summaryrefslogtreecommitdiff
path: root/arch/arm64/kvm/hyp/nvhe
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm64/kvm/hyp/nvhe')
-rw-r--r--arch/arm64/kvm/hyp/nvhe/Makefile13
-rw-r--r--arch/arm64/kvm/hyp/nvhe/debug-sr.c8
-rw-r--r--arch/arm64/kvm/hyp/nvhe/ffa.c1
-rw-r--r--arch/arm64/kvm/hyp/nvhe/hyp-main.c27
-rw-r--r--arch/arm64/kvm/hyp/nvhe/mem_protect.c8
-rw-r--r--arch/arm64/kvm/hyp/nvhe/pkvm.c14
-rw-r--r--arch/arm64/kvm/hyp/nvhe/psci-relay.c2
-rw-r--r--arch/arm64/kvm/hyp/nvhe/setup.c4
-rw-r--r--arch/arm64/kvm/hyp/nvhe/switch.c18
-rw-r--r--arch/arm64/kvm/hyp/nvhe/tlb.c115
10 files changed, 131 insertions, 79 deletions
diff --git a/arch/arm64/kvm/hyp/nvhe/Makefile b/arch/arm64/kvm/hyp/nvhe/Makefile
index 2250253a6429..50fa0ffb6b7e 100644
--- a/arch/arm64/kvm/hyp/nvhe/Makefile
+++ b/arch/arm64/kvm/hyp/nvhe/Makefile
@@ -97,16 +97,3 @@ KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_FTRACE) $(CC_FLAGS_SCS) $(CC_FLAGS_CFI)
# causes a build failure. Remove profile optimization flags.
KBUILD_CFLAGS := $(filter-out -fprofile-sample-use=% -fprofile-use=%, $(KBUILD_CFLAGS))
KBUILD_CFLAGS += -fno-asynchronous-unwind-tables -fno-unwind-tables
-
-# KVM nVHE code is run at a different exception code with a different map, so
-# compiler instrumentation that inserts callbacks or checks into the code may
-# cause crashes. Just disable it.
-GCOV_PROFILE := n
-KASAN_SANITIZE := n
-KCSAN_SANITIZE := n
-UBSAN_SANITIZE := n
-KCOV_INSTRUMENT := n
-
-# Skip objtool checking for this directory because nVHE code is compiled with
-# non-standard build rules.
-OBJECT_FILES_NON_STANDARD := y
diff --git a/arch/arm64/kvm/hyp/nvhe/debug-sr.c b/arch/arm64/kvm/hyp/nvhe/debug-sr.c
index 7746ea507b6f..53efda0235cf 100644
--- a/arch/arm64/kvm/hyp/nvhe/debug-sr.c
+++ b/arch/arm64/kvm/hyp/nvhe/debug-sr.c
@@ -83,10 +83,10 @@ void __debug_save_host_buffers_nvhe(struct kvm_vcpu *vcpu)
{
/* Disable and flush SPE data generation */
if (vcpu_get_flag(vcpu, DEBUG_STATE_SAVE_SPE))
- __debug_save_spe(&vcpu->arch.host_debug_state.pmscr_el1);
+ __debug_save_spe(host_data_ptr(host_debug_state.pmscr_el1));
/* Disable and flush Self-Hosted Trace generation */
if (vcpu_get_flag(vcpu, DEBUG_STATE_SAVE_TRBE))
- __debug_save_trace(&vcpu->arch.host_debug_state.trfcr_el1);
+ __debug_save_trace(host_data_ptr(host_debug_state.trfcr_el1));
}
void __debug_switch_to_guest(struct kvm_vcpu *vcpu)
@@ -97,9 +97,9 @@ void __debug_switch_to_guest(struct kvm_vcpu *vcpu)
void __debug_restore_host_buffers_nvhe(struct kvm_vcpu *vcpu)
{
if (vcpu_get_flag(vcpu, DEBUG_STATE_SAVE_SPE))
- __debug_restore_spe(vcpu->arch.host_debug_state.pmscr_el1);
+ __debug_restore_spe(*host_data_ptr(host_debug_state.pmscr_el1));
if (vcpu_get_flag(vcpu, DEBUG_STATE_SAVE_TRBE))
- __debug_restore_trace(vcpu->arch.host_debug_state.trfcr_el1);
+ __debug_restore_trace(*host_data_ptr(host_debug_state.trfcr_el1));
}
void __debug_switch_to_host(struct kvm_vcpu *vcpu)
diff --git a/arch/arm64/kvm/hyp/nvhe/ffa.c b/arch/arm64/kvm/hyp/nvhe/ffa.c
index 320f2eaa14a9..02746f9d0980 100644
--- a/arch/arm64/kvm/hyp/nvhe/ffa.c
+++ b/arch/arm64/kvm/hyp/nvhe/ffa.c
@@ -600,7 +600,6 @@ static bool ffa_call_supported(u64 func_id)
case FFA_MSG_POLL:
case FFA_MSG_WAIT:
/* 32-bit variants of 64-bit calls */
- case FFA_MSG_SEND_DIRECT_REQ:
case FFA_MSG_SEND_DIRECT_RESP:
case FFA_RXTX_MAP:
case FFA_MEM_DONATE:
diff --git a/arch/arm64/kvm/hyp/nvhe/hyp-main.c b/arch/arm64/kvm/hyp/nvhe/hyp-main.c
index 2385fd03ed87..d5c48dc98f67 100644
--- a/arch/arm64/kvm/hyp/nvhe/hyp-main.c
+++ b/arch/arm64/kvm/hyp/nvhe/hyp-main.c
@@ -39,10 +39,8 @@ static void flush_hyp_vcpu(struct pkvm_hyp_vcpu *hyp_vcpu)
hyp_vcpu->vcpu.arch.cptr_el2 = host_vcpu->arch.cptr_el2;
hyp_vcpu->vcpu.arch.iflags = host_vcpu->arch.iflags;
- hyp_vcpu->vcpu.arch.fp_state = host_vcpu->arch.fp_state;
hyp_vcpu->vcpu.arch.debug_ptr = kern_hyp_va(host_vcpu->arch.debug_ptr);
- hyp_vcpu->vcpu.arch.host_fpsimd_state = host_vcpu->arch.host_fpsimd_state;
hyp_vcpu->vcpu.arch.vsesr_el2 = host_vcpu->arch.vsesr_el2;
@@ -64,7 +62,6 @@ static void sync_hyp_vcpu(struct pkvm_hyp_vcpu *hyp_vcpu)
host_vcpu->arch.fault = hyp_vcpu->vcpu.arch.fault;
host_vcpu->arch.iflags = hyp_vcpu->vcpu.arch.iflags;
- host_vcpu->arch.fp_state = hyp_vcpu->vcpu.arch.fp_state;
host_cpu_if->vgic_hcr = hyp_cpu_if->vgic_hcr;
for (i = 0; i < hyp_cpu_if->used_lrs; ++i)
@@ -178,16 +175,6 @@ static void handle___vgic_v3_get_gic_config(struct kvm_cpu_context *host_ctxt)
cpu_reg(host_ctxt, 1) = __vgic_v3_get_gic_config();
}
-static void handle___vgic_v3_read_vmcr(struct kvm_cpu_context *host_ctxt)
-{
- cpu_reg(host_ctxt, 1) = __vgic_v3_read_vmcr();
-}
-
-static void handle___vgic_v3_write_vmcr(struct kvm_cpu_context *host_ctxt)
-{
- __vgic_v3_write_vmcr(cpu_reg(host_ctxt, 1));
-}
-
static void handle___vgic_v3_init_lrs(struct kvm_cpu_context *host_ctxt)
{
__vgic_v3_init_lrs();
@@ -198,18 +185,18 @@ static void handle___kvm_get_mdcr_el2(struct kvm_cpu_context *host_ctxt)
cpu_reg(host_ctxt, 1) = __kvm_get_mdcr_el2();
}
-static void handle___vgic_v3_save_aprs(struct kvm_cpu_context *host_ctxt)
+static void handle___vgic_v3_save_vmcr_aprs(struct kvm_cpu_context *host_ctxt)
{
DECLARE_REG(struct vgic_v3_cpu_if *, cpu_if, host_ctxt, 1);
- __vgic_v3_save_aprs(kern_hyp_va(cpu_if));
+ __vgic_v3_save_vmcr_aprs(kern_hyp_va(cpu_if));
}
-static void handle___vgic_v3_restore_aprs(struct kvm_cpu_context *host_ctxt)
+static void handle___vgic_v3_restore_vmcr_aprs(struct kvm_cpu_context *host_ctxt)
{
DECLARE_REG(struct vgic_v3_cpu_if *, cpu_if, host_ctxt, 1);
- __vgic_v3_restore_aprs(kern_hyp_va(cpu_if));
+ __vgic_v3_restore_vmcr_aprs(kern_hyp_va(cpu_if));
}
static void handle___pkvm_init(struct kvm_cpu_context *host_ctxt)
@@ -340,10 +327,8 @@ static const hcall_t host_hcall[] = {
HANDLE_FUNC(__kvm_tlb_flush_vmid_range),
HANDLE_FUNC(__kvm_flush_cpu_context),
HANDLE_FUNC(__kvm_timer_set_cntvoff),
- HANDLE_FUNC(__vgic_v3_read_vmcr),
- HANDLE_FUNC(__vgic_v3_write_vmcr),
- HANDLE_FUNC(__vgic_v3_save_aprs),
- HANDLE_FUNC(__vgic_v3_restore_aprs),
+ HANDLE_FUNC(__vgic_v3_save_vmcr_aprs),
+ HANDLE_FUNC(__vgic_v3_restore_vmcr_aprs),
HANDLE_FUNC(__pkvm_vcpu_init_traps),
HANDLE_FUNC(__pkvm_init_vm),
HANDLE_FUNC(__pkvm_init_vcpu),
diff --git a/arch/arm64/kvm/hyp/nvhe/mem_protect.c b/arch/arm64/kvm/hyp/nvhe/mem_protect.c
index 861c76021a25..caba3e4bd09e 100644
--- a/arch/arm64/kvm/hyp/nvhe/mem_protect.c
+++ b/arch/arm64/kvm/hyp/nvhe/mem_protect.c
@@ -533,7 +533,13 @@ void handle_host_mem_abort(struct kvm_cpu_context *host_ctxt)
int ret = 0;
esr = read_sysreg_el2(SYS_ESR);
- BUG_ON(!__get_fault_info(esr, &fault));
+ if (!__get_fault_info(esr, &fault)) {
+ /*
+ * We've presumably raced with a page-table change which caused
+ * AT to fail, try again.
+ */
+ return;
+ }
addr = (fault.hpfar_el2 & HPFAR_MASK) << 8;
ret = host_stage2_idmap(addr);
diff --git a/arch/arm64/kvm/hyp/nvhe/pkvm.c b/arch/arm64/kvm/hyp/nvhe/pkvm.c
index 26dd9a20ad6e..16aa4875ddb8 100644
--- a/arch/arm64/kvm/hyp/nvhe/pkvm.c
+++ b/arch/arm64/kvm/hyp/nvhe/pkvm.c
@@ -200,7 +200,7 @@ static void pvm_init_trap_regs(struct kvm_vcpu *vcpu)
}
/*
- * Initialize trap register values for protected VMs.
+ * Initialize trap register values in protected mode.
*/
void __pkvm_vcpu_init_traps(struct kvm_vcpu *vcpu)
{
@@ -247,6 +247,17 @@ void pkvm_hyp_vm_table_init(void *tbl)
vm_table = tbl;
}
+void pkvm_host_fpsimd_state_init(void)
+{
+ unsigned long i;
+
+ for (i = 0; i < hyp_nr_cpus; i++) {
+ struct kvm_host_data *host_data = per_cpu_ptr(&kvm_host_data, i);
+
+ host_data->fpsimd_state = &host_data->host_ctxt.fp_regs;
+ }
+}
+
/*
* Return the hyp vm structure corresponding to the handle.
*/
@@ -430,6 +441,7 @@ static void *map_donated_memory(unsigned long host_va, size_t size)
static void __unmap_donated_memory(void *va, size_t size)
{
+ kvm_flush_dcache_to_poc(va, size);
WARN_ON(__pkvm_hyp_donate_host(hyp_virt_to_pfn(va),
PAGE_ALIGN(size) >> PAGE_SHIFT));
}
diff --git a/arch/arm64/kvm/hyp/nvhe/psci-relay.c b/arch/arm64/kvm/hyp/nvhe/psci-relay.c
index d57bcb6ab94d..dfe8fe0f7eaf 100644
--- a/arch/arm64/kvm/hyp/nvhe/psci-relay.c
+++ b/arch/arm64/kvm/hyp/nvhe/psci-relay.c
@@ -205,7 +205,7 @@ asmlinkage void __noreturn __kvm_host_psci_cpu_entry(bool is_cpu_on)
struct psci_boot_args *boot_args;
struct kvm_cpu_context *host_ctxt;
- host_ctxt = &this_cpu_ptr(&kvm_host_data)->host_ctxt;
+ host_ctxt = host_data_ptr(host_ctxt);
if (is_cpu_on)
boot_args = this_cpu_ptr(&cpu_on_args);
diff --git a/arch/arm64/kvm/hyp/nvhe/setup.c b/arch/arm64/kvm/hyp/nvhe/setup.c
index bc58d1b515af..859f22f754d3 100644
--- a/arch/arm64/kvm/hyp/nvhe/setup.c
+++ b/arch/arm64/kvm/hyp/nvhe/setup.c
@@ -257,8 +257,7 @@ static int fix_hyp_pgtable_refcnt(void)
void __noreturn __pkvm_init_finalise(void)
{
- struct kvm_host_data *host_data = this_cpu_ptr(&kvm_host_data);
- struct kvm_cpu_context *host_ctxt = &host_data->host_ctxt;
+ struct kvm_cpu_context *host_ctxt = host_data_ptr(host_ctxt);
unsigned long nr_pages, reserved_pages, pfn;
int ret;
@@ -301,6 +300,7 @@ void __noreturn __pkvm_init_finalise(void)
goto out;
pkvm_hyp_vm_table_init(vm_table_base);
+ pkvm_host_fpsimd_state_init();
out:
/*
* We tail-called to here from handle___pkvm_init() and will not return,
diff --git a/arch/arm64/kvm/hyp/nvhe/switch.c b/arch/arm64/kvm/hyp/nvhe/switch.c
index c50f8459e4fc..6758cd905570 100644
--- a/arch/arm64/kvm/hyp/nvhe/switch.c
+++ b/arch/arm64/kvm/hyp/nvhe/switch.c
@@ -40,7 +40,7 @@ static void __activate_traps(struct kvm_vcpu *vcpu)
{
u64 val;
- ___activate_traps(vcpu);
+ ___activate_traps(vcpu, vcpu->arch.hcr_el2);
__activate_traps_common(vcpu);
val = vcpu->arch.cptr_el2;
@@ -53,7 +53,7 @@ static void __activate_traps(struct kvm_vcpu *vcpu)
val |= CPTR_EL2_TSM;
}
- if (!guest_owns_fp_regs(vcpu)) {
+ if (!guest_owns_fp_regs()) {
if (has_hvhe())
val &= ~(CPACR_EL1_FPEN_EL0EN | CPACR_EL1_FPEN_EL1EN |
CPACR_EL1_ZEN_EL0EN | CPACR_EL1_ZEN_EL1EN);
@@ -191,7 +191,6 @@ static const exit_handler_fn hyp_exit_handlers[] = {
[ESR_ELx_EC_IABT_LOW] = kvm_hyp_handle_iabt_low,
[ESR_ELx_EC_DABT_LOW] = kvm_hyp_handle_dabt_low,
[ESR_ELx_EC_WATCHPT_LOW] = kvm_hyp_handle_watchpt_low,
- [ESR_ELx_EC_PAC] = kvm_hyp_handle_ptrauth,
[ESR_ELx_EC_MOPS] = kvm_hyp_handle_mops,
};
@@ -203,13 +202,12 @@ static const exit_handler_fn pvm_exit_handlers[] = {
[ESR_ELx_EC_IABT_LOW] = kvm_hyp_handle_iabt_low,
[ESR_ELx_EC_DABT_LOW] = kvm_hyp_handle_dabt_low,
[ESR_ELx_EC_WATCHPT_LOW] = kvm_hyp_handle_watchpt_low,
- [ESR_ELx_EC_PAC] = kvm_hyp_handle_ptrauth,
[ESR_ELx_EC_MOPS] = kvm_hyp_handle_mops,
};
static const exit_handler_fn *kvm_get_exit_handler_array(struct kvm_vcpu *vcpu)
{
- if (unlikely(kvm_vm_is_protected(kern_hyp_va(vcpu->kvm))))
+ if (unlikely(vcpu_is_protected(vcpu)))
return pvm_exit_handlers;
return hyp_exit_handlers;
@@ -228,9 +226,7 @@ static const exit_handler_fn *kvm_get_exit_handler_array(struct kvm_vcpu *vcpu)
*/
static void early_exit_filter(struct kvm_vcpu *vcpu, u64 *exit_code)
{
- struct kvm *kvm = kern_hyp_va(vcpu->kvm);
-
- if (kvm_vm_is_protected(kvm) && vcpu_mode_is_32bit(vcpu)) {
+ if (unlikely(vcpu_is_protected(vcpu) && vcpu_mode_is_32bit(vcpu))) {
/*
* As we have caught the guest red-handed, decide that it isn't
* fit for purpose anymore by making the vcpu invalid. The VMM
@@ -264,7 +260,7 @@ int __kvm_vcpu_run(struct kvm_vcpu *vcpu)
pmr_sync();
}
- host_ctxt = &this_cpu_ptr(&kvm_host_data)->host_ctxt;
+ host_ctxt = host_data_ptr(host_ctxt);
host_ctxt->__hyp_running_vcpu = vcpu;
guest_ctxt = &vcpu->arch.ctxt;
@@ -337,7 +333,7 @@ int __kvm_vcpu_run(struct kvm_vcpu *vcpu)
__sysreg_restore_state_nvhe(host_ctxt);
- if (vcpu->arch.fp_state == FP_STATE_GUEST_OWNED)
+ if (guest_owns_fp_regs())
__fpsimd_save_fpexc32(vcpu);
__debug_switch_to_host(vcpu);
@@ -367,7 +363,7 @@ asmlinkage void __noreturn hyp_panic(void)
struct kvm_cpu_context *host_ctxt;
struct kvm_vcpu *vcpu;
- host_ctxt = &this_cpu_ptr(&kvm_host_data)->host_ctxt;
+ host_ctxt = host_data_ptr(host_ctxt);
vcpu = host_ctxt->__hyp_running_vcpu;
if (vcpu) {
diff --git a/arch/arm64/kvm/hyp/nvhe/tlb.c b/arch/arm64/kvm/hyp/nvhe/tlb.c
index 2fc68da4036d..ca3c09df8d7c 100644
--- a/arch/arm64/kvm/hyp/nvhe/tlb.c
+++ b/arch/arm64/kvm/hyp/nvhe/tlb.c
@@ -11,13 +11,23 @@
#include <nvhe/mem_protect.h>
struct tlb_inv_context {
- u64 tcr;
+ struct kvm_s2_mmu *mmu;
+ u64 tcr;
+ u64 sctlr;
};
-static void __tlb_switch_to_guest(struct kvm_s2_mmu *mmu,
- struct tlb_inv_context *cxt,
- bool nsh)
+static void enter_vmid_context(struct kvm_s2_mmu *mmu,
+ struct tlb_inv_context *cxt,
+ bool nsh)
{
+ struct kvm_s2_mmu *host_s2_mmu = &host_mmu.arch.mmu;
+ struct kvm_cpu_context *host_ctxt;
+ struct kvm_vcpu *vcpu;
+
+ host_ctxt = &this_cpu_ptr(&kvm_host_data)->host_ctxt;
+ vcpu = host_ctxt->__hyp_running_vcpu;
+ cxt->mmu = NULL;
+
/*
* We have two requirements:
*
@@ -40,20 +50,55 @@ static void __tlb_switch_to_guest(struct kvm_s2_mmu *mmu,
else
dsb(ish);
+ /*
+ * If we're already in the desired context, then there's nothing to do.
+ */
+ if (vcpu) {
+ /*
+ * We're in guest context. However, for this to work, this needs
+ * to be called from within __kvm_vcpu_run(), which ensures that
+ * __hyp_running_vcpu is set to the current guest vcpu.
+ */
+ if (mmu == vcpu->arch.hw_mmu || WARN_ON(mmu != host_s2_mmu))
+ return;
+
+ cxt->mmu = vcpu->arch.hw_mmu;
+ } else {
+ /* We're in host context. */
+ if (mmu == host_s2_mmu)
+ return;
+
+ cxt->mmu = host_s2_mmu;
+ }
+
if (cpus_have_final_cap(ARM64_WORKAROUND_SPECULATIVE_AT)) {
u64 val;
/*
* For CPUs that are affected by ARM 1319367, we need to
- * avoid a host Stage-1 walk while we have the guest's
- * VMID set in the VTTBR in order to invalidate TLBs.
- * We're guaranteed that the S1 MMU is enabled, so we can
- * simply set the EPD bits to avoid any further TLB fill.
+ * avoid a Stage-1 walk with the old VMID while we have
+ * the new VMID set in the VTTBR in order to invalidate TLBs.
+ * We're guaranteed that the host S1 MMU is enabled, so
+ * we can simply set the EPD bits to avoid any further
+ * TLB fill. For guests, we ensure that the S1 MMU is
+ * temporarily enabled in the next context.
*/
val = cxt->tcr = read_sysreg_el1(SYS_TCR);
val |= TCR_EPD1_MASK | TCR_EPD0_MASK;
write_sysreg_el1(val, SYS_TCR);
isb();
+
+ if (vcpu) {
+ val = cxt->sctlr = read_sysreg_el1(SYS_SCTLR);
+ if (!(val & SCTLR_ELx_M)) {
+ val |= SCTLR_ELx_M;
+ write_sysreg_el1(val, SYS_SCTLR);
+ isb();
+ }
+ } else {
+ /* The host S1 MMU is always enabled. */
+ cxt->sctlr = SCTLR_ELx_M;
+ }
}
/*
@@ -62,18 +107,40 @@ static void __tlb_switch_to_guest(struct kvm_s2_mmu *mmu,
* ensuring that we always have an ISB, but not two ISBs back
* to back.
*/
- __load_stage2(mmu, kern_hyp_va(mmu->arch));
+ if (vcpu)
+ __load_host_stage2();
+ else
+ __load_stage2(mmu, kern_hyp_va(mmu->arch));
+
asm(ALTERNATIVE("isb", "nop", ARM64_WORKAROUND_SPECULATIVE_AT));
}
-static void __tlb_switch_to_host(struct tlb_inv_context *cxt)
+static void exit_vmid_context(struct tlb_inv_context *cxt)
{
- __load_host_stage2();
+ struct kvm_s2_mmu *mmu = cxt->mmu;
+ struct kvm_cpu_context *host_ctxt;
+ struct kvm_vcpu *vcpu;
+
+ host_ctxt = &this_cpu_ptr(&kvm_host_data)->host_ctxt;
+ vcpu = host_ctxt->__hyp_running_vcpu;
+
+ if (!mmu)
+ return;
+
+ if (vcpu)
+ __load_stage2(mmu, kern_hyp_va(mmu->arch));
+ else
+ __load_host_stage2();
if (cpus_have_final_cap(ARM64_WORKAROUND_SPECULATIVE_AT)) {
- /* Ensure write of the host VMID */
+ /* Ensure write of the old VMID */
isb();
- /* Restore the host's TCR_EL1 */
+
+ if (!(cxt->sctlr & SCTLR_ELx_M)) {
+ write_sysreg_el1(cxt->sctlr, SYS_SCTLR);
+ isb();
+ }
+
write_sysreg_el1(cxt->tcr, SYS_TCR);
}
}
@@ -84,7 +151,7 @@ void __kvm_tlb_flush_vmid_ipa(struct kvm_s2_mmu *mmu,
struct tlb_inv_context cxt;
/* Switch to requested VMID */
- __tlb_switch_to_guest(mmu, &cxt, false);
+ enter_vmid_context(mmu, &cxt, false);
/*
* We could do so much better if we had the VA as well.
@@ -105,7 +172,7 @@ void __kvm_tlb_flush_vmid_ipa(struct kvm_s2_mmu *mmu,
dsb(ish);
isb();
- __tlb_switch_to_host(&cxt);
+ exit_vmid_context(&cxt);
}
void __kvm_tlb_flush_vmid_ipa_nsh(struct kvm_s2_mmu *mmu,
@@ -114,7 +181,7 @@ void __kvm_tlb_flush_vmid_ipa_nsh(struct kvm_s2_mmu *mmu,
struct tlb_inv_context cxt;
/* Switch to requested VMID */
- __tlb_switch_to_guest(mmu, &cxt, true);
+ enter_vmid_context(mmu, &cxt, true);
/*
* We could do so much better if we had the VA as well.
@@ -135,7 +202,7 @@ void __kvm_tlb_flush_vmid_ipa_nsh(struct kvm_s2_mmu *mmu,
dsb(nsh);
isb();
- __tlb_switch_to_host(&cxt);
+ exit_vmid_context(&cxt);
}
void __kvm_tlb_flush_vmid_range(struct kvm_s2_mmu *mmu,
@@ -152,7 +219,7 @@ void __kvm_tlb_flush_vmid_range(struct kvm_s2_mmu *mmu,
start = round_down(start, stride);
/* Switch to requested VMID */
- __tlb_switch_to_guest(mmu, &cxt, false);
+ enter_vmid_context(mmu, &cxt, false);
__flush_s2_tlb_range_op(ipas2e1is, start, pages, stride,
TLBI_TTL_UNKNOWN);
@@ -162,7 +229,7 @@ void __kvm_tlb_flush_vmid_range(struct kvm_s2_mmu *mmu,
dsb(ish);
isb();
- __tlb_switch_to_host(&cxt);
+ exit_vmid_context(&cxt);
}
void __kvm_tlb_flush_vmid(struct kvm_s2_mmu *mmu)
@@ -170,13 +237,13 @@ void __kvm_tlb_flush_vmid(struct kvm_s2_mmu *mmu)
struct tlb_inv_context cxt;
/* Switch to requested VMID */
- __tlb_switch_to_guest(mmu, &cxt, false);
+ enter_vmid_context(mmu, &cxt, false);
__tlbi(vmalls12e1is);
dsb(ish);
isb();
- __tlb_switch_to_host(&cxt);
+ exit_vmid_context(&cxt);
}
void __kvm_flush_cpu_context(struct kvm_s2_mmu *mmu)
@@ -184,19 +251,19 @@ void __kvm_flush_cpu_context(struct kvm_s2_mmu *mmu)
struct tlb_inv_context cxt;
/* Switch to requested VMID */
- __tlb_switch_to_guest(mmu, &cxt, false);
+ enter_vmid_context(mmu, &cxt, false);
__tlbi(vmalle1);
asm volatile("ic iallu");
dsb(nsh);
isb();
- __tlb_switch_to_host(&cxt);
+ exit_vmid_context(&cxt);
}
void __kvm_flush_vm_context(void)
{
- /* Same remark as in __tlb_switch_to_guest() */
+ /* Same remark as in enter_vmid_context() */
dsb(ish);
__tlbi(alle1is);
dsb(ish);