[SPARC64]: Sanitize %pstate writes for sun4v.

If we're just switching between different alternate global
sets, nop it out on sun4v.  Also, get rid of all of the
alternate global save/restore in the OBP CIF trampoline code.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 0 deletions

diff --git a/arch/sparc64/kernel/vmlinux.lds.S b/arch/sparc64/kernel/vmlinux.lds.S
index 482d1ed87f4d..686bf6b3b03f 100644
--- a/arch/sparc64/kernel/vmlinux.lds.S
+++ b/arch/sparc64/kernel/vmlinux.lds.S
@@ -80,6 +80,9 @@ SECTIONS
   __gl_1insn_patch = .;
   .gl_1insn_patch : { *(.gl_1insn_patch) }
   __gl_1insn_patch_end = .;
+  __gl_2insn_patch = .;
+  .gl_2insn_patch : { *(.gl_2insn_patch) }
+  __gl_2insn_patch_end = .;
   . = ALIGN(8192); 
   __initramfs_start = .;
   .init.ramfs : { *(.init.ramfs) }