Commit 13e65280 authored by David Woodhouse's avatar David Woodhouse

Merge with master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6.git

VERSION = 2
PATCHLEVEL = 6
SUBLEVEL = 12
EXTRAVERSION =-rc3
EXTRAVERSION =-rc4
NAME=Woozy Numbat
# *DOCUMENTATION*
......
......@@ -650,7 +650,7 @@ acpi_find_rsdp (void)
*/
rsdp_phys = acpi_scan_rsdp (0, 0x400);
if (!rsdp_phys)
rsdp_phys = acpi_scan_rsdp (0xE0000, 0xFFFFF);
rsdp_phys = acpi_scan_rsdp (0xE0000, 0x20000);
return rsdp_phys;
}
......
......@@ -77,9 +77,11 @@ config 44x
bool "44x"
config POWER3
select PPC_FPU
bool "POWER3"
config POWER4
select PPC_FPU
bool "POWER4 and 970 (G5)"
config 8xx
......
......@@ -262,6 +262,7 @@ config PPC_RTAS
config RTAS_PROC
bool "Proc interface to RTAS"
depends on PPC_RTAS
default y
config RTAS_FLASH
tristate "Firmware flash interface"
......
......@@ -326,13 +326,6 @@ static void __devinit smp_xics_setup_cpu(int cpu)
cpu_clear(cpu, of_spin_map);
/*
* Put the calling processor into the GIQ. This is really only
* necessary from a secondary thread as the OF start-cpu interface
* performs this function for us on primary threads.
*/
rtas_set_indicator(GLOBAL_INTERRUPT_QUEUE,
(1UL << interrupt_server_size) - 1 - default_distrib_server, 1);
}
static DEFINE_SPINLOCK(timebase_lock);
......
......@@ -432,6 +432,7 @@ void xics_cause_IPI(int cpu)
{
ops->qirr_info(cpu, IPI_PRIORITY);
}
#endif /* CONFIG_SMP */
void xics_setup_cpu(void)
{
......@@ -439,9 +440,17 @@ void xics_setup_cpu(void)
ops->cppr_info(cpu, 0xff);
iosync();
}
#endif /* CONFIG_SMP */
/*
* Put the calling processor into the GIQ. This is really only
* necessary from a secondary thread as the OF start-cpu interface
* performs this function for us on primary threads.
*
* XXX: undo of teardown on kexec needs this too, as may hotplug
*/
rtas_set_indicator(GLOBAL_INTERRUPT_QUEUE,
(1UL << interrupt_server_size) - 1 - default_distrib_server, 1);
}
void xics_init_IRQ(void)
{
......@@ -563,8 +572,7 @@ void xics_init_IRQ(void)
for (; i < NR_IRQS; ++i)
get_irq_desc(i)->handler = &xics_pic;
ops->cppr_info(boot_cpuid, 0xff);
iosync();
xics_setup_cpu();
ppc64_boot_msg(0x21, "XICS Done");
}
......
......@@ -67,7 +67,6 @@ extern void *um_kmalloc(int size);
extern int switcheroo(int fd, int prot, void *from, void *to, int size);
extern void setup_machinename(char *machine_out);
extern void setup_hostinfo(void);
extern void add_arg(char *arg);
extern void init_new_thread_stack(void *sig_stack, void (*usr1_handler)(int));
extern void init_new_thread_signals(int altstack);
extern void do_exec(int old_pid, int new_pid);
......
......@@ -23,14 +23,10 @@ obj-$(CONFIG_SYSCALL_DEBUG) += syscall_user.o
obj-$(CONFIG_MODE_TT) += tt/
obj-$(CONFIG_MODE_SKAS) += skas/
# This needs be compiled with frame pointers regardless of how the rest of the
# kernel is built.
CFLAGS_frame.o := -fno-omit-frame-pointer
user-objs-$(CONFIG_TTY_LOG) += tty_log.o
USER_OBJS := $(user-objs-y) config.o helper.o main.o process.o tempfile.o \
time.o tty_log.o umid.o user_util.o frame.o
time.o tty_log.o umid.o user_util.o
include arch/um/scripts/Makefile.rules
......
......@@ -115,16 +115,6 @@ int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags)
return(pid);
}
void switch_mm(struct mm_struct *prev, struct mm_struct *next,
struct task_struct *tsk)
{
int cpu = smp_processor_id();
if (prev != next)
cpu_clear(cpu, prev->cpu_vm_mask);
cpu_set(cpu, next->cpu_vm_mask);
}
void set_current(void *t)
{
struct task_struct *task = t;
......@@ -152,7 +142,6 @@ void release_thread(struct task_struct *task)
void exit_thread(void)
{
CHOOSE_MODE(exit_thread_tt(), exit_thread_skas());
unprotect_stack((unsigned long) current_thread);
}
......@@ -476,12 +465,21 @@ int singlestepping(void * t)
return 2;
}
/*
* Only x86 and x86_64 have an arch_align_stack().
* All other arches have "#define arch_align_stack(x) (x)"
* in their asm/system.h
* As this is included in UML from asm-um/system-generic.h,
* we can use it to behave as the subarch does.
*/
#ifndef arch_align_stack
unsigned long arch_align_stack(unsigned long sp)
{
if (randomize_va_space)
sp -= get_random_int() % 8192;
return sp & ~0xf;
}
#endif
/*
......
......@@ -19,15 +19,30 @@
#include "skas_ptrace.h"
#include "sysdep/ptrace.h"
static inline void set_singlestepping(struct task_struct *child, int on)
{
if (on)
child->ptrace |= PT_DTRACE;
else
child->ptrace &= ~PT_DTRACE;
child->thread.singlestep_syscall = 0;
#ifdef SUBARCH_SET_SINGLESTEPPING
SUBARCH_SET_SINGLESTEPPING(child, on)
#endif
}
/*
* Called by kernel/ptrace.c when detaching..
*/
void ptrace_disable(struct task_struct *child)
{
child->ptrace &= ~PT_DTRACE;
child->thread.singlestep_syscall = 0;
set_singlestepping(child,0);
}
extern int peek_user(struct task_struct * child, long addr, long data);
extern int poke_user(struct task_struct * child, long addr, long data);
long sys_ptrace(long request, long pid, long addr, long data)
{
struct task_struct *child;
......@@ -67,6 +82,10 @@ long sys_ptrace(long request, long pid, long addr, long data)
goto out_tsk;
}
#ifdef SUBACH_PTRACE_SPECIAL
SUBARCH_PTRACE_SPECIAL(child,request,addr,data)
#endif
ret = ptrace_check_attach(child, request == PTRACE_KILL);
if (ret < 0)
goto out_tsk;
......@@ -87,28 +106,9 @@ long sys_ptrace(long request, long pid, long addr, long data)
}
/* read the word at location addr in the USER area. */
case PTRACE_PEEKUSR: {
unsigned long tmp;
ret = -EIO;
if ((addr & 3) || addr < 0)
break;
tmp = 0; /* Default return condition */
if(addr < MAX_REG_OFFSET){
tmp = getreg(child, addr);
}
#if defined(CONFIG_UML_X86) && !defined(CONFIG_64BIT)
else if((addr >= offsetof(struct user, u_debugreg[0])) &&
(addr <= offsetof(struct user, u_debugreg[7]))){
addr -= offsetof(struct user, u_debugreg[0]);
addr = addr >> 2;
tmp = child->thread.arch.debugregs[addr];
}
#endif
ret = put_user(tmp, (unsigned long __user *) data);
break;
}
case PTRACE_PEEKUSR:
ret = peek_user(child, addr, data);
break;
/* when I and D space are separate, this will have to be fixed. */
case PTRACE_POKETEXT: /* write the word at location addr. */
......@@ -121,26 +121,8 @@ long sys_ptrace(long request, long pid, long addr, long data)
break;
case PTRACE_POKEUSR: /* write the word at location addr in the USER area */
ret = -EIO;
if ((addr & 3) || addr < 0)
break;
if (addr < MAX_REG_OFFSET) {
ret = putreg(child, addr, data);
break;
}
#if defined(CONFIG_UML_X86) && !defined(CONFIG_64BIT)
else if((addr >= offsetof(struct user, u_debugreg[0])) &&
(addr <= offsetof(struct user, u_debugreg[7]))){
addr -= offsetof(struct user, u_debugreg[0]);
addr = addr >> 2;
if((addr == 4) || (addr == 5)) break;
child->thread.arch.debugregs[addr] = data;
ret = 0;
}
#endif
break;
ret = poke_user(child, addr, data);
break;
case PTRACE_SYSCALL: /* continue and stop at next (return from) syscall */
case PTRACE_CONT: { /* restart after signal. */
......@@ -148,8 +130,7 @@ long sys_ptrace(long request, long pid, long addr, long data)
if (!valid_signal(data))
break;
child->ptrace &= ~PT_DTRACE;
child->thread.singlestep_syscall = 0;
set_singlestepping(child, 0);
if (request == PTRACE_SYSCALL) {
set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
}
......@@ -172,8 +153,7 @@ long sys_ptrace(long request, long pid, long addr, long data)
if (child->exit_state == EXIT_ZOMBIE) /* already dead */
break;
child->ptrace &= ~PT_DTRACE;
child->thread.singlestep_syscall = 0;
set_singlestepping(child, 0);
child->exit_code = SIGKILL;
wake_up_process(child);
break;
......@@ -184,8 +164,7 @@ long sys_ptrace(long request, long pid, long addr, long data)
if (!valid_signal(data))
break;
clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
child->ptrace |= PT_DTRACE;
child->thread.singlestep_syscall = 0;
set_singlestepping(child, 1);
child->exit_code = data;
/* give it a chance to run. */
wake_up_process(child);
......
......@@ -18,7 +18,6 @@ extern int copy_thread_skas(int nr, unsigned long clone_flags,
unsigned long sp, unsigned long stack_top,
struct task_struct *p, struct pt_regs *regs);
extern void release_thread_skas(struct task_struct *task);
extern void exit_thread_skas(void);
extern void initial_thread_cb_skas(void (*proc)(void *), void *arg);
extern void init_idle_skas(void);
extern void flush_tlb_kernel_range_skas(unsigned long start,
......
......@@ -18,8 +18,8 @@
((unsigned long) (addr) + (size) <= FIXADDR_USER_END) && \
((unsigned long) (addr) + (size) >= (unsigned long)(addr))))
static inline int __deprecated verify_area_skas(int type, const void * addr,
unsigned long size)
static inline int verify_area_skas(int type, const void * addr,
unsigned long size)
{
return(access_ok_skas(type, addr, size) ? 0 : -EFAULT);
}
......
......@@ -201,6 +201,11 @@ void userspace(union uml_pt_regs *regs)
}
}
}
#define INIT_JMP_NEW_THREAD 0
#define INIT_JMP_REMOVE_SIGSTACK 1
#define INIT_JMP_CALLBACK 2
#define INIT_JMP_HALT 3
#define INIT_JMP_REBOOT 4
void new_thread(void *stack, void **switch_buf_ptr, void **fork_buf_ptr,
void (*handler)(int))
......@@ -236,7 +241,7 @@ void thread_wait(void *sw, void *fb)
*switch_buf = &buf;
fork_buf = fb;
if(sigsetjmp(buf, 1) == 0)
siglongjmp(*fork_buf, 1);
siglongjmp(*fork_buf, INIT_JMP_REMOVE_SIGSTACK);
}
void switch_threads(void *me, void *next)
......@@ -266,21 +271,25 @@ int start_idle_thread(void *stack, void *switch_buf_ptr, void **fork_buf_ptr)
*fork_buf_ptr = &initial_jmpbuf;
n = sigsetjmp(initial_jmpbuf, 1);
if(n == 0)
new_thread_proc((void *) stack, new_thread_handler);
else if(n == 1)
remove_sigstack();
else if(n == 2){
switch(n){
case INIT_JMP_NEW_THREAD:
new_thread_proc((void *) stack, new_thread_handler);
break;
case INIT_JMP_REMOVE_SIGSTACK:
remove_sigstack();
break;
case INIT_JMP_CALLBACK:
(*cb_proc)(cb_arg);
siglongjmp(*cb_back, 1);
}
else if(n == 3){
break;
case INIT_JMP_HALT:
kmalloc_ok = 0;
return(0);
}
else if(n == 4){
case INIT_JMP_REBOOT:
kmalloc_ok = 0;
return(1);
default:
panic("Bad sigsetjmp return in start_idle_thread - %d\n", n);
}
siglongjmp(**switch_buf, 1);
}
......@@ -305,7 +314,7 @@ void initial_thread_cb_skas(void (*proc)(void *), void *arg)
block_signals();
if(sigsetjmp(here, 1) == 0)
siglongjmp(initial_jmpbuf, 2);
siglongjmp(initial_jmpbuf, INIT_JMP_CALLBACK);
unblock_signals();
cb_proc = NULL;
......@@ -316,13 +325,13 @@ void initial_thread_cb_skas(void (*proc)(void *), void *arg)
void halt_skas(void)
{
block_signals();
siglongjmp(initial_jmpbuf, 3);
siglongjmp(initial_jmpbuf, INIT_JMP_HALT);
}
void reboot_skas(void)
{
block_signals();
siglongjmp(initial_jmpbuf, 4);
siglongjmp(initial_jmpbuf, INIT_JMP_REBOOT);
}
void switch_mm_skas(int mm_fd)
......
......@@ -83,10 +83,6 @@ void release_thread_skas(struct task_struct *task)
{
}
void exit_thread_skas(void)
{
}
void fork_handler(int sig)
{
change_sig(SIGUSR1, 1);
......
......@@ -29,9 +29,12 @@ static unsigned long maybe_map(unsigned long virt, int is_write)
if(IS_ERR(phys) || (is_write && !pte_write(pte))){
err = handle_page_fault(virt, 0, is_write, 1, &dummy_code);
if(err)
return(0);
return(-1UL);
phys = um_virt_to_phys(current, virt, NULL);
}
if(IS_ERR(phys))
phys = (void *) -1;
return((unsigned long) phys);
}
......@@ -42,7 +45,7 @@ static int do_op(unsigned long addr, int len, int is_write,
int n;
addr = maybe_map(addr, is_write);
if(addr == -1)
if(addr == -1UL)
return(-1);
page = phys_to_page(addr);
......
......@@ -17,7 +17,6 @@
#include "linux/utime.h"
#include "asm/mman.h"
#include "asm/uaccess.h"
#include "asm/ipc.h"
#include "kern_util.h"
#include "user_util.h"
#include "sysdep/syscalls.h"
......
......@@ -48,7 +48,7 @@ int handle_page_fault(unsigned long address, unsigned long ip,
goto good_area;
else if(!(vma->vm_flags & VM_GROWSDOWN))
goto out;
else if(!ARCH_IS_STACKGROW(address))
else if(is_user && !ARCH_IS_STACKGROW(address))
goto out;
else if(expand_stack(vma, address))
goto out;
......
......@@ -19,7 +19,6 @@ extern int copy_thread_tt(int nr, unsigned long clone_flags, unsigned long sp,
unsigned long stack_top, struct task_struct *p,
struct pt_regs *regs);
extern void release_thread_tt(struct task_struct *task);
extern void exit_thread_tt(void);
extern void initial_thread_cb_tt(void (*proc)(void *), void *arg);
extern void init_idle_tt(void);
extern void flush_tlb_kernel_range_tt(unsigned long start, unsigned long end);
......
......@@ -33,8 +33,8 @@ extern unsigned long uml_physmem;
(((unsigned long) (addr) <= ((unsigned long) (addr) + (size))) && \
(under_task_size(addr, size) || is_stack(addr, size))))
static inline int __deprecated verify_area_tt(int type, const void * addr,
unsigned long size)
static inline int verify_area_tt(int type, const void * addr,
unsigned long size)
{
return(access_ok_tt(type, addr, size) ? 0 : -EFAULT);
}
......
......@@ -21,14 +21,8 @@ void before_mem_tt(unsigned long brk_start)
remap_data(UML_ROUND_DOWN(&__bss_start), UML_ROUND_UP(&_end), 1);
}
#ifdef CONFIG_HOST_2G_2G
#define TOP 0x80000000
#else
#define TOP 0xc0000000
#endif
#define SIZE ((CONFIG_NEST_LEVEL + CONFIG_KERNEL_HALF_GIGS) * 0x20000000)
#define START (TOP - SIZE)
#define START (CONFIG_TOP_ADDR - SIZE)
unsigned long set_task_sizes_tt(int arg, unsigned long *host_size_out,
unsigned long *task_size_out)
......
......@@ -65,8 +65,7 @@ void *switch_to_tt(void *prev, void *next, void *last)
panic("write of switch_pipe failed, err = %d", -err);
reading = 1;
if((from->exit_state == EXIT_ZOMBIE) ||
(from->exit_state == EXIT_DEAD))
if(from->thread.mode.tt.switch_pipe[0] == -1)
os_kill_process(os_getpid(), 0);
err = os_read_file(from->thread.mode.tt.switch_pipe[0], &c, sizeof(c));
......@@ -81,8 +80,7 @@ void *switch_to_tt(void *prev, void *next, void *last)
* in case it has not already killed itself.
*/
prev_sched = current->thread.prev_sched;
if((prev_sched->exit_state == EXIT_ZOMBIE) ||
(prev_sched->exit_state == EXIT_DEAD))
if(prev_sched->thread.mode.tt.switch_pipe[0] == -1)
os_kill_process(prev_sched->thread.mode.tt.extern_pid, 1);
change_sig(SIGVTALRM, vtalrm);
......@@ -101,14 +99,18 @@ void release_thread_tt(struct task_struct *task)
{
int pid = task->thread.mode.tt.extern_pid;
/*
* We first have to kill the other process, before
* closing its switch_pipe. Else it might wake up
* and receive "EOF" before we could kill it.
*/
if(os_getpid() != pid)
os_kill_process(pid, 0);
}
void exit_thread_tt(void)
{
os_close_file(current->thread.mode.tt.switch_pipe[0]);
os_close_file(current->thread.mode.tt.switch_pipe[1]);
os_close_file(task->thread.mode.tt.switch_pipe[0]);
os_close_file(task->thread.mode.tt.switch_pipe[1]);
/* use switch_pipe as flag: thread is released */
task->thread.mode.tt.switch_pipe[0] = -1;
}
void suspend_new_thread(int fd)
......
......@@ -63,6 +63,10 @@ void do_syscall(void *task, int pid, int local_using_sysemu)
UPT_SYSCALL_NR(TASK_REGS(task)) = PT_SYSCALL_NR(proc_regs);
#ifdef UPT_ORIGGPR2
UPT_ORIGGPR2(TASK_REGS(task)) = REGS_ORIGGPR2(proc_regs);
#endif
if(((unsigned long *) PT_IP(proc_regs) >= &_stext) &&
((unsigned long *) PT_IP(proc_regs) <= &_etext))
tracer_panic("I'm tracing myself and I can't get out");
......
......@@ -23,6 +23,7 @@
#include "asm/ptrace.h"
#include "asm/elf.h"
#include "asm/user.h"
#include "asm/setup.h"
#include "ubd_user.h"
#include "asm/current.h"
#include "asm/setup.h"
......@@ -42,9 +43,9 @@
#define DEFAULT_COMMAND_LINE "root=98:0"
/* Changed in linux_main and setup_arch, which run before SMP is started */
char command_line[COMMAND_LINE_SIZE] = { 0 };
static char command_line[COMMAND_LINE_SIZE] = { 0 };
void add_arg(char *arg)
static void add_arg(char *arg)
{
if (strlen(command_line) + strlen(arg) + 1 > COMMAND_LINE_SIZE) {
printf("add_arg: Too many command line arguments!\n");
......@@ -449,7 +450,7 @@ void __init setup_arch(char **cmdline_p)
{
notifier_chain_register(&panic_notifier_list, &panic_exit_notifier);
paging_init();
strlcpy(saved_command_line, command_line, COMMAND_LINE_SIZE);
strlcpy(saved_command_line, command_line, COMMAND_LINE_SIZE);
*cmdline_p = command_line;
setup_hostinfo();
}
......
......@@ -73,6 +73,25 @@ int putreg(struct task_struct *child, int regno, unsigned long value)
return 0;
}
int poke_user(struct task_struct *child, long addr, long data)
{
if ((addr & 3) || addr < 0)
return -EIO;
if (addr < MAX_REG_OFFSET)
return putreg(child, addr, data);
else if((addr >= offsetof(struct user, u_debugreg[0])) &&
(addr <= offsetof(struct user, u_debugreg[7]))){
addr -= offsetof(struct user, u_debugreg[0]);
addr = addr >> 2;
if((addr == 4) || (addr == 5)) return -EIO;
child->thread.arch.debugregs[addr] = data;
return 0;
}
return -EIO;
}
unsigned long getreg(struct task_struct *child, int regno)
{
unsigned long retval = ~0UL;
......@@ -93,6 +112,27 @@ unsigned long getreg(struct task_struct *child, int regno)
return retval;
}
int peek_user(struct task_struct *child, long addr, long data)
{
/* read the word at location addr in the USER area. */
unsigned long tmp;
if ((addr & 3) || addr < 0)
return -EIO;
tmp = 0; /* Default return condition */
if(addr < MAX_REG_OFFSET){
tmp = getreg(child, addr);
}
else if((addr >= offsetof(struct user, u_debugreg[0])) &&
(addr <= offsetof(struct user, u_debugreg[7]))){
addr -= offsetof(struct user, u_debugreg[0]);
addr = addr >> 2;
tmp = child->thread.arch.debugregs[addr];
}
return put_user(tmp, (unsigned long *) data);
}
struct i387_fxsave_struct {
unsigned short cwd;
unsigned short swd;
......
......@@ -8,6 +8,25 @@ int putreg(struct task_struct *child, unsigned long regno,
return 0;
}
int poke_user(struct task_struct *child, long addr, long data)
{
if ((addr & 3) || addr < 0)
return -EIO;
if (addr < MAX_REG_OFFSET)
return putreg(child, addr, data);
else if((addr >= offsetof(struct user, u_debugreg[0])) &&
(addr <= offsetof(struct user, u_debugreg[7]))){
addr -= offsetof(struct user, u_debugreg[0]);
addr = addr >> 2;
if((addr == 4) || (addr == 5)) return -EIO;
child->thread.arch.debugregs[addr] = data;
return 0;
}
return -EIO;
}
unsigned long getreg(struct task_struct *child, unsigned long regno)
{
unsigned long retval = ~0UL;
......@@ -16,6 +35,27 @@ unsigned long getreg(struct task_struct *child, unsigned long regno)
return retval;
}
int peek_user(struct task_struct *child, long addr, long data)
{
/* read the word at location addr in the USER area. */
unsigned long tmp;
if ((addr & 3) || addr < 0)
return -EIO;
tmp = 0; /* Default return condition */
if(addr < MAX_REG_OFFSET){
tmp = getreg(child, addr);
}
else if((addr >= offsetof(struct user, u_debugreg[0])) &&
(addr <= offsetof(struct user, u_debugreg[7]))){
addr -= offsetof(struct user, u_debugreg[0]);
addr = addr >> 2;
tmp = child->thread.arch.debugregs[addr];
}
return put_user(tmp, (unsigned long *) data);
}
/*
* Overrides for Emacs so that we follow Linus's tabbing style.
* Emacs will notice this stuff at the end of the file and automatically
......
......@@ -62,6 +62,27 @@ int putreg(struct task_struct *child, int regno, unsigned long value)
return 0;
}
int poke_user(struct task_struct *child, long addr, long data)
{
if ((addr & 3) || addr < 0)
return -EIO;
if (addr < MAX_REG_OFFSET)
return putreg(child, addr, data);
#if 0 /* Need x86_64 debugregs handling */
else if((addr >= offsetof(struct user, u_debugreg[0])) &&
(addr <= offsetof(struct user, u_debugreg[7]))){
addr -= offsetof(struct user, u_debugreg[0]);
addr = addr >> 2;
if((addr == 4) || (addr == 5)) return -EIO;
child->thread.arch.debugregs[addr] = data;
return 0;
}
#endif
return -EIO;
}
unsigned long getreg(struct task_struct *child, int regno)
{
unsigned long retval = ~0UL;
......@@ -84,6 +105,29 @@ unsigned long getreg(struct task_struct *child, int regno)
return retval;
}
int peek_user(struct task_struct *child, long addr, long data)
{
/* read the word at location addr in the USER area. */
unsigned long tmp;
if ((addr & 3) || addr < 0)
return -EIO;
tmp = 0; /* Default return condition */
if(addr < MAX_REG_OFFSET){
tmp = getreg(child, addr);
}
#if 0 /* Need x86_64 debugregs handling */
else if((addr >= offsetof(struct user, u_debugreg[0])) &&
(addr <= offsetof(struct user, u_debugreg[7]))){
addr -= offsetof(struct user, u_debugreg[0]);
addr = addr >> 2;
tmp = child->thread.arch.debugregs[addr];
}
#endif
return put_user(tmp, (unsigned long *) data);
}
void arch_switch(void)
{
/* XXX
......
......@@ -168,7 +168,7 @@ int setup_signal_stack_si(unsigned long stack_top, int sig,
frame = (struct rt_sigframe __user *)
round_down(stack_top - sizeof(struct rt_sigframe), 16) - 8;
frame -= 128;
((unsigned char *) frame) -= 128;
if (!access_ok(VERIFY_WRITE, fp, sizeof(struct _fpstate)))
goto out;
......
......@@ -44,6 +44,8 @@ long sys_modify_ldt_tt(int func, void *ptr, unsigned long bytecount)
#ifdef CONFIG_MODE_SKAS
extern int userspace_pid[];
#include "skas_ptrace.h"
long sys_modify_ldt_skas(int func, void *ptr, unsigned long bytecount)
{
struct ptrace_ldt ldt;
......
......@@ -74,7 +74,7 @@ static struct request_queue *rd_queue[CONFIG_BLK_DEV_RAM_COUNT];
* architecture-specific setup routine (from the stored boot sector
* information).
*/
static int rd_size = CONFIG_BLK_DEV_RAM_SIZE; /* Size of the RAM disks */
int rd_size = CONFIG_BLK_DEV_RAM_SIZE; /* Size of the RAM disks */
/*
* It would be very desirable to have a soft-blocksize (that in the case
* of the ramdisk driver is also the hardblocksize ;) of PAGE_SIZE because
......
......@@ -357,8 +357,16 @@ tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
V4L2_TUNER_RADIO != t->mode)
set_tv_freq(client,400*16);
t->mode = f->type;
t->freq = f->frequency;
set_freq(client,t->freq);
set_freq(client,f->frequency);
break;
}
case VIDIOC_G_FREQUENCY:
{
struct v4l2_frequency *f = arg;
SWITCH_V4L2;
f->type = t->mode;
f->frequency = t->freq;
break;
}
case VIDIOC_G_TUNER:
......@@ -368,6 +376,8 @@ tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
SWITCH_V4L2;
if (V4L2_TUNER_RADIO == t->mode && t->has_signal)
tuner->signal = t->has_signal(client);
tuner->rangelow = tv_range[0] * 16;
tuner->rangehigh = tv_range[1] * 16;
break;
}
default:
......
......@@ -52,7 +52,7 @@ static inline int zfcp_sg_list_copy_from_user(struct zfcp_sg_list *,
static inline int zfcp_sg_list_copy_to_user(void __user *,
struct zfcp_sg_list *, size_t);
static int zfcp_cfdc_dev_ioctl(struct file *, unsigned int, unsigned long);
static long zfcp_cfdc_dev_ioctl(struct file *, unsigned int, unsigned long);
#define ZFCP_CFDC_IOC_MAGIC 0xDD
#define ZFCP_CFDC_IOC \
......
......@@ -61,7 +61,6 @@
#include <linux/mempool.h>
#include <linux/syscalls.h>
#include <linux/ioctl.h>
#include <linux/ioctl32.h>
/************************ DEBUG FLAGS *****************************************/
......
......@@ -450,7 +450,7 @@ static int aac_cfg_open(struct inode *inode, struct file *file)
}
}
return 0;
return err;
}
/**
......
......@@ -2335,8 +2335,6 @@ ahc_linux_free_target(struct ahc_softc *ahc, struct ahc_linux_target *targ)
AHC_TRANS_GOAL, /*paused*/FALSE);
ahc_update_neg_request(ahc, &devinfo, tstate, tinfo, AHC_NEG_ALWAYS);
ahc->platform_data->targets[target_offset] = NULL;
if (targ->inq_data != NULL)
free(targ->inq_data, M_DEVBUF);
free(targ, M_DEVBUF);
}
......
......@@ -423,10 +423,6 @@ struct ahc_linux_device {
struct ahc_linux_target *target;
};
typedef enum {
AHC_INQ_VALID = 0x02,
} ahc_linux_targ_flags;
struct ahc_linux_target {
struct ahc_linux_device *devices[AHC_NUM_LUNS];
int channel;
......@@ -434,8 +430,6 @@ struct ahc_linux_target {
int refcount;
struct ahc_transinfo last_tinfo;
struct ahc_softc *ahc;
ahc_linux_targ_flags flags;
struct scsi_inquiry_data *inq_data;
};
/********************* Definitions Required by the Core ***********************/
......
......@@ -300,7 +300,7 @@ qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
rport->dev_loss_tmo = ha->port_down_retry_count + 5;
}
static struct fc_function_template qla2xxx_transport_functions = {
struct fc_function_template qla2xxx_transport_functions = {
.show_host_node_name = 1,
.show_host_port_name = 1,
......@@ -322,12 +322,6 @@ static struct fc_function_template qla2xxx_transport_functions = {
};
struct scsi_transport_template *
qla2x00_alloc_transport_tmpl(void)
{
return (fc_attach_transport(&qla2xxx_transport_functions));
}
void
qla2x00_init_host_attr(scsi_qla_host_t *ha)
{
......
......@@ -24,7 +24,6 @@
#define __QLA_GBL_H
#include <linux/interrupt.h>
#include <scsi/scsi_transport.h>
extern void qla2x00_remove_one(struct pci_dev *);
extern int qla2x00_probe_one(struct pci_dev *, struct qla_board_info *);
......@@ -248,9 +247,10 @@ extern void qla2x00_cancel_io_descriptors(scsi_qla_host_t *);
/*
* Global Function Prototypes in qla_attr.c source file.
*/
struct fc_function_template;
extern struct fc_function_template qla2xxx_transport_functions;
extern void qla2x00_alloc_sysfs_attr(scsi_qla_host_t *);
extern void qla2x00_free_sysfs_attr(scsi_qla_host_t *);
extern struct scsi_transport_template *qla2x00_alloc_transport_tmpl(void);
extern void qla2x00_init_host_attr(scsi_qla_host_t *);
extern void qla2x00_alloc_sysfs_attr(scsi_qla_host_t *);
extern void qla2x00_free_sysfs_attr(scsi_qla_host_t *);
......
......@@ -2350,7 +2350,8 @@ qla2x00_module_init(void)
#if DEBUG_QLA2100
strcat(qla2x00_version_str, "-debug");
#endif
qla2xxx_transport_template = qla2x00_alloc_transport_tmpl();
qla2xxx_transport_template =
fc_attach_transport(&qla2xxx_transport_functions);
if (!qla2xxx_transport_template)
return -ENODEV;
......
......@@ -542,7 +542,7 @@ int scsi_dispatch_cmd(struct scsi_cmnd *cmd)
* that the device is no longer present */
cmd->result = DID_NO_CONNECT << 16;
atomic_inc(&cmd->device->iorequest_cnt);
scsi_done(cmd);
__scsi_done(cmd);
/* return 0 (because the command has been processed) */
goto out;
}
......
......@@ -22,6 +22,7 @@
#include <linux/init.h>
#include <linux/module.h>
#include <linux/workqueue.h>
#include <linux/blkdev.h>
#include <asm/semaphore.h>
#include <scsi/scsi.h>
#include "scsi_priv.h"
......@@ -41,6 +42,11 @@
#define SPI_MAX_ECHO_BUFFER_SIZE 4096
#define DV_LOOPS 3
#define DV_TIMEOUT (10*HZ)
#define DV_RETRIES 3 /* should only need at most
* two cc/ua clears */
/* Private data accessors (keep these out of the header file) */
#define spi_dv_pending(x) (((struct spi_transport_attrs *)&(x)->starget_data)->dv_pending)
#define spi_dv_sem(x) (((struct spi_transport_attrs *)&(x)->starget_data)->dv_sem)
......@@ -100,6 +106,29 @@ static int sprint_frac(char *dest, int value, int denom)
return result;
}
/* Modification of scsi_wait_req that will clear UNIT ATTENTION conditions
* resulting from (likely) bus and device resets */
static void spi_wait_req(struct scsi_request *sreq, const void *cmd,
void *buffer, unsigned bufflen)
{
int i;
for(i = 0; i < DV_RETRIES; i++) {
sreq->sr_request->flags |= REQ_FAILFAST;
scsi_wait_req(sreq, cmd, buffer, bufflen,
DV_TIMEOUT, /* retries */ 1);
if (sreq->sr_result & DRIVER_SENSE) {
struct scsi_sense_hdr sshdr;
if (scsi_request_normalize_sense(sreq, &sshdr)
&& sshdr.sense_key == UNIT_ATTENTION)
continue;
}
break;
}
}
static struct {
enum spi_signal_type value;
char *name;
......@@ -378,11 +407,6 @@ static CLASS_DEVICE_ATTR(signalling, S_IRUGO | S_IWUSR,
if(i->f->set_##x) \
i->f->set_##x(sdev->sdev_target, y)
#define DV_LOOPS 3
#define DV_TIMEOUT (10*HZ)
#define DV_RETRIES 3 /* should only need at most
* two cc/ua clears */
enum spi_compare_returns {
SPI_COMPARE_SUCCESS,
SPI_COMPARE_FAILURE,
......@@ -446,8 +470,7 @@ spi_dv_device_echo_buffer(struct scsi_request *sreq, u8 *buffer,
for (r = 0; r < retries; r++) {
sreq->sr_cmd_len = 0; /* wait_req to fill in */
sreq->sr_data_direction = DMA_TO_DEVICE;
scsi_wait_req(sreq, spi_write_buffer, buffer, len,
DV_TIMEOUT, DV_RETRIES);
spi_wait_req(sreq, spi_write_buffer, buffer, len);
if(sreq->sr_result || !scsi_device_online(sdev)) {
struct scsi_sense_hdr sshdr;
......@@ -471,8 +494,7 @@ spi_dv_device_echo_buffer(struct scsi_request *sreq, u8 *buffer,
memset(ptr, 0, len);
sreq->sr_cmd_len = 0; /* wait_req to fill in */
sreq->sr_data_direction = DMA_FROM_DEVICE;
scsi_wait_req(sreq, spi_read_buffer, ptr, len,
DV_TIMEOUT, DV_RETRIES);
spi_wait_req(sreq, spi_read_buffer, ptr, len);
scsi_device_set_state(sdev, SDEV_QUIESCE);
if (memcmp(buffer, ptr, len) != 0)
......@@ -500,8 +522,7 @@ spi_dv_device_compare_inquiry(struct scsi_request *sreq, u8 *buffer,
memset(ptr, 0, len);
scsi_wait_req(sreq, spi_inquiry, ptr, len,
DV_TIMEOUT, DV_RETRIES);
spi_wait_req(sreq, spi_inquiry, ptr, len);
if(sreq->sr_result || !scsi_device_online(sdev)) {
scsi_device_set_state(sdev, SDEV_QUIESCE);
......@@ -593,8 +614,7 @@ spi_dv_device_get_echo_buffer(struct scsi_request *sreq, u8 *buffer)
* (reservation conflict, device not ready, etc) just
* skip the write tests */
for (l = 0; ; l++) {
scsi_wait_req(sreq, spi_test_unit_ready, NULL, 0,
DV_TIMEOUT, DV_RETRIES);
spi_wait_req(sreq, spi_test_unit_ready, NULL, 0);
if(sreq->sr_result) {
if(l >= 3)
......@@ -608,8 +628,7 @@ spi_dv_device_get_echo_buffer(struct scsi_request *sreq, u8 *buffer)
sreq->sr_cmd_len = 0;
sreq->sr_data_direction = DMA_FROM_DEVICE;
scsi_wait_req(sreq, spi_read_buffer_descriptor, buffer, 4,
DV_TIMEOUT, DV_RETRIES);
spi_wait_req(sreq, spi_read_buffer_descriptor, buffer, 4);
if (sreq->sr_result)
/* Device has no echo buffer */
......
......@@ -281,6 +281,9 @@ int sr_get_mcn(struct cdrom_device_info *cdi, struct cdrom_mcn *mcn)
char *buffer = kmalloc(32, GFP_KERNEL | SR_GFP_DMA(cd));
int result;
if (!buffer)
return -ENOMEM;
memset(&cgc, 0, sizeof(struct packet_command));
cgc.cmd[0] = GPCMD_READ_SUBCHANNEL;
cgc.cmd[2] = 0x40; /* I do want the subchannel info */
......
......@@ -2038,8 +2038,9 @@ static void sym2_set_period(struct scsi_target *starget, int period)
struct sym_hcb *np = sym_get_hcb(shost);
struct sym_tcb *tp = &np->target[starget->id];
/* have to have DT for these transfers */
if (period <= np->minsync)
/* have to have DT for these transfers, but DT will also
* set width, so check that this is allowed */
if (period <= np->minsync && spi_width(starget))
tp->tgoal.dt = 1;
tp->tgoal.period = period;
......
......@@ -1009,6 +1009,8 @@ get_pci_irq(struct pci_dev *dev, struct pci_board *board, int idx)
* n = number of serial ports
* baud = baud rate
*
* This table is sorted by (in order): baud, bt, bn, n.
*
* Please note: in theory if n = 1, _bt infix should make no difference.
* ie, pbn_b0_1_115200 is the same as pbn_b0_bt_1_115200
*/
......
......@@ -114,9 +114,6 @@ parse_extended(struct parsed_partitions *state, struct block_device *bdev,
*/
for (i=0; i<4; i++, p++) {
u32 offs, size, next;
if (SYS_IND(p) == 0)
continue;
if (!NR_SECTS(p) || is_extended_partition(p))
continue;
......@@ -433,8 +430,6 @@ int msdos_partition(struct parsed_partitions *state, struct block_device *bdev)
for (slot = 1 ; slot <= 4 ; slot++, p++) {
u32 start = START_SECT(p)*sector_size;
u32 size = NR_SECTS(p)*sector_size;
if (SYS_IND(p) == 0)
continue;
if (!size)
continue;
if (is_extended_partition(p)) {
......
......@@ -30,7 +30,4 @@ struct xics_ipi_struct {
extern struct xics_ipi_struct xics_ipi_message[NR_CPUS] __cacheline_aligned;
extern unsigned int default_distrib_server;
extern unsigned int interrupt_server_size;
#endif /* _PPC64_KERNEL_XICS_H */
/*
* Copyright (C) 2000 - 2003 Jeff Dike (jdike@addtoit.com)
* Licensed under the GPL
*/
#ifndef __UM_ELF_I386_H
#define __UM_ELF_I386_H
#include "user.h"
#if defined(CONFIG_UML_X86) && !defined(CONFIG_64BIT)
#define R_386_NONE 0
#define R_386_32 1
#define R_386_PC32 2
#define R_386_GOT32 3
#define R_386_PLT32 4
#define R_386_COPY 5
#define R_386_GLOB_DAT 6
#define R_386_JMP_SLOT 7
#define R_386_RELATIVE 8
#define R_386_GOTOFF 9
#define R_386_GOTPC 10
#define R_386_NUM 11
#elif defined(CONFIG_UML_X86) && defined(CONFIG_64BIT)
/* x86-64 relocation types */
#define R_X86_64_NONE 0 /* No reloc */
#define R_X86_64_64 1 /* Direct 64 bit */
#define R_X86_64_PC32 2 /* PC relative 32 bit signed */
#define R_X86_64_GOT32 3 /* 32 bit GOT entry */
#define R_X86_64_PLT32 4 /* 32 bit PLT address */
#define R_X86_64_COPY 5 /* Copy symbol at runtime */
#define R_X86_64_GLOB_DAT 6 /* Create GOT entry */
#define R_X86_64_JUMP_SLOT 7 /* Create PLT entry */
#define R_X86_64_RELATIVE 8 /* Adjust by program base */
#define R_X86_64_GOTPCREL 9 /* 32 bit signed pc relative
offset to GOT */
#define R_X86_64_32 10 /* Direct 32 bit zero extended */
#define R_X86_64_32S 11 /* Direct 32 bit sign extended */
#define R_X86_64_16 12 /* Direct 16 bit zero extended */
#define R_X86_64_PC16 13 /* 16 bit sign extended pc relative */
#define R_X86_64_8 14 /* Direct 8 bit sign extended */
#define R_X86_64_PC8 15 /* 8 bit sign extended pc relative */
#define R_X86_64_NUM 16
#endif
typedef unsigned long elf_greg_t;
#define ELF_NGREG (sizeof (struct user_regs_struct) / sizeof(elf_greg_t))
typedef elf_greg_t elf_gregset_t[ELF_NGREG];
typedef struct user_i387_struct elf_fpregset_t;
/*
* This is used to ensure we don't load something for the wrong architecture.
*/
#define elf_check_arch(x) \
(((x)->e_machine == EM_386) || ((x)->e_machine == EM_486))
#define ELF_CLASS ELFCLASS32
#define ELF_DATA ELFDATA2LSB
#define ELF_ARCH EM_386
#define ELF_PLAT_INIT(regs, load_addr) do { \
PT_REGS_EBX(regs) = 0; \
PT_REGS_ECX(regs) = 0; \
PT_REGS_EDX(regs) = 0; \
PT_REGS_ESI(regs) = 0; \
PT_REGS_EDI(regs) = 0; \
PT_REGS_EBP(regs) = 0; \
PT_REGS_EAX(regs) = 0; \
} while(0)
#define USE_ELF_CORE_DUMP
#define ELF_EXEC_PAGESIZE 4096
#define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3)
/* Shamelessly stolen from include/asm-i386/elf.h */
#define ELF_CORE_COPY_REGS(pr_reg, regs) do { \
pr_reg[0] = PT_REGS_EBX(regs); \
pr_reg[1] = PT_REGS_ECX(regs); \
pr_reg[2] = PT_REGS_EDX(regs); \
pr_reg[3] = PT_REGS_ESI(regs); \
pr_reg[4] = PT_REGS_EDI(regs); \
pr_reg[5] = PT_REGS_EBP(regs); \
pr_reg[6] = PT_REGS_EAX(regs); \
pr_reg[7] = PT_REGS_DS(regs); \
pr_reg[8] = PT_REGS_ES(regs); \
/* fake once used fs and gs selectors? */ \
pr_reg[9] = PT_REGS_DS(regs); \
pr_reg[10] = PT_REGS_DS(regs); \
pr_reg[11] = PT_REGS_SYSCALL_NR(regs); \
pr_reg[12] = PT_REGS_IP(regs); \
pr_reg[13] = PT_REGS_CS(regs); \
pr_reg[14] = PT_REGS_EFLAGS(regs); \
pr_reg[15] = PT_REGS_SP(regs); \
pr_reg[16] = PT_REGS_SS(regs); \
} while(0);
extern long elf_aux_hwcap;
#define ELF_HWCAP (elf_aux_hwcap)
extern char * elf_aux_platform;
#define ELF_PLATFORM (elf_aux_platform)
#define SET_PERSONALITY(ex, ibcs2) do ; while(0)
extern unsigned long vsyscall_ehdr;
extern unsigned long vsyscall_end;
extern unsigned long __kernel_vsyscall;
#define VSYSCALL_BASE vsyscall_ehdr
#define VSYSCALL_END vsyscall_end
/*
* This is the range that is readable by user mode, and things
* acting like user mode such as get_user_pages.
*/
#define FIXADDR_USER_START VSYSCALL_BASE
#define FIXADDR_USER_END VSYSCALL_END
/*
* Architecture-neutral AT_ values in 0-17, leave some room
* for more of them, start the x86-specific ones at 32.
*/
#define AT_SYSINFO 32
#define AT_SYSINFO_EHDR 33
#define ARCH_DLINFO \
do { \
if ( vsyscall_ehdr ) { \
NEW_AUX_ENT(AT_SYSINFO, __kernel_vsyscall); \
NEW_AUX_ENT(AT_SYSINFO_EHDR, vsyscall_ehdr); \
} \
} while (0)
/*
* These macros parameterize elf_core_dump in fs/binfmt_elf.c to write out
* extra segments containing the vsyscall DSO contents. Dumping its
* contents makes post-mortem fully interpretable later without matching up
* the same kernel and hardware config to see what PC values meant.
* Dumping its extra ELF program headers includes all the other information
* a debugger needs to easily find how the vsyscall DSO was being used.
*/
#define ELF_CORE_EXTRA_PHDRS \
(vsyscall_ehdr ? (((struct elfhdr *)vsyscall_ehdr)->e_phnum) : 0 )
#define ELF_CORE_WRITE_EXTRA_PHDRS \
if ( vsyscall_ehdr ) { \
const struct elfhdr *const ehdrp = (struct elfhdr *)vsyscall_ehdr; \
const struct elf_phdr *const phdrp = \
(const struct elf_phdr *) (vsyscall_ehdr + ehdrp->e_phoff); \
int i; \
Elf32_Off ofs = 0; \
for (i = 0; i < ehdrp->e_phnum; ++i) { \
struct elf_phdr phdr = phdrp[i]; \
if (phdr.p_type == PT_LOAD) { \
ofs = phdr.p_offset = offset; \
offset += phdr.p_filesz; \
} \
else \
phdr.p_offset += ofs; \
phdr.p_paddr = 0; /* match other core phdrs */ \
DUMP_WRITE(&phdr, sizeof(phdr)); \
} \
}
#define ELF_CORE_WRITE_EXTRA_DATA \
if ( vsyscall_ehdr ) { \
const struct elfhdr *const ehdrp = (struct elfhdr *)vsyscall_ehdr; \
const struct elf_phdr *const phdrp = \
(const struct elf_phdr *) (vsyscall_ehdr + ehdrp->e_phoff); \
int i; \
for (i = 0; i < ehdrp->e_phnum; ++i) { \
if (phdrp[i].p_type == PT_LOAD) \
DUMP_WRITE((void *) phdrp[i].p_vaddr, \
phdrp[i].p_filesz); \
} \
}
#endif
/*
* Overrides for Emacs so that we follow Linus's tabbing style.
* Emacs will notice this stuff at the end of the file and automatically
* adjust the settings for this buffer only. This must remain at the end
* of the file.
* ---------------------------------------------------------------------------
* Local variables:
* c-file-style: "linux"
* End:
*/
......@@ -2,7 +2,8 @@
#define SETUP_H_INCLUDED
/* POSIX mandated with _POSIX_ARG_MAX that we can rely on 4096 chars in the
* command line, so this choice is ok.*/
* command line, so this choice is ok.
*/
#define COMMAND_LINE_SIZE 4096
......
......@@ -1836,7 +1836,7 @@ static void __devinit snd_via82xx_proc_init(via82xx_t *chip)
*
*/
static int __devinit snd_via82xx_chip_init(via82xx_t *chip)
static int snd_via82xx_chip_init(via82xx_t *chip)
{
unsigned int val;
int max_count;
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment