[POWERPC] iSeries: Clean up lparmap mess

We need to have xLparMap in head_64.S so that it is at a fixed address
(because the linker will not resolve (address & 0xffffffff) for us).
But the assembler miscalculates the KERNEL_VSID() expressions.  So put
the confusing expressions into asm-offsets.c.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 8 insertions, 0 deletions

diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c
index 2cb1d9487796..a40805328f9b 100644
--- a/arch/powerpc/kernel/asm-offsets.c
+++ b/arch/powerpc/kernel/asm-offsets.c
@@ -312,5 +312,13 @@ int main(void)
 #ifdef CONFIG_BUG
         DEFINE(BUG_ENTRY_SIZE, sizeof(struct bug_entry));
 #endif
+
+#ifdef CONFIG_PPC_ISERIES
+        /* the assembler miscalculates the VSID values */
+        DEFINE(PAGE_OFFSET_ESID, GET_ESID(PAGE_OFFSET));
+        DEFINE(PAGE_OFFSET_VSID, KERNEL_VSID(PAGE_OFFSET));
+        DEFINE(VMALLOC_START_ESID, GET_ESID(VMALLOC_START));
+        DEFINE(VMALLOC_START_VSID, KERNEL_VSID(VMALLOC_START));
+#endif
         return 0;
 }