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| author | Peter Zijlstra <peterz@infradead.org> | 2018-01-16 12:24:06 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-03-15 12:56:55 +0300 |
| commit | 40693bd709b5f13365047a9b56f3adda690bc774 (patch) | |
| tree | 2330c772e28e1e8ece3c6478cc651050c52cbac3 /block/blk-wbt.c | |
| parent | e1861c9e956835337daaba682ee231430271d3af (diff) | |
| download | linux-40693bd709b5f13365047a9b56f3adda690bc774.tar.xz | |
objtool: Add retpoline validation
commit b5bc2231b8ad4387c9641f235ca0ad8cd300b6df upstream.
David requested a objtool validation pass for CONFIG_RETPOLINE=y enabled
builds, where it validates no unannotated indirect jumps or calls are
left.
Add an additional .discard.retpoline_safe section to allow annotating
the few indirect sites that are required and safe.
Requested-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: David Woodhouse <dwmw@amazon.co.uk>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Arjan van de Ven <arjan@linux.intel.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'block/blk-wbt.c')
0 files changed, 0 insertions, 0 deletions