Re: [Crash-utility] [PATCH][v2] Remove __exception_text_start and __exception_text_end for ARM64

On Mon, Dec 23, 2019 at 7:32 PM Dave Anderson <anderson(a)redhat.com&gt; wrote: > > > > ----- Original Message ----- > > __exception_text_start and __exception_text_end is used to group functions > > and place according to linker script in such a way to achieve > > kprobe blacklist. Linux commit b6e43c0e3129 ("arm64: remove __exception > > annotations") has removed __exception_text_start and > > __exception_text_end and uses NOKPROBE_SYMBOL() for blacklist kprobes. > > > > So removing references of __exception_text_start and __exception_text_end > > for ARM64. > > NAK for a couple of reasons... > > First, they cannot be removed for backward-compatibility purposes, and secondly > an alternative method is required for arm64_back_trace_cmd() for handling > exception frames. > We are getting following error with crash tool with latest kernel. crash: cannot resolve "__exception_text_start" error it is because of Linux commit b6e43c0e3129 which removes __exception_text_start and __exception_text_end. We need to find alternate way of fixing it.