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Message-Id: <20220614120135.14812-1-kirill.shutemov@linux.intel.com>
Date: Tue, 14 Jun 2022 15:01:32 +0300
From: "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
To: tglx@...utronix.de, mingo@...hat.com, bp@...en8.de,
dave.hansen@...el.com, luto@...nel.org, peterz@...radead.org
Cc: ak@...ux.intel.com, dan.j.williams@...el.com, david@...hat.com,
hpa@...or.com, linux-kernel@...r.kernel.org,
sathyanarayanan.kuppuswamy@...ux.intel.com, seanjc@...gle.com,
thomas.lendacky@....com, x86@...nel.org,
"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
Subject: [PATCHv4 0/3] An updated version of the load_unaligned_zeropad() fix
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
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