Thread (28 messages) 28 messages, 5 authors, 2016-11-30

Re: [PATCH 4/6] efi: Get the secure boot status [ver #2]

From: Lukas Wunner <lukas@wunner.de>
Date: 2016-11-23 10:11:19
Also in: lkml

On Wed, Nov 23, 2016 at 09:53:00AM +0000, David Howells wrote:
Lukas Wunner [off-list ref] wrote:
quoted
It just occurred to me that the boot_params struct is populated in
make_boot_params(), perhaps it makes sense to move this line there.
Otherwise LGTM.
Ummm...  Looking at arch/x86/boot/compressed/head_64.S, make_boot_params() is
only called if the stub is entered through efi_pe_entry, not if entered
through efi64_stub_entry, whereas efi_main() is called in both cases.  I think
entry through efi32_stub_entry may also skip make_boot_params().

The comment on make_boot_params() suggests that this function is only used if
whoever booted the kernel didn't supply it.
Good point. :-) I didn't dig this deep, it was just something that
crossed my mind when skimming over the patch.

You're also right about the (efi_##f##_t *) addition in patch 2.

Thanks,

Lukas
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