Files
android_kernel_xiaomi_sm8450/arch/arm64/kernel/cpu_errata.c
Greg Kroah-Hartman 27b36ba7c2 Merge 5.10.152 into android12-5.10-lts
Changes in 5.10.152
	ocfs2: clear dinode links count in case of error
	ocfs2: fix BUG when iput after ocfs2_mknod fails
	selinux: enable use of both GFP_KERNEL and GFP_ATOMIC in convert_context()
	cpufreq: qcom: fix writes in read-only memory region
	i2c: qcom-cci: Fix ordering of pm_runtime_xx and i2c_add_adapter
	x86/microcode/AMD: Apply the patch early on every logical thread
	hwmon/coretemp: Handle large core ID value
	ata: ahci-imx: Fix MODULE_ALIAS
	ata: ahci: Match EM_MAX_SLOTS with SATA_PMP_MAX_PORTS
	cpufreq: qcom: fix memory leak in error path
	kvm: Add support for arch compat vm ioctls
	KVM: arm64: vgic: Fix exit condition in scan_its_table()
	media: mceusb: set timeout to at least timeout provided
	media: venus: dec: Handle the case where find_format fails
	block: wbt: Remove unnecessary invoking of wbt_update_limits in wbt_init
	blk-wbt: call rq_qos_add() after wb_normal is initialized
	arm64: errata: Remove AES hwcap for COMPAT tasks
	r8152: add PID for the Lenovo OneLink+ Dock
	btrfs: fix processing of delayed data refs during backref walking
	btrfs: fix processing of delayed tree block refs during backref walking
	ACPI: extlog: Handle multiple records
	tipc: Fix recognition of trial period
	tipc: fix an information leak in tipc_topsrv_kern_subscr
	i40e: Fix DMA mappings leak
	HID: magicmouse: Do not set BTN_MOUSE on double report
	sfc: Change VF mac via PF as first preference if available.
	net/atm: fix proc_mpc_write incorrect return value
	net: phy: dp83867: Extend RX strap quirk for SGMII mode
	cifs: Fix xid leak in cifs_copy_file_range()
	cifs: Fix xid leak in cifs_flock()
	cifs: Fix xid leak in cifs_ses_add_channel()
	net: hsr: avoid possible NULL deref in skb_clone()
	ionic: catch NULL pointer issue on reconfig
	nvme-hwmon: rework to avoid devm allocation
	nvme-hwmon: Return error code when registration fails
	nvme-hwmon: consistently ignore errors from nvme_hwmon_init
	nvme-hwmon: kmalloc the NVME SMART log buffer
	net: sched: cake: fix null pointer access issue when cake_init() fails
	net: sched: delete duplicate cleanup of backlog and qlen
	net: sched: sfb: fix null pointer access issue when sfb_init() fails
	sfc: include vport_id in filter spec hash and equal()
	net: hns: fix possible memory leak in hnae_ae_register()
	net: sched: fix race condition in qdisc_graft()
	net: phy: dp83822: disable MDI crossover status change interrupt
	iommu/vt-d: Allow NVS regions in arch_rmrr_sanity_check()
	iommu/vt-d: Clean up si_domain in the init_dmars() error path
	drm/virtio: Use appropriate atomic state in virtio_gpu_plane_cleanup_fb()
	dmaengine: mxs-dma: Remove the unused .id_table
	dmaengine: mxs: use platform_driver_register
	tracing: Simplify conditional compilation code in tracing_set_tracer()
	tracing: Do not free snapshot if tracer is on cmdline
	xen: assume XENFEAT_gnttab_map_avail_bits being set for pv guests
	xen/gntdev: Accommodate VMA splitting
	mmc: sdhci-tegra: Use actual clock rate for SW tuning correction
	riscv: Add machine name to kernel boot log and stack dump output
	riscv: always honor the CONFIG_CMDLINE_FORCE when parsing dtb
	perf pmu: Validate raw event with sysfs exported format bits
	perf: Skip and warn on unknown format 'configN' attrs
	fcntl: make F_GETOWN(EX) return 0 on dead owner task
	fcntl: fix potential deadlocks for &fown_struct.lock
	arm64: dts: qcom: sc7180-trogdor: Fixup modem memory region
	arm64: topology: move store_cpu_topology() to shared code
	riscv: topology: fix default topology reporting
	perf/x86/intel/pt: Relax address filter validation
	hv_netvsc: Fix race between VF offering and VF association message from host
	ACPI: video: Force backlight native for more TongFang devices
	x86/Kconfig: Drop check for -mabi=ms for CONFIG_EFI_STUB
	Makefile.debug: re-enable debug info for .S files
	mmc: core: Add SD card quirk for broken discard
	blk-wbt: fix that 'rwb->wc' is always set to 1 in wbt_init()
	mm: /proc/pid/smaps_rollup: fix no vma's null-deref
	udp: Update reuse->has_conns under reuseport_lock.
	Linux 5.10.152

Change-Id: I2c75b6fd3ae205968bcc3133ebf71b82ff2a19b6
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
2022-11-21 15:46:22 +00:00

589 lines
16 KiB
C

// SPDX-License-Identifier: GPL-2.0-only
/*
* Contains CPU specific errata definitions
*
* Copyright (C) 2014 ARM Ltd.
*/
#include <linux/arm-smccc.h>
#include <linux/types.h>
#include <linux/cpu.h>
#include <asm/cpu.h>
#include <asm/cputype.h>
#include <asm/cpufeature.h>
#include <asm/kvm_asm.h>
#include <asm/smp_plat.h>
static bool __maybe_unused
is_affected_midr_range(const struct arm64_cpu_capabilities *entry, int scope)
{
const struct arm64_midr_revidr *fix;
u32 midr = read_cpuid_id(), revidr;
WARN_ON(scope != SCOPE_LOCAL_CPU || preemptible());
if (!is_midr_in_range(midr, &entry->midr_range))
return false;
midr &= MIDR_REVISION_MASK | MIDR_VARIANT_MASK;
revidr = read_cpuid(REVIDR_EL1);
for (fix = entry->fixed_revs; fix && fix->revidr_mask; fix++)
if (midr == fix->midr_rv && (revidr & fix->revidr_mask))
return false;
return true;
}
static bool __maybe_unused
is_affected_midr_range_list(const struct arm64_cpu_capabilities *entry,
int scope)
{
WARN_ON(scope != SCOPE_LOCAL_CPU || preemptible());
return is_midr_in_range_list(read_cpuid_id(), entry->midr_range_list);
}
static bool __maybe_unused
is_kryo_midr(const struct arm64_cpu_capabilities *entry, int scope)
{
u32 model;
WARN_ON(scope != SCOPE_LOCAL_CPU || preemptible());
model = read_cpuid_id();
model &= MIDR_IMPLEMENTOR_MASK | (0xf00 << MIDR_PARTNUM_SHIFT) |
MIDR_ARCHITECTURE_MASK;
return model == entry->midr_range.model;
}
static bool
has_mismatched_cache_type(const struct arm64_cpu_capabilities *entry,
int scope)
{
u64 mask = arm64_ftr_reg_ctrel0.strict_mask;
u64 sys = arm64_ftr_reg_ctrel0.sys_val & mask;
u64 ctr_raw, ctr_real;
WARN_ON(scope != SCOPE_LOCAL_CPU || preemptible());
/*
* We want to make sure that all the CPUs in the system expose
* a consistent CTR_EL0 to make sure that applications behaves
* correctly with migration.
*
* If a CPU has CTR_EL0.IDC but does not advertise it via CTR_EL0 :
*
* 1) It is safe if the system doesn't support IDC, as CPU anyway
* reports IDC = 0, consistent with the rest.
*
* 2) If the system has IDC, it is still safe as we trap CTR_EL0
* access on this CPU via the ARM64_HAS_CACHE_IDC capability.
*
* So, we need to make sure either the raw CTR_EL0 or the effective
* CTR_EL0 matches the system's copy to allow a secondary CPU to boot.
*/
ctr_raw = read_cpuid_cachetype() & mask;
ctr_real = read_cpuid_effective_cachetype() & mask;
return (ctr_real != sys) && (ctr_raw != sys);
}
static void
cpu_enable_trap_ctr_access(const struct arm64_cpu_capabilities *cap)
{
u64 mask = arm64_ftr_reg_ctrel0.strict_mask;
bool enable_uct_trap = false;
/* Trap CTR_EL0 access on this CPU, only if it has a mismatch */
if ((read_cpuid_cachetype() & mask) !=
(arm64_ftr_reg_ctrel0.sys_val & mask))
enable_uct_trap = true;
/* ... or if the system is affected by an erratum */
if (cap->capability == ARM64_WORKAROUND_1542419)
enable_uct_trap = true;
if (enable_uct_trap)
sysreg_clear_set(sctlr_el1, SCTLR_EL1_UCT, 0);
}
#ifdef CONFIG_ARM64_ERRATUM_1463225
DEFINE_PER_CPU(int, __in_cortex_a76_erratum_1463225_wa);
static bool
has_cortex_a76_erratum_1463225(const struct arm64_cpu_capabilities *entry,
int scope)
{
return is_affected_midr_range_list(entry, scope) && is_kernel_in_hyp_mode();
}
#endif
static void __maybe_unused
cpu_enable_cache_maint_trap(const struct arm64_cpu_capabilities *__unused)
{
sysreg_clear_set(sctlr_el1, SCTLR_EL1_UCI, 0);
}
#define CAP_MIDR_RANGE(model, v_min, r_min, v_max, r_max) \
.matches = is_affected_midr_range, \
.midr_range = MIDR_RANGE(model, v_min, r_min, v_max, r_max)
#define CAP_MIDR_ALL_VERSIONS(model) \
.matches = is_affected_midr_range, \
.midr_range = MIDR_ALL_VERSIONS(model)
#define MIDR_FIXED(rev, revidr_mask) \
.fixed_revs = (struct arm64_midr_revidr[]){{ (rev), (revidr_mask) }, {}}
#define ERRATA_MIDR_RANGE(model, v_min, r_min, v_max, r_max) \
.type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM, \
CAP_MIDR_RANGE(model, v_min, r_min, v_max, r_max)
#define CAP_MIDR_RANGE_LIST(list) \
.matches = is_affected_midr_range_list, \
.midr_range_list = list
/* Errata affecting a range of revisions of given model variant */
#define ERRATA_MIDR_REV_RANGE(m, var, r_min, r_max) \
ERRATA_MIDR_RANGE(m, var, r_min, var, r_max)
/* Errata affecting a single variant/revision of a model */
#define ERRATA_MIDR_REV(model, var, rev) \
ERRATA_MIDR_RANGE(model, var, rev, var, rev)
/* Errata affecting all variants/revisions of a given a model */
#define ERRATA_MIDR_ALL_VERSIONS(model) \
.type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM, \
CAP_MIDR_ALL_VERSIONS(model)
/* Errata affecting a list of midr ranges, with same work around */
#define ERRATA_MIDR_RANGE_LIST(midr_list) \
.type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM, \
CAP_MIDR_RANGE_LIST(midr_list)
static const __maybe_unused struct midr_range tx2_family_cpus[] = {
MIDR_ALL_VERSIONS(MIDR_BRCM_VULCAN),
MIDR_ALL_VERSIONS(MIDR_CAVIUM_THUNDERX2),
{},
};
static bool __maybe_unused
needs_tx2_tvm_workaround(const struct arm64_cpu_capabilities *entry,
int scope)
{
int i;
if (!is_affected_midr_range_list(entry, scope) ||
!is_hyp_mode_available())
return false;
for_each_possible_cpu(i) {
if (MPIDR_AFFINITY_LEVEL(cpu_logical_map(i), 0) != 0)
return true;
}
return false;
}
static bool __maybe_unused
has_neoverse_n1_erratum_1542419(const struct arm64_cpu_capabilities *entry,
int scope)
{
u32 midr = read_cpuid_id();
bool has_dic = read_cpuid_cachetype() & BIT(CTR_DIC_SHIFT);
const struct midr_range range = MIDR_ALL_VERSIONS(MIDR_NEOVERSE_N1);
WARN_ON(scope != SCOPE_LOCAL_CPU || preemptible());
return is_midr_in_range(midr, &range) && has_dic;
}
#ifdef CONFIG_ARM64_WORKAROUND_REPEAT_TLBI
static const struct arm64_cpu_capabilities arm64_repeat_tlbi_list[] = {
#ifdef CONFIG_QCOM_FALKOR_ERRATUM_1009
{
ERRATA_MIDR_REV(MIDR_QCOM_FALKOR_V1, 0, 0)
},
{
.midr_range.model = MIDR_QCOM_KRYO,
.matches = is_kryo_midr,
},
#endif
#ifdef CONFIG_ARM64_ERRATUM_1286807
{
ERRATA_MIDR_RANGE(MIDR_CORTEX_A76, 0, 0, 3, 0),
},
{
/* Kryo4xx Gold (rcpe to rfpe) => (r0p0 to r3p0) */
ERRATA_MIDR_RANGE(MIDR_QCOM_KRYO_4XX_GOLD, 0xc, 0xe, 0xf, 0xe),
},
#endif
{},
};
#endif
#ifdef CONFIG_CAVIUM_ERRATUM_27456
const struct midr_range cavium_erratum_27456_cpus[] = {
/* Cavium ThunderX, T88 pass 1.x - 2.1 */
MIDR_RANGE(MIDR_THUNDERX, 0, 0, 1, 1),
/* Cavium ThunderX, T81 pass 1.0 */
MIDR_REV(MIDR_THUNDERX_81XX, 0, 0),
{},
};
#endif
#ifdef CONFIG_CAVIUM_ERRATUM_30115
static const struct midr_range cavium_erratum_30115_cpus[] = {
/* Cavium ThunderX, T88 pass 1.x - 2.2 */
MIDR_RANGE(MIDR_THUNDERX, 0, 0, 1, 2),
/* Cavium ThunderX, T81 pass 1.0 - 1.2 */
MIDR_REV_RANGE(MIDR_THUNDERX_81XX, 0, 0, 2),
/* Cavium ThunderX, T83 pass 1.0 */
MIDR_REV(MIDR_THUNDERX_83XX, 0, 0),
{},
};
#endif
#ifdef CONFIG_QCOM_FALKOR_ERRATUM_1003
static const struct arm64_cpu_capabilities qcom_erratum_1003_list[] = {
{
ERRATA_MIDR_REV(MIDR_QCOM_FALKOR_V1, 0, 0),
},
{
.midr_range.model = MIDR_QCOM_KRYO,
.matches = is_kryo_midr,
},
{},
};
#endif
#ifdef CONFIG_ARM64_WORKAROUND_CLEAN_CACHE
static const struct midr_range workaround_clean_cache[] = {
#if defined(CONFIG_ARM64_ERRATUM_826319) || \
defined(CONFIG_ARM64_ERRATUM_827319) || \
defined(CONFIG_ARM64_ERRATUM_824069)
/* Cortex-A53 r0p[012]: ARM errata 826319, 827319, 824069 */
MIDR_REV_RANGE(MIDR_CORTEX_A53, 0, 0, 2),
#endif
#ifdef CONFIG_ARM64_ERRATUM_819472
/* Cortex-A53 r0p[01] : ARM errata 819472 */
MIDR_REV_RANGE(MIDR_CORTEX_A53, 0, 0, 1),
#endif
{},
};
#endif
#ifdef CONFIG_ARM64_ERRATUM_1418040
/*
* - 1188873 affects r0p0 to r2p0
* - 1418040 affects r0p0 to r3p1
*/
static const struct midr_range erratum_1418040_list[] = {
/* Cortex-A76 r0p0 to r3p1 */
MIDR_RANGE(MIDR_CORTEX_A76, 0, 0, 3, 1),
/* Neoverse-N1 r0p0 to r3p1 */
MIDR_RANGE(MIDR_NEOVERSE_N1, 0, 0, 3, 1),
/* Kryo4xx Gold (rcpe to rfpf) => (r0p0 to r3p1) */
MIDR_RANGE(MIDR_QCOM_KRYO_4XX_GOLD, 0xc, 0xe, 0xf, 0xf),
{},
};
#endif
#ifdef CONFIG_ARM64_ERRATUM_845719
static const struct midr_range erratum_845719_list[] = {
/* Cortex-A53 r0p[01234] */
MIDR_REV_RANGE(MIDR_CORTEX_A53, 0, 0, 4),
/* Brahma-B53 r0p[0] */
MIDR_REV(MIDR_BRAHMA_B53, 0, 0),
/* Kryo2XX Silver rAp4 */
MIDR_REV(MIDR_QCOM_KRYO_2XX_SILVER, 0xa, 0x4),
{},
};
#endif
#ifdef CONFIG_ARM64_ERRATUM_843419
static const struct arm64_cpu_capabilities erratum_843419_list[] = {
{
/* Cortex-A53 r0p[01234] */
.matches = is_affected_midr_range,
ERRATA_MIDR_REV_RANGE(MIDR_CORTEX_A53, 0, 0, 4),
MIDR_FIXED(0x4, BIT(8)),
},
{
/* Brahma-B53 r0p[0] */
.matches = is_affected_midr_range,
ERRATA_MIDR_REV(MIDR_BRAHMA_B53, 0, 0),
},
{},
};
#endif
#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),
/* Kryo4xx Silver (rdpe => r1p0) */
MIDR_REV(MIDR_QCOM_KRYO_4XX_SILVER, 0xd, 0xe),
#endif
{},
};
#endif
#ifdef CONFIG_ARM64_ERRATUM_1463225
static const struct midr_range erratum_1463225[] = {
/* Cortex-A76 r0p0 - r3p1 */
MIDR_RANGE(MIDR_CORTEX_A76, 0, 0, 3, 1),
/* Kryo4xx Gold (rcpe to rfpf) => (r0p0 to r3p1) */
MIDR_RANGE(MIDR_QCOM_KRYO_4XX_GOLD, 0xc, 0xe, 0xf, 0xf),
{},
};
#endif
#ifdef CONFIG_ARM64_WORKAROUND_TSB_FLUSH_FAILURE
static const struct midr_range tsb_flush_fail_cpus[] = {
#ifdef CONFIG_ARM64_ERRATUM_2067961
MIDR_ALL_VERSIONS(MIDR_NEOVERSE_N2),
#endif
#ifdef CONFIG_ARM64_ERRATUM_2054223
MIDR_ALL_VERSIONS(MIDR_CORTEX_A710),
#endif
{},
};
#endif /* CONFIG_ARM64_WORKAROUND_TSB_FLUSH_FAILURE */
#ifdef CONFIG_ARM64_ERRATUM_1742098
static struct midr_range broken_aarch32_aes[] = {
MIDR_RANGE(MIDR_CORTEX_A57, 0, 1, 0xf, 0xf),
MIDR_ALL_VERSIONS(MIDR_CORTEX_A72),
{},
};
#endif
const struct arm64_cpu_capabilities arm64_errata[] = {
#ifdef CONFIG_ARM64_WORKAROUND_CLEAN_CACHE
{
.desc = "ARM errata 826319, 827319, 824069, or 819472",
.capability = ARM64_WORKAROUND_CLEAN_CACHE,
ERRATA_MIDR_RANGE_LIST(workaround_clean_cache),
.cpu_enable = cpu_enable_cache_maint_trap,
},
#endif
#ifdef CONFIG_ARM64_ERRATUM_832075
{
/* Cortex-A57 r0p0 - r1p2 */
.desc = "ARM erratum 832075",
.capability = ARM64_WORKAROUND_DEVICE_LOAD_ACQUIRE,
ERRATA_MIDR_RANGE(MIDR_CORTEX_A57,
0, 0,
1, 2),
},
#endif
#ifdef CONFIG_ARM64_ERRATUM_834220
{
/* Cortex-A57 r0p0 - r1p2 */
.desc = "ARM erratum 834220",
.capability = ARM64_WORKAROUND_834220,
ERRATA_MIDR_RANGE(MIDR_CORTEX_A57,
0, 0,
1, 2),
},
#endif
#ifdef CONFIG_ARM64_ERRATUM_843419
{
.desc = "ARM erratum 843419",
.capability = ARM64_WORKAROUND_843419,
.type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM,
.matches = cpucap_multi_entry_cap_matches,
.match_list = erratum_843419_list,
},
#endif
#ifdef CONFIG_ARM64_ERRATUM_845719
{
.desc = "ARM erratum 845719",
.capability = ARM64_WORKAROUND_845719,
ERRATA_MIDR_RANGE_LIST(erratum_845719_list),
},
#endif
#ifdef CONFIG_CAVIUM_ERRATUM_23154
{
/* Cavium ThunderX, pass 1.x */
.desc = "Cavium erratum 23154",
.capability = ARM64_WORKAROUND_CAVIUM_23154,
ERRATA_MIDR_REV_RANGE(MIDR_THUNDERX, 0, 0, 1),
},
#endif
#ifdef CONFIG_CAVIUM_ERRATUM_27456
{
.desc = "Cavium erratum 27456",
.capability = ARM64_WORKAROUND_CAVIUM_27456,
ERRATA_MIDR_RANGE_LIST(cavium_erratum_27456_cpus),
},
#endif
#ifdef CONFIG_CAVIUM_ERRATUM_30115
{
.desc = "Cavium erratum 30115",
.capability = ARM64_WORKAROUND_CAVIUM_30115,
ERRATA_MIDR_RANGE_LIST(cavium_erratum_30115_cpus),
},
#endif
{
.desc = "Mismatched cache type (CTR_EL0)",
.capability = ARM64_MISMATCHED_CACHE_TYPE,
.matches = has_mismatched_cache_type,
.type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM,
.cpu_enable = cpu_enable_trap_ctr_access,
},
#ifdef CONFIG_QCOM_FALKOR_ERRATUM_1003
{
.desc = "Qualcomm Technologies Falkor/Kryo erratum 1003",
.capability = ARM64_WORKAROUND_QCOM_FALKOR_E1003,
.type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM,
.matches = cpucap_multi_entry_cap_matches,
.match_list = qcom_erratum_1003_list,
},
#endif
#ifdef CONFIG_ARM64_WORKAROUND_REPEAT_TLBI
{
.desc = "Qualcomm erratum 1009, or ARM erratum 1286807",
.capability = ARM64_WORKAROUND_REPEAT_TLBI,
.type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM,
.matches = cpucap_multi_entry_cap_matches,
.match_list = arm64_repeat_tlbi_list,
},
#endif
#ifdef CONFIG_ARM64_ERRATUM_858921
{
/* Cortex-A73 all versions */
.desc = "ARM erratum 858921",
.capability = ARM64_WORKAROUND_858921,
ERRATA_MIDR_ALL_VERSIONS(MIDR_CORTEX_A73),
},
#endif
{
.desc = "Spectre-v2",
.capability = ARM64_SPECTRE_V2,
.type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM,
.matches = has_spectre_v2,
.cpu_enable = spectre_v2_enable_mitigation,
},
#ifdef CONFIG_RANDOMIZE_BASE
{
/* Must come after the Spectre-v2 entry */
.desc = "Spectre-v3a",
.capability = ARM64_SPECTRE_V3A,
.type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM,
.matches = has_spectre_v3a,
.cpu_enable = spectre_v3a_enable_mitigation,
},
#endif
{
.desc = "Spectre-v4",
.capability = ARM64_SPECTRE_V4,
.type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM,
.matches = has_spectre_v4,
.cpu_enable = spectre_v4_enable_mitigation,
},
{
.desc = "Spectre-BHB",
.capability = ARM64_SPECTRE_BHB,
.type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM,
.matches = is_spectre_bhb_affected,
.cpu_enable = spectre_bhb_enable_mitigation,
},
#ifdef CONFIG_ARM64_ERRATUM_1418040
{
.desc = "ARM erratum 1418040",
.capability = ARM64_WORKAROUND_1418040,
ERRATA_MIDR_RANGE_LIST(erratum_1418040_list),
/*
* We need to allow affected CPUs to come in late, but
* also need the non-affected CPUs to be able to come
* in at any point in time. Wonderful.
*/
.type = ARM64_CPUCAP_WEAK_LOCAL_CPU_FEATURE,
},
#endif
#ifdef CONFIG_ARM64_WORKAROUND_SPECULATIVE_AT
{
.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
{
.desc = "ARM erratum 1463225",
.capability = ARM64_WORKAROUND_1463225,
.type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM,
.matches = has_cortex_a76_erratum_1463225,
.midr_range_list = erratum_1463225,
},
#endif
#ifdef CONFIG_CAVIUM_TX2_ERRATUM_219
{
.desc = "Cavium ThunderX2 erratum 219 (KVM guest sysreg trapping)",
.capability = ARM64_WORKAROUND_CAVIUM_TX2_219_TVM,
ERRATA_MIDR_RANGE_LIST(tx2_family_cpus),
.matches = needs_tx2_tvm_workaround,
},
{
.desc = "Cavium ThunderX2 erratum 219 (PRFM removal)",
.capability = ARM64_WORKAROUND_CAVIUM_TX2_219_PRFM,
ERRATA_MIDR_RANGE_LIST(tx2_family_cpus),
},
#endif
#ifdef CONFIG_ARM64_ERRATUM_1542419
{
/* we depend on the firmware portion for correctness */
.desc = "ARM erratum 1542419 (kernel portion)",
.capability = ARM64_WORKAROUND_1542419,
.type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM,
.matches = has_neoverse_n1_erratum_1542419,
.cpu_enable = cpu_enable_trap_ctr_access,
},
#endif
#ifdef CONFIG_ARM64_ERRATUM_1508412
{
/* we depend on the firmware portion for correctness */
.desc = "ARM erratum 1508412 (kernel portion)",
.capability = ARM64_WORKAROUND_1508412,
ERRATA_MIDR_RANGE(MIDR_CORTEX_A77,
0, 0,
1, 0),
},
#endif
#ifdef CONFIG_ARM64_WORKAROUND_TSB_FLUSH_FAILURE
{
.desc = "ARM erratum 2067961 or 2054223",
.capability = ARM64_WORKAROUND_TSB_FLUSH_FAILURE,
ERRATA_MIDR_RANGE_LIST(tsb_flush_fail_cpus),
},
#endif
#ifdef CONFIG_ARM64_ERRATUM_2457168
{
.desc = "ARM erratum 2457168",
.capability = ARM64_WORKAROUND_2457168,
.type = ARM64_CPUCAP_WEAK_LOCAL_CPU_FEATURE,
/* Cortex-A510 r0p0-r1p1 */
CAP_MIDR_RANGE(MIDR_CORTEX_A510, 0, 0, 1, 1)
},
#endif
#ifdef CONFIG_ARM64_ERRATUM_1742098
{
.desc = "ARM erratum 1742098",
.capability = ARM64_WORKAROUND_1742098,
CAP_MIDR_RANGE_LIST(broken_aarch32_aes),
.type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM,
},
#endif
{
}
};