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arm64: KVM: Use SMCCC_ARCH_WORKAROUND_1 for Falkor BP hardening

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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.

Cc: <stable@vger.kernel.org> # 4.14+
Signed-off-by: Shanker Donthineni <shankerd@codeaurora.org>
[maz: reworked errata framework integration]
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
This commit is contained in:
Shanker Donthineni
2018-04-10 11:36:42 +01:00
committed by Will Deacon
parent d8312a3f61
commit 4bc352ffb3
6 changed files with 25 additions and 86 deletions
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arch/arm64/include/asm/kvm_asm.h
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@@ -71,8 +71,6 @@ extern u32 __kvm_get_mdcr_el2(void);
extern u32 __init_stage2_translation(void);
extern void __qcom_hyp_sanitize_btac_predictors(void);
#else /* __ASSEMBLY__ */
.macro get_host_ctxt reg, tmp