Re: [4.4] broken conversion from efi to kernel page table

From: Pavel Tatashin
Date: Sat Jan 13 2018 - 08:37:41 EST


Hi Greg,

Make sure you apply:
[PATCH 4.4 v2] x86/pti/efi: broken conversion from efi to kernel page table

It is the same patch but fixes a compiling issue when compiled
without: CONFIG_PAGE_TABLE_ISOLATION


On Sat, Jan 13, 2018 at 8:18 AM, Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
> On Thu, Jan 11, 2018 at 02:07:45PM -0500, Pavel Tatashin wrote:
>> This fixes boot panics, hangs which I reported in this thread:
>>
>> http://lkml.iu.edu/hypermail/linux/kernel/1801.1/00951.html
>>
>> I have not yet verified if similar issue is applicable to newer
>> kernels.
>>
>> Re-sending it as a proper git send-email submission.
>>
>> Pavel Tatashin (1):
>> x86/pti/efi: broken conversion from efi to kernel page table
>>
>> arch/x86/include/asm/kaiser.h | 8 ++++++++
>> arch/x86/realmode/init.c | 4 +++-
>> arch/x86/realmode/rm/trampoline_64.S | 3 ++-
>> 3 files changed, 13 insertions(+), 2 deletions(-)
>
> Many thanks for this work, and the patch, it's greatly appreciated.
>
> Now queued up, thanks.
>
> greg k-h