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-rw-r--r--arch/ia64/kernel/Makefile9
-rw-r--r--arch/ia64/kernel/crash_dump.c32
-rw-r--r--arch/ia64/kernel/iosapic.c2
-rw-r--r--arch/ia64/kernel/irq.c4
-rw-r--r--arch/ia64/kernel/kprobes.c64
-rw-r--r--arch/ia64/kernel/mca.c3
-rw-r--r--arch/ia64/kernel/mca_drv.c2
-rw-r--r--arch/ia64/kernel/module.c12
-rw-r--r--arch/ia64/kernel/msi_ia64.c4
-rw-r--r--arch/ia64/kernel/palinfo.c2
-rw-r--r--arch/ia64/kernel/process.c23
-rw-r--r--arch/ia64/kernel/ptrace.c65
-rw-r--r--arch/ia64/kernel/salinfo.c10
-rw-r--r--arch/ia64/kernel/setup.c9
-rw-r--r--arch/ia64/kernel/signal.c1
-rw-r--r--arch/ia64/kernel/smp.c6
-rw-r--r--arch/ia64/kernel/smpboot.c4
-rw-r--r--arch/ia64/kernel/sys_ia64.c26
-rw-r--r--arch/ia64/kernel/syscalls/Makefile3
-rw-r--r--arch/ia64/kernel/syscalls/syscall.tbl3
-rw-r--r--arch/ia64/kernel/topology.c13
-rw-r--r--arch/ia64/kernel/traps.c4
-rw-r--r--arch/ia64/kernel/unaligned.c60
-rw-r--r--arch/ia64/kernel/uncached.c4
24 files changed, 151 insertions, 214 deletions
diff --git a/arch/ia64/kernel/Makefile b/arch/ia64/kernel/Makefile
index 08d4a2ba0652..ae9ff07de4ab 100644
--- a/arch/ia64/kernel/Makefile
+++ b/arch/ia64/kernel/Makefile
@@ -7,9 +7,9 @@ ifdef CONFIG_DYNAMIC_FTRACE
CFLAGS_REMOVE_ftrace.o = -pg
endif
-extra-y := head.o vmlinux.lds
+extra-y := vmlinux.lds
-obj-y := entry.o efi.o efi_stub.o gate-data.o fsys.o irq.o irq_ia64.o \
+obj-y := head.o entry.o efi.o efi_stub.o gate-data.o fsys.o irq.o irq_ia64.o \
irq_lsapic.o ivt.o pal.o patch.o process.o ptrace.o sal.o \
salinfo.o setup.o signal.o sys_ia64.o time.o traps.o unaligned.o \
unwind.o mca.o mca_asm.o topology.o dma-mapping.o iosapic.o acpi.o \
@@ -34,10 +34,7 @@ mca_recovery-y += mca_drv.o mca_drv_asm.o
obj-$(CONFIG_IA64_MC_ERR_INJECT)+= err_inject.o
obj-$(CONFIG_STACKTRACE) += stacktrace.o
-obj-$(CONFIG_IA64_ESI) += esi.o
-ifneq ($(CONFIG_IA64_ESI),)
-obj-y += esi_stub.o # must be in kernel proper
-endif
+obj-$(CONFIG_IA64_ESI) += esi.o esi_stub.o # must be in kernel proper
obj-$(CONFIG_INTEL_IOMMU) += pci-dma.o
obj-$(CONFIG_ELF_CORE) += elfcore.o
diff --git a/arch/ia64/kernel/crash_dump.c b/arch/ia64/kernel/crash_dump.c
index 0ed3c3dee4cd..4ef68e2aa757 100644
--- a/arch/ia64/kernel/crash_dump.c
+++ b/arch/ia64/kernel/crash_dump.c
@@ -10,42 +10,18 @@
#include <linux/errno.h>
#include <linux/types.h>
#include <linux/crash_dump.h>
-
+#include <linux/uio.h>
#include <asm/page.h>
-#include <linux/uaccess.h>
-/**
- * copy_oldmem_page - copy one page from "oldmem"
- * @pfn: page frame number to be copied
- * @buf: target memory address for the copy; this can be in kernel address
- * space or user address space (see @userbuf)
- * @csize: number of bytes to copy
- * @offset: offset in bytes into the page (based on pfn) to begin the copy
- * @userbuf: if set, @buf is in user address space, use copy_to_user(),
- * otherwise @buf is in kernel address space, use memcpy().
- *
- * Copy a page from "oldmem". For this page, there is no pte mapped
- * in the current kernel. We stitch up a pte, similar to kmap_atomic.
- *
- * Calling copy_to_user() in atomic context is not desirable. Hence first
- * copying the data to a pre-allocated kernel page and then copying to user
- * space in non-atomic context.
- */
-ssize_t
-copy_oldmem_page(unsigned long pfn, char *buf,
- size_t csize, unsigned long offset, int userbuf)
+ssize_t copy_oldmem_page(struct iov_iter *iter, unsigned long pfn,
+ size_t csize, unsigned long offset)
{
void *vaddr;
if (!csize)
return 0;
vaddr = __va(pfn<<PAGE_SHIFT);
- if (userbuf) {
- if (copy_to_user(buf, (vaddr + offset), csize)) {
- return -EFAULT;
- }
- } else
- memcpy(buf, (vaddr + offset), csize);
+ csize = copy_to_iter(vaddr + offset, csize, iter);
return csize;
}
diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c
index 35adcf89035a..99300850abc1 100644
--- a/arch/ia64/kernel/iosapic.c
+++ b/arch/ia64/kernel/iosapic.c
@@ -834,7 +834,7 @@ iosapic_unregister_intr (unsigned int gsi)
if (iosapic_intr_info[irq].count == 0) {
#ifdef CONFIG_SMP
/* Clear affinity */
- cpumask_setall(irq_get_affinity_mask(irq));
+ irq_data_update_affinity(irq_get_irq_data(irq), cpu_all_mask);
#endif
/* Clear the interrupt information */
iosapic_intr_info[irq].dest = 0;
diff --git a/arch/ia64/kernel/irq.c b/arch/ia64/kernel/irq.c
index ecef17c7c35b..275b9ea58c64 100644
--- a/arch/ia64/kernel/irq.c
+++ b/arch/ia64/kernel/irq.c
@@ -57,8 +57,8 @@ static char irq_redir [NR_IRQS]; // = { [0 ... NR_IRQS-1] = 1 };
void set_irq_affinity_info (unsigned int irq, int hwid, int redir)
{
if (irq < NR_IRQS) {
- cpumask_copy(irq_get_affinity_mask(irq),
- cpumask_of(cpu_logical_id(hwid)));
+ irq_data_update_affinity(irq_get_irq_data(irq),
+ cpumask_of(cpu_logical_id(hwid)));
irq_redir[irq] = (char) (redir & 0xff);
}
}
diff --git a/arch/ia64/kernel/kprobes.c b/arch/ia64/kernel/kprobes.c
index 1a7bab1c5d7c..ca34e51e84b4 100644
--- a/arch/ia64/kernel/kprobes.c
+++ b/arch/ia64/kernel/kprobes.c
@@ -29,38 +29,38 @@ struct kretprobe_blackpoint kretprobe_blacklist[] = {{NULL, NULL}};
enum instruction_type {A, I, M, F, B, L, X, u};
static enum instruction_type bundle_encoding[32][3] = {
- { M, I, I }, /* 00 */
- { M, I, I }, /* 01 */
- { M, I, I }, /* 02 */
- { M, I, I }, /* 03 */
- { M, L, X }, /* 04 */
- { M, L, X }, /* 05 */
- { u, u, u }, /* 06 */
- { u, u, u }, /* 07 */
- { M, M, I }, /* 08 */
- { M, M, I }, /* 09 */
- { M, M, I }, /* 0A */
- { M, M, I }, /* 0B */
- { M, F, I }, /* 0C */
- { M, F, I }, /* 0D */
- { M, M, F }, /* 0E */
- { M, M, F }, /* 0F */
- { M, I, B }, /* 10 */
- { M, I, B }, /* 11 */
- { M, B, B }, /* 12 */
- { M, B, B }, /* 13 */
- { u, u, u }, /* 14 */
- { u, u, u }, /* 15 */
- { B, B, B }, /* 16 */
- { B, B, B }, /* 17 */
- { M, M, B }, /* 18 */
- { M, M, B }, /* 19 */
- { u, u, u }, /* 1A */
- { u, u, u }, /* 1B */
- { M, F, B }, /* 1C */
- { M, F, B }, /* 1D */
- { u, u, u }, /* 1E */
- { u, u, u }, /* 1F */
+ [0x00] = { M, I, I },
+ [0x01] = { M, I, I },
+ [0x02] = { M, I, I },
+ [0x03] = { M, I, I },
+ [0x04] = { M, L, X },
+ [0x05] = { M, L, X },
+ [0x06] = { u, u, u },
+ [0x07] = { u, u, u },
+ [0x08] = { M, M, I },
+ [0x09] = { M, M, I },
+ [0x0A] = { M, M, I },
+ [0x0B] = { M, M, I },
+ [0x0C] = { M, F, I },
+ [0x0D] = { M, F, I },
+ [0x0E] = { M, M, F },
+ [0x0F] = { M, M, F },
+ [0x10] = { M, I, B },
+ [0x11] = { M, I, B },
+ [0x12] = { M, B, B },
+ [0x13] = { M, B, B },
+ [0x14] = { u, u, u },
+ [0x15] = { u, u, u },
+ [0x16] = { B, B, B },
+ [0x17] = { B, B, B },
+ [0x18] = { M, M, B },
+ [0x19] = { M, M, B },
+ [0x1A] = { u, u, u },
+ [0x1B] = { u, u, u },
+ [0x1C] = { M, F, B },
+ [0x1D] = { M, F, B },
+ [0x1E] = { u, u, u },
+ [0x1F] = { u, u, u },
};
/* Insert a long branch code */
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index e628a88607bb..92ede80d17fe 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -290,7 +290,6 @@ static void ia64_mlogbuf_finish(int wait)
{
BREAK_LOGLEVEL(console_loglevel);
- spin_lock_init(&mlogbuf_rlock);
ia64_mlogbuf_dump();
printk(KERN_EMERG "mlogbuf_finish: printing switched to urgent mode, "
"MCA/INIT might be dodgy or fail.\n");
@@ -1794,7 +1793,7 @@ format_mca_init_stack(void *mca_data, unsigned long offset,
p->parent = p->real_parent = p->group_leader = p;
INIT_LIST_HEAD(&p->children);
INIT_LIST_HEAD(&p->sibling);
- strncpy(p->comm, type, sizeof(p->comm)-1);
+ strscpy(p->comm, type, sizeof(p->comm)-1);
}
/* Caller prevents this from being called after init */
diff --git a/arch/ia64/kernel/mca_drv.c b/arch/ia64/kernel/mca_drv.c
index 5bfc79be4cef..23c203639a96 100644
--- a/arch/ia64/kernel/mca_drv.c
+++ b/arch/ia64/kernel/mca_drv.c
@@ -176,7 +176,7 @@ mca_handler_bh(unsigned long paddr, void *iip, unsigned long ipsr)
spin_unlock(&mca_bh_lock);
/* This process is about to be killed itself */
- do_exit(SIGKILL);
+ make_task_dead(SIGKILL);
}
/**
diff --git a/arch/ia64/kernel/module.c b/arch/ia64/kernel/module.c
index 2cba53c1da82..8f62cf97f691 100644
--- a/arch/ia64/kernel/module.c
+++ b/arch/ia64/kernel/module.c
@@ -602,15 +602,15 @@ get_fdesc (struct module *mod, uint64_t value, int *okp)
return value;
/* Look for existing function descriptor. */
- while (fdesc->ip) {
- if (fdesc->ip == value)
+ while (fdesc->addr) {
+ if (fdesc->addr == value)
return (uint64_t)fdesc;
if ((uint64_t) ++fdesc >= mod->arch.opd->sh_addr + mod->arch.opd->sh_size)
BUG();
}
/* Create new one */
- fdesc->ip = value;
+ fdesc->addr = value;
fdesc->gp = mod->arch.gp;
return (uint64_t) fdesc;
}
@@ -848,7 +848,7 @@ register_unwind_table (struct module *mod)
{
struct unw_table_entry *start = (void *) mod->arch.unwind->sh_addr;
struct unw_table_entry *end = start + mod->arch.unwind->sh_size / sizeof (*start);
- struct unw_table_entry tmp, *e1, *e2, *core, *init;
+ struct unw_table_entry *e1, *e2, *core, *init;
unsigned long num_init = 0, num_core = 0;
/* First, count how many init and core unwind-table entries there are. */
@@ -865,9 +865,7 @@ register_unwind_table (struct module *mod)
for (e1 = start; e1 < end; ++e1) {
for (e2 = e1 + 1; e2 < end; ++e2) {
if (e2->start_offset < e1->start_offset) {
- tmp = *e1;
- *e1 = *e2;
- *e2 = tmp;
+ swap(*e1, *e2);
}
}
}
diff --git a/arch/ia64/kernel/msi_ia64.c b/arch/ia64/kernel/msi_ia64.c
index df5c28f252e3..025e5133c860 100644
--- a/arch/ia64/kernel/msi_ia64.c
+++ b/arch/ia64/kernel/msi_ia64.c
@@ -37,7 +37,7 @@ static int ia64_set_msi_irq_affinity(struct irq_data *idata,
msg.data = data;
pci_write_msi_msg(irq, &msg);
- cpumask_copy(irq_data_get_affinity_mask(idata), cpumask_of(cpu));
+ irq_data_update_affinity(idata, cpumask_of(cpu));
return 0;
}
@@ -132,7 +132,7 @@ static int dmar_msi_set_affinity(struct irq_data *data,
msg.address_lo |= MSI_ADDR_DEST_ID_CPU(cpu_physical_id(cpu));
dmar_msi_write(irq, &msg);
- cpumask_copy(irq_data_get_affinity_mask(data), mask);
+ irq_data_update_affinity(data, mask);
return 0;
}
diff --git a/arch/ia64/kernel/palinfo.c b/arch/ia64/kernel/palinfo.c
index 64189f04c1a4..b9ae093bfe37 100644
--- a/arch/ia64/kernel/palinfo.c
+++ b/arch/ia64/kernel/palinfo.c
@@ -120,7 +120,7 @@ static const char *mem_attrib[]={
* Input:
* - a pointer to a buffer to hold the string
* - a 64-bit vector
- * Ouput:
+ * Output:
* - a pointer to the end of the buffer
*
*/
diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c
index 834df24a88f1..416305e550e2 100644
--- a/arch/ia64/kernel/process.c
+++ b/arch/ia64/kernel/process.c
@@ -19,6 +19,7 @@
#include <linux/module.h>
#include <linux/notifier.h>
#include <linux/personality.h>
+#include <linux/reboot.h>
#include <linux/sched.h>
#include <linux/sched/debug.h>
#include <linux/sched/hotplug.h>
@@ -32,7 +33,7 @@
#include <linux/delay.h>
#include <linux/kdebug.h>
#include <linux/utsname.h>
-#include <linux/tracehook.h>
+#include <linux/resume_user_mode.h>
#include <linux/rcupdate.h>
#include <asm/cpu.h>
@@ -179,7 +180,7 @@ do_notify_resume_user(sigset_t *unused, struct sigscratch *scr, long in_syscall)
if (test_thread_flag(TIF_NOTIFY_RESUME)) {
local_irq_enable(); /* force interrupt enable */
- tracehook_notify_resume(&scr->pt);
+ resume_user_mode_work(&scr->pt);
}
/* copy user rbs to kernel rbs */
@@ -295,9 +296,12 @@ ia64_load_extra (struct task_struct *task)
* so there is nothing to worry about.
*/
int
-copy_thread(unsigned long clone_flags, unsigned long user_stack_base,
- unsigned long user_stack_size, struct task_struct *p, unsigned long tls)
+copy_thread(struct task_struct *p, const struct kernel_clone_args *args)
{
+ unsigned long clone_flags = args->flags;
+ unsigned long user_stack_base = args->stack;
+ unsigned long user_stack_size = args->stack_size;
+ unsigned long tls = args->tls;
extern char ia64_ret_from_clone;
struct switch_stack *child_stack, *stack;
unsigned long rbs, child_rbs, rbs_size;
@@ -338,14 +342,14 @@ copy_thread(unsigned long clone_flags, unsigned long user_stack_base,
ia64_drop_fpu(p); /* don't pick up stale state from a CPU's fph */
- if (unlikely(p->flags & (PF_KTHREAD | PF_IO_WORKER))) {
- if (unlikely(!user_stack_base)) {
+ if (unlikely(args->fn)) {
+ if (unlikely(args->idle)) {
/* fork_idle() called us */
return 0;
}
memset(child_stack, 0, sizeof(*child_ptregs) + sizeof(*child_stack));
- child_stack->r4 = user_stack_base; /* payload */
- child_stack->r5 = user_stack_size; /* argument */
+ child_stack->r4 = (unsigned long) args->fn;
+ child_stack->r5 = (unsigned long) args->fn_arg;
/*
* Preserve PSR bits, except for bits 32-34 and 37-45,
* which we can't read.
@@ -599,8 +603,7 @@ machine_halt (void)
void
machine_power_off (void)
{
- if (pm_power_off)
- pm_power_off();
+ do_kernel_power_off();
machine_halt();
}
diff --git a/arch/ia64/kernel/ptrace.c b/arch/ia64/kernel/ptrace.c
index 6a1439eaa050..ab8aeb34d1d9 100644
--- a/arch/ia64/kernel/ptrace.c
+++ b/arch/ia64/kernel/ptrace.c
@@ -23,7 +23,7 @@
#include <linux/signal.h>
#include <linux/regset.h>
#include <linux/elf.h>
-#include <linux/tracehook.h>
+#include <linux/resume_user_mode.h>
#include <asm/processor.h>
#include <asm/ptrace_offsets.h>
@@ -618,63 +618,6 @@ void ia64_sync_krbs(void)
}
/*
- * After PTRACE_ATTACH, a thread's register backing store area in user
- * space is assumed to contain correct data whenever the thread is
- * stopped. arch_ptrace_stop takes care of this on tracing stops.
- * But if the child was already stopped for job control when we attach
- * to it, then it might not ever get into ptrace_stop by the time we
- * want to examine the user memory containing the RBS.
- */
-void
-ptrace_attach_sync_user_rbs (struct task_struct *child)
-{
- int stopped = 0;
- struct unw_frame_info info;
-
- /*
- * If the child is in TASK_STOPPED, we need to change that to
- * TASK_TRACED momentarily while we operate on it. This ensures
- * that the child won't be woken up and return to user mode while
- * we are doing the sync. (It can only be woken up for SIGKILL.)
- */
-
- read_lock(&tasklist_lock);
- if (child->sighand) {
- spin_lock_irq(&child->sighand->siglock);
- if (READ_ONCE(child->__state) == TASK_STOPPED &&
- !test_and_set_tsk_thread_flag(child, TIF_RESTORE_RSE)) {
- set_notify_resume(child);
-
- WRITE_ONCE(child->__state, TASK_TRACED);
- stopped = 1;
- }
- spin_unlock_irq(&child->sighand->siglock);
- }
- read_unlock(&tasklist_lock);
-
- if (!stopped)
- return;
-
- unw_init_from_blocked_task(&info, child);
- do_sync_rbs(&info, ia64_sync_user_rbs);
-
- /*
- * Now move the child back into TASK_STOPPED if it should be in a
- * job control stop, so that SIGCONT can be used to wake it up.
- */
- read_lock(&tasklist_lock);
- if (child->sighand) {
- spin_lock_irq(&child->sighand->siglock);
- if (READ_ONCE(child->__state) == TASK_TRACED &&
- (child->signal->flags & SIGNAL_STOP_STOPPED)) {
- WRITE_ONCE(child->__state, TASK_STOPPED);
- }
- spin_unlock_irq(&child->sighand->siglock);
- }
- read_unlock(&tasklist_lock);
-}
-
-/*
* Write f32-f127 back to task->thread.fph if it has been modified.
*/
inline void
@@ -1217,7 +1160,7 @@ syscall_trace_enter (long arg0, long arg1, long arg2, long arg3,
struct pt_regs regs)
{
if (test_thread_flag(TIF_SYSCALL_TRACE))
- if (tracehook_report_syscall_entry(&regs))
+ if (ptrace_report_syscall_entry(&regs))
return -ENOSYS;
/* copy user rbs to kernel rbs */
@@ -1243,7 +1186,7 @@ syscall_trace_leave (long arg0, long arg1, long arg2, long arg3,
step = test_thread_flag(TIF_SINGLESTEP);
if (step || test_thread_flag(TIF_SYSCALL_TRACE))
- tracehook_report_syscall_exit(&regs, step);
+ ptrace_report_syscall_exit(&regs, step);
/* copy user rbs to kernel rbs */
if (test_thread_flag(TIF_RESTORE_RSE))
@@ -2025,7 +1968,7 @@ static void syscall_get_args_cb(struct unw_frame_info *info, void *data)
* - epsinstruction: cfm is set by br.call
* locals don't exist.
*
- * For both cases argguments are reachable in cfm.sof - cfm.sol.
+ * For both cases arguments are reachable in cfm.sof - cfm.sol.
* CFM: [ ... | sor: 17..14 | sol : 13..7 | sof : 6..0 ]
*/
cfm = pt->cr_ifs;
diff --git a/arch/ia64/kernel/salinfo.c b/arch/ia64/kernel/salinfo.c
index a25ab9b37953..bd3ba276e69c 100644
--- a/arch/ia64/kernel/salinfo.c
+++ b/arch/ia64/kernel/salinfo.c
@@ -282,7 +282,7 @@ salinfo_event_open(struct inode *inode, struct file *file)
static ssize_t
salinfo_event_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos)
{
- struct salinfo_data *data = PDE_DATA(file_inode(file));
+ struct salinfo_data *data = pde_data(file_inode(file));
char cmd[32];
size_t size;
int i, n, cpu = -1;
@@ -340,7 +340,7 @@ static const struct proc_ops salinfo_event_proc_ops = {
static int
salinfo_log_open(struct inode *inode, struct file *file)
{
- struct salinfo_data *data = PDE_DATA(inode);
+ struct salinfo_data *data = pde_data(inode);
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
@@ -365,7 +365,7 @@ salinfo_log_open(struct inode *inode, struct file *file)
static int
salinfo_log_release(struct inode *inode, struct file *file)
{
- struct salinfo_data *data = PDE_DATA(inode);
+ struct salinfo_data *data = pde_data(inode);
if (data->state == STATE_NO_DATA) {
vfree(data->log_buffer);
@@ -433,7 +433,7 @@ retry:
static ssize_t
salinfo_log_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos)
{
- struct salinfo_data *data = PDE_DATA(file_inode(file));
+ struct salinfo_data *data = pde_data(file_inode(file));
u8 *buf;
u64 bufsize;
@@ -494,7 +494,7 @@ salinfo_log_clear(struct salinfo_data *data, int cpu)
static ssize_t
salinfo_log_write(struct file *file, const char __user *buffer, size_t count, loff_t *ppos)
{
- struct salinfo_data *data = PDE_DATA(file_inode(file));
+ struct salinfo_data *data = pde_data(file_inode(file));
char cmd[32];
size_t size;
u32 offset;
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index 31fb84de2d21..c05728044272 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -208,10 +208,7 @@ sort_regions (struct rsvd_region *rsvd_region, int max)
while (max--) {
for (j = 0; j < max; ++j) {
if (rsvd_region[j].start > rsvd_region[j+1].start) {
- struct rsvd_region tmp;
- tmp = rsvd_region[j];
- rsvd_region[j] = rsvd_region[j + 1];
- rsvd_region[j + 1] = tmp;
+ swap(rsvd_region[j], rsvd_region[j + 1]);
}
}
}
@@ -555,7 +552,7 @@ setup_arch (char **cmdline_p)
ia64_patch_vtop((u64) __start___vtop_patchlist, (u64) __end___vtop_patchlist);
*cmdline_p = __va(ia64_boot_param->command_line);
- strlcpy(boot_command_line, *cmdline_p, COMMAND_LINE_SIZE);
+ strscpy(boot_command_line, *cmdline_p, COMMAND_LINE_SIZE);
efi_init();
io_port_init();
@@ -575,7 +572,7 @@ setup_arch (char **cmdline_p)
#ifdef CONFIG_ACPI_HOTPLUG_CPU
prefill_possible_map();
#endif
- per_cpu_scan_finalize((cpumask_weight(&early_cpu_possible_map) == 0 ?
+ per_cpu_scan_finalize((cpumask_empty(&early_cpu_possible_map) ?
32 : cpumask_weight(&early_cpu_possible_map)),
additional_cpus > 0 ? additional_cpus : 0);
#endif /* CONFIG_ACPI_NUMA */
diff --git a/arch/ia64/kernel/signal.c b/arch/ia64/kernel/signal.c
index c1b299760bf7..51cf6a7ec158 100644
--- a/arch/ia64/kernel/signal.c
+++ b/arch/ia64/kernel/signal.c
@@ -12,7 +12,6 @@
#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/ptrace.h>
-#include <linux/tracehook.h>
#include <linux/sched.h>
#include <linux/signal.h>
#include <linux/smp.h>
diff --git a/arch/ia64/kernel/smp.c b/arch/ia64/kernel/smp.c
index 7b7b64eb3129..e2cc59db86bc 100644
--- a/arch/ia64/kernel/smp.c
+++ b/arch/ia64/kernel/smp.c
@@ -333,9 +333,3 @@ smp_send_stop (void)
{
send_IPI_allbutself(IPI_CPU_STOP);
}
-
-int
-setup_profiling_timer (unsigned int multiplier)
-{
- return -EINVAL;
-}
diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c
index d10f780c13b9..d0e935cf2093 100644
--- a/arch/ia64/kernel/smpboot.c
+++ b/arch/ia64/kernel/smpboot.c
@@ -576,8 +576,6 @@ clear_cpu_sibling_map(int cpu)
static void
remove_siblinginfo(int cpu)
{
- int last = 0;
-
if (cpu_data(cpu)->threads_per_core == 1 &&
cpu_data(cpu)->cores_per_socket == 1) {
cpumask_clear_cpu(cpu, &cpu_core_map[cpu]);
@@ -585,8 +583,6 @@ remove_siblinginfo(int cpu)
return;
}
- last = (cpumask_weight(&cpu_core_map[cpu]) == 1 ? 1 : 0);
-
/* remove it from all sibling map's */
clear_cpu_sibling_map(cpu);
}
diff --git a/arch/ia64/kernel/sys_ia64.c b/arch/ia64/kernel/sys_ia64.c
index e14db25146c2..215bf3f8cb20 100644
--- a/arch/ia64/kernel/sys_ia64.c
+++ b/arch/ia64/kernel/sys_ia64.c
@@ -166,3 +166,29 @@ ia64_mremap (unsigned long addr, unsigned long old_len, unsigned long new_len, u
force_successful_syscall_return();
return addr;
}
+
+asmlinkage long
+ia64_clock_getres(const clockid_t which_clock, struct __kernel_timespec __user *tp)
+{
+ /*
+ * ia64's clock_gettime() syscall is implemented as a vdso call
+ * fsys_clock_gettime(). Currently it handles only
+ * CLOCK_REALTIME and CLOCK_MONOTONIC. Both are based on
+ * 'ar.itc' counter which gets incremented at a constant
+ * frequency. It's usually 400MHz, ~2.5x times slower than CPU
+ * clock frequency. Which is almost a 1ns hrtimer, but not quite.
+ *
+ * Let's special-case these timers to report correct precision
+ * based on ITC frequency and not HZ frequency for supported
+ * clocks.
+ */
+ switch (which_clock) {
+ case CLOCK_REALTIME:
+ case CLOCK_MONOTONIC:
+ s64 tick_ns = DIV_ROUND_UP(NSEC_PER_SEC, local_cpu_data->itc_freq);
+ struct timespec64 rtn_tp = ns_to_timespec64(tick_ns);
+ return put_timespec64(&rtn_tp, tp);
+ }
+
+ return sys_clock_getres(which_clock, tp);
+}
diff --git a/arch/ia64/kernel/syscalls/Makefile b/arch/ia64/kernel/syscalls/Makefile
index 14f40ecf8b65..d009f927a048 100644
--- a/arch/ia64/kernel/syscalls/Makefile
+++ b/arch/ia64/kernel/syscalls/Makefile
@@ -2,8 +2,7 @@
kapi := arch/$(SRCARCH)/include/generated/asm
uapi := arch/$(SRCARCH)/include/generated/uapi/asm
-_dummy := $(shell [ -d '$(uapi)' ] || mkdir -p '$(uapi)') \
- $(shell [ -d '$(kapi)' ] || mkdir -p '$(kapi)')
+$(shell mkdir -p $(uapi) $(kapi))
syscall := $(src)/syscall.tbl
syshdr := $(srctree)/scripts/syscallhdr.sh
diff --git a/arch/ia64/kernel/syscalls/syscall.tbl b/arch/ia64/kernel/syscalls/syscall.tbl
index 707ae121f6d3..72c929d9902b 100644
--- a/arch/ia64/kernel/syscalls/syscall.tbl
+++ b/arch/ia64/kernel/syscalls/syscall.tbl
@@ -240,7 +240,7 @@
228 common timer_delete sys_timer_delete
229 common clock_settime sys_clock_settime
230 common clock_gettime sys_clock_gettime
-231 common clock_getres sys_clock_getres
+231 common clock_getres ia64_clock_getres
232 common clock_nanosleep sys_clock_nanosleep
233 common fstatfs64 sys_fstatfs64
234 common statfs64 sys_statfs64
@@ -370,3 +370,4 @@
# 447 reserved for memfd_secret
448 common process_mrelease sys_process_mrelease
449 common futex_waitv sys_futex_waitv
+450 common set_mempolicy_home_node sys_set_mempolicy_home_node
diff --git a/arch/ia64/kernel/topology.c b/arch/ia64/kernel/topology.c
index 3639e0a7cb3b..94a848b06f15 100644
--- a/arch/ia64/kernel/topology.c
+++ b/arch/ia64/kernel/topology.c
@@ -70,16 +70,6 @@ static int __init topology_init(void)
{
int i, err = 0;
-#ifdef CONFIG_NUMA
- /*
- * MCD - Do we want to register all ONLINE nodes, or all POSSIBLE nodes?
- */
- for_each_online_node(i) {
- if ((err = register_one_node(i)))
- goto out;
- }
-#endif
-
sysfs_cpus = kcalloc(NR_CPUS, sizeof(struct ia64_cpu), GFP_KERNEL);
if (!sysfs_cpus)
panic("kzalloc in topology_init failed - NR_CPUS too big?");
@@ -264,6 +254,7 @@ static struct attribute * cache_default_attrs[] = {
&shared_cpu_map.attr,
NULL
};
+ATTRIBUTE_GROUPS(cache_default);
#define to_object(k) container_of(k, struct cache_info, kobj)
#define to_attr(a) container_of(a, struct cache_attr, attr)
@@ -284,7 +275,7 @@ static const struct sysfs_ops cache_sysfs_ops = {
static struct kobj_type cache_ktype = {
.sysfs_ops = &cache_sysfs_ops,
- .default_attrs = cache_default_attrs,
+ .default_groups = cache_default_groups,
};
static struct kobj_type cache_ktype_percpu_entry = {
diff --git a/arch/ia64/kernel/traps.c b/arch/ia64/kernel/traps.c
index e13cb905930f..53735b1d1be3 100644
--- a/arch/ia64/kernel/traps.c
+++ b/arch/ia64/kernel/traps.c
@@ -85,7 +85,7 @@ die (const char *str, struct pt_regs *regs, long err)
if (panic_on_oops)
panic("Fatal exception");
- do_exit(SIGSEGV);
+ make_task_dead(SIGSEGV);
return 0;
}
@@ -309,7 +309,7 @@ handle_fpu_swa (int fp_fault, struct pt_regs *regs, unsigned long isr)
/*
* Lower 4 bits are used as a count. Upper bits are a sequence
* number that is updated when count is reset. The cmpxchg will
- * fail is seqno has changed. This minimizes mutiple cpus
+ * fail is seqno has changed. This minimizes multiple cpus
* resetting the count.
*/
if (current_jiffies > last.time)
diff --git a/arch/ia64/kernel/unaligned.c b/arch/ia64/kernel/unaligned.c
index 6c1a8951dfbb..0acb5a0cd7ab 100644
--- a/arch/ia64/kernel/unaligned.c
+++ b/arch/ia64/kernel/unaligned.c
@@ -749,9 +749,25 @@ emulate_load_updates (update_t type, load_store_t ld, struct pt_regs *regs, unsi
}
}
+static int emulate_store(unsigned long ifa, void *val, int len, bool kernel_mode)
+{
+ if (kernel_mode)
+ return copy_to_kernel_nofault((void *)ifa, val, len);
+
+ return copy_to_user((void __user *)ifa, val, len);
+}
+
+static int emulate_load(void *val, unsigned long ifa, int len, bool kernel_mode)
+{
+ if (kernel_mode)
+ return copy_from_kernel_nofault(val, (void *)ifa, len);
+
+ return copy_from_user(val, (void __user *)ifa, len);
+}
static int
-emulate_load_int (unsigned long ifa, load_store_t ld, struct pt_regs *regs)
+emulate_load_int (unsigned long ifa, load_store_t ld, struct pt_regs *regs,
+ bool kernel_mode)
{
unsigned int len = 1 << ld.x6_sz;
unsigned long val = 0;
@@ -774,7 +790,7 @@ emulate_load_int (unsigned long ifa, load_store_t ld, struct pt_regs *regs)
return -1;
}
/* this assumes little-endian byte-order: */
- if (copy_from_user(&val, (void __user *) ifa, len))
+ if (emulate_load(&val, ifa, len, kernel_mode))
return -1;
setreg(ld.r1, val, 0, regs);
@@ -872,7 +888,8 @@ emulate_load_int (unsigned long ifa, load_store_t ld, struct pt_regs *regs)
}
static int
-emulate_store_int (unsigned long ifa, load_store_t ld, struct pt_regs *regs)
+emulate_store_int (unsigned long ifa, load_store_t ld, struct pt_regs *regs,
+ bool kernel_mode)
{
unsigned long r2;
unsigned int len = 1 << ld.x6_sz;
@@ -901,7 +918,7 @@ emulate_store_int (unsigned long ifa, load_store_t ld, struct pt_regs *regs)
}
/* this assumes little-endian byte-order: */
- if (copy_to_user((void __user *) ifa, &r2, len))
+ if (emulate_store(ifa, &r2, len, kernel_mode))
return -1;
/*
@@ -1021,7 +1038,7 @@ float2mem_double (struct ia64_fpreg *init, struct ia64_fpreg *final)
}
static int
-emulate_load_floatpair (unsigned long ifa, load_store_t ld, struct pt_regs *regs)
+emulate_load_floatpair (unsigned long ifa, load_store_t ld, struct pt_regs *regs, bool kernel_mode)
{
struct ia64_fpreg fpr_init[2];
struct ia64_fpreg fpr_final[2];
@@ -1050,8 +1067,8 @@ emulate_load_floatpair (unsigned long ifa, load_store_t ld, struct pt_regs *regs
* This assumes little-endian byte-order. Note that there is no "ldfpe"
* instruction:
*/
- if (copy_from_user(&fpr_init[0], (void __user *) ifa, len)
- || copy_from_user(&fpr_init[1], (void __user *) (ifa + len), len))
+ if (emulate_load(&fpr_init[0], ifa, len, kernel_mode)
+ || emulate_load(&fpr_init[1], (ifa + len), len, kernel_mode))
return -1;
DPRINT("ld.r1=%d ld.imm=%d x6_sz=%d\n", ld.r1, ld.imm, ld.x6_sz);
@@ -1126,7 +1143,8 @@ emulate_load_floatpair (unsigned long ifa, load_store_t ld, struct pt_regs *regs
static int
-emulate_load_float (unsigned long ifa, load_store_t ld, struct pt_regs *regs)
+emulate_load_float (unsigned long ifa, load_store_t ld, struct pt_regs *regs,
+ bool kernel_mode)
{
struct ia64_fpreg fpr_init;
struct ia64_fpreg fpr_final;
@@ -1152,7 +1170,7 @@ emulate_load_float (unsigned long ifa, load_store_t ld, struct pt_regs *regs)
* See comments in ldX for descriptions on how the various loads are handled.
*/
if (ld.x6_op != 0x2) {
- if (copy_from_user(&fpr_init, (void __user *) ifa, len))
+ if (emulate_load(&fpr_init, ifa, len, kernel_mode))
return -1;
DPRINT("ld.r1=%d x6_sz=%d\n", ld.r1, ld.x6_sz);
@@ -1202,7 +1220,8 @@ emulate_load_float (unsigned long ifa, load_store_t ld, struct pt_regs *regs)
static int
-emulate_store_float (unsigned long ifa, load_store_t ld, struct pt_regs *regs)
+emulate_store_float (unsigned long ifa, load_store_t ld, struct pt_regs *regs,
+ bool kernel_mode)
{
struct ia64_fpreg fpr_init;
struct ia64_fpreg fpr_final;
@@ -1244,7 +1263,7 @@ emulate_store_float (unsigned long ifa, load_store_t ld, struct pt_regs *regs)
DDUMP("fpr_init =", &fpr_init, len);
DDUMP("fpr_final =", &fpr_final, len);
- if (copy_to_user((void __user *) ifa, &fpr_final, len))
+ if (emulate_store(ifa, &fpr_final, len, kernel_mode))
return -1;
/*
@@ -1295,7 +1314,6 @@ void
ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs)
{
struct ia64_psr *ipsr = ia64_psr(regs);
- mm_segment_t old_fs = get_fs();
unsigned long bundle[2];
unsigned long opcode;
const struct exception_table_entry *eh = NULL;
@@ -1304,6 +1322,7 @@ ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs)
load_store_t insn;
} u;
int ret = -1;
+ bool kernel_mode = false;
if (ia64_psr(regs)->be) {
/* we don't support big-endian accesses */
@@ -1367,13 +1386,13 @@ ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs)
if (unaligned_dump_stack)
dump_stack();
}
- set_fs(KERNEL_DS);
+ kernel_mode = true;
}
DPRINT("iip=%lx ifa=%lx isr=%lx (ei=%d, sp=%d)\n",
regs->cr_iip, ifa, regs->cr_ipsr, ipsr->ri, ipsr->it);
- if (__copy_from_user(bundle, (void __user *) regs->cr_iip, 16))
+ if (emulate_load(bundle, regs->cr_iip, 16, kernel_mode))
goto failure;
/*
@@ -1467,7 +1486,7 @@ ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs)
case LDCCLR_IMM_OP:
case LDCNC_IMM_OP:
case LDCCLRACQ_IMM_OP:
- ret = emulate_load_int(ifa, u.insn, regs);
+ ret = emulate_load_int(ifa, u.insn, regs, kernel_mode);
break;
case ST_OP:
@@ -1478,7 +1497,7 @@ ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs)
fallthrough;
case ST_IMM_OP:
case STREL_IMM_OP:
- ret = emulate_store_int(ifa, u.insn, regs);
+ ret = emulate_store_int(ifa, u.insn, regs, kernel_mode);
break;
case LDF_OP:
@@ -1486,21 +1505,21 @@ ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs)
case LDFCCLR_OP:
case LDFCNC_OP:
if (u.insn.x)
- ret = emulate_load_floatpair(ifa, u.insn, regs);
+ ret = emulate_load_floatpair(ifa, u.insn, regs, kernel_mode);
else
- ret = emulate_load_float(ifa, u.insn, regs);
+ ret = emulate_load_float(ifa, u.insn, regs, kernel_mode);
break;
case LDF_IMM_OP:
case LDFA_IMM_OP:
case LDFCCLR_IMM_OP:
case LDFCNC_IMM_OP:
- ret = emulate_load_float(ifa, u.insn, regs);
+ ret = emulate_load_float(ifa, u.insn, regs, kernel_mode);
break;
case STF_OP:
case STF_IMM_OP:
- ret = emulate_store_float(ifa, u.insn, regs);
+ ret = emulate_store_float(ifa, u.insn, regs, kernel_mode);
break;
default:
@@ -1521,7 +1540,6 @@ ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs)
DPRINT("ipsr->ri=%d iip=%lx\n", ipsr->ri, regs->cr_iip);
done:
- set_fs(old_fs); /* restore original address limit */
return;
failure:
diff --git a/arch/ia64/kernel/uncached.c b/arch/ia64/kernel/uncached.c
index 51883a66aeb5..a0fec82c56b8 100644
--- a/arch/ia64/kernel/uncached.c
+++ b/arch/ia64/kernel/uncached.c
@@ -171,7 +171,7 @@ failed:
* @n_pages: number of contiguous pages to allocate
*
* Allocate the specified number of contiguous uncached pages on the
- * the requested node. If not enough contiguous uncached pages are available
+ * requested node. If not enough contiguous uncached pages are available
* on the requested node, roundrobin starting with the next higher node.
*/
unsigned long uncached_alloc_page(int starting_nid, int n_pages)
@@ -261,7 +261,7 @@ static int __init uncached_init(void)
{
int nid;
- for_each_node_state(nid, N_ONLINE) {
+ for_each_online_node(nid) {
uncached_pools[nid].pool = gen_pool_create(PAGE_SHIFT, nid);
mutex_init(&uncached_pools[nid].add_chunk_mutex);
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.