[PATCH u-boot 14/39] lib: crc32: make the crc_table variable non-const

Marek Behun marek.behun at nic.cz
Sun Mar 7 05:58:00 CET 2021

On Sun, 7 Mar 2021 05:46:24 +0100
Marek Vasut <marex at denx.de> wrote:

> On 3/7/21 5:25 AM, Marek Behún wrote:
> > When compiling with LTO, the compiler fails with an error saying that
> > `crc_table` causes a section type conflict with `efi_var_buf`.
> > 
> > This is because both are declared to be in the same section (via macro
> > `__efi_runtime_data`), but one is const while the other is not.
> > 
> > Make this variable non-const in order to fix this.  
> This does not look right, the crc32 array is constant.
> Maybe what you want to do instead if create some __efi_constant_data 
> section ?

Yes, this was the easier solution, and maybe is not ideal.

I thought it would not be much of a problem since this array can be
nonconstant (generated after boot) if CONFIG_DYNAMIC_CRC_TABLE is

Anyway I don't much understand the EFI code so I wanted to poke into it
as little as possible.


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