[PATCH] arm64: Don't insert a BTI instruction at inner labels

[Will Deacon]

On Wed, 24 Jun 2020 13:22:54 +0200, Jean-Philippe Brucker wrote:
> Some ftrace features are broken since commit 714a8d02ca4d ("arm64: asm:
> Override SYM_FUNC_START when building the kernel with BTI"). For example
> the function_graph tracer:
> 
> $ echo function_graph > /sys/kernel/debug/tracing/current_tracer
> [   36.107016] WARNING: CPU: 0 PID: 115 at kernel/trace/ftrace.c:2691 ftrace_modify_all_code+0xc8/0x14c
> 
> [...]

Applied to arm64 (for-next/fixes), thanks!

[1/1] arm64: Don't insert a BTI instruction at inner labels
      https://git.kernel.org/arm64/c/2d21889f8b5c

Cheers,
-- 
Will

https://fixes.arm64.dev
https://next.arm64.dev
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