powerpc/8xx: Fix user space TLB walk in dcbX fixup
authorJoakim Tjernlund <joakim.tjernlund@transmode.se>
Fri, 8 Jan 2010 06:46:26 +0000 (06:46 +0000)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Fri, 15 Jan 2010 02:26:16 +0000 (13:26 +1100)
commit061ec9599f7ea515a3f08cd5cb74a03b2f9c56d2
treeb078ad67594cc2794914e85e9fbbdb5642a0ff9d
parent3e7b484354c8f60c12119c1c5174ef354696c30d
powerpc/8xx: Fix user space TLB walk in dcbX fixup

The newly added fixup for buggy dcbX insn's has
a bug that always trigger a kernel TLB walk so a user space
dcbX insn will cause a Kernel Machine Check if it hits DTLB error.

Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
arch/powerpc/kernel/head_8xx.S