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-rw-r--r--arch/xtensa/Kconfig3
-rw-r--r--arch/xtensa/include/asm/signal.h11
-rw-r--r--arch/xtensa/include/asm/syscall.h7
-rw-r--r--arch/xtensa/include/asm/unistd.h2
-rw-r--r--arch/xtensa/include/uapi/asm/socket.h4
-rw-r--r--arch/xtensa/include/uapi/asm/unistd.h2
-rw-r--r--arch/xtensa/kernel/signal.c18
-rw-r--r--arch/xtensa/kernel/traps.c2
-rw-r--r--arch/xtensa/platforms/iss/console.c10
9 files changed, 15 insertions, 44 deletions
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig
index 7d0bb9866ae..a5c0663c2cd 100644
--- a/arch/xtensa/Kconfig
+++ b/arch/xtensa/Kconfig
@@ -24,7 +24,7 @@ config XTENSA
configurable and extensible. The Linux port to the Xtensa
architecture supports all processor configurations and extensions,
with reasonable minimum requirements. The Xtensa Linux project has
- a home page at <http://xtensa.sourceforge.net/>.
+ a home page at <http://www.linux-xtensa.org/>.
config RWSEM_XCHGADD_ALGORITHM
def_bool y
@@ -140,6 +140,7 @@ choice
config XTENSA_PLATFORM_ISS
bool "ISS"
+ depends on TTY
select XTENSA_CALIBRATE_CCOUNT
select SERIAL_CONSOLE
select XTENSA_ISS_NETWORK
diff --git a/arch/xtensa/include/asm/signal.h b/arch/xtensa/include/asm/signal.h
index 6f586bd90e1..de169b4eaee 100644
--- a/arch/xtensa/include/asm/signal.h
+++ b/arch/xtensa/include/asm/signal.h
@@ -15,16 +15,7 @@
#include <uapi/asm/signal.h>
#ifndef __ASSEMBLY__
-struct sigaction {
- __sighandler_t sa_handler;
- unsigned long sa_flags;
- void (*sa_restorer)(void);
- sigset_t sa_mask; /* mask last for extensibility */
-};
-
-struct k_sigaction {
- struct sigaction sa;
-};
+#define __ARCH_HAS_SA_RESTORER
#include <asm/sigcontext.h>
diff --git a/arch/xtensa/include/asm/syscall.h b/arch/xtensa/include/asm/syscall.h
index 8d5e47fad09..3673ff1f1bc 100644
--- a/arch/xtensa/include/asm/syscall.h
+++ b/arch/xtensa/include/asm/syscall.h
@@ -9,15 +9,9 @@
*/
struct pt_regs;
-struct sigaction;
asmlinkage long xtensa_ptrace(long, long, long, long);
asmlinkage long xtensa_sigreturn(struct pt_regs*);
asmlinkage long xtensa_rt_sigreturn(struct pt_regs*);
-asmlinkage long xtensa_sigaltstack(struct pt_regs *regs);
-asmlinkage long sys_rt_sigaction(int,
- const struct sigaction __user *,
- struct sigaction __user *,
- size_t);
asmlinkage long xtensa_shmat(int, char __user *, int);
asmlinkage long xtensa_fadvise64_64(int, int,
unsigned long long, unsigned long long);
@@ -31,4 +25,3 @@ asmlinkage long sys_ppoll(struct pollfd __user *ufds, unsigned int nfds,
struct timespec __user *tsp,
const sigset_t __user *sigmask,
size_t sigsetsize);
-asmlinkage long sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize);
diff --git a/arch/xtensa/include/asm/unistd.h b/arch/xtensa/include/asm/unistd.h
index eb63ea87815..c38834de9ac 100644
--- a/arch/xtensa/include/asm/unistd.h
+++ b/arch/xtensa/include/asm/unistd.h
@@ -15,8 +15,6 @@
#define __ARCH_WANT_STAT64
#define __ARCH_WANT_SYS_UTIME
#define __ARCH_WANT_SYS_LLSEEK
-#define __ARCH_WANT_SYS_RT_SIGACTION
-#define __ARCH_WANT_SYS_RT_SIGSUSPEND
#define __ARCH_WANT_SYS_GETPGRP
/*
diff --git a/arch/xtensa/include/uapi/asm/socket.h b/arch/xtensa/include/uapi/asm/socket.h
index 38079be1cf1..35905cb6e41 100644
--- a/arch/xtensa/include/uapi/asm/socket.h
+++ b/arch/xtensa/include/uapi/asm/socket.h
@@ -32,7 +32,7 @@
#define SO_PRIORITY 12
#define SO_LINGER 13
#define SO_BSDCOMPAT 14
-/* To add :#define SO_REUSEPORT 15 */
+#define SO_REUSEPORT 15
#define SO_PASSCRED 16
#define SO_PEERCRED 17
#define SO_RCVLOWAT 18
@@ -81,4 +81,6 @@
/* Instruct lower device to use last 4-bytes of skb data as FCS */
#define SO_NOFCS 43
+#define SO_LOCK_FILTER 44
+
#endif /* _XTENSA_SOCKET_H */
diff --git a/arch/xtensa/include/uapi/asm/unistd.h b/arch/xtensa/include/uapi/asm/unistd.h
index e1074633545..51940fec699 100644
--- a/arch/xtensa/include/uapi/asm/unistd.h
+++ b/arch/xtensa/include/uapi/asm/unistd.h
@@ -483,7 +483,7 @@ __SYSCALL(222, sys_ni_syscall, 0)
#define __NR_restart_syscall 223
__SYSCALL(223, sys_restart_syscall, 0)
#define __NR_sigaltstack 224
-__SYSCALL(224, xtensa_sigaltstack, 2)
+__SYSCALL(224, sys_sigaltstack, 2)
#define __NR_rt_sigreturn 225
__SYSCALL(225, xtensa_rt_sigreturn, 1)
#define __NR_rt_sigaction 226
diff --git a/arch/xtensa/kernel/signal.c b/arch/xtensa/kernel/signal.c
index 6952d895923..718eca1850b 100644
--- a/arch/xtensa/kernel/signal.c
+++ b/arch/xtensa/kernel/signal.c
@@ -265,7 +265,7 @@ asmlinkage long xtensa_rt_sigreturn(long a0, long a1, long a2, long a3,
ret = regs->areg[2];
- if (do_sigaltstack(&frame->uc.uc_stack, NULL, regs->areg[1]) == -EFAULT)
+ if (restore_altstack(&frame->uc.uc_stack))
goto badframe;
return ret;
@@ -368,11 +368,7 @@ static int setup_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
err |= __put_user(0, &frame->uc.uc_flags);
err |= __put_user(0, &frame->uc.uc_link);
- err |= __put_user((void *)current->sas_ss_sp,
- &frame->uc.uc_stack.ss_sp);
- err |= __put_user(sas_ss_flags(regs->areg[1]),
- &frame->uc.uc_stack.ss_flags);
- err |= __put_user(current->sas_ss_size, &frame->uc.uc_stack.ss_size);
+ err |= __save_altstack(&frame->uc.uc_stack, regs->areg[1]);
err |= setup_sigcontext(frame, regs);
err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));
@@ -426,16 +422,6 @@ give_sigsegv:
return -EFAULT;
}
-asmlinkage long xtensa_sigaltstack(const stack_t __user *uss,
- stack_t __user *uoss,
- long a2, long a3, long a4, long a5,
- struct pt_regs *regs)
-{
- return do_sigaltstack(uss, uoss, regs->areg[1]);
-}
-
-
-
/*
* Note that 'init' is a special process: it doesn't get signals it doesn't
* want to handle. Thus you cannot kill init even with a SIGKILL even by
diff --git a/arch/xtensa/kernel/traps.c b/arch/xtensa/kernel/traps.c
index 5e0f81a6518..923db5c1527 100644
--- a/arch/xtensa/kernel/traps.c
+++ b/arch/xtensa/kernel/traps.c
@@ -526,7 +526,7 @@ void die(const char * str, struct pt_regs * regs, long err)
if (!user_mode(regs))
show_stack(NULL, (unsigned long*)regs->areg[1]);
- add_taint(TAINT_DIE);
+ add_taint(TAINT_DIE, LOCKDEP_NOW_UNRELIABLE);
spin_unlock_irq(&die_lock);
if (in_interrupt())
diff --git a/arch/xtensa/platforms/iss/console.c b/arch/xtensa/platforms/iss/console.c
index 8207a119eee..da9866f7fec 100644
--- a/arch/xtensa/platforms/iss/console.c
+++ b/arch/xtensa/platforms/iss/console.c
@@ -58,7 +58,8 @@ static int rs_open(struct tty_struct *tty, struct file * filp)
tty->port = &serial_port;
spin_lock(&timer_lock);
if (tty->count == 1) {
- setup_timer(&serial_timer, rs_poll, (unsigned long)tty);
+ setup_timer(&serial_timer, rs_poll,
+ (unsigned long)&serial_port);
mod_timer(&serial_timer, jiffies + SERIAL_TIMER_VALUE);
}
spin_unlock(&timer_lock);
@@ -97,8 +98,7 @@ static int rs_write(struct tty_struct * tty,
static void rs_poll(unsigned long priv)
{
- struct tty_struct* tty = (struct tty_struct*) priv;
-
+ struct tty_port *port = (struct tty_port *)priv;
struct timeval tv = { .tv_sec = 0, .tv_usec = 0 };
int i = 0;
unsigned char c;
@@ -107,12 +107,12 @@ static void rs_poll(unsigned long priv)
while (__simc(SYS_select_one, 0, XTISS_SELECT_ONE_READ, (int)&tv,0,0)){
__simc (SYS_read, 0, (unsigned long)&c, 1, 0, 0);
- tty_insert_flip_char(tty, c, TTY_NORMAL);
+ tty_insert_flip_char(port, c, TTY_NORMAL);
i++;
}
if (i)
- tty_flip_buffer_push(tty);
+ tty_flip_buffer_push(port);
mod_timer(&serial_timer, jiffies + SERIAL_TIMER_VALUE);