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authorRussell King <rmk+kernel@arm.linux.org.uk>2011-12-05 23:20:17 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2011-12-05 23:20:17 +0000
commit742eaa6a6e356a16788ce6530271de89bc4f8fb5 (patch)
tree12fc040daab06ac796c61c1d92bfad9bb054d1c1 /arch/sparc/kernel/module.c
parentba8bb18a03f8c7508565c385576a5431a4ad804a (diff)
parentae72fd588a2b302222769b44775912b83f0785eb (diff)
downloadlinux-742eaa6a6e356a16788ce6530271de89bc4f8fb5.tar.bz2
Merge branch 'for-rmk' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux into devel-stable
Conflicts: arch/arm/common/gic.c arch/arm/plat-omap/include/plat/common.h
Diffstat (limited to 'arch/sparc/kernel/module.c')
-rw-r--r--arch/sparc/kernel/module.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/sparc/kernel/module.c b/arch/sparc/kernel/module.c
index da0c6c70ccb2..e5519870c3d9 100644
--- 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;