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-rw-r--r--arch/parisc/include/asm/atomic.h4
-rw-r--r--arch/parisc/include/asm/bug.h8
-rw-r--r--arch/parisc/include/asm/cacheflush.h28
-rw-r--r--arch/parisc/include/asm/compat.h3
-rw-r--r--arch/parisc/include/asm/param.h23
-rw-r--r--arch/parisc/include/asm/pci.h14
-rw-r--r--arch/parisc/include/asm/pgtable.h2
-rw-r--r--arch/parisc/include/asm/ptrace.h5
-rw-r--r--arch/parisc/include/asm/scatterlist.h20
-rw-r--r--arch/parisc/include/asm/system.h2
-rw-r--r--arch/parisc/include/asm/thread_info.h2
-rw-r--r--arch/parisc/include/asm/uaccess.h27
-rw-r--r--arch/parisc/include/asm/unistd.h4
13 files changed, 67 insertions, 75 deletions
diff --git a/arch/parisc/include/asm/atomic.h b/arch/parisc/include/asm/atomic.h
index 716634d1f546..f81955934aeb 100644
--- a/arch/parisc/include/asm/atomic.h
+++ b/arch/parisc/include/asm/atomic.h
@@ -189,7 +189,7 @@ static __inline__ void atomic_set(atomic_t *v, int i)
static __inline__ int atomic_read(const atomic_t *v)
{
- return v->counter;
+ return (*(volatile int *)&(v)->counter);
}
/* exported interface */
@@ -286,7 +286,7 @@ atomic64_set(atomic64_t *v, s64 i)
static __inline__ s64
atomic64_read(const atomic64_t *v)
{
- return v->counter;
+ return (*(volatile long *)&(v)->counter);
}
#define atomic64_add(i,v) ((void)(__atomic64_add_return( ((s64)(i)),(v))))
diff --git a/arch/parisc/include/asm/bug.h b/arch/parisc/include/asm/bug.h
index 75e46c557a16..72cfdb0cfdd1 100644
--- a/arch/parisc/include/asm/bug.h
+++ b/arch/parisc/include/asm/bug.h
@@ -44,7 +44,7 @@
#endif
#ifdef CONFIG_DEBUG_BUGVERBOSE
-#define __WARN() \
+#define __WARN_TAINT(taint) \
do { \
asm volatile("\n" \
"1:\t" PARISC_BUG_BREAK_ASM "\n" \
@@ -54,11 +54,11 @@
"\t.org 2b+%c3\n" \
"\t.popsection" \
: : "i" (__FILE__), "i" (__LINE__), \
- "i" (BUGFLAG_WARNING), \
+ "i" (BUGFLAG_TAINT(taint)), \
"i" (sizeof(struct bug_entry)) ); \
} while(0)
#else
-#define __WARN() \
+#define __WARN_TAINT(taint) \
do { \
asm volatile("\n" \
"1:\t" PARISC_BUG_BREAK_ASM "\n" \
@@ -67,7 +67,7 @@
"\t.short %c0\n" \
"\t.org 2b+%c1\n" \
"\t.popsection" \
- : : "i" (BUGFLAG_WARNING), \
+ : : "i" (BUGFLAG_TAINT(taint)), \
"i" (sizeof(struct bug_entry)) ); \
} while(0)
#endif
diff --git a/arch/parisc/include/asm/cacheflush.h b/arch/parisc/include/asm/cacheflush.h
index 7a73b615c23d..4556d820128a 100644
--- a/arch/parisc/include/asm/cacheflush.h
+++ b/arch/parisc/include/asm/cacheflush.h
@@ -2,6 +2,7 @@
#define _PARISC_CACHEFLUSH_H
#include <linux/mm.h>
+#include <linux/uaccess.h>
/* The usual comment is "Caches aren't brain-dead on the <architecture>".
* Unfortunately, that doesn't apply to PA-RISC. */
@@ -38,6 +39,18 @@ void flush_cache_mm(struct mm_struct *mm);
#define flush_kernel_dcache_range(start,size) \
flush_kernel_dcache_range_asm((start), (start)+(size));
+/* vmap range flushes and invalidates. Architecturally, we don't need
+ * the invalidate, because the CPU should refuse to speculate once an
+ * area has been flushed, so invalidate is left empty */
+static inline void flush_kernel_vmap_range(void *vaddr, int size)
+{
+ unsigned long start = (unsigned long)vaddr;
+
+ flush_kernel_dcache_range_asm(start, start + size);
+}
+static inline void invalidate_kernel_vmap_range(void *vaddr, int size)
+{
+}
#define flush_cache_vmap(start, end) flush_cache_all()
#define flush_cache_vunmap(start, end) flush_cache_all()
@@ -113,11 +126,20 @@ static inline void *kmap(struct page *page)
#define kunmap(page) kunmap_parisc(page_address(page))
-#define kmap_atomic(page, idx) page_address(page)
+static inline void *kmap_atomic(struct page *page, enum km_type idx)
+{
+ pagefault_disable();
+ return page_address(page);
+}
-#define kunmap_atomic(addr, idx) kunmap_parisc(addr)
+static inline void kunmap_atomic(void *addr, enum km_type idx)
+{
+ kunmap_parisc(addr);
+ pagefault_enable();
+}
-#define kmap_atomic_pfn(pfn, idx) page_address(pfn_to_page(pfn))
+#define kmap_atomic_prot(page, idx, prot) kmap_atomic(page, idx)
+#define kmap_atomic_pfn(pfn, idx) kmap_atomic(pfn_to_page(pfn), (idx))
#define kmap_atomic_to_page(ptr) virt_to_page(ptr)
#endif
diff --git a/arch/parisc/include/asm/compat.h b/arch/parisc/include/asm/compat.h
index 7f32611a7a5e..02b77baa5da6 100644
--- a/arch/parisc/include/asm/compat.h
+++ b/arch/parisc/include/asm/compat.h
@@ -7,7 +7,8 @@
#include <linux/sched.h>
#include <linux/thread_info.h>
-#define COMPAT_USER_HZ 100
+#define COMPAT_USER_HZ 100
+#define COMPAT_UTS_MACHINE "parisc\0\0"
typedef u32 compat_size_t;
typedef s32 compat_ssize_t;
diff --git a/arch/parisc/include/asm/param.h b/arch/parisc/include/asm/param.h
index 32e03d877858..965d45427975 100644
--- a/arch/parisc/include/asm/param.h
+++ b/arch/parisc/include/asm/param.h
@@ -1,22 +1 @@
-#ifndef _ASMPARISC_PARAM_H
-#define _ASMPARISC_PARAM_H
-
-#ifdef __KERNEL__
-#define HZ CONFIG_HZ
-#define USER_HZ 100 /* some user API use "ticks" */
-#define CLOCKS_PER_SEC (USER_HZ) /* like times() */
-#endif
-
-#ifndef HZ
-#define HZ 100
-#endif
-
-#define EXEC_PAGESIZE 4096
-
-#ifndef NOGROUP
-#define NOGROUP (-1)
-#endif
-
-#define MAXHOSTNAMELEN 64 /* max length of hostname */
-
-#endif
+#include <asm-generic/param.h>
diff --git a/arch/parisc/include/asm/pci.h b/arch/parisc/include/asm/pci.h
index 64c7aa590ae5..2242a5c636c2 100644
--- a/arch/parisc/include/asm/pci.h
+++ b/arch/parisc/include/asm/pci.h
@@ -183,20 +183,6 @@ struct pci_bios_ops {
void (*fixup_bus)(struct pci_bus *bus);
};
-/* pci_unmap_{single,page} is not a nop, thus... */
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) \
- dma_addr_t ADDR_NAME;
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME) \
- __u32 LEN_NAME;
-#define pci_unmap_addr(PTR, ADDR_NAME) \
- ((PTR)->ADDR_NAME)
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) \
- (((PTR)->ADDR_NAME) = (VAL))
-#define pci_unmap_len(PTR, LEN_NAME) \
- ((PTR)->LEN_NAME)
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL) \
- (((PTR)->LEN_NAME) = (VAL))
-
/*
** Stuff declared in arch/parisc/kernel/pci.c
*/
diff --git a/arch/parisc/include/asm/pgtable.h b/arch/parisc/include/asm/pgtable.h
index a27d2e200fb2..01c15035e783 100644
--- a/arch/parisc/include/asm/pgtable.h
+++ b/arch/parisc/include/asm/pgtable.h
@@ -410,7 +410,7 @@ extern void paging_init (void);
#define PG_dcache_dirty PG_arch_1
-extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t);
+extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t *);
/* Encode and de-code a swap entry */
diff --git a/arch/parisc/include/asm/ptrace.h b/arch/parisc/include/asm/ptrace.h
index aead40b16dd8..7f09533da771 100644
--- a/arch/parisc/include/asm/ptrace.h
+++ b/arch/parisc/include/asm/ptrace.h
@@ -47,13 +47,8 @@ struct pt_regs {
#define task_regs(task) ((struct pt_regs *) ((char *)(task) + TASK_REGS))
-struct task_struct;
#define arch_has_single_step() 1
-void user_disable_single_step(struct task_struct *task);
-void user_enable_single_step(struct task_struct *task);
-
#define arch_has_block_step() 1
-void user_enable_block_step(struct task_struct *task);
/* XXX should we use iaoq[1] or iaoq[0] ? */
#define user_mode(regs) (((regs)->iaoq[0] & 3) ? 1 : 0)
diff --git a/arch/parisc/include/asm/scatterlist.h b/arch/parisc/include/asm/scatterlist.h
index 62269b31ebf4..2c3b79b54b28 100644
--- a/arch/parisc/include/asm/scatterlist.h
+++ b/arch/parisc/include/asm/scatterlist.h
@@ -3,25 +3,9 @@
#include <asm/page.h>
#include <asm/types.h>
-
-struct scatterlist {
-#ifdef CONFIG_DEBUG_SG
- unsigned long sg_magic;
-#endif
- unsigned long page_link;
- unsigned int offset;
-
- unsigned int length;
-
- /* an IOVA can be 64-bits on some PA-Risc platforms. */
- dma_addr_t iova; /* I/O Virtual Address */
- __u32 iova_length; /* bytes mapped */
-};
-
-#define sg_virt_addr(sg) ((unsigned long)sg_virt(sg))
-#define sg_dma_address(sg) ((sg)->iova)
-#define sg_dma_len(sg) ((sg)->iova_length)
+#include <asm-generic/scatterlist.h>
#define ISA_DMA_THRESHOLD (~0UL)
+#define sg_virt_addr(sg) ((unsigned long)sg_virt(sg))
#endif /* _ASM_PARISC_SCATTERLIST_H */
diff --git a/arch/parisc/include/asm/system.h b/arch/parisc/include/asm/system.h
index 4bbb67355ace..2ab4af58ecb9 100644
--- a/arch/parisc/include/asm/system.h
+++ b/arch/parisc/include/asm/system.h
@@ -160,7 +160,7 @@ static inline void set_eiem(unsigned long val)
ldcd). */
#define __PA_LDCW_ALIGNMENT 4
-#define __ldcw_align(a) ((volatile unsigned int *)a)
+#define __ldcw_align(a) (&(a)->slock)
#define __LDCW "ldcw,co"
#endif /*!CONFIG_PA20*/
diff --git a/arch/parisc/include/asm/thread_info.h b/arch/parisc/include/asm/thread_info.h
index 7ecc1039cfed..aa8de727e90b 100644
--- a/arch/parisc/include/asm/thread_info.h
+++ b/arch/parisc/include/asm/thread_info.h
@@ -56,7 +56,7 @@ struct thread_info {
#define TIF_NEED_RESCHED 2 /* rescheduling necessary */
#define TIF_POLLING_NRFLAG 3 /* true if poll_idle() is polling TIF_NEED_RESCHED */
#define TIF_32BIT 4 /* 32 bit binary */
-#define TIF_MEMDIE 5
+#define TIF_MEMDIE 5 /* is terminating due to OOM killer */
#define TIF_RESTORE_SIGMASK 6 /* restore saved signal mask */
#define TIF_FREEZE 7 /* is freezing for suspend */
#define TIF_NOTIFY_RESUME 8 /* callback before returning to user */
diff --git a/arch/parisc/include/asm/uaccess.h b/arch/parisc/include/asm/uaccess.h
index 7cf799d70b4c..ff4cf9dab8d2 100644
--- a/arch/parisc/include/asm/uaccess.h
+++ b/arch/parisc/include/asm/uaccess.h
@@ -7,6 +7,7 @@
#include <asm/page.h>
#include <asm/system.h>
#include <asm/cache.h>
+#include <asm/errno.h>
#include <asm-generic/uaccess-unaligned.h>
#define VERIFY_READ 0
@@ -234,13 +235,35 @@ extern long lstrnlen_user(const char __user *,long);
unsigned long copy_to_user(void __user *dst, const void *src, unsigned long len);
#define __copy_to_user copy_to_user
-unsigned long copy_from_user(void *dst, const void __user *src, unsigned long len);
-#define __copy_from_user copy_from_user
+unsigned long __copy_from_user(void *dst, const void __user *src, unsigned long len);
unsigned long copy_in_user(void __user *dst, const void __user *src, unsigned long len);
#define __copy_in_user copy_in_user
#define __copy_to_user_inatomic __copy_to_user
#define __copy_from_user_inatomic __copy_from_user
+extern void copy_from_user_overflow(void)
+#ifdef CONFIG_DEBUG_STRICT_USER_COPY_CHECKS
+ __compiletime_error("copy_from_user() buffer size is not provably correct")
+#else
+ __compiletime_warning("copy_from_user() buffer size is not provably correct")
+#endif
+;
+
+static inline unsigned long __must_check copy_from_user(void *to,
+ const void __user *from,
+ unsigned long n)
+{
+ int sz = __compiletime_object_size(to);
+ int ret = -EFAULT;
+
+ if (likely(sz == -1 || !__builtin_constant_p(n) || sz >= n))
+ ret = __copy_from_user(to, from, n);
+ else
+ copy_from_user_overflow();
+
+ return ret;
+}
+
struct pt_regs;
int fixup_exception(struct pt_regs *regs);
diff --git a/arch/parisc/include/asm/unistd.h b/arch/parisc/include/asm/unistd.h
index cda158318c62..1ce7d2851d90 100644
--- a/arch/parisc/include/asm/unistd.h
+++ b/arch/parisc/include/asm/unistd.h
@@ -811,8 +811,10 @@
#define __NR_pwritev (__NR_Linux + 316)
#define __NR_rt_tgsigqueueinfo (__NR_Linux + 317)
#define __NR_perf_event_open (__NR_Linux + 318)
+#define __NR_recvmmsg (__NR_Linux + 319)
+#define __NR_accept4 (__NR_Linux + 320)
-#define __NR_Linux_syscalls (__NR_perf_event_open + 1)
+#define __NR_Linux_syscalls (__NR_accept4 + 1)
#define __IGNORE_select /* newselect */
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