tree 9b76934c91abcf4b3bc883e17ce698049575781d
parent 8eb9803723a14fd12675641b953e4ccbd86187a8
author Anton Blanchard <anton@samba.org> 1464523431 +1000
committer Michael Ellerman <mpe@ellerman.id.au> 1465876705 +1000

powerpc: Avoid load hit store in setup_sigcontext()

In setup_sigcontext(), we set current->thread.vrsave then use it
straight after. Since current is hidden from the compiler via inline
assembly, it cannot optimise this and we end up with a load hit store.

Fix this by using a temporary.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>