On Thu, Jun 15, 2017 at 11:41:12AM +0200, Borislav Petkov wrote:
> On Wed, Jun 14, 2017 at 03:40:28PM -0500, Tom Lendacky wrote:
> > > WARNING: Use of volatile is usually wrong: see
> > > Documentation/process/volatile-considered-harmful.rst
> > > #134: FILE: drivers/iommu/amd_iommu.c:866:
> > > +
name suggests that it checks
whether the iommu hardware supports SME.
How about renaming it to amd_iommu_sme_check()?
With that change the patch is:
Acked-by: Joerg Roedel
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From: Joerg Roedel
When PTI is enabled on x86-32 the kernel uses the GDT mapped
in the fixmap for the simple reason that this address is
also mapped for user-space.
The efi_call_phys_prolog()/efi_call_phys_epilog() wrappers
change the GDT to call EFI runtime services and switch back
to the
On Tue, Sep 11, 2018 at 09:36:51AM -0700, Andy Lutomirski wrote:
> >save_pgd = efi_call_phys_prolog();
> >local_irq_save(flags);
> >status = efi_call_phys(...);
> >local_irq_restore(flags);
> >
> >efi_call_phys_epilog(save_pgd);
> >
> > So, yes, interrupts are very muc