summaryrefslogtreecommitdiffstats
path: root/arch/blackfin/kernel/signal.c
diff options
context:
space:
mode:
authorGrant Likely <grant.likely@secretlab.ca>2010-01-28 14:38:25 -0700
committerGrant Likely <grant.likely@secretlab.ca>2010-01-28 14:38:25 -0700
commit0ada0a73120c28cc432bcdbac061781465c2f48f (patch)
treed17cadd4ea47e25d9e48e7d409a39c84268fbd27 /arch/blackfin/kernel/signal.c
parent6016a363f6b56b46b24655bcfc0499b715851cf3 (diff)
parent92dcffb916d309aa01778bf8963a6932e4014d07 (diff)
Merge commit 'v2.6.33-rc5' into secretlab/test-devicetree
Diffstat (limited to 'arch/blackfin/kernel/signal.c')
-rw-r--r--arch/blackfin/kernel/signal.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/blackfin/kernel/signal.c b/arch/blackfin/kernel/signal.c
index 9d90c18fab2..e0fd63e9e38 100644
--- a/arch/blackfin/kernel/signal.c
+++ b/arch/blackfin/kernel/signal.c
@@ -12,6 +12,7 @@
#include <linux/binfmts.h>
#include <linux/freezer.h>
#include <linux/uaccess.h>
+#include <linux/tracehook.h>
#include <asm/cacheflush.h>
#include <asm/ucontext.h>
@@ -332,3 +333,20 @@ asmlinkage void do_signal(struct pt_regs *regs)
sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
}
}
+
+/*
+ * notification of userspace execution resumption
+ */
+asmlinkage void do_notify_resume(struct pt_regs *regs)
+{
+ if (test_thread_flag(TIF_SIGPENDING) || test_thread_flag(TIF_RESTORE_SIGMASK))
+ do_signal(regs);
+
+ if (test_thread_flag(TIF_NOTIFY_RESUME)) {
+ clear_thread_flag(TIF_NOTIFY_RESUME);
+ tracehook_notify_resume(regs);
+ if (current->replacement_session_keyring)
+ key_replace_session_keyring();
+ }
+}
+