aboutsummaryrefslogtreecommitdiffstats
path: root/arch/nios2
diff options
context:
space:
mode:
Diffstat (limited to 'arch/nios2')
-rw-r--r--arch/nios2/include/asm/thread_info.h4
-rw-r--r--arch/nios2/include/uapi/asm/Kbuild1
-rw-r--r--arch/nios2/include/uapi/asm/ptrace.h9
-rw-r--r--arch/nios2/kernel/entry.S2
-rw-r--r--arch/nios2/kernel/process.c1
-rw-r--r--arch/nios2/kernel/signal.c2
-rw-r--r--arch/nios2/mm/cacheflush.c3
-rw-r--r--arch/nios2/mm/fault.c6
8 files changed, 9 insertions, 19 deletions
diff --git a/arch/nios2/include/asm/thread_info.h b/arch/nios2/include/asm/thread_info.h
index 1f266575beb5..a16e55cbd8ad 100644
--- a/arch/nios2/include/asm/thread_info.h
+++ b/arch/nios2/include/asm/thread_info.h
@@ -47,7 +47,6 @@ struct thread_info {
0-0x7FFFFFFF for user-thead
0-0xFFFFFFFF for kernel-thread
*/
- struct restart_block restart_block;
struct pt_regs *regs;
};
@@ -64,9 +63,6 @@ struct thread_info {
.cpu = 0, \
.preempt_count = INIT_PREEMPT_COUNT, \
.addr_limit = KERNEL_DS, \
- .restart_block = { \
- .fn = do_no_restart_syscall, \
- }, \
}
#define init_thread_info (init_thread_union.thread_info)
diff --git a/arch/nios2/include/uapi/asm/Kbuild b/arch/nios2/include/uapi/asm/Kbuild
index 376131194cc3..e0bb972a50d7 100644
--- a/arch/nios2/include/uapi/asm/Kbuild
+++ b/arch/nios2/include/uapi/asm/Kbuild
@@ -1,6 +1,5 @@
include include/uapi/asm-generic/Kbuild.asm
header-y += elf.h
-header-y += ucontext.h
generic-y += ucontext.h
diff --git a/arch/nios2/include/uapi/asm/ptrace.h b/arch/nios2/include/uapi/asm/ptrace.h
index 71a330597adf..eff00e67c0a2 100644
--- a/arch/nios2/include/uapi/asm/ptrace.h
+++ b/arch/nios2/include/uapi/asm/ptrace.h
@@ -60,12 +60,17 @@
#define PTR_IPENDING 37
#define PTR_CPUID 38
#define PTR_CTL6 39
-#define PTR_CTL7 40
+#define PTR_EXCEPTION 40
#define PTR_PTEADDR 41
#define PTR_TLBACC 42
#define PTR_TLBMISC 43
+#define PTR_ECCINJ 44
+#define PTR_BADADDR 45
+#define PTR_CONFIG 46
+#define PTR_MPUBASE 47
+#define PTR_MPUACC 48
-#define NUM_PTRACE_REG (PTR_TLBMISC + 1)
+#define NUM_PTRACE_REG (PTR_MPUACC + 1)
/* User structures for general purpose registers. */
struct user_pt_regs {
diff --git a/arch/nios2/kernel/entry.S b/arch/nios2/kernel/entry.S
index 7729bd3f2e79..27b006c52e12 100644
--- a/arch/nios2/kernel/entry.S
+++ b/arch/nios2/kernel/entry.S
@@ -161,7 +161,7 @@ ENTRY(inthandler)
***********************************************************************
*/
ENTRY(handle_trap)
- ldw r24, -4(ea) /* instruction that caused the exception */
+ ldwio r24, -4(ea) /* instruction that caused the exception */
srli r24, r24, 4
andi r24, r24, 0x7c
movia r9,trap_table
diff --git a/arch/nios2/kernel/process.c b/arch/nios2/kernel/process.c
index 0e075b5ad2a5..2f8c74f93e70 100644
--- a/arch/nios2/kernel/process.c
+++ b/arch/nios2/kernel/process.c
@@ -94,7 +94,6 @@ void show_regs(struct pt_regs *regs)
void flush_thread(void)
{
- set_fs(USER_DS);
}
int copy_thread(unsigned long clone_flags,
diff --git a/arch/nios2/kernel/signal.c b/arch/nios2/kernel/signal.c
index dda41e4fe707..20662b0f6c9e 100644
--- a/arch/nios2/kernel/signal.c
+++ b/arch/nios2/kernel/signal.c
@@ -43,7 +43,7 @@ static inline int rt_restore_ucontext(struct pt_regs *regs,
int err;
/* Always make any pending restarted system calls return -EINTR */
- current_thread_info()->restart_block.fn = do_no_restart_syscall;
+ current->restart_block.fn = do_no_restart_syscall;
err = __get_user(temp, &uc->uc_mcontext.version);
if (temp != MCONTEXT_VERSION)
diff --git a/arch/nios2/mm/cacheflush.c b/arch/nios2/mm/cacheflush.c
index 2ae482b42669..796642932e2e 100644
--- a/arch/nios2/mm/cacheflush.c
+++ b/arch/nios2/mm/cacheflush.c
@@ -23,9 +23,6 @@ static void __flush_dcache(unsigned long start, unsigned long end)
end += (cpuinfo.dcache_line_size - 1);
end &= ~(cpuinfo.dcache_line_size - 1);
- if (end > start + cpuinfo.dcache_size)
- end = start + cpuinfo.dcache_size;
-
for (addr = start; addr < end; addr += cpuinfo.dcache_line_size) {
__asm__ __volatile__ (" flushda 0(%0)\n"
: /* Outputs */
diff --git a/arch/nios2/mm/fault.c b/arch/nios2/mm/fault.c
index 0d231adfe576..0c9b6afe69e9 100644
--- a/arch/nios2/mm/fault.c
+++ b/arch/nios2/mm/fault.c
@@ -126,7 +126,6 @@ good_area:
break;
}
-survive:
/*
* If for any reason at all we couldn't handle the fault,
* make sure we exit gracefully rather than endlessly redo
@@ -220,11 +219,6 @@ no_context:
*/
out_of_memory:
up_read(&mm->mmap_sem);
- if (is_global_init(tsk)) {
- yield();
- down_read(&mm->mmap_sem);
- goto survive;
- }
if (!user_mode(regs))
goto no_context;
pagefault_out_of_memory();