Messages in this thread Patch in this message |  | | From | Andi Kleen <> | Subject | [PATCH 18/19] lto, module: Warn about modules that are not fully LTOed | Date | Fri, 14 Feb 2014 22:21:42 +0100 |
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From: Andi Kleen <ak@linux.intel.com>
When __gnu_lto_* is present that means that the module hasn't run with LTO yet.
Cc: rusty@rustcorp.com.au Signed-off-by: Andi Kleen <ak@linux.intel.com> --- kernel/module.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/kernel/module.c b/kernel/module.c index b99e801..4f3eff7 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -1949,8 +1949,11 @@ static int simplify_symbols(struct module *mod, const struct load_info *info) switch (sym[i].st_shndx) { case SHN_COMMON: /* Ignore common symbols */ - if (!strncmp(name, "__gnu_lto", 9)) + if (!strncmp(name, "__gnu_lto", 9)) { + pr_info("%s: module not link time optimized\n", + mod->name); break; + } /* We compiled with -fno-common. These are not supposed to happen. */ -- 1.8.5.2
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