Re: [PATCH v3 0/3] x86/boot: Introduce the kernel_info et consortes

From: H. Peter Anvin
Date: Wed Oct 23 2019 - 16:45:24 EST


On 2019-10-16 04:06, Daniel Kiper wrote:
> On Wed, Oct 09, 2019 at 12:53:55PM +0200, Daniel Kiper wrote:
>> Hi,
>>
>> Due to very limited space in the setup_header this patch series introduces new
>> kernel_info struct which will be used to convey information from the kernel to
>> the bootloader. This way the boot protocol can be extended regardless of the
>> setup_header limitations. Additionally, the patch series introduces some
>> convenience features like the setup_indirect struct and the
>> kernel_info.setup_type_max field.
>>
>> Daniel
>>
>> Documentation/x86/boot.rst | 168 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>> arch/x86/boot/Makefile | 2 +-
>> arch/x86/boot/compressed/Makefile | 4 +-
>> arch/x86/boot/compressed/kaslr.c | 12 ++++++
>> arch/x86/boot/compressed/kernel_info.S | 22 +++++++++++
>> arch/x86/boot/header.S | 3 +-
>> arch/x86/boot/tools/build.c | 5 +++
>> arch/x86/include/uapi/asm/bootparam.h | 16 +++++++-
>> arch/x86/kernel/e820.c | 11 ++++++
>> arch/x86/kernel/kdebugfs.c | 20 ++++++++--
>> arch/x86/kernel/ksysfs.c | 30 ++++++++++----
>> arch/x86/kernel/setup.c | 4 ++
>> arch/x86/mm/ioremap.c | 11 ++++++
>> 13 files changed, 292 insertions(+), 16 deletions(-)
>>
>> Daniel Kiper (3):
>> x86/boot: Introduce the kernel_info
>> x86/boot: Introduce the kernel_info.setup_type_max
>> x86/boot: Introduce the setup_indirect
>
> hpa, ping?
>

Looks really good to me, modulo the feedback Randy already brought up.

Reviewed-by: H. Peter Anvin (Intel) <hpa@xxxxxxxxx>

-hpa