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-rw-r--r--arch/alpha/kernel/alpha_ksyms.c9
-rw-r--r--arch/alpha/kernel/entry.S3
-rw-r--r--arch/alpha/kernel/head.S2
-rw-r--r--arch/alpha/kernel/module.c8
-rw-r--r--arch/alpha/kernel/osf_sys.c12
-rw-r--r--arch/alpha/kernel/process.c4
-rw-r--r--arch/alpha/kernel/smp.c172
-rw-r--r--arch/alpha/kernel/sys_dp264.c41
-rw-r--r--arch/alpha/kernel/sys_marvel.c5
-rw-r--r--arch/alpha/kernel/time.c7
-rw-r--r--arch/alpha/kernel/traps.c15
11 files changed, 54 insertions, 224 deletions
diff --git a/arch/alpha/kernel/alpha_ksyms.c b/arch/alpha/kernel/alpha_ksyms.c
index fc5ef90c4fc..24ae9a36607 100644
--- a/arch/alpha/kernel/alpha_ksyms.c
+++ b/arch/alpha/kernel/alpha_ksyms.c
@@ -185,15 +185,6 @@ EXPORT_SYMBOL(smp_num_cpus);
EXPORT_SYMBOL(smp_call_function);
EXPORT_SYMBOL(smp_call_function_on_cpu);
EXPORT_SYMBOL(_atomic_dec_and_lock);
-#ifdef CONFIG_DEBUG_SPINLOCK
-EXPORT_SYMBOL(_raw_spin_unlock);
-EXPORT_SYMBOL(debug_spin_lock);
-EXPORT_SYMBOL(debug_spin_trylock);
-#endif
-#ifdef CONFIG_DEBUG_RWLOCK
-EXPORT_SYMBOL(_raw_write_lock);
-EXPORT_SYMBOL(_raw_read_lock);
-#endif
EXPORT_SYMBOL(cpu_present_mask);
#endif /* CONFIG_SMP */
diff --git a/arch/alpha/kernel/entry.S b/arch/alpha/kernel/entry.S
index f0927ee53f2..e38671c922b 100644
--- a/arch/alpha/kernel/entry.S
+++ b/arch/alpha/kernel/entry.S
@@ -5,7 +5,7 @@
*/
#include <linux/config.h>
-#include <asm/asm_offsets.h>
+#include <asm/asm-offsets.h>
#include <asm/thread_info.h>
#include <asm/pal.h>
#include <asm/errno.h>
@@ -196,6 +196,7 @@ entUna:
stq $26, 208($sp)
stq $27, 216($sp)
stq $28, 224($sp)
+ mov $sp, $19
stq $gp, 232($sp)
lda $8, 0x3fff
stq $31, 248($sp)
diff --git a/arch/alpha/kernel/head.S b/arch/alpha/kernel/head.S
index 4ca2e404708..0905721fcbc 100644
--- a/arch/alpha/kernel/head.S
+++ b/arch/alpha/kernel/head.S
@@ -9,7 +9,7 @@
#include <linux/config.h>
#include <asm/system.h>
-#include <asm/asm_offsets.h>
+#include <asm/asm-offsets.h>
.globl swapper_pg_dir
.globl _stext
diff --git a/arch/alpha/kernel/module.c b/arch/alpha/kernel/module.c
index fc271e316a3..aac6d4b22f7 100644
--- a/arch/alpha/kernel/module.c
+++ b/arch/alpha/kernel/module.c
@@ -47,7 +47,7 @@ module_free(struct module *mod, void *module_region)
struct got_entry {
struct got_entry *next;
- Elf64_Addr r_offset;
+ Elf64_Sxword r_addend;
int got_offset;
};
@@ -57,14 +57,14 @@ process_reloc_for_got(Elf64_Rela *rela,
{
unsigned long r_sym = ELF64_R_SYM (rela->r_info);
unsigned long r_type = ELF64_R_TYPE (rela->r_info);
- Elf64_Addr r_offset = rela->r_offset;
+ Elf64_Sxword r_addend = rela->r_addend;
struct got_entry *g;
if (r_type != R_ALPHA_LITERAL)
return;
for (g = chains + r_sym; g ; g = g->next)
- if (g->r_offset == r_offset) {
+ if (g->r_addend == r_addend) {
if (g->got_offset == 0) {
g->got_offset = *poffset;
*poffset += 8;
@@ -74,7 +74,7 @@ process_reloc_for_got(Elf64_Rela *rela,
g = kmalloc (sizeof (*g), GFP_KERNEL);
g->next = chains[r_sym].next;
- g->r_offset = r_offset;
+ g->r_addend = r_addend;
g->got_offset = *poffset;
*poffset += 8;
chains[r_sym].next = g;
diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c
index 167fd89f870..01fe990d3e5 100644
--- a/arch/alpha/kernel/osf_sys.c
+++ b/arch/alpha/kernel/osf_sys.c
@@ -37,6 +37,7 @@
#include <linux/namei.h>
#include <linux/uio.h>
#include <linux/vfs.h>
+#include <linux/rcupdate.h>
#include <asm/fpu.h>
#include <asm/io.h>
@@ -974,6 +975,8 @@ osf_select(int n, fd_set __user *inp, fd_set __user *outp, fd_set __user *exp,
size_t size;
long timeout;
int ret = -EINVAL;
+ struct fdtable *fdt;
+ int max_fdset;
timeout = MAX_SCHEDULE_TIMEOUT;
if (tvp) {
@@ -995,7 +998,11 @@ osf_select(int n, fd_set __user *inp, fd_set __user *outp, fd_set __user *exp,
}
}
- if (n < 0 || n > current->files->max_fdset)
+ rcu_read_lock();
+ fdt = files_fdtable(current->files);
+ max_fdset = fdt->max_fdset;
+ rcu_read_unlock();
+ if (n < 0 || n > max_fdset)
goto out_nofds;
/*
@@ -1152,8 +1159,7 @@ osf_usleep_thread(struct timeval32 __user *sleep, struct timeval32 __user *remai
ticks = timeval_to_jiffies(&tmp);
- current->state = TASK_INTERRUPTIBLE;
- ticks = schedule_timeout(ticks);
+ ticks = schedule_timeout_interruptible(ticks);
if (remain) {
jiffies_to_timeval(ticks, &tmp);
diff --git a/arch/alpha/kernel/process.c b/arch/alpha/kernel/process.c
index fa98dae3cd9..eb20c3afff5 100644
--- a/arch/alpha/kernel/process.c
+++ b/arch/alpha/kernel/process.c
@@ -127,6 +127,10 @@ common_shutdown_1(void *generic_ptr)
/* If booted from SRM, reset some of the original environment. */
if (alpha_using_srm) {
#ifdef CONFIG_DUMMY_CONSOLE
+ /* If we've gotten here after SysRq-b, leave interrupt
+ context before taking over the console. */
+ if (in_interrupt())
+ irq_exit();
/* This has the effect of resetting the VGA video origin. */
take_over_console(&dummy_con, 0, MAX_NR_CONSOLES-1, 1);
#endif
diff --git a/arch/alpha/kernel/smp.c b/arch/alpha/kernel/smp.c
index e211aa7404e..da0be346579 100644
--- a/arch/alpha/kernel/smp.c
+++ b/arch/alpha/kernel/smp.c
@@ -989,175 +989,3 @@ flush_icache_user_range(struct vm_area_struct *vma, struct page *page,
preempt_enable();
}
-
-#ifdef CONFIG_DEBUG_SPINLOCK
-void
-_raw_spin_unlock(spinlock_t * lock)
-{
- mb();
- lock->lock = 0;
-
- lock->on_cpu = -1;
- lock->previous = NULL;
- lock->task = NULL;
- lock->base_file = "none";
- lock->line_no = 0;
-}
-
-void
-debug_spin_lock(spinlock_t * lock, const char *base_file, int line_no)
-{
- long tmp;
- long stuck;
- void *inline_pc = __builtin_return_address(0);
- unsigned long started = jiffies;
- int printed = 0;
- int cpu = smp_processor_id();
-
- stuck = 1L << 30;
- try_again:
-
- /* Use sub-sections to put the actual loop at the end
- of this object file's text section so as to perfect
- branch prediction. */
- __asm__ __volatile__(
- "1: ldl_l %0,%1\n"
- " subq %2,1,%2\n"
- " blbs %0,2f\n"
- " or %0,1,%0\n"
- " stl_c %0,%1\n"
- " beq %0,3f\n"
- "4: mb\n"
- ".subsection 2\n"
- "2: ldl %0,%1\n"
- " subq %2,1,%2\n"
- "3: blt %2,4b\n"
- " blbs %0,2b\n"
- " br 1b\n"
- ".previous"
- : "=r" (tmp), "=m" (lock->lock), "=r" (stuck)
- : "m" (lock->lock), "2" (stuck) : "memory");
-
- if (stuck < 0) {
- printk(KERN_WARNING
- "%s:%d spinlock stuck in %s at %p(%d)"
- " owner %s at %p(%d) %s:%d\n",
- base_file, line_no,
- current->comm, inline_pc, cpu,
- lock->task->comm, lock->previous,
- lock->on_cpu, lock->base_file, lock->line_no);
- stuck = 1L << 36;
- printed = 1;
- goto try_again;
- }
-
- /* Exiting. Got the lock. */
- lock->on_cpu = cpu;
- lock->previous = inline_pc;
- lock->task = current;
- lock->base_file = base_file;
- lock->line_no = line_no;
-
- if (printed) {
- printk(KERN_WARNING
- "%s:%d spinlock grabbed in %s at %p(%d) %ld ticks\n",
- base_file, line_no, current->comm, inline_pc,
- cpu, jiffies - started);
- }
-}
-
-int
-debug_spin_trylock(spinlock_t * lock, const char *base_file, int line_no)
-{
- int ret;
- if ((ret = !test_and_set_bit(0, lock))) {
- lock->on_cpu = smp_processor_id();
- lock->previous = __builtin_return_address(0);
- lock->task = current;
- } else {
- lock->base_file = base_file;
- lock->line_no = line_no;
- }
- return ret;
-}
-#endif /* CONFIG_DEBUG_SPINLOCK */
-
-#ifdef CONFIG_DEBUG_RWLOCK
-void _raw_write_lock(rwlock_t * lock)
-{
- long regx, regy;
- int stuck_lock, stuck_reader;
- void *inline_pc = __builtin_return_address(0);
-
- try_again:
-
- stuck_lock = 1<<30;
- stuck_reader = 1<<30;
-
- __asm__ __volatile__(
- "1: ldl_l %1,%0\n"
- " blbs %1,6f\n"
- " blt %1,8f\n"
- " mov 1,%1\n"
- " stl_c %1,%0\n"
- " beq %1,6f\n"
- "4: mb\n"
- ".subsection 2\n"
- "6: blt %3,4b # debug\n"
- " subl %3,1,%3 # debug\n"
- " ldl %1,%0\n"
- " blbs %1,6b\n"
- "8: blt %4,4b # debug\n"
- " subl %4,1,%4 # debug\n"
- " ldl %1,%0\n"
- " blt %1,8b\n"
- " br 1b\n"
- ".previous"
- : "=m" (*(volatile int *)lock), "=&r" (regx), "=&r" (regy),
- "=&r" (stuck_lock), "=&r" (stuck_reader)
- : "m" (*(volatile int *)lock), "3" (stuck_lock), "4" (stuck_reader) : "memory");
-
- if (stuck_lock < 0) {
- printk(KERN_WARNING "write_lock stuck at %p\n", inline_pc);
- goto try_again;
- }
- if (stuck_reader < 0) {
- printk(KERN_WARNING "write_lock stuck on readers at %p\n",
- inline_pc);
- goto try_again;
- }
-}
-
-void _raw_read_lock(rwlock_t * lock)
-{
- long regx;
- int stuck_lock;
- void *inline_pc = __builtin_return_address(0);
-
- try_again:
-
- stuck_lock = 1<<30;
-
- __asm__ __volatile__(
- "1: ldl_l %1,%0;"
- " blbs %1,6f;"
- " subl %1,2,%1;"
- " stl_c %1,%0;"
- " beq %1,6f;"
- "4: mb\n"
- ".subsection 2\n"
- "6: ldl %1,%0;"
- " blt %2,4b # debug\n"
- " subl %2,1,%2 # debug\n"
- " blbs %1,6b;"
- " br 1b\n"
- ".previous"
- : "=m" (*(volatile int *)lock), "=&r" (regx), "=&r" (stuck_lock)
- : "m" (*(volatile int *)lock), "2" (stuck_lock) : "memory");
-
- if (stuck_lock < 0) {
- printk(KERN_WARNING "read_lock stuck at %p\n", inline_pc);
- goto try_again;
- }
-}
-#endif /* CONFIG_DEBUG_RWLOCK */
diff --git a/arch/alpha/kernel/sys_dp264.c b/arch/alpha/kernel/sys_dp264.c
index 9e36b07fa94..d5da6b1b28e 100644
--- a/arch/alpha/kernel/sys_dp264.c
+++ b/arch/alpha/kernel/sys_dp264.c
@@ -395,6 +395,22 @@ clipper_init_irq(void)
*/
static int __init
+isa_irq_fixup(struct pci_dev *dev, int irq)
+{
+ u8 irq8;
+
+ if (irq > 0)
+ return irq;
+
+ /* This interrupt is routed via ISA bridge, so we'll
+ just have to trust whatever value the console might
+ have assigned. */
+ pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &irq8);
+
+ return irq8 & 0xf;
+}
+
+static int __init
dp264_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
{
static char irq_tab[6][5] __initdata = {
@@ -407,25 +423,13 @@ dp264_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
{ 16+ 3, 16+ 3, 16+ 2, 16+ 1, 16+ 0} /* IdSel 10 slot 3 */
};
const long min_idsel = 5, max_idsel = 10, irqs_per_slot = 5;
-
struct pci_controller *hose = dev->sysdata;
int irq = COMMON_TABLE_LOOKUP;
- if (irq > 0) {
+ if (irq > 0)
irq += 16 * hose->index;
- } else {
- /* ??? The Contaq IDE controller on the ISA bridge uses
- "legacy" interrupts 14 and 15. I don't know if anything
- can wind up at the same slot+pin on hose1, so we'll
- just have to trust whatever value the console might
- have assigned. */
-
- u8 irq8;
- pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &irq8);
- irq = irq8;
- }
- return irq;
+ return isa_irq_fixup(dev, irq);
}
static int __init
@@ -453,7 +457,8 @@ monet_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
{ 24, 24, 25, 26, 27} /* IdSel 15 slot 5 PCI2*/
};
const long min_idsel = 3, max_idsel = 15, irqs_per_slot = 5;
- return COMMON_TABLE_LOOKUP;
+
+ return isa_irq_fixup(dev, COMMON_TABLE_LOOKUP);
}
static u8 __init
@@ -507,7 +512,8 @@ webbrick_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
{ 47, 47, 46, 45, 44}, /* IdSel 17 slot 3 */
};
const long min_idsel = 7, max_idsel = 17, irqs_per_slot = 5;
- return COMMON_TABLE_LOOKUP;
+
+ return isa_irq_fixup(dev, COMMON_TABLE_LOOKUP);
}
static int __init
@@ -524,14 +530,13 @@ clipper_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
{ -1, -1, -1, -1, -1} /* IdSel 7 ISA Bridge */
};
const long min_idsel = 1, max_idsel = 7, irqs_per_slot = 5;
-
struct pci_controller *hose = dev->sysdata;
int irq = COMMON_TABLE_LOOKUP;
if (irq > 0)
irq += 16 * hose->index;
- return irq;
+ return isa_irq_fixup(dev, irq);
}
static void __init
diff --git a/arch/alpha/kernel/sys_marvel.c b/arch/alpha/kernel/sys_marvel.c
index 804727853d2..e32fee50522 100644
--- a/arch/alpha/kernel/sys_marvel.c
+++ b/arch/alpha/kernel/sys_marvel.c
@@ -373,12 +373,11 @@ marvel_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
irq += 0x80; /* offset for lsi */
#if 1
- printk("PCI:%d:%d:%d (hose %d) [%s] is using MSI\n",
+ printk("PCI:%d:%d:%d (hose %d) is using MSI\n",
dev->bus->number,
PCI_SLOT(dev->devfn),
PCI_FUNC(dev->devfn),
- hose->index,
- pci_pretty_name (dev));
+ hose->index);
printk(" %d message(s) from 0x%04x\n",
1 << ((msg_ctl & PCI_MSI_FLAGS_QSIZE) >> 4),
msg_dat);
diff --git a/arch/alpha/kernel/time.c b/arch/alpha/kernel/time.c
index 8226c5cd788..67be50b7d80 100644
--- a/arch/alpha/kernel/time.c
+++ b/arch/alpha/kernel/time.c
@@ -149,7 +149,7 @@ irqreturn_t timer_interrupt(int irq, void *dev, struct pt_regs * regs)
* CMOS clock accordingly every ~11 minutes. Set_rtc_mmss() has to be
* called as close as possible to 500 ms before the new second starts.
*/
- if ((time_status & STA_UNSYNC) == 0
+ if (ntp_synced()
&& xtime.tv_sec > state.last_rtc_update + 660
&& xtime.tv_nsec >= 500000 - ((unsigned) TICK_SIZE) / 2
&& xtime.tv_nsec <= 500000 + ((unsigned) TICK_SIZE) / 2) {
@@ -502,10 +502,7 @@ do_settimeofday(struct timespec *tv)
set_normalized_timespec(&xtime, sec, nsec);
set_normalized_timespec(&wall_to_monotonic, wtm_sec, wtm_nsec);
- time_adjust = 0; /* stop active adjtime() */
- time_status |= STA_UNSYNC;
- time_maxerror = NTP_PHASE_LIMIT;
- time_esterror = NTP_PHASE_LIMIT;
+ ntp_clear();
write_sequnlock_irq(&xtime_lock);
clock_was_set();
diff --git a/arch/alpha/kernel/traps.c b/arch/alpha/kernel/traps.c
index 6f509a644bd..f9d12319e0f 100644
--- a/arch/alpha/kernel/traps.c
+++ b/arch/alpha/kernel/traps.c
@@ -446,16 +446,15 @@ struct unaligned_stat {
/* Macro for exception fixup code to access integer registers. */
-#define una_reg(r) (regs.regs[(r) >= 16 && (r) <= 18 ? (r)+19 : (r)])
+#define una_reg(r) (regs->regs[(r) >= 16 && (r) <= 18 ? (r)+19 : (r)])
asmlinkage void
do_entUna(void * va, unsigned long opcode, unsigned long reg,
- unsigned long a3, unsigned long a4, unsigned long a5,
- struct allregs regs)
+ struct allregs *regs)
{
long error, tmp1, tmp2, tmp3, tmp4;
- unsigned long pc = regs.pc - 4;
+ unsigned long pc = regs->pc - 4;
const struct exception_table_entry *fixup;
unaligned[0].count++;
@@ -636,7 +635,7 @@ got_exception:
printk("Forwarding unaligned exception at %lx (%lx)\n",
pc, newpc);
- (&regs)->pc = newpc;
+ regs->pc = newpc;
return;
}
@@ -650,7 +649,7 @@ got_exception:
current->comm, current->pid);
printk("pc = [<%016lx>] ra = [<%016lx>] ps = %04lx\n",
- pc, una_reg(26), regs.ps);
+ pc, una_reg(26), regs->ps);
printk("r0 = %016lx r1 = %016lx r2 = %016lx\n",
una_reg(0), una_reg(1), una_reg(2));
printk("r3 = %016lx r4 = %016lx r5 = %016lx\n",
@@ -670,10 +669,10 @@ got_exception:
una_reg(22), una_reg(23), una_reg(24));
printk("r25= %016lx r27= %016lx r28= %016lx\n",
una_reg(25), una_reg(27), una_reg(28));
- printk("gp = %016lx sp = %p\n", regs.gp, &regs+1);
+ printk("gp = %016lx sp = %p\n", regs->gp, regs+1);
dik_show_code((unsigned int *)pc);
- dik_show_trace((unsigned long *)(&regs+1));
+ dik_show_trace((unsigned long *)(regs+1));
if (test_and_set_thread_flag (TIF_DIE_IF_KERNEL)) {
printk("die_if_kernel recursion detected.\n");
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-08 01:48:31 +0000