Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

[pandora-kernel.git] / arch / sparc / kernel / module.c

diff --git a/arch/sparc/kernel/module.c b/arch/sparc/kernel/module.c
index da0c6c7..e551987 100644 (file)
--- a/arch/sparc/kernel/module.c
+++ b/arch/sparc/kernel/module.c
@@ -17,6 +17,8 @@
 #include <asm/processor.h>
 #include <asm/spitfire.h>
 
+#include "entry.h"
+
 #ifdef CONFIG_SPARC64
 
 #include <linux/jump_label.h>
@@ -203,6 +205,29 @@ int apply_relocate_add(Elf_Shdr *sechdrs,
 }
 
 #ifdef CONFIG_SPARC64
+static void do_patch_sections(const Elf_Ehdr *hdr,
+                             const Elf_Shdr *sechdrs)
+{
+       const Elf_Shdr *s, *sun4v_1insn = NULL, *sun4v_2insn = NULL;
+       char *secstrings = (void *)hdr + sechdrs[hdr->e_shstrndx].sh_offset;
+
+       for (s = sechdrs; s < sechdrs + hdr->e_shnum; s++) {
+               if (!strcmp(".sun4v_1insn_patch", secstrings + s->sh_name))
+                       sun4v_1insn = s;
+               if (!strcmp(".sun4v_2insn_patch", secstrings + s->sh_name))
+                       sun4v_2insn = s;
+       }
+
+       if (sun4v_1insn && tlb_type == hypervisor) {
+               void *p = (void *) sun4v_1insn->sh_addr;
+               sun4v_patch_1insn_range(p, p + sun4v_1insn->sh_size);
+       }
+       if (sun4v_2insn && tlb_type == hypervisor) {
+               void *p = (void *) sun4v_2insn->sh_addr;
+               sun4v_patch_2insn_range(p, p + sun4v_2insn->sh_size);
+       }
+}
+
 int module_finalize(const Elf_Ehdr *hdr,
                    const Elf_Shdr *sechdrs,
                    struct module *me)
@@ -210,6 +235,8 @@ int module_finalize(const Elf_Ehdr *hdr,
        /* make jump label nops */
        jump_label_apply_nops(me);
 
+       do_patch_sections(hdr, sechdrs);
+
        /* Cheetah's I-cache is fully coherent.  */
        if (tlb_type == spitfire) {
                unsigned long va;