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Merge branch 'for-next/kvm/errata' into for-next/core

Browse source 
KVM CPU errata rework
(Andrew Scull and Marc Zyngier)
* for-next/kvm/errata:
  KVM: arm64: Move __load_guest_stage2 to kvm_mmu.h
  arm64: Unify WORKAROUND_SPECULATIVE_AT_{NVHE,VHE}
This commit is contained in:
Will Deacon 2020-05-28 18:02:51 +01:00
commit c350717ec7
9 changed files with 69 additions and 78 deletions
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25
arch/arm64/kernel/cpu_errata.c
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@ -635,7 +635,7 @@ has_neoverse_n1_erratum_1542419(const struct arm64_cpu_capabilities *entry,
return is_midr_in_range(midr, &range) && has_dic;
}
#if defined(CONFIG_HARDEN_EL2_VECTORS) || defined(CONFIG_ARM64_ERRATUM_1319367)
#if defined(CONFIG_HARDEN_EL2_VECTORS)
static const struct midr_range ca57_a72[] = {
MIDR_ALL_VERSIONS(MIDR_CORTEX_A57),
@ -757,12 +757,16 @@ static const struct arm64_cpu_capabilities erratum_843419_list[] = {
};
#endif
#ifdef CONFIG_ARM64_WORKAROUND_SPECULATIVE_AT_VHE
static const struct midr_range erratum_speculative_at_vhe_list[] = {
#ifdef CONFIG_ARM64_WORKAROUND_SPECULATIVE_AT
static const struct midr_range erratum_speculative_at_list[] = {
#ifdef CONFIG_ARM64_ERRATUM_1165522
/* Cortex A76 r0p0 to r2p0 */
MIDR_RANGE(MIDR_CORTEX_A76, 0, 0, 2, 0),
#endif
#ifdef CONFIG_ARM64_ERRATUM_1319367
MIDR_ALL_VERSIONS(MIDR_CORTEX_A57),
MIDR_ALL_VERSIONS(MIDR_CORTEX_A72),
#endif
#ifdef CONFIG_ARM64_ERRATUM_1530923
/* Cortex A55 r0p0 to r2p0 */
MIDR_RANGE(MIDR_CORTEX_A55, 0, 0, 2, 0),
@ -897,11 +901,11 @@ const struct arm64_cpu_capabilities arm64_errata[] = {
ERRATA_MIDR_RANGE_LIST(erratum_1418040_list),
},
#endif
#ifdef CONFIG_ARM64_WORKAROUND_SPECULATIVE_AT_VHE
#ifdef CONFIG_ARM64_WORKAROUND_SPECULATIVE_AT
{
.desc = "ARM errata 1165522 or 1530923",
.capability = ARM64_WORKAROUND_SPECULATIVE_AT_VHE,
ERRATA_MIDR_RANGE_LIST(erratum_speculative_at_vhe_list),
.desc = "ARM errata 1165522, 1319367, or 1530923",
.capability = ARM64_WORKAROUND_SPECULATIVE_AT,
ERRATA_MIDR_RANGE_LIST(erratum_speculative_at_list),
},
#endif
#ifdef CONFIG_ARM64_ERRATUM_1463225
@ -934,13 +938,6 @@ const struct arm64_cpu_capabilities arm64_errata[] = {
.matches = has_neoverse_n1_erratum_1542419,
.cpu_enable = cpu_enable_trap_ctr_access,
},
#endif
#ifdef CONFIG_ARM64_ERRATUM_1319367
{
.desc = "ARM erratum 1319367",
.capability = ARM64_WORKAROUND_SPECULATIVE_AT_NVHE,
ERRATA_MIDR_RANGE_LIST(ca57_a72),
},
#endif
{
}