Re: [PATCH v4 14/75] x86/boot/compressed/64: Add page-fault handler

2020-07-14 Thread Kees Cook
On Tue, Jul 14, 2020 at 02:08:16PM +0200, Joerg Roedel wrote: > From: Joerg Roedel > > Install a page-fault handler to add an identity mapping to addresses > not yet mapped. Also do some checking whether the error code is sane. > > This makes non SEV-ES machines use the exception handling > infr

[PATCH v4 14/75] x86/boot/compressed/64: Add page-fault handler

2020-07-14 Thread Joerg Roedel
From: Joerg Roedel Install a page-fault handler to add an identity mapping to addresses not yet mapped. Also do some checking whether the error code is sane. This makes non SEV-ES machines use the exception handling infrastructure in the pre-decompressions boot code too, making it less likely to