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-rw-r--r--arch/ia64/Kconfig1
-rw-r--r--arch/ia64/include/asm/extable.h11
-rw-r--r--arch/ia64/include/asm/pci.h5
-rw-r--r--arch/ia64/include/asm/uaccess.h102
-rw-r--r--arch/ia64/include/uapi/asm/Kbuild45
-rw-r--r--arch/ia64/include/uapi/asm/socket.h6
-rw-r--r--arch/ia64/kernel/Makefile26
-rw-r--r--arch/ia64/kernel/Makefile.gate2
-rw-r--r--arch/ia64/kernel/asm-offsets.c4
-rw-r--r--arch/ia64/kernel/crash.c22
-rw-r--r--arch/ia64/kernel/module.c4
-rw-r--r--arch/ia64/kernel/salinfo.c31
-rw-r--r--arch/ia64/kernel/topology.c6
-rw-r--r--arch/ia64/kernel/vmlinux.lds.S2
-rw-r--r--arch/ia64/lib/memcpy_mck.S13
-rw-r--r--arch/ia64/mm/extable.c5
-rw-r--r--arch/ia64/pci/pci.c46
-rw-r--r--arch/ia64/sn/kernel/sn2/sn_hwperf.c17
18 files changed, 80 insertions, 268 deletions
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 18ca6a9ce566..6a15083cc366 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -52,7 +52,6 @@ config IA64
select MODULES_USE_ELF_RELA
select ARCH_USE_CMPXCHG_LOCKREF
select HAVE_ARCH_AUDITSYSCALL
- select HAVE_ARCH_HARDENED_USERCOPY
default y
help
The Itanium Processor Family is Intel's 64-bit successor to
diff --git a/arch/ia64/include/asm/extable.h b/arch/ia64/include/asm/extable.h
new file mode 100644
index 000000000000..20376e71eab4
--- /dev/null
+++ b/arch/ia64/include/asm/extable.h
@@ -0,0 +1,11 @@
+#ifndef _ASM_IA64_EXTABLE_H
+#define _ASM_IA64_EXTABLE_H
+
+#define ARCH_HAS_RELATIVE_EXTABLE
+
+struct exception_table_entry {
+ int insn; /* location-relative address of insn this fixup is for */
+ int fixup; /* location-relative continuation addr.; if bit 2 is set, r9 is set to 0 */
+};
+
+#endif
diff --git a/arch/ia64/include/asm/pci.h b/arch/ia64/include/asm/pci.h
index c0835b0dc722..6459f2d46200 100644
--- a/arch/ia64/include/asm/pci.h
+++ b/arch/ia64/include/asm/pci.h
@@ -51,8 +51,9 @@ extern unsigned long ia64_max_iommu_merge_mask;
#define PCI_DMA_BUS_IS_PHYS (ia64_max_iommu_merge_mask == ~0UL)
#define HAVE_PCI_MMAP
-extern int pci_mmap_page_range (struct pci_dev *dev, struct vm_area_struct *vma,
- enum pci_mmap_state mmap_state, int write_combine);
+#define ARCH_GENERIC_PCI_MMAP_RESOURCE
+#define arch_can_pci_mmap_wc() 1
+
#define HAVE_PCI_LEGACY
extern int pci_mmap_legacy_page_range(struct pci_bus *bus,
struct vm_area_struct *vma,
diff --git a/arch/ia64/include/asm/uaccess.h b/arch/ia64/include/asm/uaccess.h
index 471044be2a3b..82a7646c4416 100644
--- a/arch/ia64/include/asm/uaccess.h
+++ b/arch/ia64/include/asm/uaccess.h
@@ -33,14 +33,13 @@
*/
#include <linux/compiler.h>
-#include <linux/errno.h>
-#include <linux/sched.h>
#include <linux/page-flags.h>
#include <linux/mm.h>
#include <asm/intrinsics.h>
#include <asm/pgtable.h>
#include <asm/io.h>
+#include <asm/extable.h>
/*
* For historical reasons, the following macros are grossly misnamed:
@@ -48,9 +47,6 @@
#define KERNEL_DS ((mm_segment_t) { ~0UL }) /* cf. access_ok() */
#define USER_DS ((mm_segment_t) { TASK_SIZE-1 }) /* cf. access_ok() */
-#define VERIFY_READ 0
-#define VERIFY_WRITE 1
-
#define get_ds() (KERNEL_DS)
#define get_fs() (current_thread_info()->addr_limit)
#define set_fs(x) (current_thread_info()->addr_limit = (x))
@@ -63,14 +59,14 @@
* address TASK_SIZE is never valid. We also need to make sure that the address doesn't
* point inside the virtually mapped linear page table.
*/
-#define __access_ok(addr, size, segment) \
-({ \
- __chk_user_ptr(addr); \
- (likely((unsigned long) (addr) <= (segment).seg) \
- && ((segment).seg == KERNEL_DS.seg \
- || likely(REGION_OFFSET((unsigned long) (addr)) < RGN_MAP_LIMIT))); \
-})
-#define access_ok(type, addr, size) __access_ok((addr), (size), get_fs())
+static inline int __access_ok(const void __user *p, unsigned long size)
+{
+ unsigned long addr = (unsigned long)p;
+ unsigned long seg = get_fs().seg;
+ return likely(addr <= seg) &&
+ (seg == KERNEL_DS.seg || likely(REGION_OFFSET(addr) < RGN_MAP_LIMIT));
+}
+#define access_ok(type, addr, size) __access_ok((addr), (size))
/*
* These are the main single-value transfer routines. They automatically
@@ -80,8 +76,8 @@
* (a) re-use the arguments for side effects (sizeof/typeof is ok)
* (b) require any knowledge of processes at this stage
*/
-#define put_user(x, ptr) __put_user_check((__typeof__(*(ptr))) (x), (ptr), sizeof(*(ptr)), get_fs())
-#define get_user(x, ptr) __get_user_check((x), (ptr), sizeof(*(ptr)), get_fs())
+#define put_user(x, ptr) __put_user_check((__typeof__(*(ptr))) (x), (ptr), sizeof(*(ptr)))
+#define get_user(x, ptr) __get_user_check((x), (ptr), sizeof(*(ptr)))
/*
* The "__xxx" versions do not do address space checking, useful when
@@ -184,13 +180,13 @@ extern void __get_user_unknown (void);
* could clobber r8 and r9 (among others). Thus, be careful not to evaluate it while
* using r8/r9.
*/
-#define __do_get_user(check, x, ptr, size, segment) \
+#define __do_get_user(check, x, ptr, size) \
({ \
const __typeof__(*(ptr)) __user *__gu_ptr = (ptr); \
__typeof__ (size) __gu_size = (size); \
long __gu_err = -EFAULT; \
unsigned long __gu_val = 0; \
- if (!check || __access_ok(__gu_ptr, size, segment)) \
+ if (!check || __access_ok(__gu_ptr, size)) \
switch (__gu_size) { \
case 1: __get_user_size(__gu_val, __gu_ptr, 1, __gu_err); break; \
case 2: __get_user_size(__gu_val, __gu_ptr, 2, __gu_err); break; \
@@ -202,8 +198,8 @@ extern void __get_user_unknown (void);
__gu_err; \
})
-#define __get_user_nocheck(x, ptr, size) __do_get_user(0, x, ptr, size, KERNEL_DS)
-#define __get_user_check(x, ptr, size, segment) __do_get_user(1, x, ptr, size, segment)
+#define __get_user_nocheck(x, ptr, size) __do_get_user(0, x, ptr, size)
+#define __get_user_check(x, ptr, size) __do_get_user(1, x, ptr, size)
extern void __put_user_unknown (void);
@@ -211,14 +207,14 @@ extern void __put_user_unknown (void);
* Evaluating arguments X, PTR, SIZE, and SEGMENT may involve subroutine-calls, which
* could clobber r8 (among others). Thus, be careful not to evaluate them while using r8.
*/
-#define __do_put_user(check, x, ptr, size, segment) \
+#define __do_put_user(check, x, ptr, size) \
({ \
__typeof__ (x) __pu_x = (x); \
__typeof__ (*(ptr)) __user *__pu_ptr = (ptr); \
__typeof__ (size) __pu_size = (size); \
long __pu_err = -EFAULT; \
\
- if (!check || __access_ok(__pu_ptr, __pu_size, segment)) \
+ if (!check || __access_ok(__pu_ptr, __pu_size)) \
switch (__pu_size) { \
case 1: __put_user_size(__pu_x, __pu_ptr, 1, __pu_err); break; \
case 2: __put_user_size(__pu_x, __pu_ptr, 2, __pu_err); break; \
@@ -229,8 +225,8 @@ extern void __put_user_unknown (void);
__pu_err; \
})
-#define __put_user_nocheck(x, ptr, size) __do_put_user(0, x, ptr, size, KERNEL_DS)
-#define __put_user_check(x, ptr, size, segment) __do_put_user(1, x, ptr, size, segment)
+#define __put_user_nocheck(x, ptr, size) __do_put_user(0, x, ptr, size)
+#define __put_user_check(x, ptr, size) __do_put_user(1, x, ptr, size)
/*
* Complex access routines
@@ -239,56 +235,19 @@ extern unsigned long __must_check __copy_user (void __user *to, const void __use
unsigned long count);
static inline unsigned long
-__copy_to_user (void __user *to, const void *from, unsigned long count)
+raw_copy_to_user(void __user *to, const void *from, unsigned long count)
{
- check_object_size(from, count, true);
-
return __copy_user(to, (__force void __user *) from, count);
}
static inline unsigned long
-__copy_from_user (void *to, const void __user *from, unsigned long count)
+raw_copy_from_user(void *to, const void __user *from, unsigned long count)
{
- check_object_size(to, count, false);
-
return __copy_user((__force void __user *) to, from, count);
}
-#define __copy_to_user_inatomic __copy_to_user
-#define __copy_from_user_inatomic __copy_from_user
-#define copy_to_user(to, from, n) \
-({ \
- void __user *__cu_to = (to); \
- const void *__cu_from = (from); \
- long __cu_len = (n); \
- \
- if (__access_ok(__cu_to, __cu_len, get_fs())) { \
- check_object_size(__cu_from, __cu_len, true); \
- __cu_len = __copy_user(__cu_to, (__force void __user *) __cu_from, __cu_len); \
- } \
- __cu_len; \
-})
-
-static inline unsigned long
-copy_from_user(void *to, const void __user *from, unsigned long n)
-{
- check_object_size(to, n, false);
- if (likely(__access_ok(from, n, get_fs())))
- n = __copy_user((__force void __user *) to, from, n);
- else
- memset(to, 0, n);
- return n;
-}
-
-#define __copy_in_user(to, from, size) __copy_user((to), (from), (size))
-
-static inline unsigned long
-copy_in_user (void __user *to, const void __user *from, unsigned long n)
-{
- if (likely(access_ok(VERIFY_READ, from, n) && access_ok(VERIFY_WRITE, to, n)))
- n = __copy_user(to, from, n);
- return n;
-}
+#define INLINE_COPY_FROM_USER
+#define INLINE_COPY_TO_USER
extern unsigned long __do_clear_user (void __user *, unsigned long);
@@ -297,7 +256,7 @@ extern unsigned long __do_clear_user (void __user *, unsigned long);
#define clear_user(to, n) \
({ \
unsigned long __cu_len = (n); \
- if (__access_ok(to, __cu_len, get_fs())) \
+ if (__access_ok(to, __cu_len)) \
__cu_len = __do_clear_user(to, __cu_len); \
__cu_len; \
})
@@ -313,7 +272,7 @@ extern long __must_check __strncpy_from_user (char *to, const char __user *from,
({ \
const char __user * __sfu_from = (from); \
long __sfu_ret = -EFAULT; \
- if (__access_ok(__sfu_from, 0, get_fs())) \
+ if (__access_ok(__sfu_from, 0)) \
__sfu_ret = __strncpy_from_user((to), __sfu_from, (n)); \
__sfu_ret; \
})
@@ -325,7 +284,7 @@ extern unsigned long __strlen_user (const char __user *);
({ \
const char __user *__su_str = (str); \
unsigned long __su_ret = 0; \
- if (__access_ok(__su_str, 0, get_fs())) \
+ if (__access_ok(__su_str, 0)) \
__su_ret = __strlen_user(__su_str); \
__su_ret; \
})
@@ -341,18 +300,11 @@ extern unsigned long __strnlen_user (const char __user *, long);
({ \
const char __user *__su_str = (str); \
unsigned long __su_ret = 0; \
- if (__access_ok(__su_str, 0, get_fs())) \
+ if (__access_ok(__su_str, 0)) \
__su_ret = __strnlen_user(__su_str, len); \
__su_ret; \
})
-#define ARCH_HAS_RELATIVE_EXTABLE
-
-struct exception_table_entry {
- int insn; /* location-relative address of insn this fixup is for */
- int fixup; /* location-relative continuation addr.; if bit 2 is set, r9 is set to 0 */
-};
-
#define ARCH_HAS_TRANSLATE_MEM_PTR 1
static __inline__ void *
xlate_dev_mem_ptr(phys_addr_t p)
diff --git a/arch/ia64/include/uapi/asm/Kbuild b/arch/ia64/include/uapi/asm/Kbuild
index 891002bbb995..13a97aa2285f 100644
--- a/arch/ia64/include/uapi/asm/Kbuild
+++ b/arch/ia64/include/uapi/asm/Kbuild
@@ -2,48 +2,3 @@
include include/uapi/asm-generic/Kbuild.asm
generic-y += kvm_para.h
-
-header-y += auxvec.h
-header-y += bitsperlong.h
-header-y += break.h
-header-y += byteorder.h
-header-y += cmpxchg.h
-header-y += errno.h
-header-y += fcntl.h
-header-y += fpu.h
-header-y += gcc_intrin.h
-header-y += ia64regs.h
-header-y += intel_intrin.h
-header-y += intrinsics.h
-header-y += ioctl.h
-header-y += ioctls.h
-header-y += ipcbuf.h
-header-y += kvm_para.h
-header-y += mman.h
-header-y += msgbuf.h
-header-y += param.h
-header-y += perfmon.h
-header-y += perfmon_default_smpl.h
-header-y += poll.h
-header-y += posix_types.h
-header-y += ptrace.h
-header-y += ptrace_offsets.h
-header-y += resource.h
-header-y += rse.h
-header-y += sembuf.h
-header-y += setup.h
-header-y += shmbuf.h
-header-y += sigcontext.h
-header-y += siginfo.h
-header-y += signal.h
-header-y += socket.h
-header-y += sockios.h
-header-y += stat.h
-header-y += statfs.h
-header-y += swab.h
-header-y += termbits.h
-header-y += termios.h
-header-y += types.h
-header-y += ucontext.h
-header-y += unistd.h
-header-y += ustack.h
diff --git a/arch/ia64/include/uapi/asm/socket.h b/arch/ia64/include/uapi/asm/socket.h
index 57feb0c1f7d7..2c3f4b48042a 100644
--- a/arch/ia64/include/uapi/asm/socket.h
+++ b/arch/ia64/include/uapi/asm/socket.h
@@ -101,4 +101,10 @@
#define SCM_TIMESTAMPING_OPT_STATS 54
+#define SO_MEMINFO 55
+
+#define SO_INCOMING_NAPI_ID 56
+
+#define SO_COOKIE 57
+
#endif /* _ASM_IA64_SOCKET_H */
diff --git a/arch/ia64/kernel/Makefile b/arch/ia64/kernel/Makefile
index 3686d6abafde..9edda5466020 100644
--- a/arch/ia64/kernel/Makefile
+++ b/arch/ia64/kernel/Makefile
@@ -50,32 +50,10 @@ CFLAGS_traps.o += -mfixed-range=f2-f5,f16-f31
# The gate DSO image is built using a special linker script.
include $(src)/Makefile.gate
-# Calculate NR_IRQ = max(IA64_NATIVE_NR_IRQS, XEN_NR_IRQS, ...) based on config
-define sed-y
- "/^->/{s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; s:->::; p;}"
-endef
-quiet_cmd_nr_irqs = GEN $@
-define cmd_nr_irqs
- (set -e; \
- echo "#ifndef __ASM_NR_IRQS_H__"; \
- echo "#define __ASM_NR_IRQS_H__"; \
- echo "/*"; \
- echo " * DO NOT MODIFY."; \
- echo " *"; \
- echo " * This file was generated by Kbuild"; \
- echo " *"; \
- echo " */"; \
- echo ""; \
- sed -ne $(sed-y) $<; \
- echo ""; \
- echo "#endif" ) > $@
-endef
-
# We use internal kbuild rules to avoid the "is up to date" message from make
arch/$(SRCARCH)/kernel/nr-irqs.s: arch/$(SRCARCH)/kernel/nr-irqs.c
$(Q)mkdir -p $(dir $@)
$(call if_changed_dep,cc_s_c)
-include/generated/nr-irqs.h: arch/$(SRCARCH)/kernel/nr-irqs.s
- $(Q)mkdir -p $(dir $@)
- $(call cmd,nr_irqs)
+include/generated/nr-irqs.h: arch/$(SRCARCH)/kernel/nr-irqs.s FORCE
+ $(call filechk,offsets,__ASM_NR_IRQS_H__)
diff --git a/arch/ia64/kernel/Makefile.gate b/arch/ia64/kernel/Makefile.gate
index ceeffc509764..a32903ada016 100644
--- a/arch/ia64/kernel/Makefile.gate
+++ b/arch/ia64/kernel/Makefile.gate
@@ -6,7 +6,7 @@ extra-y += gate.so gate-syms.o gate.lds gate.o
CPPFLAGS_gate.lds := -P -C -U$(ARCH)
-quiet_cmd_gate = GATE $@
+quiet_cmd_gate = GATE $@
cmd_gate = $(CC) -nostdlib $(GATECFLAGS_$(@F)) -Wl,-T,$(filter-out FORCE,$^) -o $@
GATECFLAGS_gate.so = -shared -s -Wl,-soname=linux-gate.so.1 \
diff --git a/arch/ia64/kernel/asm-offsets.c b/arch/ia64/kernel/asm-offsets.c
index 8786c8b4f187..798bdb209d00 100644
--- a/arch/ia64/kernel/asm-offsets.c
+++ b/arch/ia64/kernel/asm-offsets.c
@@ -56,7 +56,6 @@ void foo(void)
DEFINE(IA64_TASK_PENDING_OFFSET,offsetof (struct task_struct, pending));
DEFINE(IA64_TASK_PID_OFFSET, offsetof (struct task_struct, pid));
DEFINE(IA64_TASK_REAL_PARENT_OFFSET, offsetof (struct task_struct, real_parent));
- DEFINE(IA64_TASK_SIGHAND_OFFSET,offsetof (struct task_struct, sighand));
DEFINE(IA64_TASK_SIGNAL_OFFSET,offsetof (struct task_struct, signal));
DEFINE(IA64_TASK_TGID_OFFSET, offsetof (struct task_struct, tgid));
DEFINE(IA64_TASK_THREAD_KSP_OFFSET, offsetof (struct task_struct, thread.ksp));
@@ -64,9 +63,6 @@ void foo(void)
BLANK();
- DEFINE(IA64_SIGHAND_SIGLOCK_OFFSET,offsetof (struct sighand_struct, siglock));
-
- BLANK();
DEFINE(IA64_SIGNAL_GROUP_STOP_COUNT_OFFSET,offsetof (struct signal_struct,
group_stop_count));
diff --git a/arch/ia64/kernel/crash.c b/arch/ia64/kernel/crash.c
index 2955f359e2a7..75859a07d75b 100644
--- a/arch/ia64/kernel/crash.c
+++ b/arch/ia64/kernel/crash.c
@@ -27,28 +27,6 @@ static int kdump_freeze_monarch;
static int kdump_on_init = 1;
static int kdump_on_fatal_mca = 1;
-static inline Elf64_Word
-*append_elf_note(Elf64_Word *buf, char *name, unsigned type, void *data,
- size_t data_len)
-{
- struct elf_note *note = (struct elf_note *)buf;
- note->n_namesz = strlen(name) + 1;
- note->n_descsz = data_len;
- note->n_type = type;
- buf += (sizeof(*note) + 3)/4;
- memcpy(buf, name, note->n_namesz);
- buf += (note->n_namesz + 3)/4;
- memcpy(buf, data, data_len);
- buf += (data_len + 3)/4;
- return buf;
-}
-
-static void
-final_note(void *buf)
-{
- memset(buf, 0, sizeof(struct elf_note));
-}
-
extern void ia64_dump_cpu_regs(void *);
static DEFINE_PER_CPU(struct elf_prstatus, elf_prstatus);
diff --git a/arch/ia64/kernel/module.c b/arch/ia64/kernel/module.c
index 6ab0ae7d6535..d1d945c6bd05 100644
--- a/arch/ia64/kernel/module.c
+++ b/arch/ia64/kernel/module.c
@@ -153,7 +153,7 @@ slot (const struct insn *insn)
static int
apply_imm64 (struct module *mod, struct insn *insn, uint64_t val)
{
- if (slot(insn) != 2) {
+ if (slot(insn) != 1 && slot(insn) != 2) {
printk(KERN_ERR "%s: invalid slot number %d for IMM64\n",
mod->name, slot(insn));
return 0;
@@ -165,7 +165,7 @@ apply_imm64 (struct module *mod, struct insn *insn, uint64_t val)
static int
apply_imm60 (struct module *mod, struct insn *insn, uint64_t val)
{
- if (slot(insn) != 2) {
+ if (slot(insn) != 1 && slot(insn) != 2) {
printk(KERN_ERR "%s: invalid slot number %d for IMM60\n",
mod->name, slot(insn));
return 0;
diff --git a/arch/ia64/kernel/salinfo.c b/arch/ia64/kernel/salinfo.c
index d194d5c83d32..63dc9cdc95c5 100644
--- a/arch/ia64/kernel/salinfo.c
+++ b/arch/ia64/kernel/salinfo.c
@@ -179,14 +179,14 @@ struct salinfo_platform_oemdata_parms {
const u8 *efi_guid;
u8 **oemdata;
u64 *oemdata_size;
- int ret;
};
-static void
+static long
salinfo_platform_oemdata_cpu(void *context)
{
struct salinfo_platform_oemdata_parms *parms = context;
- parms->ret = salinfo_platform_oemdata(parms->efi_guid, parms->oemdata, parms->oemdata_size);
+
+ return salinfo_platform_oemdata(parms->efi_guid, parms->oemdata, parms->oemdata_size);
}
static void
@@ -380,16 +380,7 @@ salinfo_log_release(struct inode *inode, struct file *file)
return 0;
}
-static void
-call_on_cpu(int cpu, void (*fn)(void *), void *arg)
-{
- cpumask_t save_cpus_allowed = current->cpus_allowed;
- set_cpus_allowed_ptr(current, cpumask_of(cpu));
- (*fn)(arg);
- set_cpus_allowed_ptr(current, &save_cpus_allowed);
-}
-
-static void
+static long
salinfo_log_read_cpu(void *context)
{
struct salinfo_data *data = context;
@@ -399,6 +390,7 @@ salinfo_log_read_cpu(void *context)
/* Clear corrected errors as they are read from SAL */
if (rh->severity == sal_log_severity_corrected)
ia64_sal_clear_state_info(data->type);
+ return 0;
}
static void
@@ -430,7 +422,7 @@ retry:
spin_unlock_irqrestore(&data_saved_lock, flags);
if (!data->saved_num)
- call_on_cpu(cpu, salinfo_log_read_cpu, data);
+ work_on_cpu_safe(cpu, salinfo_log_read_cpu, data);
if (!data->log_size) {
data->state = STATE_NO_DATA;
cpumask_clear_cpu(cpu, &data->cpu_event);
@@ -459,11 +451,13 @@ salinfo_log_read(struct file *file, char __user *buffer, size_t count, loff_t *p
return simple_read_from_buffer(buffer, count, ppos, buf, bufsize);
}
-static void
+static long
salinfo_log_clear_cpu(void *context)
{
struct salinfo_data *data = context;
+
ia64_sal_clear_state_info(data->type);
+ return 0;
}
static int
@@ -486,7 +480,7 @@ salinfo_log_clear(struct salinfo_data *data, int cpu)
rh = (sal_log_record_header_t *)(data->log_buffer);
/* Corrected errors have already been cleared from SAL */
if (rh->severity != sal_log_severity_corrected)
- call_on_cpu(cpu, salinfo_log_clear_cpu, data);
+ work_on_cpu_safe(cpu, salinfo_log_clear_cpu, data);
/* clearing a record may make a new record visible */
salinfo_log_new_read(cpu, data);
if (data->state == STATE_LOG_RECORD) {
@@ -531,9 +525,8 @@ salinfo_log_write(struct file *file, const char __user *buffer, size_t count, lo
.oemdata = &data->oemdata,
.oemdata_size = &data->oemdata_size
};
- call_on_cpu(cpu, salinfo_platform_oemdata_cpu, &parms);
- if (parms.ret)
- count = parms.ret;
+ count = work_on_cpu_safe(cpu, salinfo_platform_oemdata_cpu,
+ &parms);
} else
data->oemdata_size = 0;
} else
diff --git a/arch/ia64/kernel/topology.c b/arch/ia64/kernel/topology.c
index 1a68f012a6dc..d76529cbff20 100644
--- a/arch/ia64/kernel/topology.c
+++ b/arch/ia64/kernel/topology.c
@@ -355,18 +355,12 @@ static int cache_add_dev(unsigned int cpu)
unsigned long i, j;
struct cache_info *this_object;
int retval = 0;
- cpumask_t oldmask;
if (all_cpu_cache_info[cpu].kobj.parent)
return 0;
- oldmask = current->cpus_allowed;
- retval = set_cpus_allowed_ptr(current, cpumask_of(cpu));
- if (unlikely(retval))
- return retval;
retval = cpu_cache_sysfs_init(cpu);
- set_cpus_allowed_ptr(current, &oldmask);
if (unlikely(retval < 0))
return retval;
diff --git a/arch/ia64/kernel/vmlinux.lds.S b/arch/ia64/kernel/vmlinux.lds.S
index f89d20c97412..798026dde52e 100644
--- a/arch/ia64/kernel/vmlinux.lds.S
+++ b/arch/ia64/kernel/vmlinux.lds.S
@@ -192,6 +192,8 @@ SECTIONS {
CONSTRUCTORS
}
+ BUG_TABLE
+
. = ALIGN(16); /* gp must be 16-byte aligned for exc. table */
.got : AT(ADDR(.got) - LOAD_OFFSET) {
*(.got.plt)
diff --git a/arch/ia64/lib/memcpy_mck.S b/arch/ia64/lib/memcpy_mck.S
index b264b6a7967b..bbbadc478f5b 100644
--- a/arch/ia64/lib/memcpy_mck.S
+++ b/arch/ia64/lib/memcpy_mck.S
@@ -556,9 +556,6 @@ EK(.ex_handler, (p17) st8 [dst1]=r39,8); \
#define D r22
#define F r28
-#define memset_arg0 r32
-#define memset_arg2 r33
-
#define saved_retval loc0
#define saved_rtlink loc1
#define saved_pfs_stack loc2
@@ -622,7 +619,7 @@ EK(.ex_handler, (p17) st8 [dst1]=r39,8); \
* (faulting_addr - orig_dst) -> len to faulting st address
* B = (cur_dst - orig_dst) -> len copied so far
* C = A - B -> len need to be copied
- * D = orig_len - A -> len need to be zeroed
+ * D = orig_len - A -> len need to be left along
*/
(p6) sub A = F, saved_in0
(p7) sub A = F, saved_in1
@@ -638,9 +635,6 @@ EK(.ex_handler, (p17) st8 [dst1]=r39,8); \
sub D = saved_in2, A
;;
cmp.gt p8,p0=C,r0 // more than 1 byte?
- add memset_arg0=saved_in0, A
-(p6) mov memset_arg2=0 // copy_to_user should not call memset
-(p7) mov memset_arg2=D // copy_from_user need to have kbuf zeroed
mov r8=0
mov saved_retval = D
mov saved_rtlink = b0
@@ -652,11 +646,6 @@ EK(.ex_handler, (p17) st8 [dst1]=r39,8); \
;;
add saved_retval=saved_retval,r8 // above might return non-zero value
- cmp.gt p8,p0=memset_arg2,r0 // more than 1 byte?
- mov out0=memset_arg0 // *s
- mov out1=r0 // c
- mov out2=memset_arg2 // n
-(p8) br.call.sptk.few b0=memset
;;
mov retval=saved_retval
diff --git a/arch/ia64/mm/extable.c b/arch/ia64/mm/extable.c
index 4edb816aba9a..10dd4a66e167 100644
--- a/arch/ia64/mm/extable.c
+++ b/arch/ia64/mm/extable.c
@@ -5,7 +5,10 @@
* David Mosberger-Tang <davidm@hpl.hp.com>
*/
-#include <linux/uaccess.h>
+#include <asm/ptrace.h>
+#include <asm/extable.h>
+#include <asm/errno.h>
+#include <asm/processor.h>
void
ia64_handle_exception (struct pt_regs *regs, const struct exception_table_entry *e)
diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
index 8f6ac2f8ae4c..4068bde623dc 100644
--- a/arch/ia64/pci/pci.c
+++ b/arch/ia64/pci/pci.c
@@ -418,52 +418,6 @@ pcibios_align_resource (void *data, const struct resource *res,
return res->start;
}
-int
-pci_mmap_page_range (struct pci_dev *dev, struct vm_area_struct *vma,
- enum pci_mmap_state mmap_state, int write_combine)
-{
- unsigned long size = vma->vm_end - vma->vm_start;
- pgprot_t prot;
-
- /*
- * I/O space cannot be accessed via normal processor loads and
- * stores on this platform.
- */
- if (mmap_state == pci_mmap_io)
- /*
- * XXX we could relax this for I/O spaces for which ACPI
- * indicates that the space is 1-to-1 mapped. But at the
- * moment, we don't support multiple PCI address spaces and
- * the legacy I/O space is not 1-to-1 mapped, so this is moot.
- */
- return -EINVAL;
-
- if (!valid_mmap_phys_addr_range(vma->vm_pgoff, size))
- return -EINVAL;
-
- prot = phys_mem_access_prot(NULL, vma->vm_pgoff, size,
- vma->vm_page_prot);
-
- /*
- * If the user requested WC, the kernel uses UC or WC for this region,
- * and the chipset supports WC, we can use WC. Otherwise, we have to
- * use the same attribute the kernel uses.
- */
- if (write_combine &&
- ((pgprot_val(prot) & _PAGE_MA_MASK) == _PAGE_MA_UC ||
- (pgprot_val(prot) & _PAGE_MA_MASK) == _PAGE_MA_WC) &&
- efi_range_is_wc(vma->vm_start, vma->vm_end - vma->vm_start))
- vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
- else
- vma->vm_page_prot = prot;
-
- if (remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff,
- vma->vm_end - vma->vm_start, vma->vm_page_prot))
- return -EAGAIN;
-
- return 0;
-}
-
/**
* ia64_pci_get_legacy_mem - generic legacy mem routine
* @bus: bus to get legacy memory base address for
diff --git a/arch/ia64/sn/kernel/sn2/sn_hwperf.c b/arch/ia64/sn/kernel/sn2/sn_hwperf.c
index 52704f199dd6..55febd65911a 100644
--- a/arch/ia64/sn/kernel/sn2/sn_hwperf.c
+++ b/arch/ia64/sn/kernel/sn2/sn_hwperf.c
@@ -598,12 +598,17 @@ static void sn_hwperf_call_sal(void *info)
op_info->ret = r;
}
+static long sn_hwperf_call_sal_work(void *info)
+{
+ sn_hwperf_call_sal(info);
+ return 0;
+}
+
static int sn_hwperf_op_cpu(struct sn_hwperf_op_info *op_info)
{
u32 cpu;
u32 use_ipi;
int r = 0;
- cpumask_t save_allowed;
cpu = (op_info->a->arg & SN_HWPERF_ARG_CPU_MASK) >> 32;
use_ipi = op_info->a->arg & SN_HWPERF_ARG_USE_IPI_MASK;
@@ -629,13 +634,9 @@ static int sn_hwperf_op_cpu(struct sn_hwperf_op_info *op_info)
/* use an interprocessor interrupt to call SAL */
smp_call_function_single(cpu, sn_hwperf_call_sal,
op_info, 1);
- }
- else {
- /* migrate the task before calling SAL */
- save_allowed = current->cpus_allowed;
- set_cpus_allowed_ptr(current, cpumask_of(cpu));
- sn_hwperf_call_sal(op_info);
- set_cpus_allowed_ptr(current, &save_allowed);
+ } else {
+ /* Call on the target CPU */
+ work_on_cpu_safe(cpu, sn_hwperf_call_sal_work, op_info);
}
}
r = op_info->ret;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.