I wonder whether those who spotted the errors last time around are going to make any comments on this revised series, or whether we're going to just sit around looking at each other in silence expecting each other to do something. If I go through them again, I'm pretty sure I'll find nothing. On Wed, Nov 07, 2018 at 11:43:38AM -0500, David Long wrote: > From: "David A. Long" <dave.long@xxxxxxxxxx> > > V4.9 backport of spectre patches from Russell M. King's spectre branch. > Patches not yet in upstream are excluded. > > Changes in V2: > 1) Fixed bad merge in #11/24 in hyp-entry.S. > 2) Incorporated upstream patch to earlier patch where wrong ENDPROC call > was done in hypervisor code in proc-v7.S. > > Marc Zyngier (2): > ARM: KVM: invalidate BTB on guest exit for Cortex-A12/A17 > ARM: KVM: invalidate icache on guest exit for Cortex-A15 > > Russell King (22): > ARM: add more CPU part numbers for Cortex and Brahma B15 CPUs > ARM: bugs: prepare processor bug infrastructure > ARM: bugs: hook processor bug checking into SMP and suspend paths > ARM: bugs: add support for per-processor bug checking > ARM: spectre: add Kconfig symbol for CPUs vulnerable to Spectre > ARM: spectre-v2: harden branch predictor on context switches > ARM: spectre-v2: add Cortex A8 and A15 validation of the IBE bit > ARM: spectre-v2: harden user aborts in kernel space > ARM: spectre-v2: add firmware based hardening > ARM: spectre-v2: warn about incorrect context switching functions > ARM: spectre-v2: KVM: invalidate icache on guest exit for Brahma B15 > ARM: KVM: Add SMCCC_ARCH_WORKAROUND_1 fast handling > ARM: KVM: report support for SMCCC_ARCH_WORKAROUND_1 > ARM: spectre-v1: add speculation barrier (csdb) macros > ARM: spectre-v1: add array_index_mask_nospec() implementation > ARM: spectre-v1: fix syscall entry > ARM: signal: copy registers using __copy_from_user() > ARM: vfp: use __copy_from_user() when restoring VFP state > ARM: oabi-compat: copy semops using __copy_from_user() > ARM: use __inttype() in get_user() > ARM: spectre-v1: use get_user() for __get_user() > ARM: spectre-v1: mitigate user accesses > > arch/arm/include/asm/assembler.h | 12 ++ > arch/arm/include/asm/barrier.h | 32 ++++++ > arch/arm/include/asm/bugs.h | 6 +- > arch/arm/include/asm/cp15.h | 3 + > arch/arm/include/asm/cputype.h | 8 ++ > arch/arm/include/asm/kvm_asm.h | 2 - > arch/arm/include/asm/kvm_host.h | 14 ++- > arch/arm/include/asm/kvm_mmu.h | 23 +++- > arch/arm/include/asm/proc-fns.h | 4 + > arch/arm/include/asm/system_misc.h | 15 +++ > arch/arm/include/asm/thread_info.h | 4 +- > arch/arm/include/asm/uaccess.h | 26 +++-- > arch/arm/kernel/Makefile | 1 + > arch/arm/kernel/bugs.c | 18 +++ > arch/arm/kernel/entry-common.S | 18 ++- > arch/arm/kernel/entry-header.S | 25 +++++ > arch/arm/kernel/signal.c | 55 ++++----- > arch/arm/kernel/smp.c | 4 + > arch/arm/kernel/suspend.c | 2 + > arch/arm/kernel/sys_oabi-compat.c | 8 +- > arch/arm/kvm/hyp/hyp-entry.S | 112 ++++++++++++++++++- > arch/arm/lib/copy_from_user.S | 9 ++ > arch/arm/mm/Kconfig | 23 ++++ > arch/arm/mm/Makefile | 2 +- > arch/arm/mm/fault.c | 3 + > arch/arm/mm/proc-macros.S | 3 +- > arch/arm/mm/proc-v7-2level.S | 6 - > arch/arm/mm/proc-v7-bugs.c | 174 +++++++++++++++++++++++++++++ > arch/arm/mm/proc-v7.S | 154 +++++++++++++++++++------ > arch/arm/vfp/vfpmodule.c | 17 ++- > 30 files changed, 674 insertions(+), 109 deletions(-) > create mode 100644 arch/arm/kernel/bugs.c > create mode 100644 arch/arm/mm/proc-v7-bugs.c > > -- > 2.17.1 > -- RMK's Patch system: http://www.armlinux.org.uk/developer/patches/ FTTC broadband for 0.8mile line in suburbia: sync at 12.1Mbps down 622kbps up According to speedtest.net: 11.9Mbps down 500kbps up
