tree a3382764e95b0b760e667f43ddd88d7628c746d7
parent 59a3759d0fe8d969888c741bb33f4946e4d3750d
author Hideo Saito <hsaito.ppc@gmail.com> 1243179214 +0000
committer Benjamin Herrenschmidt <benh@kernel.crashing.org> 1243309609 +1000

powerpc/mm: Fix broken MMU PID stealing on !SMP

The recent rework of the MMU PID handling for non-hash CPUs has a
subtle bug in the !SMP "optimized" variant of the PID stealing
function.  It clears the PID in the mm context before it calls
local_flush_tlb_mm(). However, the later will not flush anything
if the PID in the context is clear...

Signed-off-by: Hideo Saito <hsaito.ppc@gmail.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>