[PATCH stable v4.4 0/8] missing powerpc spectre backports for 4.4

Diana Craciun diana.craciun at nxp.com
Tue Apr 30 01:49:00 AEST 2019


Hi Greg,

These are missing patches from the initial powerpc spectre backports for 4.4.
Please queue them as well if you don't have any objections.

Thanks,

Diana Craciun (8):
  powerpc/fsl: Enable runtime patching if nospectre_v2 boot arg is used
  powerpc/fsl: Flush branch predictor when entering KVM
  powerpc/fsl: Emulate SPRN_BUCSR register
  powerpc/fsl: Flush the branch predictor at each kernel entry (32 bit)
  powerpc/fsl: Sanitize the syscall table for NXP PowerPC 32 bit
    platforms
  powerpc/fsl: Fixed warning: orphan section `__btb_flush_fixup'
  powerpc/fsl: Add FSL_PPC_BOOK3E as supported arch for nospectre_v2
    boot arg
  Documentation: Add nospectre_v1 parameter

 Documentation/kernel-parameters.txt   |  6 +++++-
 arch/powerpc/kernel/entry_32.S        | 10 ++++++++++
 arch/powerpc/kernel/head_booke.h      | 12 ++++++++++++
 arch/powerpc/kernel/head_fsl_booke.S  | 15 +++++++++++++++
 arch/powerpc/kernel/setup_32.c        |  1 +
 arch/powerpc/kernel/setup_64.c        |  1 +
 arch/powerpc/kvm/bookehv_interrupts.S |  4 ++++
 arch/powerpc/kvm/e500_emulate.c       |  7 +++++++
 8 files changed, 55 insertions(+), 1 deletion(-)

-- 
2.17.1



More information about the Linuxppc-dev mailing list