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-rw-r--r--arch/alpha/Kconfig9
-rw-r--r--arch/alpha/include/asm/signal.h11
-rw-r--r--arch/alpha/include/asm/unistd.h1
-rw-r--r--arch/alpha/include/uapi/asm/socket.h3
-rw-r--r--arch/alpha/kernel/osf_sys.c26
-rw-r--r--arch/alpha/kernel/process.c1
-rw-r--r--arch/alpha/kernel/signal.c121
-rw-r--r--arch/alpha/kernel/srmcons.c18
8 files changed, 75 insertions, 115 deletions
diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig
index 9d5904cc7712..1ecbf7a1b677 100644
--- a/arch/alpha/Kconfig
+++ b/arch/alpha/Kconfig
@@ -5,7 +5,6 @@ config ALPHA
select HAVE_IDE
select HAVE_OPROFILE
select HAVE_SYSCALL_WRAPPERS
- select HAVE_IRQ_WORK
select HAVE_PCSPKR_PLATFORM
select HAVE_PERF_EVENTS
select HAVE_DMA_ATTRS
@@ -22,7 +21,8 @@ config ALPHA
select GENERIC_STRNLEN_USER
select HAVE_MOD_ARCH_SPECIFIC
select MODULES_USE_ELF_RELA
- select GENERIC_SIGALTSTACK
+ select ODD_RT_SIGACTION
+ select OLD_SIGSUSPEND
help
The Alpha is a 64-bit general-purpose processor designed and
marketed by the Digital Equipment Corporation of blessed memory,
@@ -125,6 +125,7 @@ choice
config ALPHA_GENERIC
bool "Generic"
+ depends on TTY
help
A generic kernel will run on all supported Alpha hardware.
@@ -491,6 +492,7 @@ config VGA_HOSE
config ALPHA_SRM
bool "Use SRM as bootloader" if ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P || ALPHA_PC164 || ALPHA_TAKARA || ALPHA_EB164 || ALPHA_ALCOR || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_NAUTILUS || ALPHA_NONAME
+ depends on TTY
default y if ALPHA_JENSEN || ALPHA_MIKASA || ALPHA_SABLE || ALPHA_LYNX || ALPHA_NORITAKE || ALPHA_DP264 || ALPHA_RAWHIDE || ALPHA_EIGER || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
---help---
There are two different types of booting firmware on Alphas: SRM,
@@ -556,8 +558,7 @@ config NR_CPUS
with working support have a maximum of 4 CPUs.
config ARCH_DISCONTIGMEM_ENABLE
- bool "Discontiguous Memory Support (EXPERIMENTAL)"
- depends on EXPERIMENTAL
+ bool "Discontiguous Memory Support"
help
Say Y to support efficient handling of discontiguous physical memory,
for architectures which are either NUMA (Non-Uniform Memory Access)
diff --git a/arch/alpha/include/asm/signal.h b/arch/alpha/include/asm/signal.h
index 8a1ac28cd562..963f0494dca7 100644
--- a/arch/alpha/include/asm/signal.h
+++ b/arch/alpha/include/asm/signal.h
@@ -22,15 +22,6 @@ struct osf_sigaction {
int sa_flags;
};
-struct sigaction {
- __sighandler_t sa_handler;
- unsigned long sa_flags;
- sigset_t sa_mask; /* mask last for extensibility */
-};
-
-struct k_sigaction {
- struct sigaction sa;
- __sigrestore_t ka_restorer;
-};
+#define __ARCH_HAS_KA_RESTORER
#include <asm/sigcontext.h>
#endif
diff --git a/arch/alpha/include/asm/unistd.h b/arch/alpha/include/asm/unistd.h
index b3396ee039b7..6d6fe7ab5473 100644
--- a/arch/alpha/include/asm/unistd.h
+++ b/arch/alpha/include/asm/unistd.h
@@ -14,7 +14,6 @@
#define __ARCH_WANT_SYS_OLD_GETRLIMIT
#define __ARCH_WANT_SYS_OLDUMOUNT
#define __ARCH_WANT_SYS_SIGPENDING
-#define __ARCH_WANT_SYS_RT_SIGSUSPEND
#define __ARCH_WANT_SYS_FORK
#define __ARCH_WANT_SYS_VFORK
#define __ARCH_WANT_SYS_CLONE
diff --git a/arch/alpha/include/uapi/asm/socket.h b/arch/alpha/include/uapi/asm/socket.h
index 097c1577735a..c5195524d1ef 100644
--- a/arch/alpha/include/uapi/asm/socket.h
+++ b/arch/alpha/include/uapi/asm/socket.h
@@ -19,7 +19,7 @@
#define SO_BROADCAST 0x0020
#define SO_LINGER 0x0080
#define SO_OOBINLINE 0x0100
-/* To add :#define SO_REUSEPORT 0x0200 */
+#define SO_REUSEPORT 0x0200
#define SO_TYPE 0x1008
#define SO_ERROR 0x1007
@@ -77,5 +77,6 @@
/* Instruct lower device to use last 4-bytes of skb data as FCS */
#define SO_NOFCS 43
+#define SO_LOCK_FILTER 44
#endif /* _UAPI_ASM_SOCKET_H */
diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c
index 14db93e4c8a8..b9e37ad6fa19 100644
--- a/arch/alpha/kernel/osf_sys.c
+++ b/arch/alpha/kernel/osf_sys.c
@@ -1139,6 +1139,7 @@ struct rusage32 {
SYSCALL_DEFINE2(osf_getrusage, int, who, struct rusage32 __user *, ru)
{
struct rusage32 r;
+ cputime_t utime, stime;
if (who != RUSAGE_SELF && who != RUSAGE_CHILDREN)
return -EINVAL;
@@ -1146,8 +1147,9 @@ SYSCALL_DEFINE2(osf_getrusage, int, who, struct rusage32 __user *, ru)
memset(&r, 0, sizeof(r));
switch (who) {
case RUSAGE_SELF:
- jiffies_to_timeval32(current->utime, &r.ru_utime);
- jiffies_to_timeval32(current->stime, &r.ru_stime);
+ task_cputime(current, &utime, &stime);
+ jiffies_to_timeval32(utime, &r.ru_utime);
+ jiffies_to_timeval32(stime, &r.ru_stime);
r.ru_minflt = current->min_flt;
r.ru_majflt = current->maj_flt;
break;
@@ -1298,17 +1300,15 @@ static unsigned long
arch_get_unmapped_area_1(unsigned long addr, unsigned long len,
unsigned long limit)
{
- struct vm_area_struct *vma = find_vma(current->mm, addr);
-
- while (1) {
- /* At this point: (!vma || addr < vma->vm_end). */
- if (limit - len < addr)
- return -ENOMEM;
- if (!vma || addr + len <= vma->vm_start)
- return addr;
- addr = vma->vm_end;
- vma = vma->vm_next;
- }
+ struct vm_unmapped_area_info info;
+
+ info.flags = 0;
+ info.length = len;
+ info.low_limit = addr;
+ info.high_limit = limit;
+ info.align_mask = 0;
+ info.align_offset = 0;
+ return vm_unmapped_area(&info);
}
unsigned long
diff --git a/arch/alpha/kernel/process.c b/arch/alpha/kernel/process.c
index b5d0d0923699..63d27fb9b023 100644
--- a/arch/alpha/kernel/process.c
+++ b/arch/alpha/kernel/process.c
@@ -250,7 +250,6 @@ copy_thread(unsigned long clone_flags, unsigned long usp,
struct pt_regs *childregs = task_pt_regs(p);
struct pt_regs *regs = current_pt_regs();
struct switch_stack *childstack, *stack;
- unsigned long settls;
childstack = ((struct switch_stack *) childregs) - 1;
childti->pcb.ksp = (unsigned long) childstack;
diff --git a/arch/alpha/kernel/signal.c b/arch/alpha/kernel/signal.c
index 02d02c047f17..6cec2881acbf 100644
--- a/arch/alpha/kernel/signal.c
+++ b/arch/alpha/kernel/signal.c
@@ -113,16 +113,6 @@ SYSCALL_DEFINE5(rt_sigaction, int, sig, const struct sigaction __user *, act,
}
/*
- * Atomically swap in the new signal mask, and wait for a signal.
- */
-SYSCALL_DEFINE1(sigsuspend, old_sigset_t, mask)
-{
- sigset_t blocked;
- siginitset(&blocked, mask);
- return sigsuspend(&blocked);
-}
-
-/*
* Do a signal return; undo the signal stack.
*/
@@ -282,12 +272,9 @@ give_sigsegv:
*/
static inline void __user *
-get_sigframe(struct k_sigaction *ka, unsigned long sp, size_t frame_size)
+get_sigframe(struct ksignal *ksig, unsigned long sp, size_t frame_size)
{
- if ((ka->sa.sa_flags & SA_ONSTACK) != 0 && ! sas_ss_flags(sp))
- sp = current->sas_ss_sp + current->sas_ss_size;
-
- return (void __user *)((sp - frame_size) & -32ul);
+ return (void __user *)((sigsp(sp, ksig) - frame_size) & -32ul);
}
static long
@@ -348,14 +335,13 @@ setup_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs,
}
static int
-setup_frame(int sig, struct k_sigaction *ka, sigset_t *set,
- struct pt_regs *regs)
+setup_frame(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs)
{
unsigned long oldsp, r26, err = 0;
struct sigframe __user *frame;
oldsp = rdusp();
- frame = get_sigframe(ka, oldsp, sizeof(*frame));
+ frame = get_sigframe(ksig, oldsp, sizeof(*frame));
if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
return -EFAULT;
@@ -365,9 +351,8 @@ setup_frame(int sig, struct k_sigaction *ka, sigset_t *set,
/* Set up to return from userspace. If provided, use a stub
already in userspace. */
- if (ka->ka_restorer) {
- r26 = (unsigned long) ka->ka_restorer;
- } else {
+ r26 = (unsigned long) ksig->ka.ka_restorer;
+ if (!r26) {
err |= __put_user(INSN_MOV_R30_R16, frame->retcode+0);
err |= __put_user(INSN_LDI_R0+__NR_sigreturn, frame->retcode+1);
err |= __put_user(INSN_CALLSYS, frame->retcode+2);
@@ -381,8 +366,8 @@ setup_frame(int sig, struct k_sigaction *ka, sigset_t *set,
/* "Return" to the handler */
regs->r26 = r26;
- regs->r27 = regs->pc = (unsigned long) ka->sa.sa_handler;
- regs->r16 = sig; /* a0: signal number */
+ regs->r27 = regs->pc = (unsigned long) ksig->ka.sa.sa_handler;
+ regs->r16 = ksig->sig; /* a0: signal number */
regs->r17 = 0; /* a1: exception code */
regs->r18 = (unsigned long) &frame->sc; /* a2: sigcontext pointer */
wrusp((unsigned long) frame);
@@ -395,18 +380,17 @@ setup_frame(int sig, struct k_sigaction *ka, sigset_t *set,
}
static int
-setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
- sigset_t *set, struct pt_regs *regs)
+setup_rt_frame(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs)
{
unsigned long oldsp, r26, err = 0;
struct rt_sigframe __user *frame;
oldsp = rdusp();
- frame = get_sigframe(ka, oldsp, sizeof(*frame));
+ frame = get_sigframe(ksig, oldsp, sizeof(*frame));
if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
return -EFAULT;
- err |= copy_siginfo_to_user(&frame->info, info);
+ err |= copy_siginfo_to_user(&frame->info, &ksig->info);
/* Create the ucontext. */
err |= __put_user(0, &frame->uc.uc_flags);
@@ -421,9 +405,8 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
/* Set up to return from userspace. If provided, use a stub
already in userspace. */
- if (ka->ka_restorer) {
- r26 = (unsigned long) ka->ka_restorer;
- } else {
+ r26 = (unsigned long) ksig->ka.ka_restorer;
+ if (!r26) {
err |= __put_user(INSN_MOV_R30_R16, frame->retcode+0);
err |= __put_user(INSN_LDI_R0+__NR_rt_sigreturn,
frame->retcode+1);
@@ -437,8 +420,8 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
/* "Return" to the handler */
regs->r26 = r26;
- regs->r27 = regs->pc = (unsigned long) ka->sa.sa_handler;
- regs->r16 = sig; /* a0: signal number */
+ regs->r27 = regs->pc = (unsigned long) ksig->ka.sa.sa_handler;
+ regs->r16 = ksig->sig; /* a0: signal number */
regs->r17 = (unsigned long) &frame->info; /* a1: siginfo pointer */
regs->r18 = (unsigned long) &frame->uc; /* a2: ucontext pointer */
wrusp((unsigned long) frame);
@@ -456,22 +439,17 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
* OK, we're invoking a handler.
*/
static inline void
-handle_signal(int sig, struct k_sigaction *ka, siginfo_t *info,
- struct pt_regs * regs)
+handle_signal(struct ksignal *ksig, struct pt_regs *regs)
{
sigset_t *oldset = sigmask_to_save();
int ret;
- if (ka->sa.sa_flags & SA_SIGINFO)
- ret = setup_rt_frame(sig, ka, info, oldset, regs);
+ if (ksig->ka.sa.sa_flags & SA_SIGINFO)
+ ret = setup_rt_frame(ksig, oldset, regs);
else
- ret = setup_frame(sig, ka, oldset, regs);
+ ret = setup_frame(ksig, oldset, regs);
- if (ret) {
- force_sigsegv(sig, current);
- return;
- }
- signal_delivered(sig, info, ka, regs, 0);
+ signal_setup_done(ret, ksig, 0);
}
static inline void
@@ -514,47 +492,38 @@ syscall_restart(unsigned long r0, unsigned long r19,
static void
do_signal(struct pt_regs *regs, unsigned long r0, unsigned long r19)
{
- siginfo_t info;
- int signr;
unsigned long single_stepping = ptrace_cancel_bpt(current);
- struct k_sigaction ka;
+ struct ksignal ksig;
/* This lets the debugger run, ... */
- signr = get_signal_to_deliver(&info, &ka, regs, NULL);
-
- /* ... so re-check the single stepping. */
- single_stepping |= ptrace_cancel_bpt(current);
-
- if (signr > 0) {
+ if (get_signal(&ksig)) {
+ /* ... so re-check the single stepping. */
+ single_stepping |= ptrace_cancel_bpt(current);
/* Whee! Actually deliver the signal. */
if (r0)
- syscall_restart(r0, r19, regs, &ka);
- handle_signal(signr, &ka, &info, regs);
- if (single_stepping)
- ptrace_set_bpt(current); /* re-set bpt */
- return;
- }
-
- if (r0) {
- switch (regs->r0) {
- case ERESTARTNOHAND:
- case ERESTARTSYS:
- case ERESTARTNOINTR:
- /* Reset v0 and a3 and replay syscall. */
- regs->r0 = r0;
- regs->r19 = r19;
- regs->pc -= 4;
- break;
- case ERESTART_RESTARTBLOCK:
- /* Force v0 to the restart syscall and reply. */
- regs->r0 = __NR_restart_syscall;
- regs->pc -= 4;
- break;
+ syscall_restart(r0, r19, regs, &ksig.ka);
+ handle_signal(&ksig, regs);
+ } else {
+ single_stepping |= ptrace_cancel_bpt(current);
+ if (r0) {
+ switch (regs->r0) {
+ case ERESTARTNOHAND:
+ case ERESTARTSYS:
+ case ERESTARTNOINTR:
+ /* Reset v0 and a3 and replay syscall. */
+ regs->r0 = r0;
+ regs->r19 = r19;
+ regs->pc -= 4;
+ break;
+ case ERESTART_RESTARTBLOCK:
+ /* Set v0 to the restart_syscall and replay */
+ regs->r0 = __NR_restart_syscall;
+ regs->pc -= 4;
+ break;
+ }
}
+ restore_saved_sigmask();
}
-
- /* If there's no signal to deliver, we just restore the saved mask. */
- restore_saved_sigmask();
if (single_stepping)
ptrace_set_bpt(current); /* re-set breakpoint */
}
diff --git a/arch/alpha/kernel/srmcons.c b/arch/alpha/kernel/srmcons.c
index 59b7bbad8394..6f01d9ad7b81 100644
--- a/arch/alpha/kernel/srmcons.c
+++ b/arch/alpha/kernel/srmcons.c
@@ -44,7 +44,7 @@ typedef union _srmcons_result {
/* called with callback_lock held */
static int
-srmcons_do_receive_chars(struct tty_struct *tty)
+srmcons_do_receive_chars(struct tty_port *port)
{
srmcons_result result;
int count = 0, loops = 0;
@@ -52,13 +52,13 @@ srmcons_do_receive_chars(struct tty_struct *tty)
do {
result.as_long = callback_getc(0);
if (result.bits.status < 2) {
- tty_insert_flip_char(tty, (char)result.bits.c, 0);
+ tty_insert_flip_char(port, (char)result.bits.c, 0);
count++;
}
} while((result.bits.status & 1) && (++loops < 10));
if (count)
- tty_schedule_flip(tty);
+ tty_schedule_flip(port);
return count;
}
@@ -73,7 +73,7 @@ srmcons_receive_chars(unsigned long data)
local_irq_save(flags);
if (spin_trylock(&srmcons_callback_lock)) {
- if (!srmcons_do_receive_chars(port->tty))
+ if (!srmcons_do_receive_chars(port))
incr = 100;
spin_unlock(&srmcons_callback_lock);
}
@@ -88,7 +88,7 @@ srmcons_receive_chars(unsigned long data)
/* called with callback_lock held */
static int
-srmcons_do_write(struct tty_struct *tty, const char *buf, int count)
+srmcons_do_write(struct tty_port *port, const char *buf, int count)
{
static char str_cr[1] = "\r";
long c, remaining = count;
@@ -113,10 +113,10 @@ srmcons_do_write(struct tty_struct *tty, const char *buf, int count)
cur += result.bits.c;
/*
- * Check for pending input iff a tty was provided
+ * Check for pending input iff a tty port was provided
*/
- if (tty)
- srmcons_do_receive_chars(tty);
+ if (port)
+ srmcons_do_receive_chars(port);
}
while (need_cr) {
@@ -135,7 +135,7 @@ srmcons_write(struct tty_struct *tty,
unsigned long flags;
spin_lock_irqsave(&srmcons_callback_lock, flags);
- srmcons_do_write(tty, (const char *) buf, count);
+ srmcons_do_write(tty->port, (const char *) buf, count);
spin_unlock_irqrestore(&srmcons_callback_lock, flags);
return count;