Commit-ID: aec58bafaf89279522c44ec8ca9211eabb2b6976 Gitweb: http://git.kernel.org/tip/aec58bafaf89279522c44ec8ca9211eabb2b6976 Author: Kees Cook <[email protected]> AuthorDate: Tue, 15 Oct 2013 23:43:14 -0700 Committer: Ingo Molnar <[email protected]> CommitDate: Fri, 18 Oct 2013 08:45:09 +0200
x86/relocs: Add percpu fixup for GNU ld 2.23 The GNU linker tries to put __per_cpu_load into the percpu area, resulting in a lack of its relocation. Force this symbol to be relocated. Seen starting with GNU ld 2.23 and later. Reported-by: Ingo Molnar <[email protected]> Signed-off-by: Kees Cook <[email protected]> Cc: Michael Davidson <[email protected]> Cc: Cong Ding <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]> --- arch/x86/tools/relocs.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/tools/relocs.c b/arch/x86/tools/relocs.c index 71a2533..11f9285 100644 --- a/arch/x86/tools/relocs.c +++ b/arch/x86/tools/relocs.c @@ -729,6 +729,7 @@ static void percpu_init(void) * * The GNU linker incorrectly associates: * __init_begin + * __per_cpu_load * * The "gold" linker incorrectly associates: * init_per_cpu__irq_stack_union @@ -738,6 +739,7 @@ static int is_percpu_sym(ElfW(Sym) *sym, const char *symname) { return (sym->st_shndx == per_cpu_shndx) && strcmp(symname, "__init_begin") && + strcmp(symname, "__per_cpu_load") && strncmp(symname, "init_per_cpu_", 13); } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
