Re: [PATCH v6 2/8] lib: prepare xxhash for preboot environment

Arvind Sankar
2020-07-07T21:59:31Z

On Mon, Jul 06, 2020 at 08:45:58PM -0700, Nick Terrell wrote:
> From: Nick Terrell <terrelln@fb.com>
>
> Don't export symbols if XXH_PREBOOT is defined.
>
> This change is necessary to get xxhash to work in a preboot environment,
> which is needed to support zstd-compressed kernels.

The usual way to do it is by adding -D__DISABLE_EXPORTS to the CFLAGS, which will
cause EXPORT_SYMBOL to be stubbed out. Doesn't that work here?