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

From: Arvind Sankar
Date: Tue Jul 07 2020 - 17:59:31 EST


On Mon, Jul 06, 2020 at 08:45:58PM -0700, Nick Terrell wrote:
> From: Nick Terrell <terrelln@xxxxxx>
>
> 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?