Re: [PATCH 12/70] x86/boot/compressed/64: Add IDT Infrastructure

Joerg Roedel
2020-04-16T13:40:35Z

Hi Arvind,

On Mon, Apr 06, 2020 at 10:21:27PM -0400, Arvind Sankar wrote:
> On Thu, Mar 19, 2020 at 10:13:09AM +0100, Joerg Roedel wrote:
> > From: Joerg Roedel <jroedel@suse.de>
> > +/*
> > + * Reload GDT after relocation - The GDT at the non-relocated position
> > + * might be overwritten soon by the in-place decompression, so reload
> > + * GDT at the relocated address. The GDT is referenced by exception
> > + * handling and needs to be set up correctly.
> > + */
> > + leaq gdt(%rip), %rax
> > + movq %rax, gdt64+2(%rip)
> > + lgdt gdt64(%rip)
> > +
> > /*
> > * Clear BSS (stack is currently empty)
> > */
>
> Note that this is now done in mainline as of commit c98a76eabbb6e, just
> prior to jumping to .Lrelocated, so this can be dropped on the next
> rebase.

Thanks for the heads-up, I removed this hunk.

Regards,

Joerg