Commit c34b26b9 authored by Tianjia Zhang's avatar Tianjia Zhang Committed by Paolo Bonzini

KVM: MIPS: clean up redundant 'kvm_run' parameters

In the current kvm version, 'kvm_run' has been included in the 'kvm_vcpu'
structure. For historical reasons, many kvm-related function parameters
retain the 'kvm_run' and 'kvm_vcpu' parameters at the same time. This
patch does a unified cleanup of these remaining redundant parameters.
Signed-off-by: default avatarTianjia Zhang <tianjia.zhang@linux.alibaba.com>
Reviewed-by: default avatarHuacai Chen <chenhc@lemote.com>
Message-Id: <20200623131418.31473-5-tianjia.zhang@linux.alibaba.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 74cc7e0c
...@@ -843,8 +843,8 @@ struct kvm_mips_callbacks { ...@@ -843,8 +843,8 @@ struct kvm_mips_callbacks {
const struct kvm_one_reg *reg, s64 v); const struct kvm_one_reg *reg, s64 v);
int (*vcpu_load)(struct kvm_vcpu *vcpu, int cpu); int (*vcpu_load)(struct kvm_vcpu *vcpu, int cpu);
int (*vcpu_put)(struct kvm_vcpu *vcpu, int cpu); int (*vcpu_put)(struct kvm_vcpu *vcpu, int cpu);
int (*vcpu_run)(struct kvm_run *run, struct kvm_vcpu *vcpu); int (*vcpu_run)(struct kvm_vcpu *vcpu);
void (*vcpu_reenter)(struct kvm_run *run, struct kvm_vcpu *vcpu); void (*vcpu_reenter)(struct kvm_vcpu *vcpu);
}; };
extern struct kvm_mips_callbacks *kvm_mips_callbacks; extern struct kvm_mips_callbacks *kvm_mips_callbacks;
int kvm_mips_emulation_init(struct kvm_mips_callbacks **install_callbacks); int kvm_mips_emulation_init(struct kvm_mips_callbacks **install_callbacks);
...@@ -899,7 +899,6 @@ extern int kvm_mips_handle_mapped_seg_tlb_fault(struct kvm_vcpu *vcpu, ...@@ -899,7 +899,6 @@ extern int kvm_mips_handle_mapped_seg_tlb_fault(struct kvm_vcpu *vcpu,
extern enum emulation_result kvm_mips_handle_tlbmiss(u32 cause, extern enum emulation_result kvm_mips_handle_tlbmiss(u32 cause,
u32 *opc, u32 *opc,
struct kvm_run *run,
struct kvm_vcpu *vcpu, struct kvm_vcpu *vcpu,
bool write_fault); bool write_fault);
...@@ -1010,83 +1009,67 @@ static inline bool kvm_is_ifetch_fault(struct kvm_vcpu_arch *vcpu) ...@@ -1010,83 +1009,67 @@ static inline bool kvm_is_ifetch_fault(struct kvm_vcpu_arch *vcpu)
extern enum emulation_result kvm_mips_emulate_inst(u32 cause, extern enum emulation_result kvm_mips_emulate_inst(u32 cause,
u32 *opc, u32 *opc,
struct kvm_run *run,
struct kvm_vcpu *vcpu); struct kvm_vcpu *vcpu);
long kvm_mips_guest_exception_base(struct kvm_vcpu *vcpu); long kvm_mips_guest_exception_base(struct kvm_vcpu *vcpu);
extern enum emulation_result kvm_mips_emulate_syscall(u32 cause, extern enum emulation_result kvm_mips_emulate_syscall(u32 cause,
u32 *opc, u32 *opc,
struct kvm_run *run,
struct kvm_vcpu *vcpu); struct kvm_vcpu *vcpu);
extern enum emulation_result kvm_mips_emulate_tlbmiss_ld(u32 cause, extern enum emulation_result kvm_mips_emulate_tlbmiss_ld(u32 cause,
u32 *opc, u32 *opc,
struct kvm_run *run,
struct kvm_vcpu *vcpu); struct kvm_vcpu *vcpu);
extern enum emulation_result kvm_mips_emulate_tlbinv_ld(u32 cause, extern enum emulation_result kvm_mips_emulate_tlbinv_ld(u32 cause,
u32 *opc, u32 *opc,
struct kvm_run *run,
struct kvm_vcpu *vcpu); struct kvm_vcpu *vcpu);
extern enum emulation_result kvm_mips_emulate_tlbmiss_st(u32 cause, extern enum emulation_result kvm_mips_emulate_tlbmiss_st(u32 cause,
u32 *opc, u32 *opc,
struct kvm_run *run,
struct kvm_vcpu *vcpu); struct kvm_vcpu *vcpu);
extern enum emulation_result kvm_mips_emulate_tlbinv_st(u32 cause, extern enum emulation_result kvm_mips_emulate_tlbinv_st(u32 cause,
u32 *opc, u32 *opc,
struct kvm_run *run,
struct kvm_vcpu *vcpu); struct kvm_vcpu *vcpu);
extern enum emulation_result kvm_mips_emulate_tlbmod(u32 cause, extern enum emulation_result kvm_mips_emulate_tlbmod(u32 cause,
u32 *opc, u32 *opc,
struct kvm_run *run,
struct kvm_vcpu *vcpu); struct kvm_vcpu *vcpu);
extern enum emulation_result kvm_mips_emulate_fpu_exc(u32 cause, extern enum emulation_result kvm_mips_emulate_fpu_exc(u32 cause,
u32 *opc, u32 *opc,
struct kvm_run *run,
struct kvm_vcpu *vcpu); struct kvm_vcpu *vcpu);
extern enum emulation_result kvm_mips_handle_ri(u32 cause, extern enum emulation_result kvm_mips_handle_ri(u32 cause,
u32 *opc, u32 *opc,
struct kvm_run *run,
struct kvm_vcpu *vcpu); struct kvm_vcpu *vcpu);
extern enum emulation_result kvm_mips_emulate_ri_exc(u32 cause, extern enum emulation_result kvm_mips_emulate_ri_exc(u32 cause,
u32 *opc, u32 *opc,
struct kvm_run *run,
struct kvm_vcpu *vcpu); struct kvm_vcpu *vcpu);
extern enum emulation_result kvm_mips_emulate_bp_exc(u32 cause, extern enum emulation_result kvm_mips_emulate_bp_exc(u32 cause,
u32 *opc, u32 *opc,
struct kvm_run *run,
struct kvm_vcpu *vcpu); struct kvm_vcpu *vcpu);
extern enum emulation_result kvm_mips_emulate_trap_exc(u32 cause, extern enum emulation_result kvm_mips_emulate_trap_exc(u32 cause,
u32 *opc, u32 *opc,
struct kvm_run *run,
struct kvm_vcpu *vcpu); struct kvm_vcpu *vcpu);
extern enum emulation_result kvm_mips_emulate_msafpe_exc(u32 cause, extern enum emulation_result kvm_mips_emulate_msafpe_exc(u32 cause,
u32 *opc, u32 *opc,
struct kvm_run *run,
struct kvm_vcpu *vcpu); struct kvm_vcpu *vcpu);
extern enum emulation_result kvm_mips_emulate_fpe_exc(u32 cause, extern enum emulation_result kvm_mips_emulate_fpe_exc(u32 cause,
u32 *opc, u32 *opc,
struct kvm_run *run,
struct kvm_vcpu *vcpu); struct kvm_vcpu *vcpu);
extern enum emulation_result kvm_mips_emulate_msadis_exc(u32 cause, extern enum emulation_result kvm_mips_emulate_msadis_exc(u32 cause,
u32 *opc, u32 *opc,
struct kvm_run *run,
struct kvm_vcpu *vcpu); struct kvm_vcpu *vcpu);
extern enum emulation_result kvm_mips_complete_mmio_load(struct kvm_vcpu *vcpu, extern enum emulation_result kvm_mips_complete_mmio_load(struct kvm_vcpu *vcpu);
struct kvm_run *run);
u32 kvm_mips_read_count(struct kvm_vcpu *vcpu); u32 kvm_mips_read_count(struct kvm_vcpu *vcpu);
void kvm_mips_write_count(struct kvm_vcpu *vcpu, u32 count); void kvm_mips_write_count(struct kvm_vcpu *vcpu, u32 count);
...@@ -1115,26 +1098,21 @@ static inline void kvm_vz_lose_htimer(struct kvm_vcpu *vcpu) {} ...@@ -1115,26 +1098,21 @@ static inline void kvm_vz_lose_htimer(struct kvm_vcpu *vcpu) {}
enum emulation_result kvm_mips_check_privilege(u32 cause, enum emulation_result kvm_mips_check_privilege(u32 cause,
u32 *opc, u32 *opc,
struct kvm_run *run,
struct kvm_vcpu *vcpu); struct kvm_vcpu *vcpu);
enum emulation_result kvm_mips_emulate_cache(union mips_instruction inst, enum emulation_result kvm_mips_emulate_cache(union mips_instruction inst,
u32 *opc, u32 *opc,
u32 cause, u32 cause,
struct kvm_run *run,
struct kvm_vcpu *vcpu); struct kvm_vcpu *vcpu);
enum emulation_result kvm_mips_emulate_CP0(union mips_instruction inst, enum emulation_result kvm_mips_emulate_CP0(union mips_instruction inst,
u32 *opc, u32 *opc,
u32 cause, u32 cause,
struct kvm_run *run,
struct kvm_vcpu *vcpu); struct kvm_vcpu *vcpu);
enum emulation_result kvm_mips_emulate_store(union mips_instruction inst, enum emulation_result kvm_mips_emulate_store(union mips_instruction inst,
u32 cause, u32 cause,
struct kvm_run *run,
struct kvm_vcpu *vcpu); struct kvm_vcpu *vcpu);
enum emulation_result kvm_mips_emulate_load(union mips_instruction inst, enum emulation_result kvm_mips_emulate_load(union mips_instruction inst,
u32 cause, u32 cause,
struct kvm_run *run,
struct kvm_vcpu *vcpu); struct kvm_vcpu *vcpu);
/* COP0 */ /* COP0 */
......
This diff is collapsed.
...@@ -450,7 +450,6 @@ int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu, ...@@ -450,7 +450,6 @@ int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu,
int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu) int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu)
{ {
struct kvm_run *run = vcpu->run;
int r = -EINTR; int r = -EINTR;
vcpu_load(vcpu); vcpu_load(vcpu);
...@@ -459,11 +458,11 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu) ...@@ -459,11 +458,11 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu)
if (vcpu->mmio_needed) { if (vcpu->mmio_needed) {
if (!vcpu->mmio_is_write) if (!vcpu->mmio_is_write)
kvm_mips_complete_mmio_load(vcpu, run); kvm_mips_complete_mmio_load(vcpu);
vcpu->mmio_needed = 0; vcpu->mmio_needed = 0;
} }
if (run->immediate_exit) if (vcpu->run->immediate_exit)
goto out; goto out;
lose_fpu(1); lose_fpu(1);
...@@ -480,7 +479,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu) ...@@ -480,7 +479,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu)
*/ */
smp_store_mb(vcpu->mode, IN_GUEST_MODE); smp_store_mb(vcpu->mode, IN_GUEST_MODE);
r = kvm_mips_callbacks->vcpu_run(run, vcpu); r = kvm_mips_callbacks->vcpu_run(vcpu);
trace_kvm_out(vcpu); trace_kvm_out(vcpu);
guest_exit_irqoff(); guest_exit_irqoff();
...@@ -1236,7 +1235,7 @@ int kvm_mips_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu) ...@@ -1236,7 +1235,7 @@ int kvm_mips_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu)
* end up causing an exception to be delivered to the Guest * end up causing an exception to be delivered to the Guest
* Kernel * Kernel
*/ */
er = kvm_mips_check_privilege(cause, opc, run, vcpu); er = kvm_mips_check_privilege(cause, opc, vcpu);
if (er == EMULATE_PRIV_FAIL) { if (er == EMULATE_PRIV_FAIL) {
goto skip_emul; goto skip_emul;
} else if (er == EMULATE_FAIL) { } else if (er == EMULATE_FAIL) {
...@@ -1385,7 +1384,7 @@ int kvm_mips_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu) ...@@ -1385,7 +1384,7 @@ int kvm_mips_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu)
*/ */
smp_store_mb(vcpu->mode, IN_GUEST_MODE); smp_store_mb(vcpu->mode, IN_GUEST_MODE);
kvm_mips_callbacks->vcpu_reenter(run, vcpu); kvm_mips_callbacks->vcpu_reenter(vcpu);
/* /*
* If FPU / MSA are enabled (i.e. the guest's FPU / MSA context * If FPU / MSA are enabled (i.e. the guest's FPU / MSA context
......
This diff is collapsed.
...@@ -874,7 +874,6 @@ static void kvm_write_maari(struct kvm_vcpu *vcpu, unsigned long val) ...@@ -874,7 +874,6 @@ static void kvm_write_maari(struct kvm_vcpu *vcpu, unsigned long val)
static enum emulation_result kvm_vz_gpsi_cop0(union mips_instruction inst, static enum emulation_result kvm_vz_gpsi_cop0(union mips_instruction inst,
u32 *opc, u32 cause, u32 *opc, u32 cause,
struct kvm_run *run,
struct kvm_vcpu *vcpu) struct kvm_vcpu *vcpu)
{ {
struct mips_coproc *cop0 = vcpu->arch.cop0; struct mips_coproc *cop0 = vcpu->arch.cop0;
...@@ -1074,7 +1073,6 @@ static enum emulation_result kvm_vz_gpsi_cop0(union mips_instruction inst, ...@@ -1074,7 +1073,6 @@ static enum emulation_result kvm_vz_gpsi_cop0(union mips_instruction inst,
static enum emulation_result kvm_vz_gpsi_cache(union mips_instruction inst, static enum emulation_result kvm_vz_gpsi_cache(union mips_instruction inst,
u32 *opc, u32 cause, u32 *opc, u32 cause,
struct kvm_run *run,
struct kvm_vcpu *vcpu) struct kvm_vcpu *vcpu)
{ {
enum emulation_result er = EMULATE_DONE; enum emulation_result er = EMULATE_DONE;
...@@ -1217,7 +1215,6 @@ static enum emulation_result kvm_trap_vz_handle_gpsi(u32 cause, u32 *opc, ...@@ -1217,7 +1215,6 @@ static enum emulation_result kvm_trap_vz_handle_gpsi(u32 cause, u32 *opc,
{ {
enum emulation_result er = EMULATE_DONE; enum emulation_result er = EMULATE_DONE;
struct kvm_vcpu_arch *arch = &vcpu->arch; struct kvm_vcpu_arch *arch = &vcpu->arch;
struct kvm_run *run = vcpu->run;
union mips_instruction inst; union mips_instruction inst;
int rd, rt, sel; int rd, rt, sel;
int err; int err;
...@@ -1233,12 +1230,12 @@ static enum emulation_result kvm_trap_vz_handle_gpsi(u32 cause, u32 *opc, ...@@ -1233,12 +1230,12 @@ static enum emulation_result kvm_trap_vz_handle_gpsi(u32 cause, u32 *opc,
switch (inst.r_format.opcode) { switch (inst.r_format.opcode) {
case cop0_op: case cop0_op:
er = kvm_vz_gpsi_cop0(inst, opc, cause, run, vcpu); er = kvm_vz_gpsi_cop0(inst, opc, cause, vcpu);
break; break;
#ifndef CONFIG_CPU_MIPSR6 #ifndef CONFIG_CPU_MIPSR6
case cache_op: case cache_op:
trace_kvm_exit(vcpu, KVM_TRACE_EXIT_CACHE); trace_kvm_exit(vcpu, KVM_TRACE_EXIT_CACHE);
er = kvm_vz_gpsi_cache(inst, opc, cause, run, vcpu); er = kvm_vz_gpsi_cache(inst, opc, cause, vcpu);
break; break;
#endif #endif
#ifdef CONFIG_CPU_LOONGSON64 #ifdef CONFIG_CPU_LOONGSON64
...@@ -1251,7 +1248,7 @@ static enum emulation_result kvm_trap_vz_handle_gpsi(u32 cause, u32 *opc, ...@@ -1251,7 +1248,7 @@ static enum emulation_result kvm_trap_vz_handle_gpsi(u32 cause, u32 *opc,
#ifdef CONFIG_CPU_MIPSR6 #ifdef CONFIG_CPU_MIPSR6
case cache6_op: case cache6_op:
trace_kvm_exit(vcpu, KVM_TRACE_EXIT_CACHE); trace_kvm_exit(vcpu, KVM_TRACE_EXIT_CACHE);
er = kvm_vz_gpsi_cache(inst, opc, cause, run, vcpu); er = kvm_vz_gpsi_cache(inst, opc, cause, vcpu);
break; break;
#endif #endif
case rdhwr_op: case rdhwr_op:
...@@ -1553,7 +1550,6 @@ static int kvm_trap_vz_handle_guest_exit(struct kvm_vcpu *vcpu) ...@@ -1553,7 +1550,6 @@ static int kvm_trap_vz_handle_guest_exit(struct kvm_vcpu *vcpu)
*/ */
static int kvm_trap_vz_handle_cop_unusable(struct kvm_vcpu *vcpu) static int kvm_trap_vz_handle_cop_unusable(struct kvm_vcpu *vcpu)
{ {
struct kvm_run *run = vcpu->run;
u32 cause = vcpu->arch.host_cp0_cause; u32 cause = vcpu->arch.host_cp0_cause;
enum emulation_result er = EMULATE_FAIL; enum emulation_result er = EMULATE_FAIL;
int ret = RESUME_GUEST; int ret = RESUME_GUEST;
...@@ -1581,7 +1577,7 @@ static int kvm_trap_vz_handle_cop_unusable(struct kvm_vcpu *vcpu) ...@@ -1581,7 +1577,7 @@ static int kvm_trap_vz_handle_cop_unusable(struct kvm_vcpu *vcpu)
break; break;
case EMULATE_FAIL: case EMULATE_FAIL:
run->exit_reason = KVM_EXIT_INTERNAL_ERROR; vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
ret = RESUME_HOST; ret = RESUME_HOST;
break; break;
...@@ -1600,8 +1596,6 @@ static int kvm_trap_vz_handle_cop_unusable(struct kvm_vcpu *vcpu) ...@@ -1600,8 +1596,6 @@ static int kvm_trap_vz_handle_cop_unusable(struct kvm_vcpu *vcpu)
*/ */
static int kvm_trap_vz_handle_msa_disabled(struct kvm_vcpu *vcpu) static int kvm_trap_vz_handle_msa_disabled(struct kvm_vcpu *vcpu)
{ {
struct kvm_run *run = vcpu->run;
/* /*
* If MSA not present or not exposed to guest or FR=0, the MSA operation * If MSA not present or not exposed to guest or FR=0, the MSA operation
* should have been treated as a reserved instruction! * should have been treated as a reserved instruction!
...@@ -1612,7 +1606,7 @@ static int kvm_trap_vz_handle_msa_disabled(struct kvm_vcpu *vcpu) ...@@ -1612,7 +1606,7 @@ static int kvm_trap_vz_handle_msa_disabled(struct kvm_vcpu *vcpu)
(read_gc0_status() & (ST0_CU1 | ST0_FR)) == ST0_CU1 || (read_gc0_status() & (ST0_CU1 | ST0_FR)) == ST0_CU1 ||
!(read_gc0_config5() & MIPS_CONF5_MSAEN) || !(read_gc0_config5() & MIPS_CONF5_MSAEN) ||
vcpu->arch.aux_inuse & KVM_MIPS_AUX_MSA) { vcpu->arch.aux_inuse & KVM_MIPS_AUX_MSA) {
run->exit_reason = KVM_EXIT_INTERNAL_ERROR; vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
return RESUME_HOST; return RESUME_HOST;
} }
...@@ -1648,7 +1642,7 @@ static int kvm_trap_vz_handle_tlb_ld_miss(struct kvm_vcpu *vcpu) ...@@ -1648,7 +1642,7 @@ static int kvm_trap_vz_handle_tlb_ld_miss(struct kvm_vcpu *vcpu)
} }
/* Treat as MMIO */ /* Treat as MMIO */
er = kvm_mips_emulate_load(inst, cause, run, vcpu); er = kvm_mips_emulate_load(inst, cause, vcpu);
if (er == EMULATE_FAIL) { if (er == EMULATE_FAIL) {
kvm_err("Guest Emulate Load from MMIO space failed: PC: %p, BadVaddr: %#lx\n", kvm_err("Guest Emulate Load from MMIO space failed: PC: %p, BadVaddr: %#lx\n",
opc, badvaddr); opc, badvaddr);
...@@ -1695,7 +1689,7 @@ static int kvm_trap_vz_handle_tlb_st_miss(struct kvm_vcpu *vcpu) ...@@ -1695,7 +1689,7 @@ static int kvm_trap_vz_handle_tlb_st_miss(struct kvm_vcpu *vcpu)
} }
/* Treat as MMIO */ /* Treat as MMIO */
er = kvm_mips_emulate_store(inst, cause, run, vcpu); er = kvm_mips_emulate_store(inst, cause, vcpu);
if (er == EMULATE_FAIL) { if (er == EMULATE_FAIL) {
kvm_err("Guest Emulate Store to MMIO space failed: PC: %p, BadVaddr: %#lx\n", kvm_err("Guest Emulate Store to MMIO space failed: PC: %p, BadVaddr: %#lx\n",
opc, badvaddr); opc, badvaddr);
...@@ -3242,7 +3236,7 @@ static void kvm_vz_flush_shadow_memslot(struct kvm *kvm, ...@@ -3242,7 +3236,7 @@ static void kvm_vz_flush_shadow_memslot(struct kvm *kvm,
kvm_vz_flush_shadow_all(kvm); kvm_vz_flush_shadow_all(kvm);
} }
static void kvm_vz_vcpu_reenter(struct kvm_run *run, struct kvm_vcpu *vcpu) static void kvm_vz_vcpu_reenter(struct kvm_vcpu *vcpu)
{ {
int cpu = smp_processor_id(); int cpu = smp_processor_id();
int preserve_guest_tlb; int preserve_guest_tlb;
...@@ -3258,7 +3252,7 @@ static void kvm_vz_vcpu_reenter(struct kvm_run *run, struct kvm_vcpu *vcpu) ...@@ -3258,7 +3252,7 @@ static void kvm_vz_vcpu_reenter(struct kvm_run *run, struct kvm_vcpu *vcpu)
kvm_vz_vcpu_load_wired(vcpu); kvm_vz_vcpu_load_wired(vcpu);
} }
static int kvm_vz_vcpu_run(struct kvm_run *run, struct kvm_vcpu *vcpu) static int kvm_vz_vcpu_run(struct kvm_vcpu *vcpu)
{ {
int cpu = smp_processor_id(); int cpu = smp_processor_id();
int r; int r;
...@@ -3271,7 +3265,7 @@ static int kvm_vz_vcpu_run(struct kvm_run *run, struct kvm_vcpu *vcpu) ...@@ -3271,7 +3265,7 @@ static int kvm_vz_vcpu_run(struct kvm_run *run, struct kvm_vcpu *vcpu)
kvm_vz_vcpu_load_tlb(vcpu, cpu); kvm_vz_vcpu_load_tlb(vcpu, cpu);
kvm_vz_vcpu_load_wired(vcpu); kvm_vz_vcpu_load_wired(vcpu);
r = vcpu->arch.vcpu_run(run, vcpu); r = vcpu->arch.vcpu_run(vcpu->run, vcpu);
kvm_vz_vcpu_save_wired(vcpu); kvm_vz_vcpu_save_wired(vcpu);
......
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