[PATCH 10/24] m32r: Remove signal translation and exec_domain

From: Richard Weinberger
Date: Sat Apr 11 2015 - 16:49:12 EST


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@xxxxxx>
---
arch/m32r/include/asm/thread_info.h | 2 --
arch/m32r/kernel/signal.c | 12 +++---------
2 files changed, 3 insertions(+), 11 deletions(-)

diff --git a/arch/m32r/include/asm/thread_info.h b/arch/m32r/include/asm/thread_info.h
index 034d1ab..f630d9c 100644
--- a/arch/m32r/include/asm/thread_info.h
+++ b/arch/m32r/include/asm/thread_info.h
@@ -24,7 +24,6 @@

struct thread_info {
struct task_struct *task; /* main task structure */
- struct exec_domain *exec_domain; /* execution domain */
unsigned long flags; /* low level flags */
unsigned long status; /* thread-synchronous flags */
__u32 cpu; /* current CPU */
@@ -50,7 +49,6 @@ 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/m32r/kernel/signal.c b/arch/m32r/kernel/signal.c
index 7736c66..318d8fd 100644
--- a/arch/m32r/kernel/signal.c
+++ b/arch/m32r/kernel/signal.c
@@ -172,20 +172,14 @@ static int setup_rt_frame(struct ksignal *ksig, sigset_t *set,
{
struct rt_sigframe __user *frame;
int err = 0;
- int signal, sig = ksig->sig;
+ int sig = ksig->sig;

frame = get_sigframe(ksig, regs->spu, sizeof(*frame));

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

- signal = current_thread_info()->exec_domain
- && current_thread_info()->exec_domain->signal_invmap
- && sig < 32
- ? current_thread_info()->exec_domain->signal_invmap[sig]
- : sig;
-
- err |= __put_user(signal, &frame->sig);
+ err |= __put_user(sig, &frame->sig);
if (err)
return -EFAULT;

@@ -209,7 +203,7 @@ static int setup_rt_frame(struct ksignal *ksig, sigset_t *set,

/* Set up registers for signal handler */
regs->spu = (unsigned long)frame;
- regs->r0 = signal; /* Arg for signal handler */
+ regs->r0 = sig; /* Arg for signal handler */
regs->r1 = (unsigned long)&frame->info;
regs->r2 = (unsigned long)&frame->uc;
regs->bpc = (unsigned long)ksig->ka.sa.sa_handler;
--
1.8.4.5

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