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Josh Poimboeuf e390f9a968 objtool, modules: Discard objtool annotation sections for modules 
The '__unreachable' and '__func_stack_frame_non_standard' sections are
only used at compile time.  They're discarded for vmlinux but they
should also be discarded for modules.

Since this is a recurring pattern, prefix the section names with
".discard.".  It's a nice convention and vmlinux.lds.h already discards
such sections.

Also remove the 'a' (allocatable) flag from the __unreachable section
since it doesn't make sense for a discarded section.

Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Jessica Yu <jeyu@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Fixes: d1091c7fa3 ("objtool: Improve detection of BUG() and other dead ends")
Link: http://lkml.kernel.org/r/20170301180444.lhd53c5tibc4ns77@treble
Signed-off-by: Ingo Molnar <mingo@kernel.org>
 		2017-03-01 20:32:25 +01:00
..
.gitignore kbuild: trivial - remove trailing empty lines 2014-06-10 00:04:06 +02:00
Makefile objtool: Mark non-standard object files and directories 2016-02-29 08:35:02 +01:00
devicetable-offsets.c staging: fsl-mc: add support for device table matching 2016-06-26 17:14:03 -07:00
empty.c
…
file2alias.c staging: fsl-mc: add support for device table matching 2016-06-26 17:14:03 -07:00
mk_elfconfig.c kbuild: trivial - remove trailing empty lines 2014-06-10 00:04:06 +02:00
modpost.c objtool, modules: Discard objtool annotation sections for modules 2017-03-01 20:32:25 +01:00
modpost.h Avoid conflict with host definitions when cross-compiling 2015-08-20 14:55:54 +02:00
sumversion.c kbuild: trivial - use tabs for code indent where possible 2014-06-10 14:00:53 +02:00