Messages in this thread | | | Date | Wed, 3 Jun 2020 17:18:57 +0200 | From | Joerg Roedel <> | Subject | Re: [PATCH v3 35/75] x86/head/64: Build k/head64.c with -fno-stack-protector |
| |
On Tue, May 19, 2020 at 09:58:18AM -0400, Brian Gerst wrote: > On Tue, Apr 28, 2020 at 11:28 AM Joerg Roedel <joro@8bytes.org> wrote:
> The proper fix would be to initialize MSR_GS_BASE earlier.
That'll mean to initialize it two times during boot, as the first C function with stack-protection is called before the kernel switches to its high addresses (early_idt_setup call-path). But okay, I can do that.
On the other side, which value does the stack protector have in the early boot code?
Joerg
| |