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Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus

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This commit is contained in:
Linus Torvalds 2006-02-21 10:13:22 -08:00
commit 808c783e9b
15 changed files with 131 additions and 74 deletions
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13
arch/mips/configs/ip27_defconfig
View File

@ -1,7 +1,7 @@
#
# Automatically generated make config: don't edit
# Linux kernel version: 2.6.15-rc2
# Thu Nov 24 01:06:21 2005
# Linux kernel version: 2.6.16-rc4
# Tue Feb 21 13:44:31 2006
#
CONFIG_MIPS=y
@ -144,7 +144,6 @@ CONFIG_PREEMPT_BKL=y
# Code maturity level options
#
CONFIG_EXPERIMENTAL=y
CONFIG_CLEAN_COMPILE=y
CONFIG_LOCK_KERNEL=y
CONFIG_INIT_ENV_ARG_LIMIT=32
@ -250,6 +249,7 @@ CONFIG_NET=y
#
# Networking options
#
# CONFIG_NETDEBUG is not set
CONFIG_PACKET=y
CONFIG_PACKET_MMAP=y
CONFIG_UNIX=y
@ -289,6 +289,7 @@ CONFIG_TCP_CONG_BIC=y
# SCTP Configuration (EXPERIMENTAL)
#
# CONFIG_IP_SCTP is not set
# CONFIG_ATM is not set
# CONFIG_BRIDGE is not set
# CONFIG_VLAN_8021Q is not set
@ -448,7 +449,7 @@ CONFIG_SCSI_SAS_ATTRS=m
#
# SCSI low-level drivers
#
CONFIG_ISCSI_TCP=m
# CONFIG_ISCSI_TCP is not set
# CONFIG_BLK_DEV_3W_XXXX_RAID is not set
# CONFIG_SCSI_3W_9XXX is not set
# CONFIG_SCSI_ACARD is not set
@ -773,6 +774,10 @@ CONFIG_USB_ARCH_HAS_OHCI=y
# SN Devices
#
#
# EDAC - error detection and reporting (RAS)
#
#
# File systems
#

5
arch/mips/kernel/binfmt_elfn32.c
View File

@ -103,8 +103,9 @@ jiffies_to_compat_timeval(unsigned long jiffies, struct compat_timeval *value)
* one divide.
*/
u64 nsec = (u64)jiffies * TICK_NSEC;
value->tv_sec = div_long_long_rem(nsec, NSEC_PER_SEC, &value->tv_usec);
value->tv_usec /= NSEC_PER_USEC;
long rem;
value->tv_sec = div_long_long_rem(nsec, NSEC_PER_SEC, &rem);
value->tv_usec = rem / NSEC_PER_USEC;
}
#define ELF_CORE_EFLAGS EF_MIPS_ABI2

5
arch/mips/kernel/binfmt_elfo32.c
View File

@ -105,8 +105,9 @@ jiffies_to_compat_timeval(unsigned long jiffies, struct compat_timeval *value)
* one divide.
*/
u64 nsec = (u64)jiffies * TICK_NSEC;
value->tv_sec = div_long_long_rem(nsec, NSEC_PER_SEC, &value->tv_usec);
value->tv_usec /= NSEC_PER_USEC;
long rem;
value->tv_sec = div_long_long_rem(nsec, NSEC_PER_SEC, &rem);
value->tv_usec = rem / NSEC_PER_USEC;
}
#undef ELF_CORE_COPY_REGS

22
arch/mips/kernel/linux32.c
View File

@ -230,6 +230,9 @@ sysn32_waitid(int which, compat_pid_t pid,
long ret;
mm_segment_t old_fs = get_fs();
if (!access_ok(VERIFY_WRITE, uinfo, sizeof(*uinfo)))
return -EFAULT;
set_fs (KERNEL_DS);
ret = sys_waitid(which, pid, uinfo, options,
uru ? (struct rusage __user *) &ru : NULL);
@ -1450,25 +1453,6 @@ sys32_timer_create(u32 clock, struct sigevent32 __user *se32, timer_t __user *ti
return sys_timer_create(clock, p, timer_id);
}
asmlinkage long
sysn32_rt_sigtimedwait(const sigset_t __user *uthese,
siginfo_t __user *uinfo,
const struct compat_timespec __user *uts32,
size_t sigsetsize)
{
struct timespec __user *uts = NULL;
if (uts32) {
struct timespec ts;
uts = compat_alloc_user_space(sizeof(struct timespec));
if (get_user(ts.tv_sec, &uts32->tv_sec) ||
get_user(ts.tv_nsec, &uts32->tv_nsec) ||
copy_to_user (uts, &ts, sizeof (ts)))
return -EFAULT;
}
return sys_rt_sigtimedwait(uthese, uinfo, uts, sigsetsize);
}
save_static_function(sys32_clone);
__attribute_used__ noinline static int
_sys32_clone(nabi_no_regargs struct pt_regs regs)

4
arch/mips/kernel/scall64-n32.S
View File

@ -245,9 +245,9 @@ EXPORT(sysn32_call_table)
PTR sys_capget
PTR sys_capset
PTR sys32_rt_sigpending /* 6125 */
PTR sysn32_rt_sigtimedwait
PTR compat_sys_rt_sigtimedwait
PTR sys_rt_sigqueueinfo
PTR sys32_rt_sigsuspend
PTR sysn32_rt_sigsuspend
PTR sys32_sigaltstack
PTR compat_sys_utime /* 6130 */
PTR sys_mknod

74
arch/mips/kernel/signal32.c
View File

@ -4,7 +4,7 @@
* for more details.
*
* Copyright (C) 1991, 1992 Linus Torvalds
* Copyright (C) 1994 - 2000 Ralf Baechle
* Copyright (C) 1994 - 2000, 2006 Ralf Baechle
* Copyright (C) 1999, 2000 Silicon Graphics, Inc.
*/
#include <linux/cache.h>
@ -106,8 +106,6 @@ typedef struct compat_siginfo {
#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
extern int do_signal32(sigset_t *oldset, struct pt_regs *regs);
/* 32-bit compatibility types */
#define _NSIG_BPW32 32
@ -198,7 +196,7 @@ __attribute_used__ noinline static int
_sys32_sigsuspend(nabi_no_regargs struct pt_regs regs)
{
compat_sigset_t *uset;
sigset_t newset, saveset;
sigset_t newset;
uset = (compat_sigset_t *) regs.regs[4];
if (get_sigset(&newset, uset))
@ -206,19 +204,15 @@ _sys32_sigsuspend(nabi_no_regargs struct pt_regs regs)
sigdelsetmask(&newset, ~_BLOCKABLE);
spin_lock_irq(&current->sighand->siglock);
saveset = current->blocked;
current->saved_sigmask = current->blocked;
current->blocked = newset;
recalc_sigpending();
spin_unlock_irq(&current->sighand->siglock);
regs.regs[2] = EINTR;
regs.regs[7] = 1;
while (1) {
current->state = TASK_INTERRUPTIBLE;
schedule();
if (do_signal32(&saveset, &regs))
return -EINTR;
}
current->state = TASK_INTERRUPTIBLE;
schedule();
set_thread_flag(TIF_RESTORE_SIGMASK);
return -ERESTARTNOHAND;
}
save_static_function(sys32_rt_sigsuspend);
@ -226,8 +220,8 @@ __attribute_used__ noinline static int
_sys32_rt_sigsuspend(nabi_no_regargs struct pt_regs regs)
{
compat_sigset_t *uset;
sigset_t newset, saveset;
size_t sigsetsize;
sigset_t newset;
size_t sigsetsize;
/* XXX Don't preclude handling different sized sigset_t's. */
sigsetsize = regs.regs[5];
@ -240,19 +234,15 @@ _sys32_rt_sigsuspend(nabi_no_regargs struct pt_regs regs)
sigdelsetmask(&newset, ~_BLOCKABLE);
spin_lock_irq(&current->sighand->siglock);
saveset = current->blocked;
current->saved_sigmask = current->blocked;
current->blocked = newset;
recalc_sigpending();
spin_unlock_irq(&current->sighand->siglock);
regs.regs[2] = EINTR;
regs.regs[7] = 1;
while (1) {
current->state = TASK_INTERRUPTIBLE;
schedule();
if (do_signal32(&saveset, &regs))
return -EINTR;
}
current->state = TASK_INTERRUPTIBLE;
schedule();
set_thread_flag(TIF_RESTORE_SIGMASK);
return -ERESTARTNOHAND;
}
asmlinkage int sys32_sigaction(int sig, const struct sigaction32 *act,
@ -783,7 +773,7 @@ static inline int handle_signal(unsigned long sig, siginfo_t *info,
regs->regs[2] = EINTR;
break;
case ERESTARTSYS:
if(!(ka->sa.sa_flags & SA_RESTART)) {
if (!(ka->sa.sa_flags & SA_RESTART)) {
regs->regs[2] = EINTR;
break;
}
@ -810,9 +800,10 @@ static inline int handle_signal(unsigned long sig, siginfo_t *info,
return ret;
}
int do_signal32(sigset_t *oldset, struct pt_regs *regs)
void do_signal32(struct pt_regs *regs)
{
struct k_sigaction ka;
sigset_t *oldset;
siginfo_t info;
int signr;
@ -822,17 +813,30 @@ int do_signal32(sigset_t *oldset, struct pt_regs *regs)
* if so.
*/
if (!user_mode(regs))
return 1;
return;
if (try_to_freeze())
goto no_signal;
if (!oldset)
if (test_thread_flag(TIF_RESTORE_SIGMASK))
oldset = &current->saved_sigmask;
else
oldset = &current->blocked;
signr = get_signal_to_deliver(&info, &ka, regs, NULL);
if (signr > 0)
return handle_signal(signr, &info, &ka, oldset, regs);
if (signr > 0) {
/* Whee! Actually deliver the signal. */
if (handle_signal(signr, &info, &ka, oldset, regs) == 0) {
/*
* A signal was successfully delivered; the saved
* sigmask will have been stored in the signal frame,
* and will be restored by sigreturn, so we can simply
* clear the TIF_RESTORE_SIGMASK flag.
*/
if (test_thread_flag(TIF_RESTORE_SIGMASK))
clear_thread_flag(TIF_RESTORE_SIGMASK);
}
}
no_signal:
/*
@ -853,7 +857,15 @@ no_signal:
regs->cp0_epc -= 4;
}
}
return 0;
/*
* If there's no signal to deliver, we just put the saved sigmask
* back
*/
if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
clear_thread_flag(TIF_RESTORE_SIGMASK);
sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
}
}
asmlinkage int sys32_rt_sigaction(int sig, const struct sigaction32 *act,

33
arch/mips/kernel/signal_n32.c
View File

@ -81,6 +81,39 @@ struct rt_sigframe_n32 {
#endif
};
extern void sigset_from_compat (sigset_t *set, compat_sigset_t *compat);
save_static_function(sysn32_rt_sigsuspend);
__attribute_used__ noinline static int
_sysn32_rt_sigsuspend(nabi_no_regargs struct pt_regs regs)
{
compat_sigset_t __user *unewset, uset;
size_t sigsetsize;
sigset_t newset;
/* XXX Don't preclude handling different sized sigset_t's. */
sigsetsize = regs.regs[5];
if (sigsetsize != sizeof(sigset_t))
return -EINVAL;
unewset = (compat_sigset_t __user *) regs.regs[4];
if (copy_from_user(&uset, unewset, sizeof(uset)))
return -EFAULT;
sigset_from_compat (&newset, &uset);
sigdelsetmask(&newset, ~_BLOCKABLE);
spin_lock_irq(&current->sighand->siglock);
current->saved_sigmask = current->blocked;
current->blocked = newset;
recalc_sigpending();
spin_unlock_irq(&current->sighand->siglock);
current->state = TASK_INTERRUPTIBLE;
schedule();
set_thread_flag(TIF_RESTORE_SIGMASK);
return -ERESTARTNOHAND;
}
save_static_function(sysn32_rt_sigreturn);
__attribute_used__ noinline static void
_sysn32_rt_sigreturn(nabi_no_regargs struct pt_regs regs)

20
arch/mips/kernel/smp.c
View File

@ -29,6 +29,7 @@
#include <linux/timex.h>
#include <linux/sched.h>
#include <linux/cpumask.h>
#include <linux/cpu.h>
#include <asm/atomic.h>
#include <asm/cpu.h>
@ -424,6 +425,25 @@ void flush_tlb_one(unsigned long vaddr)
local_flush_tlb_one(vaddr);
}
static DEFINE_PER_CPU(struct cpu, cpu_devices);
static int __init topology_init(void)
{
int cpu;
int ret;
for_each_cpu(cpu) {
ret = register_cpu(&per_cpu(cpu_devices, cpu), cpu, NULL);
if (ret)
printk(KERN_WARNING "topology_init: register_cpu %d "
"failed (%d)\n", cpu, ret);
}
return 0;
}
subsys_initcall(topology_init);
EXPORT_SYMBOL(flush_tlb_page);
EXPORT_SYMBOL(flush_tlb_one);
EXPORT_SYMBOL(cpu_data);

4
arch/mips/kernel/traps.c
View File

@ -3,7 +3,7 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 1994 - 1999, 2000, 01 Ralf Baechle
* Copyright (C) 1994 - 1999, 2000, 01, 06 Ralf Baechle
* Copyright (C) 1995, 1996 Paul M. Antoine
* Copyright (C) 1998 Ulf Carlsson
* Copyright (C) 1999 Silicon Graphics, Inc.
@ -548,6 +548,8 @@ asmlinkage void do_ov(struct pt_regs *regs)
{
siginfo_t info;
die_if_kernel("Integer overflow", regs);
info.si_code = FPE_INTOVF;
info.si_signo = SIGFPE;
info.si_errno = 0;

2
arch/mips/mm/cex-sb1.S
View File

@ -64,7 +64,7 @@ LEAF(except_vec2_sb1)
sd k0,0x170($0)
sd k1,0x178($0)
#if CONFIG_SB1_CEX_ALWAYS_FATAL
#ifdef CONFIG_SB1_CEX_ALWAYS_FATAL
j handle_vec2_sb1
nop
#else

2
arch/mips/pmc-sierra/yosemite/smp.c
View File

@ -94,7 +94,7 @@ void __init prom_prepare_cpus(unsigned int max_cpus)
void prom_boot_secondary(int cpu, struct task_struct *idle)
{
unsigned long gp = (unsigned long) task_thread_info(idle);
unsigned long sp = __KSTK_TOP(idle);
unsigned long sp = __KSTK_TOS(idle);
secondary_sp = sp;
secondary_gp = gp;

4
arch/mips/sibyte/Kconfig
View File

@ -102,11 +102,11 @@ config SIMULATION
Build a kernel suitable for running under the GDB simulator.
Primarily adjusts the kernel's notion of time.
config CONFIG_SB1_CEX_ALWAYS_FATAL
config SB1_CEX_ALWAYS_FATAL
bool "All cache exceptions considered fatal (no recovery attempted)"
depends on SIBYTE_SB1xxx_SOC
config CONFIG_SB1_CERR_STALL
config SB1_CERR_STALL
bool "Stall (rather than panic) on fatal cache error"
depends on SIBYTE_SB1xxx_SOC

5
arch/mips/sibyte/bcm1480/irq.c
View File

@ -139,7 +139,7 @@ void bcm1480_unmask_irq(int cpu, int irq)
#ifdef CONFIG_SMP
static void bcm1480_set_affinity(unsigned int irq, cpumask_t mask)
{
int i = 0, old_cpu, cpu, int_on;
int i = 0, old_cpu, cpu, int_on, k;
u64 cur_ints;
irq_desc_t *desc = irq_desc + irq;
unsigned long flags;
@ -165,7 +165,6 @@ static void bcm1480_set_affinity(unsigned int irq, cpumask_t mask)
irq_dirty -= BCM1480_NR_IRQS_HALF;
}
int k;
for (k=0; k<2; k++) { /* Loop through high and low interrupt mask register */
cur_ints = ____raw_readq(IOADDR(A_BCM1480_IMR_MAPPER(old_cpu) + R_BCM1480_IMR_INTERRUPT_MASK_H + (k*BCM1480_IMR_HL_SPACING)));
int_on = !(cur_ints & (((u64) 1) << irq_dirty));
@ -216,6 +215,7 @@ static void ack_bcm1480_irq(unsigned int irq)
{
u64 pending;
unsigned int irq_dirty;
int k;
/*
* If the interrupt was an HT interrupt, now is the time to
@ -227,7 +227,6 @@ static void ack_bcm1480_irq(unsigned int irq)
if ((irq_dirty >= BCM1480_NR_IRQS_HALF) && (irq_dirty <= BCM1480_NR_IRQS)) {
irq_dirty -= BCM1480_NR_IRQS_HALF;
}
int k;
for (k=0; k<2; k++) { /* Loop through high and low LDT interrupts */
pending = __raw_readq(IOADDR(A_BCM1480_IMR_REGISTER(bcm1480_irq_owner[irq],
R_BCM1480_IMR_LDT_INTERRUPT_H + (k*BCM1480_IMR_HL_SPACING))));

6
include/asm-mips/uaccess.h
View File

@ -233,7 +233,7 @@ do { \
#define __get_user_check(x,ptr,size) \
({ \
long __gu_err = -EFAULT; \
const void __user * __gu_ptr = (ptr); \
const __typeof__(*(ptr)) __user * __gu_ptr = (ptr); \
\
if (likely(access_ok(VERIFY_READ, __gu_ptr, size))) \
__get_user_common((x), size, __gu_ptr); \
@ -258,7 +258,7 @@ do { \
: "=r" (__gu_err), "=r" (__gu_tmp) \
: "0" (0), "o" (__m(addr)), "i" (-EFAULT)); \
\
(val) = (__typeof__(val)) __gu_tmp; \
(val) = (__typeof__(*(addr))) __gu_tmp; \
}
/*
@ -284,7 +284,7 @@ do { \
" .previous \n" \
: "=r" (__gu_err), "=&r" (__gu_tmp) \
: "0" (0), "r" (addr), "i" (-EFAULT)); \
(val) = __gu_tmp; \
(val) = (__typeof__(*(addr))) __gu_tmp; \
}
/*

6
include/asm-mips/unistd.h
View File

@ -313,7 +313,7 @@
#define __NR_mknodat (__NR_Linux + 290)
#define __NR_fchownat (__NR_Linux + 291)
#define __NR_futimesat (__NR_Linux + 292)
#define __NR_newfstatat (__NR_Linux + 293)
#define __NR_fstatat (__NR_Linux + 293)
#define __NR_unlinkat (__NR_Linux + 294)
#define __NR_renameat (__NR_Linux + 295)
#define __NR_linkat (__NR_Linux + 296)
@ -593,7 +593,7 @@
#define __NR_mknodat (__NR_Linux + 249)
#define __NR_fchownat (__NR_Linux + 250)
#define __NR_futimesat (__NR_Linux + 251)
#define __NR_newfstatat (__NR_Linux + 252)
#define __NR_fstatat (__NR_Linux + 252)
#define __NR_unlinkat (__NR_Linux + 253)
#define __NR_renameat (__NR_Linux + 254)
#define __NR_linkat (__NR_Linux + 255)
@ -877,7 +877,7 @@
#define __NR_mknodat (__NR_Linux + 253)
#define __NR_fchownat (__NR_Linux + 254)
#define __NR_futimesat (__NR_Linux + 255)
#define __NR_newfstatat (__NR_Linux + 256)
#define __NR_fstatat (__NR_Linux + 256)
#define __NR_unlinkat (__NR_Linux + 257)
#define __NR_renameat (__NR_Linux + 258)
#define __NR_linkat (__NR_Linux + 259)