[SRU][F][PATCH 0/1] CVE-2024-42240

[Yuxuan Luo]

[Impact]
When BHI mitigation is enabled, debug handler issues a warning that
could have been avoided under certain circumstance.

[Backport]
Solved the context conflict due to missing UNTRAIN_RET macro in our
trees.

[Test]
No more debugger warnings after the patch.

[Where problems could occur]
CPU single-step debugging and BHI mitigation might be affected.

Alexandre Chartre (1):
  x86/bhi: Avoid warning in #DB handler due to BHI mitigation

 arch/x86/entry/entry_64_compat.S | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

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2.43.0