Messages in this thread | | | Date | Tue, 06 Mar 2018 10:32:13 +0000 | From | Marc Zyngier <> | Subject | Re: [PATCH v2] arm64: KVM: Use SMCCC_ARCH_WORKAROUND_1 for Falkor BP hardening |
| |
On Mon, 05 Mar 2018 17:06:43 +0000, Shanker Donthineni wrote: > > The function SMCCC_ARCH_WORKAROUND_1 was introduced as part of SMC > V1.1 Calling Convention to mitigate CVE-2017-5715. This patch uses > the standard call SMCCC_ARCH_WORKAROUND_1 for Falkor chips instead > of Silicon provider service ID 0xC2001700. > > Signed-off-by: Shanker Donthineni <shankerd@codeaurora.org> > --- > Chnages since v1: > - Trivial change in cpucaps.h (refresh after removing ARM64_HARDEN_BP_POST_GUEST_EXIT) > > arch/arm64/include/asm/cpucaps.h | 5 ++-- > arch/arm64/include/asm/kvm_asm.h | 2 -- > arch/arm64/kernel/bpi.S | 8 ------ > arch/arm64/kernel/cpu_errata.c | 55 ++++++++++++++-------------------------- > arch/arm64/kvm/hyp/entry.S | 12 --------- > arch/arm64/kvm/hyp/switch.c | 10 -------- > 6 files changed, 21 insertions(+), 71 deletions(-)
Reviewed-by: Marc Zyngier <marc.zyngier@arm.com>
Will/Catalin, if you want to take it via the arm64 tree, that's fine by me.
Thanks,
M.
-- Jazz is not dead, it just smell funny.
| |