[PATCHv4 0/3] An updated version of the load_unaligned_zeropad() fix

From: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
To: tglx@linutronix.de, mingo@redhat.com, bp@alien8.de,
	dave.hansen@intel.com, luto@kernel.org, peterz@infradead.org
Cc: ak@linux.intel.com, dan.j.williams@intel.com, david@redhat.com,
	hpa@zytor.com, linux-kernel@vger.kernel.org,
	sathyanarayanan.kuppuswamy@linux.intel.com, seanjc@google.com,
	thomas.lendacky@amd.com, x86@kernel.org,
	"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Subject: [PATCHv4 0/3] An updated version of the load_unaligned_zeropad() fix
Date: Tue, 14 Jun 2022 15:01:32 +0300	[thread overview]
Message-ID: <20220614120135.14812-1-kirill.shutemov@linux.intel.com> (raw)

An updated version of the load_unaligned_zeropad() fix.

v4:
 - Allow unaligned MMIO access, but fail split page accesses;
 - Explicit switch() in ve_instr_len() helper;
 - Update comments;
v3:
 - Rework load_unaligned_zeropad() fix: fail misaligned MMIO accesses
   instead of upfront exception fixups;
 - Add ve_instr_len() helper to wrap access to ve->instr_len;
 - Add Reviewed-by from Sathya;
v2:
 - Clarify RIP adjustments during #VE handling;
 - Fix early #VE handling;
 - Fix comment and commit message;

Kirill A. Shutemov (3):
  x86/tdx: Fix early #VE handling
  x86/tdx: Clarify RIP adjustments in #VE handler
  x86/tdx: Handle load_unaligned_zeropad() page-cross to a shared page

 arch/x86/coco/tdx/tdx.c | 187 +++++++++++++++++++++++++++++-----------
 1 file changed, 136 insertions(+), 51 deletions(-)

-- 
2.35.1