EFI table being corrupted during Kexec

[Breno Leitao]

hello Usama,

On Tue, Sep 10, 2024 at 04:46:15PM +0100, Usama Arif wrote:
> --- a/drivers/firmware/efi/tpm.c
> +++ b/drivers/firmware/efi/tpm.c
> @@ -60,7 +60,9 @@ int __init efi_tpm_eventlog_init(void)
>  	}
>  
>  	tbl_size = sizeof(*log_tbl) + log_tbl->size;
> -	memblock_reserve(efi.tpm_log, tbl_size);
> +	if (!memblock_reserve(efi.tpm_log, tbl_size)) {
> +		arch_update_firmware_area(efi.tpm_log, tbl_size);
> +	}

Shouldn't you reserve the region into 8250 independently of
memblock_reserve() return value?

Thanks for the patch,
--breno