[v3] Fix for load_unaligned_zeropad() in TDX guest

[PATCHv3 0/3] Fix for load_unaligned_zeropad() in TDX guest

Kirill A. Shutemov posted 3 patches 3 years, 11 months ago

Diff against v2
Download series mbox

arch/x86/coco/tdx/tdx.c | 154 +++++++++++++++++++++++++++-------------
1 file changed, 104 insertions(+), 50 deletions(-)

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[PATCHv3 0/3] Fix for load_unaligned_zeropad() in TDX guest

Posted by Kirill A. Shutemov 3 years, 11 months ago

An updated version of the load_unaligned_zeropad() fix.

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 | 154 +++++++++++++++++++++++++++-------------
 1 file changed, 104 insertions(+), 50 deletions(-)

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2.35.1