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Merge branch 'for-um' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal into for-3.5

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This commit is contained in:
Richard Weinberger
2012-05-21 23:25:37 +02:00
parent 875682648b ffc51be82b
commit 2ccf62b360
17 changed files with 174 additions and 299 deletions
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10
arch/um/kernel/process.c
View File

@@ -18,6 +18,7 @@
#include <linux/seq_file.h>
#include <linux/tick.h>
#include <linux/threads.h>
#include <linux/tracehook.h>
#include <asm/current.h>
#include <asm/pgtable.h>
#include <asm/mmu_context.h>
@@ -114,8 +115,13 @@ void interrupt_end(void)
{
if (need_resched())
schedule();
if (test_tsk_thread_flag(current, TIF_SIGPENDING))
if (test_thread_flag(TIF_SIGPENDING))
do_signal();
if (test_and_clear_thread_flag(TIF_NOTIFY_RESUME)) {
tracehook_notify_resume(&current->thread.regs);
if (current->replacement_session_keyring)
key_replace_session_keyring();
}
}
void exit_thread(void)
@@ -190,7 +196,7 @@ int copy_thread(unsigned long clone_flags, unsigned long sp,
if (current->thread.forking) {
memcpy(&p->thread.regs.regs, &regs->regs,
sizeof(p->thread.regs.regs));
REGS_SET_SYSCALL_RETURN(p->thread.regs.regs.gp, 0);
UPT_SET_SYSCALL_RETURN(&p->thread.regs.regs, 0);
if (sp != 0)
REGS_SP(p->thread.regs.regs.gp) = sp;

14
arch/um/kernel/signal.c
View File

@@ -29,9 +29,6 @@ static int handle_signal(struct pt_regs *regs, unsigned long signr,
unsigned long sp;
int err;
/* Always make any pending restarted system calls return -EINTR */
current_thread_info()->restart_block.fn = do_no_restart_syscall;
/* Did we come from a system call? */
if (PT_REGS_SYSCALL_NR(regs) >= 0) {
/* If so, check system call restarting.. */
@@ -77,15 +74,14 @@ static int kern_do_signal(struct pt_regs *regs)
{
struct k_sigaction ka_copy;
siginfo_t info;
sigset_t *oldset;
int sig, handled_sig = 0;
if (test_thread_flag(TIF_RESTORE_SIGMASK))
oldset = &current->saved_sigmask;
else
oldset = &current->blocked;
while ((sig = get_signal_to_deliver(&info, &ka_copy, regs, NULL)) > 0) {
sigset_t *oldset;
if (test_thread_flag(TIF_RESTORE_SIGMASK))
oldset = &current->saved_sigmask;
else
oldset = &current->blocked;
handled_sig = 1;
/* Whee! Actually deliver the signal. */
if (!handle_signal(regs, sig, &ka_copy, &info, oldset)) {

2
arch/um/kernel/skas/syscall.c
View File

@@ -34,7 +34,7 @@ void handle_syscall(struct uml_pt_regs *r)
result = -ENOSYS;
else result = EXECUTE_SYSCALL(syscall, regs);
REGS_SET_SYSCALL_RETURN(r->gp, result);
UPT_SET_SYSCALL_RETURN(r, result);
syscall_trace(r, 1);
}