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Subject[PATCH 21/24] xtensa: 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/xtensa/include/asm/thread_info.h | 2 --
arch/xtensa/kernel/signal.c | 11 ++---------
2 files changed, 2 insertions(+), 11 deletions(-)

diff --git a/arch/xtensa/include/asm/thread_info.h b/arch/xtensa/include/asm/thread_info.h
index a9b5d3b..d120278 100644
--- a/arch/xtensa/include/asm/thread_info.h
+++ b/arch/xtensa/include/asm/thread_info.h
@@ -44,7 +44,6 @@ typedef struct xtregs_coprocessor {

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 */
@@ -83,7 +82,6 @@ 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/xtensa/kernel/signal.c b/arch/xtensa/kernel/signal.c
index 3d733ba..1785c4d 100644
--- a/arch/xtensa/kernel/signal.c
+++ b/arch/xtensa/kernel/signal.c
@@ -336,7 +336,6 @@ static int setup_frame(struct ksignal *ksig, sigset_t *set,
{
struct rt_sigframe *frame;
int err = 0, sig = ksig->sig;
- int signal;
unsigned long sp, ra, tp;

sp = regs->areg[1];
@@ -354,12 +353,6 @@ static int setup_frame(struct ksignal *ksig, sigset_t *set,
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;
-
if (ksig->ka.sa.sa_flags & SA_SIGINFO) {
err |= copy_siginfo_to_user(&frame->info, &ksig->info);
}
@@ -400,7 +393,7 @@ static int setup_frame(struct ksignal *ksig, sigset_t *set,
* Note: PS.CALLINC is set to one by start_thread
*/
regs->areg[4] = (((unsigned long) ra) & 0x3fffffff) | 0x40000000;
- regs->areg[6] = (unsigned long) signal;
+ regs->areg[6] = (unsigned long) sig;
regs->areg[7] = (unsigned long) &frame->info;
regs->areg[8] = (unsigned long) &frame->uc;
regs->threadptr = tp;
@@ -412,7 +405,7 @@ static int setup_frame(struct ksignal *ksig, sigset_t *set,

#if DEBUG_SIG
printk("SIG rt deliver (%s:%d): signal=%d sp=%p pc=%08x\n",
- current->comm, current->pid, signal, frame, regs->pc);
+ current->comm, current->pid, sig, frame, regs->pc);
#endif

return 0;
--
1.8.4.5


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