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Diffstat (limited to 'arch/ia64/kernel/signal.c')
-rw-r--r--arch/ia64/kernel/signal.c54
1 files changed, 14 insertions, 40 deletions
diff --git a/arch/ia64/kernel/signal.c b/arch/ia64/kernel/signal.c
index e1821ca4c7d..7bdafc8788b 100644
--- a/arch/ia64/kernel/signal.c
+++ b/arch/ia64/kernel/signal.c
@@ -21,7 +21,6 @@
#include <linux/unistd.h>
#include <linux/wait.h>
-#include <asm/ia32.h>
#include <asm/intrinsics.h>
#include <asm/uaccess.h>
#include <asm/rse.h>
@@ -425,14 +424,8 @@ static long
handle_signal (unsigned long sig, struct k_sigaction *ka, siginfo_t *info, sigset_t *oldset,
struct sigscratch *scr)
{
- if (IS_IA32_PROCESS(&scr->pt)) {
- /* send signal to IA-32 process */
- if (!ia32_setup_frame1(sig, ka, info, oldset, &scr->pt))
- return 0;
- } else
- /* send signal to IA-64 process */
- if (!setup_frame(sig, ka, info, oldset, scr))
- return 0;
+ if (!setup_frame(sig, ka, info, oldset, scr))
+ return 0;
spin_lock_irq(&current->sighand->siglock);
sigorsets(&current->blocked, &current->blocked, &ka->sa.sa_mask);
@@ -462,7 +455,6 @@ ia64_do_signal (struct sigscratch *scr, long in_syscall)
siginfo_t info;
long restart = in_syscall;
long errno = scr->pt.r8;
-# define ERR_CODE(c) (IS_IA32_PROCESS(&scr->pt) ? -(c) : (c))
/*
* In the ia64_leave_kernel code path, we want the common case to go fast, which
@@ -490,14 +482,7 @@ ia64_do_signal (struct sigscratch *scr, long in_syscall)
* inferior call), thus it's important to check for restarting _after_
* get_signal_to_deliver().
*/
- if (IS_IA32_PROCESS(&scr->pt)) {
- if (in_syscall) {
- if (errno >= 0)
- restart = 0;
- else
- errno = -errno;
- }
- } else if ((long) scr->pt.r10 != -1)
+ if ((long) scr->pt.r10 != -1)
/*
* A system calls has to be restarted only if one of the error codes
* ERESTARTNOHAND, ERESTARTSYS, or ERESTARTNOINTR is returned. If r10
@@ -513,22 +498,18 @@ ia64_do_signal (struct sigscratch *scr, long in_syscall)
switch (errno) {
case ERESTART_RESTARTBLOCK:
case ERESTARTNOHAND:
- scr->pt.r8 = ERR_CODE(EINTR);
+ scr->pt.r8 = EINTR;
/* note: scr->pt.r10 is already -1 */
break;
case ERESTARTSYS:
if ((ka.sa.sa_flags & SA_RESTART) == 0) {
- scr->pt.r8 = ERR_CODE(EINTR);
+ scr->pt.r8 = EINTR;
/* note: scr->pt.r10 is already -1 */
break;
}
case ERESTARTNOINTR:
- if (IS_IA32_PROCESS(&scr->pt)) {
- scr->pt.r8 = scr->pt.r1;
- scr->pt.cr_iip -= 2;
- } else
- ia64_decrement_ip(&scr->pt);
+ ia64_decrement_ip(&scr->pt);
restart = 0; /* don't restart twice if handle_signal() fails... */
}
}
@@ -555,21 +536,14 @@ ia64_do_signal (struct sigscratch *scr, long in_syscall)
if (errno == ERESTARTNOHAND || errno == ERESTARTSYS || errno == ERESTARTNOINTR
|| errno == ERESTART_RESTARTBLOCK)
{
- if (IS_IA32_PROCESS(&scr->pt)) {
- scr->pt.r8 = scr->pt.r1;
- scr->pt.cr_iip -= 2;
- if (errno == ERESTART_RESTARTBLOCK)
- scr->pt.r8 = 0; /* x86 version of __NR_restart_syscall */
- } else {
- /*
- * Note: the syscall number is in r15 which is saved in
- * pt_regs so all we need to do here is adjust ip so that
- * the "break" instruction gets re-executed.
- */
- ia64_decrement_ip(&scr->pt);
- if (errno == ERESTART_RESTARTBLOCK)
- scr->pt.r15 = __NR_restart_syscall;
- }
+ /*
+ * Note: the syscall number is in r15 which is saved in
+ * pt_regs so all we need to do here is adjust ip so that
+ * the "break" instruction gets re-executed.
+ */
+ ia64_decrement_ip(&scr->pt);
+ if (errno == ERESTART_RESTARTBLOCK)
+ scr->pt.r15 = __NR_restart_syscall;
}
}