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| author | Josh Poimboeuf <jpoimboe@redhat.com> | 2016-02-28 22:22:42 -0600 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-02-29 08:35:13 +0100 |
| commit | b9ab5ebb14ec389bd80f66613f1fe3f8f65f2521 (patch) | |
| tree | e7c31bac2c2bec5e8b3b2192b4f116c0204eb015 /arch/Kconfig | |
| parent | 442f04c34a1a467759d024a1d2c1df0f744dcb06 (diff) | |
| download | linux-0-day-b9ab5ebb14ec389bd80f66613f1fe3f8f65f2521.tar.gz linux-0-day-b9ab5ebb14ec389bd80f66613f1fe3f8f65f2521.tar.xz | |
objtool: Add CONFIG_STACK_VALIDATION option
Add a CONFIG_STACK_VALIDATION option which will run "objtool check" for
each .o file to ensure the validity of its stack metadata.
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Bernd Petrovitsch <bernd@petrovitsch.priv.at>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Chris J Arges <chris.j.arges@canonical.com>
Cc: Jiri Slaby <jslaby@suse.cz>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Michal Marek <mmarek@suse.cz>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Pedro Alves <palves@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: live-patching@vger.kernel.org
Link: http://lkml.kernel.org/r/92baab69a6bf9bc7043af0bfca9fb964a1d45546.1456719558.git.jpoimboe@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/Kconfig')
| -rw-r--r-- | arch/Kconfig | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/Kconfig b/arch/Kconfig index f6b649d88ec82..81869a5e7e174 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -583,6 +583,12 @@ config HAVE_COPY_THREAD_TLS normal C parameter passing, rather than extracting the syscall argument from pt_regs. +config HAVE_STACK_VALIDATION + bool + help + Architecture supports the 'objtool check' host tool command, which + performs compile-time stack metadata validation. + # # ABI hall of shame # |