The patch titled mn10300: fix application of kernel module relocations has been added to the -mm tree. Its filename is mn10300-fix-application-of-kernel-module-relocations.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find out what to do about this The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: mn10300: fix application of kernel module relocations From: Mark Salter <msalter@xxxxxxxxxx> This fixes the MN10300 kernel module linking to match the toolchain. RELA relocs don't use the value at the location being relocated. This has been working because the tools always leave the value at the target location cleared. Signed-off-by: Mark Salter <msalter@xxxxxxxxxx> Signed-off-by: David Howells <dhowells@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- arch/mn10300/kernel/module.c | 35 ++++++--------------------------- 1 file changed, 7 insertions(+), 28 deletions(-) diff -puN arch/mn10300/kernel/module.c~mn10300-fix-application-of-kernel-module-relocations arch/mn10300/kernel/module.c --- a/arch/mn10300/kernel/module.c~mn10300-fix-application-of-kernel-module-relocations +++ a/arch/mn10300/kernel/module.c @@ -1,6 +1,6 @@ /* MN10300 Kernel module helper routines * - * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. + * Copyright (C) 2007, 2008 Red Hat, Inc. All Rights Reserved. * Written by Mark Salter (msalter@xxxxxxxxxx) * - Derived from arch/i386/kernel/module.c * @@ -64,21 +64,6 @@ int module_frob_arch_sections(Elf_Ehdr * return 0; } -static uint32_t reloc_get16(uint8_t *p) -{ - return p[0] | (p[1] << 8); -} - -static uint32_t reloc_get24(uint8_t *p) -{ - return reloc_get16(p) | (p[2] << 16); -} - -static uint32_t reloc_get32(uint8_t *p) -{ - return reloc_get16(p) | (reloc_get16(p+2) << 16); -} - static void reloc_put16(uint8_t *p, uint32_t val) { p[0] = val & 0xff; @@ -144,25 +129,19 @@ int apply_relocate_add(Elf32_Shdr *sechd relocation = sym->st_value + rel[i].r_addend; switch (ELF32_R_TYPE(rel[i].r_info)) { - /* for the first four relocation types, we add the - * adjustment into the value at the location given */ + /* for the first four relocation types, we simply + * store the adjustment at the location given */ case R_MN10300_32: - value = reloc_get32(location); - value += relocation; - reloc_put32(location, value); + reloc_put32(location, relocation); break; case R_MN10300_24: - value = reloc_get24(location); - value += relocation; - reloc_put24(location, value); + reloc_put24(location, relocation); break; case R_MN10300_16: - value = reloc_get16(location); - value += relocation; - reloc_put16(location, value); + reloc_put16(location, relocation); break; case R_MN10300_8: - *location += relocation; + *location = relocation; break; /* for the next three relocation types, we write the _ Patches currently in -mm which might be from msalter@xxxxxxxxxx are mn10300-fix-application-of-kernel-module-relocations.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html