[lkml]   [2018]   [Feb]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH 1/2] modpost: don't add warnings for LTO-generated symbols
On Mon, Feb 05, 2018 at 04:12:52PM +0100, Arnd Bergmann wrote:
> WARNING: vmlinux.o(.data+0x12e0): Section mismatch in reference from the variable pfkey_net_ops.lto_priv.2992 to the function .init.text:pfkey_net_init.lto_priv.2977()
> The variable pfkey_net_ops.lto_priv.2992 references
> the function __init pfkey_net_init.lto_priv.2977()
> If the reference is valid then annotate the
> variable with __init* or __refdata (see linux/init.h) or name the variable:
> *_template, *_timer, *_sht, *_ops, *_probe, *_probe_one, *_console

A better fix would be to ensure modpost always runs on already LD_FINALed
objects, so it never sees LTO.

Otherwise you would need to teach modpost about the LTO symbol table
and some other magic. I did that once, but it turned out to be very


 \ /
  Last update: 2018-02-05 16:51    [W:0.049 / U:2.128 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site