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sparc64: Fix sparc64_set_context stack handling.
[firefly-linux-kernel-4.4.55.git]
/
arch
/
sparc
/
kernel
/
signal_64.c
diff --git
a/arch/sparc/kernel/signal_64.c
b/arch/sparc/kernel/signal_64.c
index d88beff47bab3eb74fece39e282f7c701ab84868..39aaec173f66ebce88fe7953c99b412f5b07cc3d 100644
(file)
--- a/
arch/sparc/kernel/signal_64.c
+++ b/
arch/sparc/kernel/signal_64.c
@@
-52,7
+52,7
@@
asmlinkage void sparc64_set_context(struct pt_regs *regs)
unsigned char fenab;
int err;
-
flush_user_windows
();
+
synchronize_user_stack
();
if (get_thread_wsaved() ||
(((unsigned long)ucp) & (sizeof(unsigned long)-1)) ||
(!__access_ok(ucp, sizeof(*ucp))))