[eoan][PATCH 0/3] Patch for CVE-2019-18660

[Benjamin M Romer]

CVE-2019-18660:

The Linux kernel through 5.3.13 on powerpc allows Information Exposure 
because the Spectre-RSB mitigation is not in place for all applicable 
CPUs, aka CID-39e72bf96f58. This is related to 
arch/powerpc/kernel/entry_64.S and arch/powerpc/kernel/security.c.

Christopher M. Riedl (1):
  powerpc/64s: support nospectre_v2 cmdline option

Michael Ellerman (2):
  powerpc/book3s64: Fix link stack flush on context switch
  KVM: PPC: Book3S HV: Flush link stack on guest exit to host kernel

 arch/powerpc/include/asm/asm-prototypes.h    |  3 +
 arch/powerpc/include/asm/security_features.h |  3 +
 arch/powerpc/kernel/entry_64.S               |  6 ++
 arch/powerpc/kernel/security.c               | 74 ++++++++++++++++++--
 arch/powerpc/kvm/book3s_hv_rmhandlers.S      | 30 ++++++++
 5 files changed, 110 insertions(+), 6 deletions(-)

-- 
2.20.1