Linux kernel stable tree (mirror) https://git.radix-linux.su/kernel/linux.git/atom?h=v6.19.12 2019-08-07T12:53:09+00:00 2019-08-07T12:53:09+00:00 Leo Yan leo.yan@linaro.org 2019-08-06T10:00:14+00:00 urn:sha1:42d038c4fb00f1ec1a4c4616784da4561385b628 Inspired by the commit 7cd01b08d35f ("powerpc: Add support for function error injection"), this patch supports function error injection for Arm64. This patch mainly support two functions: one is regs_set_return_value() which is used to overwrite the return value; the another function is override_function_with_return() which is to override the probed function returning and jump to its caller. Reviewed-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Leo Yan <leo.yan@linaro.org> Signed-off-by: Will Deacon <will@kernel.org>