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-rw-r--r--arch/um/os-Linux/signal.c8
1 files changed, 0 insertions, 8 deletions
diff --git a/arch/um/os-Linux/signal.c b/arch/um/os-Linux/signal.c
index 1c6caa9dbd6c..52852018a3ad 100644
--- a/arch/um/os-Linux/signal.c
+++ b/arch/um/os-Linux/signal.c
@@ -487,11 +487,3 @@ void unblock_signals_hard(void)
unblocking = false;
}
#endif
-
-int os_is_signal_stack(void)
-{
- stack_t ss;
- sigaltstack(NULL, &ss);
-
- return ss.ss_flags & SS_ONSTACK;
-}