Messages in this thread Patch in this message | | | From | Andi Kleen <> | Subject | [PATCH 73/74] lto, module: Warn about modules that are not fully LTOed | Date | Sat, 18 Aug 2012 19:57:09 -0700 |
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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 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/kernel/module.c b/kernel/module.c index 2cbbae3..a8a29c4 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -1905,8 +1905,11 @@ 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)) { + printk("%s: module not link time optimized\n", + mod->name); break; + } /* We compiled with -fno-common. These are not supposed to happen. */ -- 1.7.7.6
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