Re: [PATCH 2/7] x86/entry: Move PTI_USER_* to arch/x86/include/asm/processor-flags.h

[Lai Jiangshan]

On Wed, May 11, 2022 at 6:25 PM Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote:
>
> On Wed, May 11 2022 at 15:27, Lai Jiangshan wrote:
> > From: Lai Jiangshan <jiangshan.ljs@xxxxxxxxxxxx>
> >
> > These constants will be also used in C file.
> >
> > Move them to arch/x86/include/asm/processor-flags.h which already has
> > a kin X86_CR3_PTI_PCID_USER_BIT defined in it.
> >
> > Remove PTI_PGTABLE_SWITCH_BIT and replace it with PTI_USER_PGTABLE_BIT
> > since they are the same in meaning and value.
>
> Just from looking at the patch it's obvious that it breaks the 32bit
> CONFIG_PAGETABLE_ISOLATION=y build. Sigh.

Ahhh.
Thank you!

I'm sorry and I will move the "#ifdef CONFIG_X86_64" down a
little bit in arch/x86/include/asm/processor-flags.h.

Thanks
Lai