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-rw-r--r--arch/parisc/Kconfig5
-rw-r--r--arch/parisc/Makefile7
-rw-r--r--arch/parisc/include/asm/atomic.h16
-rw-r--r--arch/parisc/include/asm/bitops.h11
-rw-r--r--arch/parisc/include/asm/compat.h3
-rw-r--r--arch/parisc/include/asm/dma-mapping.h4
-rw-r--r--arch/parisc/include/asm/mmu_context.h2
-rw-r--r--arch/parisc/include/asm/ptrace.h1
-rw-r--r--arch/parisc/kernel/drivers.c1
-rw-r--r--arch/parisc/kernel/head.S4
-rw-r--r--arch/parisc/kernel/irq.c8
-rw-r--r--arch/parisc/kernel/module.c12
-rw-r--r--arch/parisc/kernel/parisc_ksyms.c4
-rw-r--r--arch/parisc/kernel/pci-dma.c3
-rw-r--r--arch/parisc/kernel/setup.c1
-rw-r--r--arch/parisc/kernel/smp.c2
-rw-r--r--arch/parisc/kernel/syscall_table.S4
-rw-r--r--arch/parisc/kernel/traps.c2
-rw-r--r--arch/parisc/lib/Makefile3
-rw-r--r--arch/parisc/lib/bitops.c2
-rw-r--r--arch/parisc/lib/iomap.c1
-rw-r--r--arch/parisc/lib/ucmpdi2.c25
-rw-r--r--arch/parisc/math-emu/decode_exc.c2
-rw-r--r--arch/parisc/mm/fault.c2
-rw-r--r--arch/parisc/mm/init.c2
25 files changed, 75 insertions, 52 deletions
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index 65adc86..fdfd8be 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -15,6 +15,7 @@ config PARISC
select HAVE_GENERIC_HARDIRQS
select GENERIC_IRQ_PROBE
select IRQ_PER_CPU
+ select ARCH_HAVE_NMI_SAFE_CMPXCHG
help
The PA-RISC microprocessor is designed by Hewlett-Packard and used
@@ -168,9 +169,7 @@ config 64BIT
choice
prompt "Kernel page size"
- default PARISC_PAGE_SIZE_4KB if !64BIT
- default PARISC_PAGE_SIZE_4KB if 64BIT
-# default PARISC_PAGE_SIZE_16KB if 64BIT
+ default PARISC_PAGE_SIZE_4KB
config PARISC_PAGE_SIZE_4KB
bool "4KB"
diff --git a/arch/parisc/Makefile b/arch/parisc/Makefile
index 55cca1d..75947e0 100644
--- a/arch/parisc/Makefile
+++ b/arch/parisc/Makefile
@@ -47,7 +47,12 @@ cflags-y := -pipe
# These flags should be implied by an hppa-linux configuration, but they
# are not in gcc 3.2.
-cflags-y += -mno-space-regs -mfast-indirect-calls
+cflags-y += -mno-space-regs
+
+# -mfast-indirect-calls is only relevant for 32-bit kernels.
+ifndef CONFIG_64BIT
+cflags-y += -mfast-indirect-calls
+endif
# Currently we save and restore fpregs on all kernel entry/interruption paths.
# If that gets optimized, we might need to disable the use of fpregs in the
diff --git a/arch/parisc/include/asm/atomic.h b/arch/parisc/include/asm/atomic.h
index 3706cf0..c4b779b 100644
--- a/arch/parisc/include/asm/atomic.h
+++ b/arch/parisc/include/asm/atomic.h
@@ -197,15 +197,15 @@ static __inline__ int atomic_read(const atomic_t *v)
#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
/**
- * atomic_add_unless - add unless the number is a given value
+ * __atomic_add_unless - add unless the number is a given value
* @v: pointer of type atomic_t
* @a: the amount to add to v...
* @u: ...unless v is equal to u.
*
* Atomically adds @a to @v, so long as it was not @u.
- * Returns non-zero if @v was not @u, and zero otherwise.
+ * Returns the old value of @v.
*/
-static __inline__ int atomic_add_unless(atomic_t *v, int a, int u)
+static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u)
{
int c, old;
c = atomic_read(v);
@@ -217,10 +217,9 @@ static __inline__ int atomic_add_unless(atomic_t *v, int a, int u)
break;
c = old;
}
- return c != (u);
+ return c;
}
-#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0)
#define atomic_add(i,v) ((void)(__atomic_add_return( (i),(v))))
#define atomic_sub(i,v) ((void)(__atomic_add_return(-(i),(v))))
@@ -317,7 +316,7 @@ atomic64_read(const atomic64_t *v)
* @u: ...unless v is equal to u.
*
* Atomically adds @a to @v, so long as it was not @u.
- * Returns non-zero if @v was not @u, and zero otherwise.
+ * Returns the old value of @v.
*/
static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u)
{
@@ -336,12 +335,7 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u)
#define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0)
-#else /* CONFIG_64BIT */
-
-#include <asm-generic/atomic64.h>
-
#endif /* !CONFIG_64BIT */
-#include <asm-generic/atomic-long.h>
#endif /* _ASM_PARISC_ATOMIC_H_ */
diff --git a/arch/parisc/include/asm/bitops.h b/arch/parisc/include/asm/bitops.h
index 43c516f..8c9b631 100644
--- a/arch/parisc/include/asm/bitops.h
+++ b/arch/parisc/include/asm/bitops.h
@@ -8,7 +8,7 @@
#include <linux/compiler.h>
#include <asm/types.h> /* for BITS_PER_LONG/SHIFT_PER_LONG */
#include <asm/byteorder.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
/*
* HP-PARISC specific bit operations
@@ -223,14 +223,7 @@ static __inline__ int fls(int x)
#ifdef __KERNEL__
#include <asm-generic/bitops/le.h>
-
-/* '3' is bits per byte */
-#define LE_BYTE_ADDR ((sizeof(unsigned long) - 1) << 3)
-
-#define ext2_set_bit_atomic(l,nr,addr) \
- test_and_set_bit((nr) ^ LE_BYTE_ADDR, (unsigned long *)addr)
-#define ext2_clear_bit_atomic(l,nr,addr) \
- test_and_clear_bit( (nr) ^ LE_BYTE_ADDR, (unsigned long *)addr)
+#include <asm-generic/bitops/ext2-atomic-setbit.h>
#endif /* __KERNEL__ */
diff --git a/arch/parisc/include/asm/compat.h b/arch/parisc/include/asm/compat.h
index efa0b60..760f331 100644
--- a/arch/parisc/include/asm/compat.h
+++ b/arch/parisc/include/asm/compat.h
@@ -105,7 +105,8 @@ struct compat_statfs {
__kernel_fsid_t f_fsid;
s32 f_namelen;
s32 f_frsize;
- s32 f_spare[5];
+ s32 f_flags;
+ s32 f_spare[4];
};
struct compat_sigcontext {
diff --git a/arch/parisc/include/asm/dma-mapping.h b/arch/parisc/include/asm/dma-mapping.h
index 4ef73b0..467bbd5 100644
--- a/arch/parisc/include/asm/dma-mapping.h
+++ b/arch/parisc/include/asm/dma-mapping.h
@@ -5,7 +5,7 @@
#include <asm/cacheflush.h>
#include <asm/scatterlist.h>
-/* See Documentation/PCI/PCI-DMA-mapping.txt */
+/* See Documentation/DMA-API-HOWTO.txt */
struct hppa_dma_ops {
int (*dma_supported)(struct device *dev, u64 mask);
void *(*alloc_consistent)(struct device *dev, size_t size, dma_addr_t *iova, gfp_t flag);
@@ -210,7 +210,7 @@ parisc_walk_tree(struct device *dev)
return dev->platform_data;
}
-#define GET_IOC(dev) (HBA_DATA(parisc_walk_tree(dev))->iommu);
+#define GET_IOC(dev) (HBA_DATA(parisc_walk_tree(dev))->iommu)
#ifdef CONFIG_IOMMU_CCIO
diff --git a/arch/parisc/include/asm/mmu_context.h b/arch/parisc/include/asm/mmu_context.h
index 354b2ac..59be257 100644
--- a/arch/parisc/include/asm/mmu_context.h
+++ b/arch/parisc/include/asm/mmu_context.h
@@ -3,7 +3,7 @@
#include <linux/mm.h>
#include <linux/sched.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#include <asm/pgalloc.h>
#include <asm/pgtable.h>
#include <asm-generic/mm_hooks.h>
diff --git a/arch/parisc/include/asm/ptrace.h b/arch/parisc/include/asm/ptrace.h
index 7f09533..250ae35 100644
--- a/arch/parisc/include/asm/ptrace.h
+++ b/arch/parisc/include/asm/ptrace.h
@@ -56,7 +56,6 @@ struct pt_regs {
#define instruction_pointer(regs) ((regs)->iaoq[0] & ~3)
#define user_stack_pointer(regs) ((regs)->gr[30])
unsigned long profile_pc(struct pt_regs *);
-extern void show_regs(struct pt_regs *);
#endif /* __KERNEL__ */
diff --git a/arch/parisc/kernel/drivers.c b/arch/parisc/kernel/drivers.c
index 994bcd9..5709c5e 100644
--- a/arch/parisc/kernel/drivers.c
+++ b/arch/parisc/kernel/drivers.c
@@ -33,6 +33,7 @@
#include <linux/pci.h>
#include <linux/spinlock.h>
#include <linux/string.h>
+#include <linux/export.h>
#include <asm/hardware.h>
#include <asm/io.h>
#include <asm/pdc.h>
diff --git a/arch/parisc/kernel/head.S b/arch/parisc/kernel/head.S
index 37aabd7..d2d5825 100644
--- a/arch/parisc/kernel/head.S
+++ b/arch/parisc/kernel/head.S
@@ -195,6 +195,8 @@ common_stext:
ldw MEM_PDC_HI(%r0),%r6
depd %r6, 31, 32, %r3 /* move to upper word */
+ mfctl %cr30,%r6 /* PCX-W2 firmware bug */
+
ldo PDC_PSW(%r0),%arg0 /* 21 */
ldo PDC_PSW_SET_DEFAULTS(%r0),%arg1 /* 2 */
ldo PDC_PSW_WIDE_BIT(%r0),%arg2 /* 2 */
@@ -203,6 +205,8 @@ common_stext:
copy %r0,%arg3
stext_pdc_ret:
+ mtctl %r6,%cr30 /* restore task thread info */
+
/* restore rfi target address*/
ldd TI_TASK-THREAD_SZ_ALGN(%sp), %r10
tophys_r1 %r10
diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c
index c0b1aff..88934b3 100644
--- a/arch/parisc/kernel/irq.c
+++ b/arch/parisc/kernel/irq.c
@@ -336,8 +336,8 @@ void do_cpu_irq_mask(struct pt_regs *regs)
struct pt_regs *old_regs;
unsigned long eirr_val;
int irq, cpu = smp_processor_id();
-#ifdef CONFIG_SMP
struct irq_desc *desc;
+#ifdef CONFIG_SMP
cpumask_t dest;
#endif
@@ -350,8 +350,12 @@ void do_cpu_irq_mask(struct pt_regs *regs)
goto set_out;
irq = eirr_to_irq(eirr_val);
-#ifdef CONFIG_SMP
+ /* Filter out spurious interrupts, mostly from serial port at bootup */
desc = irq_to_desc(irq);
+ if (unlikely(!desc->action))
+ goto set_out;
+
+#ifdef CONFIG_SMP
cpumask_copy(&dest, desc->irq_data.affinity);
if (irqd_is_per_cpu(&desc->irq_data) &&
!cpu_isset(smp_processor_id(), dest)) {
diff --git a/arch/parisc/kernel/module.c b/arch/parisc/kernel/module.c
index cedbbb8..5e34ccf 100644
--- a/arch/parisc/kernel/module.c
+++ b/arch/parisc/kernel/module.c
@@ -540,18 +540,6 @@ static Elf_Addr get_stub(struct module *me, unsigned long value, long addend,
return (Elf_Addr)stub;
}
-int apply_relocate(Elf_Shdr *sechdrs,
- const char *strtab,
- unsigned int symindex,
- unsigned int relsec,
- struct module *me)
-{
- /* parisc should not need this ... */
- printk(KERN_ERR "module %s: RELOCATION unsupported\n",
- me->name);
- return -ENOEXEC;
-}
-
#ifndef CONFIG_64BIT
int apply_relocate_add(Elf_Shdr *sechdrs,
const char *strtab,
diff --git a/arch/parisc/kernel/parisc_ksyms.c b/arch/parisc/kernel/parisc_ksyms.c
index df65366..c3f1be9 100644
--- a/arch/parisc/kernel/parisc_ksyms.c
+++ b/arch/parisc/kernel/parisc_ksyms.c
@@ -31,7 +31,7 @@
#include <linux/string.h>
EXPORT_SYMBOL(memset);
-#include <asm/atomic.h>
+#include <linux/atomic.h>
EXPORT_SYMBOL(__xchg8);
EXPORT_SYMBOL(__xchg32);
EXPORT_SYMBOL(__cmpxchg_u32);
@@ -121,11 +121,13 @@ extern void __ashrdi3(void);
extern void __ashldi3(void);
extern void __lshrdi3(void);
extern void __muldi3(void);
+extern void __ucmpdi2(void);
EXPORT_SYMBOL(__ashrdi3);
EXPORT_SYMBOL(__ashldi3);
EXPORT_SYMBOL(__lshrdi3);
EXPORT_SYMBOL(__muldi3);
+EXPORT_SYMBOL(__ucmpdi2);
asmlinkage void * __canonicalize_funcptr_for_compare(void *);
EXPORT_SYMBOL(__canonicalize_funcptr_for_compare);
diff --git a/arch/parisc/kernel/pci-dma.c b/arch/parisc/kernel/pci-dma.c
index a029f74..d87d1c4 100644
--- a/arch/parisc/kernel/pci-dma.c
+++ b/arch/parisc/kernel/pci-dma.c
@@ -2,7 +2,7 @@
** PARISC 1.1 Dynamic DMA mapping support.
** This implementation is for PA-RISC platforms that do not support
** I/O TLBs (aka DMA address translation hardware).
-** See Documentation/PCI/PCI-DMA-mapping.txt for interface definitions.
+** See Documentation/DMA-API-HOWTO.txt for interface definitions.
**
** (c) Copyright 1999,2000 Hewlett-Packard Company
** (c) Copyright 2000 Grant Grundler
@@ -26,6 +26,7 @@
#include <linux/string.h>
#include <linux/types.h>
#include <linux/scatterlist.h>
+#include <linux/export.h>
#include <asm/cacheflush.h>
#include <asm/dma.h> /* for DMA_CHUNK_SIZE */
diff --git a/arch/parisc/kernel/setup.c b/arch/parisc/kernel/setup.c
index cb71f3d..a3328c2 100644
--- a/arch/parisc/kernel/setup.c
+++ b/arch/parisc/kernel/setup.c
@@ -35,6 +35,7 @@
#include <linux/pci.h>
#undef PCI_DEBUG
#include <linux/proc_fs.h>
+#include <linux/export.h>
#include <asm/processor.h>
#include <asm/pdc.h>
diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c
index 828305f..32d5884 100644
--- a/arch/parisc/kernel/smp.c
+++ b/arch/parisc/kernel/smp.c
@@ -33,7 +33,7 @@
#include <linux/ftrace.h>
#include <asm/system.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#include <asm/current.h>
#include <asm/delay.h>
#include <asm/tlbflush.h>
diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S
index e66366f..4014d90 100644
--- a/arch/parisc/kernel/syscall_table.S
+++ b/arch/parisc/kernel/syscall_table.S
@@ -259,7 +259,7 @@
ENTRY_SAME(ni_syscall) /* query_module */
ENTRY_SAME(poll)
/* structs contain pointers and an in_addr... */
- ENTRY_COMP(nfsservctl)
+ ENTRY_SAME(ni_syscall) /* was nfsservctl */
ENTRY_SAME(setresgid) /* 170 */
ENTRY_SAME(getresgid)
ENTRY_SAME(prctl)
@@ -395,7 +395,7 @@
ENTRY_COMP(vmsplice)
ENTRY_COMP(move_pages) /* 295 */
ENTRY_SAME(getcpu)
- ENTRY_SAME(epoll_pwait)
+ ENTRY_COMP(epoll_pwait)
ENTRY_COMP(statfs64)
ENTRY_COMP(fstatfs64)
ENTRY_COMP(kexec_load) /* 300 */
diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c
index 0acc27b..cd8b02f 100644
--- a/arch/parisc/kernel/traps.c
+++ b/arch/parisc/kernel/traps.c
@@ -33,7 +33,7 @@
#include <asm/irq.h>
#include <asm/traps.h>
#include <asm/unaligned.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#include <asm/smp.h>
#include <asm/pdc.h>
#include <asm/pdc_chassis.h>
diff --git a/arch/parisc/lib/Makefile b/arch/parisc/lib/Makefile
index 5f2e690..5651536 100644
--- a/arch/parisc/lib/Makefile
+++ b/arch/parisc/lib/Makefile
@@ -2,6 +2,7 @@
# Makefile for parisc-specific library files
#
-lib-y := lusercopy.o bitops.o checksum.o io.o memset.o fixup.o memcpy.o
+lib-y := lusercopy.o bitops.o checksum.o io.o memset.o fixup.o memcpy.o \
+ ucmpdi2.o
obj-y := iomap.o
diff --git a/arch/parisc/lib/bitops.c b/arch/parisc/lib/bitops.c
index 353963d..a8bffd8 100644
--- a/arch/parisc/lib/bitops.c
+++ b/arch/parisc/lib/bitops.c
@@ -9,7 +9,7 @@
#include <linux/kernel.h>
#include <linux/spinlock.h>
#include <asm/system.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#ifdef CONFIG_SMP
arch_spinlock_t __atomic_hash[ATOMIC_HASH_SIZE] __lock_aligned = {
diff --git a/arch/parisc/lib/iomap.c b/arch/parisc/lib/iomap.c
index 5069e8b..8f470c9 100644
--- a/arch/parisc/lib/iomap.c
+++ b/arch/parisc/lib/iomap.c
@@ -5,6 +5,7 @@
#include <linux/ioport.h>
#include <linux/pci.h>
+#include <linux/export.h>
#include <asm/io.h>
/*
diff --git a/arch/parisc/lib/ucmpdi2.c b/arch/parisc/lib/ucmpdi2.c
new file mode 100644
index 0000000..149c016
--- /dev/null
+++ b/arch/parisc/lib/ucmpdi2.c
@@ -0,0 +1,25 @@
+#include <linux/module.h>
+
+union ull_union {
+ unsigned long long ull;
+ struct {
+ unsigned int high;
+ unsigned int low;
+ } ui;
+};
+
+int __ucmpdi2(unsigned long long a, unsigned long long b)
+{
+ union ull_union au = {.ull = a};
+ union ull_union bu = {.ull = b};
+
+ if (au.ui.high < bu.ui.high)
+ return 0;
+ else if (au.ui.high > bu.ui.high)
+ return 2;
+ if (au.ui.low < bu.ui.low)
+ return 0;
+ else if (au.ui.low > bu.ui.low)
+ return 2;
+ return 1;
+}
diff --git a/arch/parisc/math-emu/decode_exc.c b/arch/parisc/math-emu/decode_exc.c
index 27a7492..04e550e 100644
--- a/arch/parisc/math-emu/decode_exc.c
+++ b/arch/parisc/math-emu/decode_exc.c
@@ -56,7 +56,7 @@
/* General definitions */
#define DOESTRAP 1
#define NOTRAP 0
-#define SIGNALCODE(signal, code) ((signal) << 24 | (code));
+#define SIGNALCODE(signal, code) ((signal) << 24 | (code))
#define copropbit 1<<31-2 /* bit position 2 */
#define opclass 9 /* bits 21 & 22 */
#define fmt 11 /* bits 19 & 20 */
diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c
index 18162ce..a9b765a 100644
--- a/arch/parisc/mm/fault.c
+++ b/arch/parisc/mm/fault.c
@@ -210,6 +210,8 @@ good_area:
*/
if (fault & VM_FAULT_OOM)
goto out_of_memory;
+ else if (fault & VM_FAULT_SIGSEGV)
+ goto bad_area;
else if (fault & VM_FAULT_SIGBUS)
goto bad_area;
BUG();
diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c
index 82f364e..0b62162 100644
--- a/arch/parisc/mm/init.c
+++ b/arch/parisc/mm/init.c
@@ -685,6 +685,8 @@ void show_mem(unsigned int filter)
printk(KERN_INFO "Mem-info:\n");
show_free_areas(filter);
+ if (filter & SHOW_MEM_FILTER_PAGE_COUNT)
+ return;
#ifndef CONFIG_DISCONTIGMEM
i = max_mapnr;
while (i-- > 0) {
generated by cgit v1.1 at 2024-04-28 06:11:06 +0000