aboutsummaryrefslogtreecommitdiff
path: root/arch/avr32
diff options
context:
space:
mode:
Diffstat (limited to 'arch/avr32')
-rw-r--r--arch/avr32/Kconfig7
-rw-r--r--arch/avr32/include/asm/kvm_para.h1
-rw-r--r--arch/avr32/include/asm/posix_types.h3
-rw-r--r--arch/avr32/kernel/entry-avr32b.S4
-rw-r--r--arch/avr32/kernel/signal.c43
5 files changed, 18 insertions, 40 deletions
diff --git a/arch/avr32/Kconfig b/arch/avr32/Kconfig
index 3dea7231f637..71d38c76726c 100644
--- a/arch/avr32/Kconfig
+++ b/arch/avr32/Kconfig
@@ -11,7 +11,9 @@ config AVR32
select GENERIC_ATOMIC64
select HARDIRQS_SW_RESEND
select GENERIC_IRQ_SHOW
+ select ARCH_HAVE_CUSTOM_GPIO_H
select ARCH_HAVE_NMI_SAFE_CMPXCHG
+ select GENERIC_CLOCKEVENTS
help
AVR32 is a high-performance 32-bit RISC microprocessor core,
designed for cost-sensitive embedded applications, with particular
@@ -35,9 +37,6 @@ config TRACE_IRQFLAGS_SUPPORT
config RWSEM_GENERIC_SPINLOCK
def_bool y
-config GENERIC_CLOCKEVENTS
- def_bool y
-
config RWSEM_XCHGADD_ALGORITHM
def_bool n
@@ -63,8 +62,6 @@ source "kernel/Kconfig.freezer"
menu "System Type and features"
-source "kernel/time/Kconfig"
-
config SUBARCH_AVR32B
bool
config MMU
diff --git a/arch/avr32/include/asm/kvm_para.h b/arch/avr32/include/asm/kvm_para.h
new file mode 100644
index 000000000000..14fab8f0b957
--- /dev/null
+++ b/arch/avr32/include/asm/kvm_para.h
@@ -0,0 +1 @@
+#include <asm-generic/kvm_para.h>
diff --git a/arch/avr32/include/asm/posix_types.h b/arch/avr32/include/asm/posix_types.h
index 74667bfc88cc..9ba9e749b3f3 100644
--- a/arch/avr32/include/asm/posix_types.h
+++ b/arch/avr32/include/asm/posix_types.h
@@ -17,9 +17,6 @@
typedef unsigned short __kernel_mode_t;
#define __kernel_mode_t __kernel_mode_t
-typedef unsigned short __kernel_nlink_t;
-#define __kernel_nlink_t __kernel_nlink_t
-
typedef unsigned short __kernel_ipc_pid_t;
#define __kernel_ipc_pid_t __kernel_ipc_pid_t
diff --git a/arch/avr32/kernel/entry-avr32b.S b/arch/avr32/kernel/entry-avr32b.S
index 169268c40ae2..df2884181313 100644
--- a/arch/avr32/kernel/entry-avr32b.S
+++ b/arch/avr32/kernel/entry-avr32b.S
@@ -281,7 +281,7 @@ syscall_exit_work:
ld.w r1, r0[TI_flags]
rjmp 1b
-2: mov r2, _TIF_SIGPENDING | _TIF_RESTORE_SIGMASK | _TIF_NOTIFY_RESUME
+2: mov r2, _TIF_SIGPENDING | _TIF_NOTIFY_RESUME
tst r1, r2
breq 3f
unmask_interrupts
@@ -587,7 +587,7 @@ fault_exit_work:
ld.w r1, r0[TI_flags]
rjmp fault_exit_work
-1: mov r2, _TIF_SIGPENDING | _TIF_RESTORE_SIGMASK
+1: mov r2, _TIF_SIGPENDING | _TIF_NOTIFY_RESUME
tst r1, r2
breq 2f
unmask_interrupts
diff --git a/arch/avr32/kernel/signal.c b/arch/avr32/kernel/signal.c
index ae386c304bee..c140f9b41dce 100644
--- a/arch/avr32/kernel/signal.c
+++ b/arch/avr32/kernel/signal.c
@@ -22,8 +22,6 @@
#include <asm/ucontext.h>
#include <asm/syscalls.h>
-#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
-
asmlinkage int sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss,
struct pt_regs *regs)
{
@@ -89,7 +87,6 @@ asmlinkage int sys_rt_sigreturn(struct pt_regs *regs)
if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set)))
goto badframe;
- sigdelsetmask(&set, ~_BLOCKABLE);
set_current_blocked(&set);
if (restore_sigcontext(regs, &frame->uc.uc_mcontext))
@@ -224,30 +221,27 @@ static inline void setup_syscall_restart(struct pt_regs *regs)
static inline void
handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info,
- sigset_t *oldset, struct pt_regs *regs, int syscall)
+ struct pt_regs *regs, int syscall)
{
int ret;
/*
* Set up the stack frame
*/
- ret = setup_rt_frame(sig, ka, info, oldset, regs);
+ ret = setup_rt_frame(sig, ka, info, sigmask_to_save(), regs);
/*
* Check that the resulting registers are sane
*/
ret |= !valid_user_regs(regs);
- if (ret != 0) {
- force_sigsegv(sig, current);
- return;
- }
-
/*
* Block the signal if we were successful.
*/
- block_sigmask(ka, sig);
- clear_thread_flag(TIF_RESTORE_SIGMASK);
+ if (ret != 0)
+ force_sigsegv(sig, current);
+ else
+ signal_delivered(sig, info, ka, regs, 0);
}
/*
@@ -255,7 +249,7 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info,
* doesn't want to handle. Thus you cannot kill init even with a
* SIGKILL even by mistake.
*/
-int do_signal(struct pt_regs *regs, sigset_t *oldset, int syscall)
+static void do_signal(struct pt_regs *regs, int syscall)
{
siginfo_t info;
int signr;
@@ -267,12 +261,7 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset, int syscall)
* without doing anything if so.
*/
if (!user_mode(regs))
- return 0;
-
- if (test_thread_flag(TIF_RESTORE_SIGMASK))
- oldset = &current->saved_sigmask;
- else if (!oldset)
- oldset = &current->blocked;
+ return;
signr = get_signal_to_deliver(&info, &ka, regs, NULL);
if (syscall) {
@@ -297,15 +286,11 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset, int syscall)
if (signr == 0) {
/* No signal to deliver -- 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);
- }
- return 0;
+ restore_saved_sigmask();
+ return;
}
- handle_signal(signr, &ka, &info, oldset, regs, syscall);
- return 1;
+ handle_signal(signr, &ka, &info, regs, syscall);
}
asmlinkage void do_notify_resume(struct pt_regs *regs, struct thread_info *ti)
@@ -315,13 +300,11 @@ asmlinkage void do_notify_resume(struct pt_regs *regs, struct thread_info *ti)
if ((sysreg_read(SR) & MODE_MASK) == MODE_SUPERVISOR)
syscall = 1;
- if (ti->flags & (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK))
- do_signal(regs, &current->blocked, syscall);
+ if (ti->flags & _TIF_SIGPENDING))
+ do_signal(regs, syscall);
if (ti->flags & _TIF_NOTIFY_RESUME) {
clear_thread_flag(TIF_NOTIFY_RESUME);
tracehook_notify_resume(regs);
- if (current->replacement_session_keyring)
- key_replace_session_keyring();
}
}