Re: [RFC Part1 PATCH v3 02/17] x86/CPU/AMD: Add the Secure Encrypted Virtualization CPU feature

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Tue, Jul 25, 2017 at 09:29:40AM -0500, Tom Lendacky wrote:
> Yup, we can do something like that.  I believe the only change that
> would be needed to your patch would be to move the IS_ENABLED() check
> to after the physical address space reduction check.

Yeah, I wasn't sure about that. The logic is that if BIOS has enabled
SME and thus reduction is in place, we need to update x86_phys_bits on
32-bit regardless, right?

But, come to think of it, that reduction won't have any effect since we
have 32-bit addresses and the reduction is above 32-bits, right? And
thus it is moot.

Or?

-- 
Regards/Gruss,
    Boris.

SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg)
-- 
--
To unsubscribe from this list: send the line "unsubscribe linux-efi" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [IETF Annouce]     [Security]     [Bugtraq]     [Linux OMAP]     [Linux MIPS]     [ECOS]     [Asterisk Internet PBX]     [Linux API]

  Powered by Linux