aboutsummaryrefslogtreecommitdiff
path: root/arch/ia64
diff options
context:
space:
mode:
Diffstat (limited to 'arch/ia64')
-rw-r--r--arch/ia64/include/asm/iommu.h2
-rw-r--r--arch/ia64/include/asm/kvm.h1
-rw-r--r--arch/ia64/kernel/ia64_ksyms.c2
-rw-r--r--arch/ia64/kernel/pci-dma.c1
-rw-r--r--arch/ia64/kernel/smpboot.c2
-rw-r--r--arch/ia64/kvm/Kconfig1
-rw-r--r--arch/ia64/kvm/vmm.c6
-rw-r--r--arch/ia64/mm/fault.c46
-rw-r--r--arch/ia64/pci/pci.c13
9 files changed, 43 insertions, 31 deletions
diff --git a/arch/ia64/include/asm/iommu.h b/arch/ia64/include/asm/iommu.h
index b6a809fa2995..105c93b00b1b 100644
--- a/arch/ia64/include/asm/iommu.h
+++ b/arch/ia64/include/asm/iommu.h
@@ -11,12 +11,10 @@ extern void no_iommu_init(void);
extern int force_iommu, no_iommu;
extern int iommu_pass_through;
extern int iommu_detected;
-extern int iommu_group_mf;
#else
#define iommu_pass_through (0)
#define no_iommu (1)
#define iommu_detected (0)
-#define iommu_group_mf (0)
#endif
extern void iommu_dma_init(void);
extern void machvec_init(const char *name);
diff --git a/arch/ia64/include/asm/kvm.h b/arch/ia64/include/asm/kvm.h
index b9f82c84f093..ec6c6b301238 100644
--- a/arch/ia64/include/asm/kvm.h
+++ b/arch/ia64/include/asm/kvm.h
@@ -26,6 +26,7 @@
/* Select x86 specific features in <linux/kvm.h> */
#define __KVM_HAVE_IOAPIC
+#define __KVM_HAVE_IRQ_LINE
#define __KVM_HAVE_DEVICE_ASSIGNMENT
/* Architectural interrupt line count. */
diff --git a/arch/ia64/kernel/ia64_ksyms.c b/arch/ia64/kernel/ia64_ksyms.c
index 7f4a0ed24152..5b7791dd3965 100644
--- a/arch/ia64/kernel/ia64_ksyms.c
+++ b/arch/ia64/kernel/ia64_ksyms.c
@@ -12,7 +12,7 @@ EXPORT_SYMBOL(memset);
EXPORT_SYMBOL(memcpy);
EXPORT_SYMBOL(strlen);
-#include<asm/pgtable.h>
+#include <asm/pgtable.h>
EXPORT_SYMBOL_GPL(empty_zero_page);
#include <asm/checksum.h>
diff --git a/arch/ia64/kernel/pci-dma.c b/arch/ia64/kernel/pci-dma.c
index 7cdc89b2483c..1ddcfe5ef353 100644
--- a/arch/ia64/kernel/pci-dma.c
+++ b/arch/ia64/kernel/pci-dma.c
@@ -32,7 +32,6 @@ int force_iommu __read_mostly;
#endif
int iommu_pass_through;
-int iommu_group_mf;
/* Dummy device used for NULL arguments (normally ISA). Better would
be probably a smaller DMA mask, but this is bug-to-bug compatible
diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c
index 1113b8aba07f..963d2db53bfa 100644
--- a/arch/ia64/kernel/smpboot.c
+++ b/arch/ia64/kernel/smpboot.c
@@ -382,7 +382,6 @@ smp_callin (void)
set_numa_node(cpu_to_node_map[cpuid]);
set_numa_mem(local_memory_node(cpu_to_node_map[cpuid]));
- ipi_call_lock_irq();
spin_lock(&vector_lock);
/* Setup the per cpu irq handling data structures */
__setup_vector_irq(cpuid);
@@ -390,7 +389,6 @@ smp_callin (void)
set_cpu_online(cpuid, true);
per_cpu(cpu_state, cpuid) = CPU_ONLINE;
spin_unlock(&vector_lock);
- ipi_call_unlock_irq();
smp_setup_percpu_timer();
diff --git a/arch/ia64/kvm/Kconfig b/arch/ia64/kvm/Kconfig
index 9806e55f91be..df5351e3eed7 100644
--- a/arch/ia64/kvm/Kconfig
+++ b/arch/ia64/kvm/Kconfig
@@ -19,6 +19,7 @@ if VIRTUALIZATION
config KVM
tristate "Kernel-based Virtual Machine (KVM) support"
+ depends on BROKEN
depends on HAVE_KVM && MODULES && EXPERIMENTAL
# for device assignment:
depends on PCI
diff --git a/arch/ia64/kvm/vmm.c b/arch/ia64/kvm/vmm.c
index f0b9cac82414..176a12cd56de 100644
--- a/arch/ia64/kvm/vmm.c
+++ b/arch/ia64/kvm/vmm.c
@@ -20,9 +20,9 @@
*/
-#include<linux/kernel.h>
-#include<linux/module.h>
-#include<asm/fpswa.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <asm/fpswa.h>
#include "vcpu.h"
diff --git a/arch/ia64/mm/fault.c b/arch/ia64/mm/fault.c
index 02d29c2a132a..8443daf4f515 100644
--- a/arch/ia64/mm/fault.c
+++ b/arch/ia64/mm/fault.c
@@ -72,6 +72,10 @@ mapped_kernel_page_is_present (unsigned long address)
return pte_present(pte);
}
+# define VM_READ_BIT 0
+# define VM_WRITE_BIT 1
+# define VM_EXEC_BIT 2
+
void __kprobes
ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *regs)
{
@@ -81,6 +85,12 @@ ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *re
struct siginfo si;
unsigned long mask;
int fault;
+ unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE;
+
+ mask = ((((isr >> IA64_ISR_X_BIT) & 1UL) << VM_EXEC_BIT)
+ | (((isr >> IA64_ISR_W_BIT) & 1UL) << VM_WRITE_BIT));
+
+ flags |= ((mask & VM_WRITE) ? FAULT_FLAG_WRITE : 0);
/* mmap_sem is performance critical.... */
prefetchw(&mm->mmap_sem);
@@ -109,6 +119,7 @@ ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *re
if (notify_page_fault(regs, TRAP_BRKPT))
return;
+retry:
down_read(&mm->mmap_sem);
vma = find_vma_prev(mm, address, &prev_vma);
@@ -130,10 +141,6 @@ ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *re
/* OK, we've got a good vm_area for this memory area. Check the access permissions: */
-# define VM_READ_BIT 0
-# define VM_WRITE_BIT 1
-# define VM_EXEC_BIT 2
-
# if (((1 << VM_READ_BIT) != VM_READ || (1 << VM_WRITE_BIT) != VM_WRITE) \
|| (1 << VM_EXEC_BIT) != VM_EXEC)
# error File is out of sync with <linux/mm.h>. Please update.
@@ -142,9 +149,6 @@ ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *re
if (((isr >> IA64_ISR_R_BIT) & 1UL) && (!(vma->vm_flags & (VM_READ | VM_WRITE))))
goto bad_area;
- mask = ( (((isr >> IA64_ISR_X_BIT) & 1UL) << VM_EXEC_BIT)
- | (((isr >> IA64_ISR_W_BIT) & 1UL) << VM_WRITE_BIT));
-
if ((vma->vm_flags & mask) != mask)
goto bad_area;
@@ -153,7 +157,11 @@ ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *re
* sure we exit gracefully rather than endlessly redo the
* fault.
*/
- fault = handle_mm_fault(mm, vma, address, (mask & VM_WRITE) ? FAULT_FLAG_WRITE : 0);
+ fault = handle_mm_fault(mm, vma, address, flags);
+
+ if ((fault & VM_FAULT_RETRY) && fatal_signal_pending(current))
+ return;
+
if (unlikely(fault & VM_FAULT_ERROR)) {
/*
* We ran out of memory, or some other thing happened
@@ -168,10 +176,24 @@ ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *re
}
BUG();
}
- if (fault & VM_FAULT_MAJOR)
- current->maj_flt++;
- else
- current->min_flt++;
+
+ if (flags & FAULT_FLAG_ALLOW_RETRY) {
+ if (fault & VM_FAULT_MAJOR)
+ current->maj_flt++;
+ else
+ current->min_flt++;
+ if (fault & VM_FAULT_RETRY) {
+ flags &= ~FAULT_FLAG_ALLOW_RETRY;
+
+ /* No need to up_read(&mm->mmap_sem) as we would
+ * have already released it in __lock_page_or_retry
+ * in mm/filemap.c.
+ */
+
+ goto retry;
+ }
+ }
+
up_read(&mm->mmap_sem);
return;
diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
index 524df4295c90..81acc7a57f3e 100644
--- a/arch/ia64/pci/pci.c
+++ b/arch/ia64/pci/pci.c
@@ -351,6 +351,8 @@ pci_acpi_scan_root(struct acpi_pci_root *root)
#endif
INIT_LIST_HEAD(&info.resources);
+ /* insert busn resource at first */
+ pci_add_resource(&info.resources, &root->secondary);
acpi_walk_resources(device->handle, METHOD_NAME__CRS, count_window,
&windows);
if (windows) {
@@ -384,7 +386,7 @@ pci_acpi_scan_root(struct acpi_pci_root *root)
return NULL;
}
- pbus->subordinate = pci_scan_child_bus(pbus);
+ pci_scan_child_bus(pbus);
return pbus;
out3:
@@ -496,15 +498,6 @@ pcibios_align_resource (void *data, const struct resource *res,
return res->start;
}
-/*
- * PCI BIOS setup, always defaults to SAL interface
- */
-char * __init
-pcibios_setup (char *str)
-{
- return str;
-}
-
int
pci_mmap_page_range (struct pci_dev *dev, struct vm_area_struct *vma,
enum pci_mmap_state mmap_state, int write_combine)
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-30 20:06:56 +0000