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Subject[PATCH 13/24] mn10300: Remove signal translation and exec_domain
Date
As execution domain support is gone we can remove
signal translation from the signal code and remove
exec_domain from thread_info.

Signed-off-by: Richard Weinberger <richard@nod.at>
---
arch/mn10300/include/asm/thread_info.h | 2 --
arch/mn10300/kernel/asm-offsets.c | 2 --
arch/mn10300/kernel/signal.c | 20 ++++----------------
3 files changed, 4 insertions(+), 20 deletions(-)

diff --git a/arch/mn10300/include/asm/thread_info.h b/arch/mn10300/include/asm/thread_info.h
index c1c374f..4861a78 100644
--- a/arch/mn10300/include/asm/thread_info.h
+++ b/arch/mn10300/include/asm/thread_info.h
@@ -40,7 +40,6 @@ typedef struct {

struct thread_info {
struct task_struct *task; /* main task structure */
- struct exec_domain *exec_domain; /* execution domain */
struct pt_regs *frame; /* current exception frame */
unsigned long flags; /* low level flags */
__u32 cpu; /* current CPU */
@@ -74,7 +73,6 @@ struct thread_info {
#define INIT_THREAD_INFO(tsk) \
{ \
.task = &tsk, \
- .exec_domain = &default_exec_domain, \
.flags = 0, \
.cpu = 0, \
.preempt_count = INIT_PREEMPT_COUNT, \
diff --git a/arch/mn10300/kernel/asm-offsets.c b/arch/mn10300/kernel/asm-offsets.c
index d780670..e5a61c6 100644
--- a/arch/mn10300/kernel/asm-offsets.c
+++ b/arch/mn10300/kernel/asm-offsets.c
@@ -22,7 +22,6 @@ void foo(void)
BLANK();

OFFSET(TI_task, thread_info, task);
- OFFSET(TI_exec_domain, thread_info, exec_domain);
OFFSET(TI_frame, thread_info, frame);
OFFSET(TI_flags, thread_info, flags);
OFFSET(TI_cpu, thread_info, cpu);
@@ -85,7 +84,6 @@ void foo(void)
DEFINE(SIGCHLD_asm, SIGCHLD);
BLANK();

- OFFSET(EXEC_DOMAIN_handler, exec_domain, handler);
OFFSET(RT_SIGFRAME_sigcontext, rt_sigframe, uc.uc_mcontext);

DEFINE(PAGE_SIZE_asm, PAGE_SIZE);
diff --git a/arch/mn10300/kernel/signal.c b/arch/mn10300/kernel/signal.c
index 8609845..dfd0301 100644
--- a/arch/mn10300/kernel/signal.c
+++ b/arch/mn10300/kernel/signal.c
@@ -202,20 +202,14 @@ static int setup_frame(struct ksignal *ksig, sigset_t *set,
struct pt_regs *regs)
{
struct sigframe __user *frame;
- int rsig, sig = ksig->sig;
+ int sig = ksig->sig;

frame = get_sigframe(ksig, regs, sizeof(*frame));

if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
return -EFAULT;

- rsig = sig;
- if (sig < 32 &&
- current_thread_info()->exec_domain &&
- current_thread_info()->exec_domain->signal_invmap)
- rsig = current_thread_info()->exec_domain->signal_invmap[sig];
-
- if (__put_user(rsig, &frame->sig) < 0 ||
+ if (__put_user(sig, &frame->sig) < 0 ||
__put_user(&frame->sc, &frame->psc) < 0)
return -EFAULT;

@@ -270,20 +264,14 @@ static int setup_rt_frame(struct ksignal *ksig, sigset_t *set,
struct pt_regs *regs)
{
struct rt_sigframe __user *frame;
- int rsig, sig = ksig->sig;
+ int sig = ksig->sig;

frame = get_sigframe(ksig, regs, sizeof(*frame));

if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
return -EFAULT;

- rsig = sig;
- if (sig < 32 &&
- current_thread_info()->exec_domain &&
- current_thread_info()->exec_domain->signal_invmap)
- rsig = current_thread_info()->exec_domain->signal_invmap[sig];
-
- if (__put_user(rsig, &frame->sig) ||
+ if (__put_user(sig, &frame->sig) ||
__put_user(&frame->info, &frame->pinfo) ||
__put_user(&frame->uc, &frame->puc) ||
copy_siginfo_to_user(&frame->info, &ksig->info))
--
1.8.4.5


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