commit f56dae88a81fded66adf2bea9922d1d98d1da14f upstream.
Turns out the compilers also generate tail calls to __sanitize_cov*(),
make sure to also patch those out in noinstr code.
Fixes: 0f1441b44e ("objtool: Fix noinstr vs KCOV")
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Marco Elver <elver@google.com>
Link: https://lore.kernel.org/r/20210624095147.818783799@infradead.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
[bwh: Backported to 5.10:
- objtool doesn't have any mcount handling
- Write the NOPs as hex literals since we can't use <asm/nops.h>]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
acc0be56b4