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microblaze: Remove signal translation and exec_domain

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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>
This commit is contained in:
Richard Weinberger
2014-07-13 17:21:49 +02:00
parent a0075cd1cb
commit 6140de5aae
2 changed files with 1 additions and 10 deletions
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2
arch/microblaze/include/asm/thread_info.h
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@@ -65,7 +65,6 @@ typedef struct {
struct thread_info { struct thread_info {
struct task_struct *task; /* main task structure */ struct task_struct *task; /* main task structure */
struct exec_domain *exec_domain; /* execution domain */
unsigned long flags; /* low level flags */ unsigned long flags; /* low level flags */
unsigned long status; /* thread-synchronous flags */ unsigned long status; /* thread-synchronous flags */
__u32 cpu; /* current CPU */ __u32 cpu; /* current CPU */
@@ -81,7 +80,6 @@ struct thread_info {
#define INIT_THREAD_INFO(tsk) \ #define INIT_THREAD_INFO(tsk) \
{ \ { \
.task = &tsk, \ .task = &tsk, \
.exec_domain = &default_exec_domain, \
.flags = 0, \ .flags = 0, \
.cpu = 0, \ .cpu = 0, \
.preempt_count = INIT_PREEMPT_COUNT, \ .preempt_count = INIT_PREEMPT_COUNT, \

9
arch/microblaze/kernel/signal.c
View File

@@ -158,7 +158,6 @@ static int setup_rt_frame(struct ksignal *ksig, sigset_t *set,
{ {
struct rt_sigframe __user *frame; struct rt_sigframe __user *frame;
int err = 0, sig = ksig->sig; int err = 0, sig = ksig->sig;
unsigned long signal;
unsigned long address = 0; unsigned long address = 0;
#ifdef CONFIG_MMU #ifdef CONFIG_MMU
pmd_t *pmdp; pmd_t *pmdp;
@@ -170,12 +169,6 @@ static int setup_rt_frame(struct ksignal *ksig, sigset_t *set,
if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame))) if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
return -EFAULT; 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]
: (unsigned long)sig;
if (ksig->ka.sa.sa_flags & SA_SIGINFO) if (ksig->ka.sa.sa_flags & SA_SIGINFO)
err |= copy_siginfo_to_user(&frame->info, &ksig->info); err |= copy_siginfo_to_user(&frame->info, &ksig->info);
@@ -230,7 +223,7 @@ static int setup_rt_frame(struct ksignal *ksig, sigset_t *set,
regs->r1 = (unsigned long) frame; regs->r1 = (unsigned long) frame;
/* Signal handler args: */ /* Signal handler args: */
regs->r5 = signal; /* arg 0: signum */ regs->r5 = sig; /* arg 0: signum */
regs->r6 = (unsigned long) &frame->info; /* arg 1: siginfo */ regs->r6 = (unsigned long) &frame->info; /* arg 1: siginfo */
regs->r7 = (unsigned long) &frame->uc; /* arg2: ucontext */ regs->r7 = (unsigned long) &frame->uc; /* arg2: ucontext */
/* Offset to handle microblaze rtid r14, 0 */ /* Offset to handle microblaze rtid r14, 0 */