Implement barrier_nospec for NXP PowerPC Book3E processors. Diana Craciun (3): Disable the speculation barrier from the command line Add barrier_nospec implementation for NXP PowerPC Book3E Implement cpu_show_spectre_v1/v2 for NXP PowerPC Book3E
arch/powerpc/Kconfig | 2 +- arch/powerpc/include/asm/barrier.h | 10 +++++++++ arch/powerpc/include/asm/setup.h | 2 +- arch/powerpc/kernel/Makefile | 2 +- arch/powerpc/kernel/module.c | 5 +++-- arch/powerpc/kernel/security.c | 42 +++++++++++++++++++++++++++++++++++++- arch/powerpc/kernel/setup_32.c | 5 +++++ arch/powerpc/kernel/setup_64.c | 6 ++++++ arch/powerpc/kernel/vmlinux.lds.S | 4 +++- arch/powerpc/lib/feature-fixups.c | 35 ++++++++++++++++++++++++++++++- 10 files changed, 105 insertions(+), 8 deletions(-) -- History: v1 --> v2 - added implementation for cpu_show_spectre_x functions - the mitigation is no longer enabled through device tree options 2.5.5
