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From:   Kuppuswamy Sathyanarayanan 
        <sathyanarayanan.kuppuswamy@linux.intel.com>
To:     Peter Zijlstra <peterz@infradead.org>,
        Andy Lutomirski <luto@kernel.org>,
        Dave Hansen <dave.hansen@intel.com>,
        Tony Luck <tony.luck@intel.com>,
        Dan Williams <dan.j.williams@intel.com>
Cc:     Andi Kleen <ak@linux.intel.com>,
        Kirill Shutemov <kirill.shutemov@linux.intel.com>,
        Kuppuswamy Sathyanarayanan <knsathya@kernel.org>,
        Raj Ashok <ashok.raj@intel.com>,
        Sean Christopherson <seanjc@google.com>,
        linux-kernel@vger.kernel.org,
        Kuppuswamy Sathyanarayanan 
        <sathyanarayanan.kuppuswamy@linux.intel.com>
Subject: [RFC v2-fix-v3 0/4] x86/tdx: Handle in-kernel MMIO
Date:   Tue,  8 Jun 2021 08:59:20 -0700
Message-Id: <cover.1623167569.git.sathyanarayanan.kuppuswamy@linux.intel.com>
In-Reply-To: <CAPcyv4jR4Ci=yKmCWk2toNFr-8NBy-MXfDYiH0Xmv9KFiBm2wQ@mail.gmail.com>
References: <CAPcyv4jR4Ci=yKmCWk2toNFr-8NBy-MXfDYiH0Xmv9KFiBm2wQ@mail.gmail.com>
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This patchset addresses the review comments in the patch titled
"x86/tdx: Handle in-kernel MMIO". Since it requires
patch split, sending these together.

Changes since RFC-v2-fix-v2:
 * Further divided patch "x86/sev-es: Abstract out MMIO instruction
   decoding", and moved generic APIs common to both TDX/SEV into
   seperate patches. Also introduced new patch for AMD code to utilize
   the generic APIs.
 * Fixed commit log as per review comments.

Changes since RFC v2-fix:
 * Introduced "x86/sev-es: Abstract out MMIO instruction
   decoding" patch for sharing common code between TDX
   and SEV.
 * Modified TDX MMIO code to utilize common shared functions.
 * Modified commit log to reflect latest changes and to
   address review comments.

Changes since RFC v2:
 * Fixed commit log as per Dave's review.

Kirill A. Shutemov (4):
  x86/insn-eval: Introduce insn_get_modrm_reg_ptr()
  x86/insn-eval: Introduce insn_decode_mmio()
  x86/sev-es: Use insn_decode_mmio() for MMIO implementation
  x86/tdx: Handle in-kernel MMIO

 arch/x86/include/asm/insn-eval.h |  13 +++
 arch/x86/kernel/sev.c            | 171 ++++++++-----------------------
 arch/x86/kernel/tdx.c            | 109 ++++++++++++++++++++
 arch/x86/lib/insn-eval.c         | 102 ++++++++++++++++++
 4 files changed, 264 insertions(+), 131 deletions(-)

-- 
2.25.1