diff options
| author | David S. Miller <davem@davemloft.net> | 2016-03-01 00:25:32 -0500 |
|---|---|---|
| committer | Sasha Levin <sasha.levin@oracle.com> | 2016-07-10 23:07:30 -0400 |
| commit | dc316fc9cbd77586c674e92288ece8383b738dac (patch) | |
| tree | edc1d1cb2e7c135c17a99dc7d07039a8e4b2a78a | |
| parent | 25f7f80eabe7a0553851990c8367aab1533b7021 (diff) | |
sparc64: Fix sparc64_set_context stack handling.
[ Upstream commit 397d1533b6cce0ccb5379542e2e6d079f6936c46 ]
Like a signal return, we should use synchronize_user_stack() rather
than flush_user_windows().
Reported-by: Ilya Malakhov <ilmalakhovthefirst@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
| -rw-r--r-- | arch/sparc/kernel/signal_64.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/sparc/kernel/signal_64.c b/arch/sparc/kernel/signal_64.c index d88beff47bab..39aaec173f66 100644 --- 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)))) |