Re: [PATCH] stackdepot: Rename pool_index to pool_index_plus_1

[Oscar Salvador]

On Mon, Apr 01, 2024 at 05:14:58PM -0700, Peter Collingbourne wrote:
> Commit 3ee34eabac2a ("lib/stackdepot: fix first entry having a
> 0-handle") changed the meaning of the pool_index field to mean "the
> pool index plus 1". This made the code accessing this field less
> self-documenting, as well as causing debuggers such as drgn to not
> be able to easily remain compatible with both old and new kernels,
> because they typically do that by testing for presence of the new
> field. Because stackdepot is a debugging tool, we should make sure
> that it is debugger friendly. Therefore, give the field a different
> name to improve readability as well as enabling debugger backwards
> compatibility.
> 
> Signed-off-by: Peter Collingbourne <pcc@xxxxxxxxxx>
> Link: https://linux-review.googlesource.com/id/Ib3e70c36c1d230dd0a118dc22649b33e768b9f88

Acked-by: Oscar Salvador <osalvador@xxxxxxx>


-- 
Oscar Salvador
SUSE Labs