linux-kernel - [PATCH v5 0/6] x86/sev-es: Fixes for SEV-ES Guest Support

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Date:   Mon, 14 Jun 2021 15:53:21 +0200
From:   Joerg Roedel <joro@...tes.org>
To:     x86@...nel.org
Cc:     Joerg Roedel <joro@...tes.org>, Joerg Roedel <jroedel@...e.de>,
        hpa@...or.com, Andy Lutomirski <luto@...nel.org>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Jiri Slaby <jslaby@...e.cz>,
        Dan Williams <dan.j.williams@...el.com>,
        Tom Lendacky <thomas.lendacky@....com>,
        Juergen Gross <jgross@...e.com>,
        Kees Cook <keescook@...omium.org>,
        David Rientjes <rientjes@...gle.com>,
        Cfir Cohen <cfir@...gle.com>,
        Erdem Aktas <erdemaktas@...gle.com>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Mike Stunes <mstunes@...are.com>,
        Sean Christopherson <seanjc@...gle.com>,
        Martin Radev <martin.b.radev@...il.com>,
        Arvind Sankar <nivedita@...m.mit.edu>,
        linux-coco@...ts.linux.dev, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org, virtualization@...ts.linux-foundation.org
Subject: [PATCH v5 0/6] x86/sev-es: Fixes for SEV-ES Guest Support

From: Joerg Roedel <jroedel@...e.de>

Hi,

here is the next revision of my pending fixes for Linux' SEV-ES
support. Changes to the previous version are:

	- Updated patch 2 and implemented wrappers around
	  sev_es_get/put_ghcb() which will disable/enable IRQs when
	  needed.
	- Updated patch 3 to now call the from_user and from_kernel
	  functions of the VC handler directly from entry-asm.

The previous version can be found here:

	https://lore.kernel.org/lkml/20210610091141.30322-1-joro@8bytes.org/

Changes are based on tip/x86/urgent. Please review.

Thanks,

	Joerg


Joerg Roedel (6):
  x86/sev-es: Fix error message in runtime #VC handler
  x86/sev-es: Make sure IRQs are disabled while GHCB is active
  x86/sev-es: Split up runtime #VC handler for correct state tracking
  x86/insn-eval: Make 0 a valid RIP for insn_get_effective_ip()
  x86/insn: Extend error reporting from
    insn_fetch_from_user[_inatomic]()
  x86/sev-es: Propagate #GP if getting linear instruction address failed

 arch/x86/entry/entry_64.S       |   4 +-
 arch/x86/include/asm/idtentry.h |  29 ++---
 arch/x86/kernel/sev.c           | 207 ++++++++++++++++++++------------
 arch/x86/kernel/umip.c          |  10 +-
 arch/x86/lib/insn-eval.c        |  22 ++--
 5 files changed, 156 insertions(+), 116 deletions(-)


base-commit: efa165504943f2128d50f63de0c02faf6dcceb0d
-- 
2.31.1