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-rw-r--r--arch/parisc/kernel/cache.c13
-rw-r--r--arch/parisc/kernel/entry.S13
-rw-r--r--arch/parisc/kernel/head.S7
-rw-r--r--arch/parisc/kernel/inventory.c2
-rw-r--r--arch/parisc/kernel/irq.c32
-rw-r--r--arch/parisc/kernel/module.c10
-rw-r--r--arch/parisc/kernel/pacache.S6
-rw-r--r--arch/parisc/kernel/signal.c2
-rw-r--r--arch/parisc/kernel/smp.c5
-rw-r--r--arch/parisc/kernel/sys_parisc32.c8
-rw-r--r--arch/parisc/kernel/syscall.S2
-rw-r--r--arch/parisc/kernel/syscall_table.S8
-rw-r--r--arch/parisc/kernel/vmlinux.lds.S4
13 files changed, 72 insertions, 40 deletions
diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c
index 3f11331..83335f3 100644
--- a/arch/parisc/kernel/cache.c
+++ b/arch/parisc/kernel/cache.c
@@ -304,10 +304,20 @@ void flush_dcache_page(struct page *page)
offset = (pgoff - mpnt->vm_pgoff) << PAGE_SHIFT;
addr = mpnt->vm_start + offset;
+ /* The TLB is the engine of coherence on parisc: The
+ * CPU is entitled to speculate any page with a TLB
+ * mapping, so here we kill the mapping then flush the
+ * page along a special flush only alias mapping.
+ * This guarantees that the page is no-longer in the
+ * cache for any process and nor may it be
+ * speculatively read in (until the user or kernel
+ * specifically accesses it, of course) */
+
+ flush_tlb_page(mpnt, addr);
if (old_addr == 0 || (old_addr & (SHMLBA - 1)) != (addr & (SHMLBA - 1))) {
__flush_cache_page(mpnt, addr, page_to_phys(page));
if (old_addr)
- printk(KERN_ERR "INEQUIVALENT ALIASES 0x%lx and 0x%lx in file %s\n", old_addr, addr, mpnt->vm_file ? mpnt->vm_file->f_path.dentry->d_name.name : "(null)");
+ printk(KERN_ERR "INEQUIVALENT ALIASES 0x%lx and 0x%lx in file %s\n", old_addr, addr, mpnt->vm_file ? (char *)mpnt->vm_file->f_path.dentry->d_name.name : "(null)");
old_addr = addr;
}
}
@@ -499,6 +509,7 @@ flush_cache_page(struct vm_area_struct *vma, unsigned long vmaddr, unsigned long
{
BUG_ON(!vma->vm_mm->context);
+ flush_tlb_page(vma, vmaddr);
__flush_cache_page(vma, vmaddr, page_to_phys(pfn_to_page(pfn)));
}
diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S
index e547709..6f05944 100644
--- a/arch/parisc/kernel/entry.S
+++ b/arch/parisc/kernel/entry.S
@@ -187,8 +187,8 @@
/* Register definitions for tlb miss handler macros */
- va = r8 /* virtual address for which the trap occured */
- spc = r24 /* space for which the trap occured */
+ va = r8 /* virtual address for which the trap occurred */
+ spc = r24 /* space for which the trap occurred */
#ifndef CONFIG_64BIT
@@ -692,6 +692,9 @@ ENTRY(fault_vector_11)
END(fault_vector_11)
#endif
+ /* Fault vector is separately protected and *must* be on its own page */
+ .align PAGE_SIZE
+ENTRY(end_fault_vector)
.import handle_interruption,code
.import do_cpu_irq_mask,code
@@ -882,7 +885,7 @@ ENTRY(syscall_exit_rfi)
* (we don't store them in the sigcontext), so set them
* to "proper" values now (otherwise we'll wind up restoring
* whatever was last stored in the task structure, which might
- * be inconsistent if an interrupt occured while on the gateway
+ * be inconsistent if an interrupt occurred while on the gateway
* page). Note that we may be "trashing" values the user put in
* them, but we don't support the user changing them.
*/
@@ -1156,11 +1159,11 @@ ENDPROC(intr_save)
*/
t0 = r1 /* temporary register 0 */
- va = r8 /* virtual address for which the trap occured */
+ va = r8 /* virtual address for which the trap occurred */
t1 = r9 /* temporary register 1 */
pte = r16 /* pte/phys page # */
prot = r17 /* prot bits */
- spc = r24 /* space for which the trap occured */
+ spc = r24 /* space for which the trap occurred */
ptp = r25 /* page directory/page table pointer */
#ifdef CONFIG_64BIT
diff --git a/arch/parisc/kernel/head.S b/arch/parisc/kernel/head.S
index 4dbdf0e..37aabd7 100644
--- a/arch/parisc/kernel/head.S
+++ b/arch/parisc/kernel/head.S
@@ -106,8 +106,9 @@ $bss_loop:
#endif
- /* Now initialize the PTEs themselves */
- ldo 0+_PAGE_KERNEL(%r0),%r3 /* Hardwired 0 phys addr start */
+ /* Now initialize the PTEs themselves. We use RWX for
+ * everything ... it will get remapped correctly later */
+ ldo 0+_PAGE_KERNEL_RWX(%r0),%r3 /* Hardwired 0 phys addr start */
ldi (1<<(KERNEL_INITIAL_ORDER-PAGE_SHIFT)),%r11 /* PFN count */
load32 PA(pg0),%r1
@@ -131,7 +132,7 @@ $pgt_fill_loop:
ldo THREAD_SZ_ALGN(%r6),%sp
#ifdef CONFIG_SMP
- /* Set the smp rendevous address into page zero.
+ /* Set the smp rendezvous address into page zero.
** It would be safer to do this in init_smp_config() but
** it's just way easier to deal with here because
** of 64-bit function ptrs and the address is local to this file.
diff --git a/arch/parisc/kernel/inventory.c b/arch/parisc/kernel/inventory.c
index d228d82..08324aa 100644
--- a/arch/parisc/kernel/inventory.c
+++ b/arch/parisc/kernel/inventory.c
@@ -93,7 +93,7 @@ void __init setup_pdc(void)
case 0x6: /* 705, 710 */
case 0x7: /* 715, 725 */
case 0x8: /* 745, 747, 742 */
- case 0xA: /* 712 and similiar */
+ case 0xA: /* 712 and similar */
case 0xC: /* 715/64, at least */
pdc_type = PDC_TYPE_SNAKE;
diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c
index cb450e1..c0b1aff 100644
--- a/arch/parisc/kernel/irq.c
+++ b/arch/parisc/kernel/irq.c
@@ -113,13 +113,8 @@ int cpu_check_affinity(struct irq_data *d, const struct cpumask *dest)
int cpu_dest;
/* timer and ipi have to always be received on all CPUs */
- if (CHECK_IRQ_PER_CPU(irq_to_desc(d->irq)->status)) {
- /* Bad linux design decision. The mask has already
- * been set; we must reset it. Will fix - tglx
- */
- cpumask_setall(d->affinity);
+ if (irqd_is_per_cpu(d))
return -EINVAL;
- }
/* whatever mask they set, we just allow one CPU */
cpu_dest = first_cpu(*dest);
@@ -174,10 +169,11 @@ int show_interrupts(struct seq_file *p, void *v)
}
if (i < NR_IRQS) {
+ struct irq_desc *desc = irq_to_desc(i);
struct irqaction *action;
- raw_spin_lock_irqsave(&irq_desc[i].lock, flags);
- action = irq_desc[i].action;
+ raw_spin_lock_irqsave(&desc->lock, flags);
+ action = desc->action;
if (!action)
goto skip;
seq_printf(p, "%3d: ", i);
@@ -188,7 +184,7 @@ int show_interrupts(struct seq_file *p, void *v)
seq_printf(p, "%10u ", kstat_irqs(i));
#endif
- seq_printf(p, " %14s", irq_desc[i].irq_data.chip->name);
+ seq_printf(p, " %14s", irq_desc_get_chip(desc)->name);
#ifndef PARISC_IRQ_CR16_COUNTS
seq_printf(p, " %s", action->name);
@@ -220,7 +216,7 @@ int show_interrupts(struct seq_file *p, void *v)
seq_putc(p, '\n');
skip:
- raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags);
+ raw_spin_unlock_irqrestore(&desc->lock, flags);
}
return 0;
@@ -238,15 +234,15 @@ int show_interrupts(struct seq_file *p, void *v)
int cpu_claim_irq(unsigned int irq, struct irq_chip *type, void *data)
{
- if (irq_desc[irq].action)
+ if (irq_has_action(irq))
return -EBUSY;
- if (get_irq_chip(irq) != &cpu_interrupt_type)
+ if (irq_get_chip(irq) != &cpu_interrupt_type)
return -EBUSY;
/* for iosapic interrupts */
if (type) {
- set_irq_chip_and_handler(irq, type, handle_percpu_irq);
- set_irq_chip_data(irq, data);
+ irq_set_chip_and_handler(irq, type, handle_percpu_irq);
+ irq_set_chip_data(irq, data);
__cpu_unmask_irq(irq);
}
return 0;
@@ -357,7 +353,7 @@ void do_cpu_irq_mask(struct pt_regs *regs)
#ifdef CONFIG_SMP
desc = irq_to_desc(irq);
cpumask_copy(&dest, desc->irq_data.affinity);
- if (CHECK_IRQ_PER_CPU(desc->status) &&
+ if (irqd_is_per_cpu(&desc->irq_data) &&
!cpu_isset(smp_processor_id(), dest)) {
int cpu = first_cpu(dest);
@@ -398,14 +394,14 @@ static void claim_cpu_irqs(void)
{
int i;
for (i = CPU_IRQ_BASE; i <= CPU_IRQ_MAX; i++) {
- set_irq_chip_and_handler(i, &cpu_interrupt_type,
+ irq_set_chip_and_handler(i, &cpu_interrupt_type,
handle_percpu_irq);
}
- set_irq_handler(TIMER_IRQ, handle_percpu_irq);
+ irq_set_handler(TIMER_IRQ, handle_percpu_irq);
setup_irq(TIMER_IRQ, &timer_action);
#ifdef CONFIG_SMP
- set_irq_handler(IPI_IRQ, handle_percpu_irq);
+ irq_set_handler(IPI_IRQ, handle_percpu_irq);
setup_irq(IPI_IRQ, &ipi_action);
#endif
}
diff --git a/arch/parisc/kernel/module.c b/arch/parisc/kernel/module.c
index 6e81bb5..cedbbb8 100644
--- a/arch/parisc/kernel/module.c
+++ b/arch/parisc/kernel/module.c
@@ -61,8 +61,10 @@
#include <linux/string.h>
#include <linux/kernel.h>
#include <linux/bug.h>
+#include <linux/mm.h>
#include <linux/slab.h>
+#include <asm/pgtable.h>
#include <asm/unwind.h>
#if 0
@@ -214,7 +216,13 @@ void *module_alloc(unsigned long size)
{
if (size == 0)
return NULL;
- return vmalloc(size);
+ /* using RWX means less protection for modules, but it's
+ * easier than trying to map the text, data, init_text and
+ * init_data correctly */
+ return __vmalloc_node_range(size, 1, VMALLOC_START, VMALLOC_END,
+ GFP_KERNEL | __GFP_HIGHMEM,
+ PAGE_KERNEL_RWX, -1,
+ __builtin_return_address(0));
}
#ifndef CONFIG_64BIT
diff --git a/arch/parisc/kernel/pacache.S b/arch/parisc/kernel/pacache.S
index a858236..93ff3d9 100644
--- a/arch/parisc/kernel/pacache.S
+++ b/arch/parisc/kernel/pacache.S
@@ -817,10 +817,7 @@ ENTRY(purge_kernel_dcache_page)
.procend
ENDPROC(purge_kernel_dcache_page)
-
- .export flush_user_dcache_range_asm
-
-flush_user_dcache_range_asm:
+ENTRY(flush_user_dcache_range_asm)
.proc
.callinfo NO_CALLS
.entry
@@ -839,6 +836,7 @@ flush_user_dcache_range_asm:
.exit
.procend
+ENDPROC(flush_user_dcache_range_asm)
ENTRY(flush_kernel_dcache_range_asm)
.proc
diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c
index 609a331..12c1ed3 100644
--- a/arch/parisc/kernel/signal.c
+++ b/arch/parisc/kernel/signal.c
@@ -291,7 +291,7 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
DBG(1,"setup_rt_frame: frame->uc = 0x%p\n", &frame->uc);
DBG(1,"setup_rt_frame: frame->uc.uc_mcontext = 0x%p\n", &frame->uc.uc_mcontext);
err |= setup_sigcontext(&frame->uc.uc_mcontext, regs, in_syscall);
- /* FIXME: Should probably be converted aswell for the compat case */
+ /* FIXME: Should probably be converted as well for the compat case */
err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));
}
diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c
index 69d63d3..828305f 100644
--- a/arch/parisc/kernel/smp.c
+++ b/arch/parisc/kernel/smp.c
@@ -155,10 +155,7 @@ ipi_interrupt(int irq, void *dev_id)
case IPI_RESCHEDULE:
smp_debug(100, KERN_DEBUG "CPU%d IPI_RESCHEDULE\n", this_cpu);
- /*
- * Reschedule callback. Everything to be
- * done is done by the interrupt return path.
- */
+ scheduler_ipi();
break;
case IPI_CALL_FUNC:
diff --git a/arch/parisc/kernel/sys_parisc32.c b/arch/parisc/kernel/sys_parisc32.c
index 88a0ad1..dc9a624 100644
--- a/arch/parisc/kernel/sys_parisc32.c
+++ b/arch/parisc/kernel/sys_parisc32.c
@@ -228,3 +228,11 @@ asmlinkage long compat_sys_fallocate(int fd, int mode, u32 offhi, u32 offlo,
return sys_fallocate(fd, mode, ((loff_t)offhi << 32) | offlo,
((loff_t)lenhi << 32) | lenlo);
}
+
+asmlinkage long compat_sys_fanotify_mark(int fan_fd, int flags, u32 mask_hi,
+ u32 mask_lo, int fd,
+ const char __user *pathname)
+{
+ return sys_fanotify_mark(fan_fd, flags, ((u64)mask_hi << 32) | mask_lo,
+ fd, pathname);
+}
diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S
index 68e75ce..82a52b2 100644
--- a/arch/parisc/kernel/syscall.S
+++ b/arch/parisc/kernel/syscall.S
@@ -605,7 +605,7 @@ cas_action:
copy %r0, %r21
3:
- /* Error occured on load or store */
+ /* Error occurred on load or store */
/* Free lock */
stw %r20, 0(%sr2,%r20)
#if ENABLE_LWS_DEBUG
diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S
index 74867df..a5b02ce 100644
--- a/arch/parisc/kernel/syscall_table.S
+++ b/arch/parisc/kernel/syscall_table.S
@@ -34,7 +34,7 @@
/* Use ENTRY_SAME for 32-bit syscalls which are the same on wide and
* narrow palinux. Use ENTRY_DIFF for those where a 32-bit specific
* implementation is required on wide palinux. Use ENTRY_COMP where
- * the compatability layer has a useful 32-bit implementation.
+ * the compatibility layer has a useful 32-bit implementation.
*/
#define ENTRY_SAME(_name_) .dword sys_##_name_
#define ENTRY_DIFF(_name_) .dword sys32_##_name_
@@ -420,6 +420,12 @@
ENTRY_COMP(recvmmsg)
ENTRY_SAME(accept4) /* 320 */
ENTRY_SAME(prlimit64)
+ ENTRY_SAME(fanotify_init)
+ ENTRY_COMP(fanotify_mark)
+ ENTRY_COMP(clock_adjtime)
+ ENTRY_SAME(name_to_handle_at) /* 325 */
+ ENTRY_COMP(open_by_handle_at)
+ ENTRY_SAME(syncfs)
/* Nothing yet */
diff --git a/arch/parisc/kernel/vmlinux.lds.S b/arch/parisc/kernel/vmlinux.lds.S
index 85b8661..fa6f2b8 100644
--- a/arch/parisc/kernel/vmlinux.lds.S
+++ b/arch/parisc/kernel/vmlinux.lds.S
@@ -69,6 +69,9 @@ SECTIONS
/* End of text section */
_etext = .;
+ /* Start of data section */
+ _sdata = .;
+
RODATA
/* writeable */
@@ -134,6 +137,7 @@ SECTIONS
. = ALIGN(16384);
__init_begin = .;
INIT_TEXT_SECTION(16384)
+ . = ALIGN(PAGE_SIZE);
INIT_DATA_SECTION(16)
/* we have to discard exit text and such at runtime, not link time */
.exit.text :
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