/arch/blackfin/mach-bf561/smp.c @@ -27,11 +27,6 @@ #include #include -#define COREB_SRAM_BASE 0xff600000 -#define COREB_SRAM_SIZE 0x4000 - -extern char coreb_trampoline_start, coreb_trampoline_end; - static DEFINE_SPINLOCK(boot_lock); static cpumask_t cpu_callin_map; @@ -54,15 +49,15 @@ void __init platform_prepare_cpus(unsigned int max_cpus) int len; len = &coreb_trampoline_end - &coreb_trampoline_start + 1; - BUG_ON(len > COREB_SRAM_SIZE); + BUG_ON(len > L1_CODE_LENGTH); - dma_memcpy((void *)COREB_SRAM_BASE, &coreb_trampoline_start, len); + dma_memcpy((void *)COREB_L1_CODE_START, &coreb_trampoline_start, len); /* Both cores ought to be present on a bf561! */ cpu_set(0, cpu_present_map); /* CoreA */ cpu_set(1, cpu_present_map); /* CoreB */ - printk(KERN_INFO "CoreB bootstrap code to SRAM %p via DMA.\n", (void *)COREB_SRAM_BASE); + printk(KERN_INFO "CoreB bootstrap code to SRAM %p via DMA.\n", (void *)COREB_L1_CODE_START); } int __init setup_profiling_timer(unsigned int multiplier) /* not supported */ diff --git a/arch/blackfin/mm/sram-alloc.c b/arch/blackfin/mm/sram-alloc.c index 1ca5deb7934..834cab7438a 100644 --- a/arch/blackfin/mm/sram-alloc.c +++ b/arch/blackfin/mm/sram-alloc.c @@ -39,6 +39,7 @@ #include #include #include +#include #include "blackfin_sram.h" static DEFINE_PER_CPU(spinlock_t, l1sram_lock) ____cacheline_aligned_in_smp;