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authorLinus Torvalds <torvalds@linux-foundation.org>2009-01-28 08:41:57 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-28 08:41:57 -0800
commit78a768b6ca40e104442ade090226ed4ee0e6cebf (patch)
treef20e2d78107edd3f4247350b5e6d2e2560bff9d8 /arch/m68knommu/kernel/signal.c
parentd8204ee2ad1c9babd7e33d4c118ec99a78a8442e (diff)
parentadd8240eedb586b9d885c324db7f98fc1a470f9f (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu: m68knommu: fix 5329 ColdFire periphal addressing uclinux: add process name to allocation error message m68knommu: correct the mii calculations for 532x ColdFire FEC m68knommu: add ColdFire M532x to the FEC configuration options m68knommu: fix syscall restarting m68knommu: remove the obsolete and long unused comempci chip support m68knommu: remove the no longer used PCI support option m68knommu: remove obsolete and unused eLIA board m68knommu: set NO_DMA m68knommu: fix cache flushing for the 527x ColdFire processors m68knommu: fix ColdFire 5272 serial baud rates in mcf.c m68knommu: use one exist from execption
Diffstat (limited to 'arch/m68knommu/kernel/signal.c')
-rw-r--r--arch/m68knommu/kernel/signal.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/m68knommu/kernel/signal.c b/arch/m68knommu/kernel/signal.c
index bbfcae9e52b..5ab6a04af14 100644
--- a/arch/m68knommu/kernel/signal.c
+++ b/arch/m68knommu/kernel/signal.c
@@ -279,6 +279,9 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext *usc, void *fp,
struct sigcontext context;
int err = 0;
+ /* Always make any pending restarted system calls return -EINTR */
+ current_thread_info()->restart_block.fn = do_no_restart_syscall;
+
/* get previous context */
if (copy_from_user(&context, usc, sizeof(context)))
goto badframe;
@@ -316,6 +319,9 @@ rt_restore_ucontext(struct pt_regs *regs, struct switch_stack *sw,
unsigned long usp;
int err;
+ /* Always make any pending restarted system calls return -EINTR */
+ current_thread_info()->restart_block.fn = do_no_restart_syscall;
+
err = __get_user(temp, &uc->uc_mcontext.version);
if (temp != MCONTEXT_VERSION)
goto badframe;
@@ -692,6 +698,15 @@ handle_restart(struct pt_regs *regs, struct k_sigaction *ka, int has_handler)
regs->d0 = -EINTR;
break;
+ case -ERESTART_RESTARTBLOCK:
+ if (!has_handler) {
+ regs->d0 = __NR_restart_syscall;
+ regs->pc -= 2;
+ break;
+ }
+ regs->d0 = -EINTR;
+ break;
+
case -ERESTARTSYS:
if (has_handler && !(ka->sa.sa_flags & SA_RESTART)) {
regs->d0 = -EINTR;