[PATCH v2 00/10] arm64: stacktrace: improve unwind reporting

[Catalin Marinas]

On Thu, 17 Oct 2024 10:25:28 +0100, Mark Rutland wrote:
> This series improves arm64's unwinder to explicitly identify exception
> boundaries, reporting both pt_regs::pc and pt_regs::lr and explicitly
> identifying the source of elements in the stacktrace. This is useful to
> humans when reviewing a stacktrace, and serves as infrastructure that
> can be used for RELIABLE_STACKTRACE in future.
> 
> The first 6 patches are preparatory work that are not intended to have
> any functional impact, with patches 7 to 10 making the key changes.
> Largely this involves teaching the unwinder to track metadata for each
> unwind step, and modifying the way we manage pt_regs::stackframe so that
> exception boundaries can be identifier explcitily.
> 
> [...]

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

[01/10] arm64: pt_regs: assert pt_regs is a multiple of 16 bytes
        https://git.kernel.org/arm64/c/c87df9cb9a21
[02/10] arm64: pt_regs: remove stale big-endian layout
        https://git.kernel.org/arm64/c/2716d59bf483
[03/10] arm64: pt_regs: rename "pmr_save" -> "pmr"
        https://git.kernel.org/arm64/c/00d9597903d0
[04/10] arm64: pt_regs: swap 'unused' and 'pmr' fields
        https://git.kernel.org/arm64/c/1454363098a0
[05/10] arm64: use a common struct frame_record
        https://git.kernel.org/arm64/c/886c2b0ba820
[06/10] arm64: stacktrace: move dump_backtrace() to kunwind_stack_walk()
        https://git.kernel.org/arm64/c/b7794795c93d
[07/10] arm64: stacktrace: report source of unwind data
        https://git.kernel.org/arm64/c/bdf8eafbf7f5
[08/10] arm64: stacktrace: report recovered PCs
        https://git.kernel.org/arm64/c/8094df1cf092
[09/10] arm64: stacktrace: split unwind_consume_stack()
        https://git.kernel.org/arm64/c/f05a4a42de90
[10/10] arm64: stacktrace: unwind exception boundaries
        https://git.kernel.org/arm64/c/c2c6b27b5aa1

-- 
Catalin