diff options
Diffstat (limited to 'arch/metag')
| -rw-r--r-- | arch/metag/include/asm/atomic.h | 6 | ||||
| -rw-r--r-- | arch/metag/include/asm/barrier.h | 6 | ||||
| -rw-r--r-- | arch/metag/include/asm/bitops.h | 6 | ||||
| -rw-r--r-- | arch/metag/include/asm/processor.h | 2 | ||||
| -rw-r--r-- | arch/metag/include/asm/thread_info.h | 6 | ||||
| -rw-r--r-- | arch/metag/include/uapi/asm/Kbuild | 2 | ||||
| -rw-r--r-- | arch/metag/include/uapi/asm/resource.h | 7 | ||||
| -rw-r--r-- | arch/metag/kernel/setup.c | 4 | ||||
| -rw-r--r-- | arch/metag/mm/hugetlbpage.c | 5 |
9 files changed, 12 insertions, 32 deletions
diff --git a/arch/metag/include/asm/atomic.h b/arch/metag/include/asm/atomic.h index 307ecd2bd9a..470e365f04e 100644 --- a/arch/metag/include/asm/atomic.h +++ b/arch/metag/include/asm/atomic.h @@ -4,6 +4,7 @@ #include <linux/compiler.h> #include <linux/types.h> #include <asm/cmpxchg.h> +#include <asm/barrier.h> #if defined(CONFIG_METAG_ATOMICITY_IRQSOFF) /* The simple UP case. */ @@ -39,11 +40,6 @@ #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) -#define smp_mb__before_atomic_dec() barrier() -#define smp_mb__after_atomic_dec() barrier() -#define smp_mb__before_atomic_inc() barrier() -#define smp_mb__after_atomic_inc() barrier() - #endif #define atomic_dec_if_positive(v) atomic_sub_if_positive(1, v) diff --git a/arch/metag/include/asm/barrier.h b/arch/metag/include/asm/barrier.h index 5d6b4b407dd..c7591e80067 100644 --- a/arch/metag/include/asm/barrier.h +++ b/arch/metag/include/asm/barrier.h @@ -15,6 +15,7 @@ static inline void wr_fence(void) volatile int *flushptr = (volatile int *) LINSYSEVENT_WR_FENCE; barrier(); *flushptr = 0; + barrier(); } #else /* CONFIG_METAG_META21 */ @@ -35,6 +36,7 @@ static inline void wr_fence(void) *flushptr = 0; *flushptr = 0; *flushptr = 0; + barrier(); } #endif /* !CONFIG_METAG_META21 */ @@ -68,6 +70,7 @@ static inline void fence(void) volatile int *flushptr = (volatile int *) LINSYSEVENT_WR_ATOMIC_UNLOCK; barrier(); *flushptr = 0; + barrier(); } #define smp_mb() fence() #define smp_rmb() fence() @@ -97,4 +100,7 @@ do { \ ___p1; \ }) +#define smp_mb__before_atomic() barrier() +#define smp_mb__after_atomic() barrier() + #endif /* _ASM_METAG_BARRIER_H */ diff --git a/arch/metag/include/asm/bitops.h b/arch/metag/include/asm/bitops.h index c0d0df0d137..2671134ee74 100644 --- a/arch/metag/include/asm/bitops.h +++ b/arch/metag/include/asm/bitops.h @@ -5,12 +5,6 @@ #include <asm/barrier.h> #include <asm/global_lock.h> -/* - * clear_bit() doesn't provide any barrier for the compiler. - */ -#define smp_mb__before_clear_bit() barrier() -#define smp_mb__after_clear_bit() barrier() - #ifdef CONFIG_SMP /* * These functions are the basis of our bit ops. diff --git a/arch/metag/include/asm/processor.h b/arch/metag/include/asm/processor.h index f16477d1f57..a8a37477c66 100644 --- a/arch/metag/include/asm/processor.h +++ b/arch/metag/include/asm/processor.h @@ -22,6 +22,8 @@ /* Add an extra page of padding at the top of the stack for the guard page. */ #define STACK_TOP (TASK_SIZE - PAGE_SIZE) #define STACK_TOP_MAX STACK_TOP +/* Maximum virtual space for stack */ +#define STACK_SIZE_MAX (CONFIG_MAX_STACK_SIZE_MB*1024*1024) /* This decides where the kernel will search for a free chunk of vm * space during mmap's. diff --git a/arch/metag/include/asm/thread_info.h b/arch/metag/include/asm/thread_info.h index b19e9c588a1..47711336119 100644 --- a/arch/metag/include/asm/thread_info.h +++ b/arch/metag/include/asm/thread_info.h @@ -117,10 +117,8 @@ static inline int kstack_end(void *addr) #define TIF_SECCOMP 5 /* secure computing */ #define TIF_RESTORE_SIGMASK 6 /* restore signal mask in do_signal() */ #define TIF_NOTIFY_RESUME 7 /* callback before returning to user */ -#define TIF_POLLING_NRFLAG 8 /* true if poll_idle() is polling - TIF_NEED_RESCHED */ -#define TIF_MEMDIE 9 /* is terminating due to OOM killer */ -#define TIF_SYSCALL_TRACEPOINT 10 /* syscall tracepoint instrumentation */ +#define TIF_MEMDIE 8 /* is terminating due to OOM killer */ +#define TIF_SYSCALL_TRACEPOINT 9 /* syscall tracepoint instrumentation */ #define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) diff --git a/arch/metag/include/uapi/asm/Kbuild b/arch/metag/include/uapi/asm/Kbuild index 84e09feb4d5..ab78be2b6eb 100644 --- a/arch/metag/include/uapi/asm/Kbuild +++ b/arch/metag/include/uapi/asm/Kbuild @@ -4,11 +4,11 @@ include include/uapi/asm-generic/Kbuild.asm header-y += byteorder.h header-y += ech.h header-y += ptrace.h -header-y += resource.h header-y += sigcontext.h header-y += siginfo.h header-y += swab.h header-y += unistd.h generic-y += mman.h +generic-y += resource.h generic-y += setup.h diff --git a/arch/metag/include/uapi/asm/resource.h b/arch/metag/include/uapi/asm/resource.h deleted file mode 100644 index 526d23cc305..00000000000 --- a/arch/metag/include/uapi/asm/resource.h +++ /dev/null @@ -1,7 +0,0 @@ -#ifndef _UAPI_METAG_RESOURCE_H -#define _UAPI_METAG_RESOURCE_H - -#define _STK_LIM_MAX (1 << 28) -#include <asm-generic/resource.h> - -#endif /* _UAPI_METAG_RESOURCE_H */ diff --git a/arch/metag/kernel/setup.c b/arch/metag/kernel/setup.c index 129c7cdda1c..31cf53d0eba 100644 --- a/arch/metag/kernel/setup.c +++ b/arch/metag/kernel/setup.c @@ -105,10 +105,6 @@ extern char _heap_start[]; -#ifdef CONFIG_METAG_BUILTIN_DTB -extern u32 __dtb_start[]; -#endif - #ifdef CONFIG_DA_CONSOLE /* Our early channel based console driver */ extern struct console dash_console; diff --git a/arch/metag/mm/hugetlbpage.c b/arch/metag/mm/hugetlbpage.c index 042431509b5..3c52fa6d0f8 100644 --- a/arch/metag/mm/hugetlbpage.c +++ b/arch/metag/mm/hugetlbpage.c @@ -110,11 +110,6 @@ int pud_huge(pud_t pud) return 0; } -int pmd_huge_support(void) -{ - return 1; -} - struct page *follow_huge_pmd(struct mm_struct *mm, unsigned long address, pmd_t *pmd, int write) { |