[SRU][J][PATCH 0/8] VMSCAPE CVE-2025-40300 (LP: #2124105)

[Massimiliano Pellizzer]

BugLink: https://bugs.launchpad.net/bugs/2124105

Massimiliano Pellizzer (1):
  UBUNTU: [Config] Enable MITIGATION_VMSCAPE config

Pawan Gupta (7):
  Documentation/hw-vuln: Add VMSCAPE documentation
  x86/vmscape: Enumerate VMSCAPE bug
  x86/vmscape: Add conditional IBPB mitigation
  x86/vmscape: Enable the mitigation
  x86/bugs: Move cpu_bugs_smt_update() down
  x86/vmscape: Warn when STIBP is disabled with SMT
  x86/vmscape: Add old Intel CPUs to affected list

 .../ABI/testing/sysfs-devices-system-cpu      |   1 +
 Documentation/admin-guide/hw-vuln/index.rst   |   1 +
 Documentation/admin-guide/hw-vuln/vmscape.rst | 110 ++++++++
 .../admin-guide/kernel-parameters.txt         |  11 +
 arch/x86/Kconfig                              |   9 +
 arch/x86/include/asm/cpufeatures.h            |   2 +
 arch/x86/include/asm/entry-common.h           |   7 +
 arch/x86/include/asm/nospec-branch.h          |   2 +
 arch/x86/kernel/cpu/bugs.c                    | 264 ++++++++++++------
 arch/x86/kernel/cpu/common.c                  |  77 +++--
 arch/x86/kvm/x86.c                            |   9 +
 debian.master/config/annotations              |   3 +
 drivers/base/cpu.c                            |   6 +
 include/linux/cpu.h                           |   1 +
 14 files changed, 395 insertions(+), 108 deletions(-)
 create mode 100644 Documentation/admin-guide/hw-vuln/vmscape.rst

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