Re: [PATCH v4 0/6] powerpc/fsl: Speculation barrier for NXP PowerPC Book3E
From: LEROY Christophe <hidden>
Date: 2018-07-17 16:43:27
Diana Craciun [off-list ref] a =C3=A9crit=C2=A0:
Implement barrier_nospec for NXP PowerPC Book3E processors.
Diana Craciun (6):
Disable the speculation barrier from the command line
Document nospectre_v1 kernel parameter.
Make stf barrier PPC_BOOK3S_64 specific.
Enable cpu vulnerabilities reporting for NXP PPC BOOK3E
Add barrier_nospec implementation for NXP PowerPC Book3E
powerpc/fsl: Sanitize the syscall table for NXP PowerPC 32 bit
platformsThis list doesn't corresponds to the names of following 6 patches Christophe
Documentation/admin-guide/kernel-parameters.txt | 4 +++ arch/powerpc/Kconfig | 7 ++++- arch/powerpc/include/asm/barrier.h | 12 ++++++--- arch/powerpc/include/asm/setup.h | 6 ++++- arch/powerpc/kernel/Makefile | 3 ++- arch/powerpc/kernel/entry_32.S | 10 +++++++ arch/powerpc/kernel/module.c | 4 ++- arch/powerpc/kernel/security.c | 17 +++++++++++- arch/powerpc/kernel/setup-common.c | 2 ++ arch/powerpc/kernel/vmlinux.lds.S | 4 ++- arch/powerpc/lib/feature-fixups.c | 35=20=20 =20++++++++++++++++++++++++- arch/powerpc/platforms/powernv/setup.c | 1 - arch/powerpc/platforms/pseries/setup.c | 1 - 13 files changed, 94 insertions(+), 12 deletions(-) -- History: v3 --> v4 - fixed compilation issues v2 --> v3 - addressed review comments - included the 32bit sanitization in the same patch series v1 --> v2 - added implementation for cpu_show_spectre_x functions - the mitigation is no longer enabled through device tree options 2.5.5