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Subject[PATCH 18/24] um: 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/um/include/asm/thread_info.h | 2 --
arch/x86/um/signal.c | 7 -------
2 files changed, 9 deletions(-)

diff --git a/arch/um/include/asm/thread_info.h b/arch/um/include/asm/thread_info.h
index e04114c..b30c85b 100644
--- a/arch/um/include/asm/thread_info.h
+++ b/arch/um/include/asm/thread_info.h
@@ -14,7 +14,6 @@

struct thread_info {
struct task_struct *task; /* main task structure */
- struct exec_domain *exec_domain; /* execution domain */
unsigned long flags; /* low level flags */
__u32 cpu; /* current CPU */
int preempt_count; /* 0 => preemptable,
@@ -28,7 +27,6 @@ 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/x86/um/signal.c b/arch/x86/um/signal.c
index 0c8c32b..592491d 100644
--- a/arch/x86/um/signal.c
+++ b/arch/x86/um/signal.c
@@ -549,13 +549,6 @@ int setup_signal_stack_si(unsigned long stack_top, struct ksignal *ksig,
if (err)
return err;

- /* Set up registers for signal handler */
- {
- struct exec_domain *ed = current_thread_info()->exec_domain;
- if (unlikely(ed && ed->signal_invmap && sig < 32))
- sig = ed->signal_invmap[sig];
- }
-
PT_REGS_SP(regs) = (unsigned long) frame;
PT_REGS_DI(regs) = sig;
/* In case the signal handler was declared without prototypes */
--
1.8.4.5


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