Re: [PATCH] efi_loader: Get rid of kaslr-seed

Hi Heinrich,

...

@@ -40,6 +40,28 @@ static void efi_reserve_memory(u64 addr, u64 size, bool nomap) addr, size); }

+/**

• • efi_remove_kaslr_seed() - Removed unused kaslr-seed

name mismatch

...

• • Kernel's EFI STUB only relies on EFI_RNG_PROTOCOL for randomization
• • and completely ignores the kaslr-seed. Weed it out from the DTB we
• • hand over, which would mess up our DTB TPM measurements as well.
• • @fdt: Pointer to device tree
• */

+void efi_purge_kaslr_seed(void *fdt) +{

• int nodeoff = fdt_path_offset(fdt, "/chosen");
• int err = 0;
• if (nodeoff < 0)

• return;
  

• err = fdt_delprop(fdt, nodeoff, "kaslr-seed");
• if (err < 0)

• log_err("Error deleting kaslr-seed\n");
  

If the node does not present this is not an error!

Ah true, I'll fix that

Cheers /Ilias