KVM: CodingStyle cleanup

Signed-off-by: Mike D. Day <ncmike@ncultra.org>
Signed-off-by: Avi Kivity <avi@qumranet.com>

diff --git a/drivers/kvm/kvm.h b/drivers/kvm/kvm.h
index 9f10c37..ec5b498 100644 (file)
--- a/drivers/kvm/kvm.h
+++ b/drivers/kvm/kvm.h
@@ -528,7 +528,7 @@ extern struct kvm_x86_ops *kvm_x86_ops;
        if (printk_ratelimit())                                         \
                printk(KERN_ERR "kvm: %i: cpu%i " fmt,                  \
                       current->tgid, (vcpu)->vcpu_id , ## __VA_ARGS__); \
- } while(0)
+ } while (0)
 
 #define kvm_printf(kvm, fmt ...) printk(KERN_DEBUG fmt)
 #define vcpu_printf(vcpu, fmt...) kvm_printf(vcpu->kvm, fmt)
@@ -598,7 +598,7 @@ int kvm_set_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 data);
 
 struct x86_emulate_ctxt;
 
-int kvm_emulate_pio (struct kvm_vcpu *vcpu, struct kvm_run *run, int in,
+int kvm_emulate_pio(struct kvm_vcpu *vcpu, struct kvm_run *run, int in,
                     int size, unsigned port);
 int kvm_emulate_pio_string(struct kvm_vcpu *vcpu, struct kvm_run *run, int in,
                           int size, unsigned long count, int down,
@@ -607,7 +607,7 @@ void kvm_emulate_cpuid(struct kvm_vcpu *vcpu);
 int kvm_emulate_halt(struct kvm_vcpu *vcpu);
 int emulate_invlpg(struct kvm_vcpu *vcpu, gva_t address);
 int emulate_clts(struct kvm_vcpu *vcpu);
-int emulator_get_dr(struct x86_emulate_ctxt* ctxt, int dr,
+int emulator_get_dr(struct x86_emulate_ctxt *ctxt, int dr,
                    unsigned long *dest);
 int emulator_set_dr(struct x86_emulate_ctxt *ctxt, int dr,
                    unsigned long value);
@@ -631,7 +631,7 @@ void kvm_put_guest_fpu(struct kvm_vcpu *vcpu);
 void kvm_flush_remote_tlbs(struct kvm *kvm);
 
 int emulator_read_std(unsigned long addr,
-                      void *val,
+                     void *val,
                      unsigned int bytes,
                      struct kvm_vcpu *vcpu);
 int emulator_write_emulated(unsigned long addr,
@@ -721,55 +721,55 @@ static inline struct kvm_mmu_page *page_header(hpa_t shadow_page)
 static inline u16 read_fs(void)
 {
        u16 seg;
-       asm ("mov %%fs, %0" : "=g"(seg));
+       asm("mov %%fs, %0" : "=g"(seg));
        return seg;
 }
 
 static inline u16 read_gs(void)
 {
        u16 seg;
-       asm ("mov %%gs, %0" : "=g"(seg));
+       asm("mov %%gs, %0" : "=g"(seg));
        return seg;
 }
 
 static inline u16 read_ldt(void)
 {
        u16 ldt;
-       asm ("sldt %0" : "=g"(ldt));
+       asm("sldt %0" : "=g"(ldt));
        return ldt;
 }
 
 static inline void load_fs(u16 sel)
 {
-       asm ("mov %0, %%fs" : : "rm"(sel));
+       asm("mov %0, %%fs" : : "rm"(sel));
 }
 
 static inline void load_gs(u16 sel)
 {
-       asm ("mov %0, %%gs" : : "rm"(sel));
+       asm("mov %0, %%gs" : : "rm"(sel));
 }
 
 #ifndef load_ldt
 static inline void load_ldt(u16 sel)
 {
-       asm ("lldt %0" : : "rm"(sel));
+       asm("lldt %0" : : "rm"(sel));
 }
 #endif
 
 static inline void get_idt(struct descriptor_table *table)
 {
-       asm ("sidt %0" : "=m"(*table));
+       asm("sidt %0" : "=m"(*table));
 }
 
 static inline void get_gdt(struct descriptor_table *table)
 {
-       asm ("sgdt %0" : "=m"(*table));
+       asm("sgdt %0" : "=m"(*table));
 }
 
 static inline unsigned long read_tr_base(void)
 {
        u16 tr;
-       asm ("str %0" : "=g"(tr));
+       asm("str %0" : "=g"(tr));
        return segment_base(tr);
 }
 
@@ -785,17 +785,17 @@ static inline unsigned long read_msr(unsigned long msr)
 
 static inline void fx_save(struct i387_fxsave_struct *image)
 {
-       asm ("fxsave (%0)":: "r" (image));
+       asm("fxsave (%0)":: "r" (image));
 }
 
 static inline void fx_restore(struct i387_fxsave_struct *image)
 {
-       asm ("fxrstor (%0)":: "r" (image));
+       asm("fxrstor (%0)":: "r" (image));
 }
 
 static inline void fpu_init(void)
 {
-       asm ("finit");
+       asm("finit");
 }
 
 static inline u32 get_rdx_init_val(void)

diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c
index 9ea9277..a1983d2 100644 (file)
--- a/drivers/kvm/kvm_main.c
+++ b/drivers/kvm/kvm_main.c
@@ -104,7 +104,7 @@ static struct dentry *debugfs_dir;
 #define EFER_RESERVED_BITS 0xfffffffffffff2fe
 
 #ifdef CONFIG_X86_64
-// LDT or TSS descriptor in the GDT. 16 bytes.
+/* LDT or TSS descriptor in the GDT. 16 bytes. */
 struct segment_descriptor_64 {
        struct segment_descriptor s;
        u32 base_higher;
@@ -121,27 +121,27 @@ unsigned long segment_base(u16 selector)
        struct descriptor_table gdt;
        struct segment_descriptor *d;
        unsigned long table_base;
-       typedef unsigned long ul;
        unsigned long v;
 
        if (selector == 0)
                return 0;
 
-       asm ("sgdt %0" : "=m"(gdt));
+       asm("sgdt %0" : "=m"(gdt));
        table_base = gdt.base;
 
        if (selector & 4) {           /* from ldt */
                u16 ldt_selector;
 
-               asm ("sldt %0" : "=g"(ldt_selector));
+               asm("sldt %0" : "=g"(ldt_selector));
                table_base = segment_base(ldt_selector);
        }
        d = (struct segment_descriptor *)(table_base + (selector & ~7));
-       v = d->base_low | ((ul)d->base_mid << 16) | ((ul)d->base_high << 24);
+       v = d->base_low | ((unsigned long)d->base_mid << 16) |
+               ((unsigned long)d->base_high << 24);
 #ifdef CONFIG_X86_64
-       if (d->system == 0
-           && (d->type == 2 || d->type == 9 || d->type == 11))
-               v |= ((ul)((struct segment_descriptor_64 *)d)->base_higher) << 32;
+       if (d->system == 0 && (d->type == 2 || d->type == 9 || d->type == 11))
+               v |= ((unsigned long) \
+                     ((struct segment_descriptor_64 *)d)->base_higher) << 32;
 #endif
        return v;
 }
@@ -721,7 +721,7 @@ static int kvm_vm_ioctl_set_memory_region(struct kvm *kvm,
                if (!new.phys_mem)
                        goto out_unlock;
 
-               new.rmap = vmalloc(npages * sizeof(struct page*));
+               new.rmap = vmalloc(npages * sizeof(struct page *));
 
                if (!new.rmap)
                        goto out_unlock;
@@ -904,17 +904,17 @@ static int kvm_vm_ioctl_get_irqchip(struct kvm *kvm, struct kvm_irqchip *chip)
        r = 0;
        switch (chip->chip_id) {
        case KVM_IRQCHIP_PIC_MASTER:
-               memcpy (&chip->chip.pic,
+               memcpy(&chip->chip.pic,
                        &pic_irqchip(kvm)->pics[0],
                        sizeof(struct kvm_pic_state));
                break;
        case KVM_IRQCHIP_PIC_SLAVE:
-               memcpy (&chip->chip.pic,
+               memcpy(&chip->chip.pic,
                        &pic_irqchip(kvm)->pics[1],
                        sizeof(struct kvm_pic_state));
                break;
        case KVM_IRQCHIP_IOAPIC:
-               memcpy (&chip->chip.ioapic,
+               memcpy(&chip->chip.ioapic,
                        ioapic_irqchip(kvm),
                        sizeof(struct kvm_ioapic_state));
                break;
@@ -932,17 +932,17 @@ static int kvm_vm_ioctl_set_irqchip(struct kvm *kvm, struct kvm_irqchip *chip)
        r = 0;
        switch (chip->chip_id) {
        case KVM_IRQCHIP_PIC_MASTER:
-               memcpy (&pic_irqchip(kvm)->pics[0],
+               memcpy(&pic_irqchip(kvm)->pics[0],
                        &chip->chip.pic,
                        sizeof(struct kvm_pic_state));
                break;
        case KVM_IRQCHIP_PIC_SLAVE:
-               memcpy (&pic_irqchip(kvm)->pics[1],
+               memcpy(&pic_irqchip(kvm)->pics[1],
                        &chip->chip.pic,
                        sizeof(struct kvm_pic_state));
                break;
        case KVM_IRQCHIP_IOAPIC:
-               memcpy (ioapic_irqchip(kvm),
+               memcpy(ioapic_irqchip(kvm),
                        &chip->chip.ioapic,
                        sizeof(struct kvm_ioapic_state));
                break;
@@ -1341,7 +1341,7 @@ int emulate_clts(struct kvm_vcpu *vcpu)
        return X86EMUL_CONTINUE;
 }
 
-int emulator_get_dr(struct x86_emulate_ctxt* ctxt, int dr, unsigned long *dest)
+int emulator_get_dr(struct x86_emulate_ctxt *ctxt, int dr, unsigned long *dest)
 {
        struct kvm_vcpu *vcpu = ctxt->vcpu;
 
@@ -1934,7 +1934,7 @@ static void pio_string_write(struct kvm_io_device *pio_dev,
        mutex_unlock(&vcpu->kvm->lock);
 }
 
-int kvm_emulate_pio (struct kvm_vcpu *vcpu, struct kvm_run *run, int in,
+int kvm_emulate_pio(struct kvm_vcpu *vcpu, struct kvm_run *run, int in,
                  int size, unsigned port)
 {
        struct kvm_io_device *pio_dev;
@@ -2089,7 +2089,7 @@ static int __vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
        int r;
 
        if (unlikely(vcpu->mp_state == VCPU_MP_STATE_SIPI_RECEIVED)) {
-               printk("vcpu %d received sipi with vector # %x\n",
+               pr_debug("vcpu %d received sipi with vector # %x\n",
                       vcpu->vcpu_id, vcpu->sipi_vector);
                kvm_lapic_reset(vcpu);
                kvm_x86_ops->vcpu_reset(vcpu);
@@ -2363,7 +2363,8 @@ static int kvm_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu,
                       sizeof sregs->interrupt_bitmap);
                pending_vec = kvm_x86_ops->get_irq(vcpu);
                if (pending_vec >= 0)
-                       set_bit(pending_vec, (unsigned long *)sregs->interrupt_bitmap);
+                       set_bit(pending_vec,
+                               (unsigned long *)sregs->interrupt_bitmap);
        } else
                memcpy(sregs->interrupt_bitmap, vcpu->irq_pending,
                       sizeof sregs->interrupt_bitmap);
@@ -2436,7 +2437,8 @@ static int kvm_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
                /* Only pending external irq is handled here */
                if (pending_vec < max_bits) {
                        kvm_x86_ops->set_irq(vcpu, pending_vec);
-                       printk("Set back pending irq %d\n", pending_vec);
+                       pr_debug("Set back pending irq %d\n",
+                                pending_vec);
                }
        }
 
@@ -3155,8 +3157,7 @@ static long kvm_vm_ioctl(struct file *filp,
                                kvm->vpic = NULL;
                                goto out;
                        }
-               }
-               else
+               } else
                        goto out;
                break;
        case KVM_IRQ_LINE: {
@@ -3448,7 +3449,7 @@ static int kvm_cpu_hotplug(struct notifier_block *notifier, unsigned long val,
 }
 
 static int kvm_reboot(struct notifier_block *notifier, unsigned long val,
-                       void *v)
+                     void *v)
 {
        if (val == SYS_RESTART) {
                /*
@@ -3655,7 +3656,7 @@ int kvm_init_x86(struct kvm_x86_ops *ops, unsigned int vcpu_size,
 
        r = misc_register(&kvm_dev);
        if (r) {
-               printk (KERN_ERR "kvm: misc device register failed\n");
+               printk(KERN_ERR "kvm: misc device register failed\n");
                goto out_free;
        }
 
@@ -3683,6 +3684,7 @@ out:
        kvm_x86_ops = NULL;
        return r;
 }
+EXPORT_SYMBOL_GPL(kvm_init_x86);
 
 void kvm_exit_x86(void)
 {
@@ -3696,6 +3698,7 @@ void kvm_exit_x86(void)
        kvm_x86_ops->hardware_unsetup();
        kvm_x86_ops = NULL;
 }
+EXPORT_SYMBOL_GPL(kvm_exit_x86);
 
 static __init int kvm_init(void)
 {
@@ -3710,7 +3713,9 @@ static __init int kvm_init(void)
 
        kvm_init_msr_list();
 
-       if ((bad_page = alloc_page(GFP_KERNEL)) == NULL) {
+       bad_page = alloc_page(GFP_KERNEL);
+
+       if (bad_page == NULL) {
                r = -ENOMEM;
                goto out;
        }
@@ -3736,6 +3741,3 @@ static __exit void kvm_exit(void)
 
 module_init(kvm_init)
 module_exit(kvm_exit)
-
-EXPORT_SYMBOL_GPL(kvm_init_x86);
-EXPORT_SYMBOL_GPL(kvm_exit_x86);

diff --git a/drivers/kvm/lapic.c b/drivers/kvm/lapic.c
index 554e73a..e15b42e 100644 (file)
--- a/drivers/kvm/lapic.c
+++ b/drivers/kvm/lapic.c
@@ -906,8 +906,7 @@ static int __apic_timer_fn(struct kvm_lapic *apic)
        wait_queue_head_t *q = &apic->vcpu->wq;
 
        atomic_inc(&apic->timer.pending);
-       if (waitqueue_active(q))
-       {
+       if (waitqueue_active(q)) {
                apic->vcpu->mp_state = VCPU_MP_STATE_RUNNABLE;
                wake_up_interruptible(q);
        }

diff --git a/drivers/kvm/mmu.c b/drivers/kvm/mmu.c
index 6cda1fe..ece0aa4 100644 (file)
--- a/drivers/kvm/mmu.c
+++ b/drivers/kvm/mmu.c
@@ -90,7 +90,8 @@ static int dbg = 1;
 
 #define PT32_DIR_PSE36_SIZE 4
 #define PT32_DIR_PSE36_SHIFT 13
-#define PT32_DIR_PSE36_MASK (((1ULL << PT32_DIR_PSE36_SIZE) - 1) << PT32_DIR_PSE36_SHIFT)
+#define PT32_DIR_PSE36_MASK \
+       (((1ULL << PT32_DIR_PSE36_SIZE) - 1) << PT32_DIR_PSE36_SHIFT)
 
 
 #define PT_FIRST_AVAIL_BITS_SHIFT 9
@@ -103,7 +104,7 @@ static int dbg = 1;
 #define PT64_LEVEL_BITS 9
 
 #define PT64_LEVEL_SHIFT(level) \
-               ( PAGE_SHIFT + (level - 1) * PT64_LEVEL_BITS )
+               (PAGE_SHIFT + (level - 1) * PT64_LEVEL_BITS)
 
 #define PT64_LEVEL_MASK(level) \
                (((1ULL << PT64_LEVEL_BITS) - 1) << PT64_LEVEL_SHIFT(level))
@@ -115,7 +116,7 @@ static int dbg = 1;
 #define PT32_LEVEL_BITS 10
 
 #define PT32_LEVEL_SHIFT(level) \
-               ( PAGE_SHIFT + (level - 1) * PT32_LEVEL_BITS )
+               (PAGE_SHIFT + (level - 1) * PT32_LEVEL_BITS)
 
 #define PT32_LEVEL_MASK(level) \
                (((1ULL << PT32_LEVEL_BITS) - 1) << PT32_LEVEL_SHIFT(level))
@@ -1489,7 +1490,8 @@ static void audit_mappings_page(struct kvm_vcpu *vcpu, u64 page_pte,
                                printk(KERN_ERR "xx audit error: (%s) levels %d"
                                       " gva %lx gpa %llx hpa %llx ent %llx %d\n",
                                       audit_msg, vcpu->mmu.root_level,
-                                      va, gpa, hpa, ent, is_shadow_present_pte(ent));
+                                      va, gpa, hpa, ent,
+                                      is_shadow_present_pte(ent));
                        else if (ent == shadow_notrap_nonpresent_pte
                                 && !is_error_hpa(hpa))
                                printk(KERN_ERR "audit: (%s) notrap shadow,"

diff --git a/drivers/kvm/paging_tmpl.h b/drivers/kvm/paging_tmpl.h
index fbe595f..447d2c3 100644 (file)
--- a/drivers/kvm/paging_tmpl.h
+++ b/drivers/kvm/paging_tmpl.h
@@ -163,7 +163,7 @@ static int FNAME(walk_addr)(struct guest_walker *walker,
                walker->page = pfn_to_page(paddr >> PAGE_SHIFT);
                walker->table = kmap_atomic(walker->page, KM_USER0);
                --walker->level;
-               walker->table_gfn[walker->level - 1 ] = table_gfn;
+               walker->table_gfn[walker->level - 1] = table_gfn;
                pgprintk("%s: table_gfn[%d] %lx\n", __FUNCTION__,
                         walker->level - 1, table_gfn);
        }

diff --git a/drivers/kvm/svm.c b/drivers/kvm/svm.c
index fb2e591..7b21576 100644 (file)
--- a/drivers/kvm/svm.c
+++ b/drivers/kvm/svm.c
@@ -229,12 +229,11 @@ static void skip_emulated_instruction(struct kvm_vcpu *vcpu)
                printk(KERN_DEBUG "%s: NOP\n", __FUNCTION__);
                return;
        }
-       if (svm->next_rip - svm->vmcb->save.rip > MAX_INST_SIZE) {
+       if (svm->next_rip - svm->vmcb->save.rip > MAX_INST_SIZE)
                printk(KERN_ERR "%s: ip 0x%llx next 0x%llx\n",
                       __FUNCTION__,
                       svm->vmcb->save.rip,
                       svm->next_rip);
-       }
 
        vcpu->rip = svm->vmcb->save.rip = svm->next_rip;
        svm->vmcb->control.int_state &= ~SVM_INTERRUPT_SHADOW_MASK;
@@ -312,7 +311,7 @@ static void svm_hardware_enable(void *garbage)
        svm_data->next_asid = svm_data->max_asid + 1;
        svm_features = cpuid_edx(SVM_CPUID_FUNC);
 
-       asm volatile ( "sgdt %0" : "=m"(gdt_descr) );
+       asm volatile ("sgdt %0" : "=m"(gdt_descr));
        gdt = (struct desc_struct *)gdt_descr.address;
        svm_data->tss_desc = (struct kvm_ldttss_desc *)(gdt + GDT_ENTRY_TSS);
 
@@ -544,8 +543,7 @@ static void init_vmcb(struct vmcb *vmcb)
        init_sys_seg(&save->tr, SEG_TYPE_BUSY_TSS16);
 
        save->efer = MSR_EFER_SVME_MASK;
-
-        save->dr6 = 0xffff0ff0;
+       save->dr6 = 0xffff0ff0;
        save->dr7 = 0x400;
        save->rflags = 2;
        save->rip = 0x0000fff0;
@@ -783,7 +781,7 @@ static void svm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0)
                        svm->vmcb->save.efer |= KVM_EFER_LMA | KVM_EFER_LME;
                }
 
-               if (is_paging(vcpu) && !(cr0 & X86_CR0_PG) ) {
+               if (is_paging(vcpu) && !(cr0 & X86_CR0_PG)) {
                        vcpu->shadow_efer &= ~KVM_EFER_LMA;
                        svm->vmcb->save.efer &= ~(KVM_EFER_LMA | KVM_EFER_LME);
                }
@@ -1010,7 +1008,7 @@ static int shutdown_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
 
 static int io_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
 {
-       u32 io_info = svm->vmcb->control.exit_info_1; //address size bug?
+       u32 io_info = svm->vmcb->control.exit_info_1; /* address size bug? */
        int size, down, in, string, rep;
        unsigned port;
 
@@ -1316,7 +1314,7 @@ static void reload_tss(struct kvm_vcpu *vcpu)
        int cpu = raw_smp_processor_id();
 
        struct svm_cpu_data *svm_data = per_cpu(svm_data, cpu);
-       svm_data->tss_desc->type = 9; //available 32/64-bit TSS
+       svm_data->tss_desc->type = 9; /* available 32/64-bit TSS */
        load_TR_desc();
 }
 
@@ -1434,9 +1432,9 @@ static void do_interrupt_requests(struct kvm_vcpu *vcpu,
         * Interrupts blocked.  Wait for unblock.
         */
        if (!svm->vcpu.interrupt_window_open &&
-           (svm->vcpu.irq_summary || kvm_run->request_interrupt_window)) {
+           (svm->vcpu.irq_summary || kvm_run->request_interrupt_window))
                control->intercept |= 1ULL << INTERCEPT_VINTR;
-       } else
+        else
                control->intercept &= ~(1ULL << INTERCEPT_VINTR);
 }
 
@@ -1581,23 +1579,23 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
                :
                : [svm]"a"(svm),
                  [vmcb]"i"(offsetof(struct vcpu_svm, vmcb_pa)),
-                 [rbx]"i"(offsetof(struct vcpu_svm,vcpu.regs[VCPU_REGS_RBX])),
-                 [rcx]"i"(offsetof(struct vcpu_svm,vcpu.regs[VCPU_REGS_RCX])),
-                 [rdx]"i"(offsetof(struct vcpu_svm,vcpu.regs[VCPU_REGS_RDX])),
-                 [rsi]"i"(offsetof(struct vcpu_svm,vcpu.regs[VCPU_REGS_RSI])),
-                 [rdi]"i"(offsetof(struct vcpu_svm,vcpu.regs[VCPU_REGS_RDI])),
-                 [rbp]"i"(offsetof(struct vcpu_svm,vcpu.regs[VCPU_REGS_RBP]))
+                 [rbx]"i"(offsetof(struct vcpu_svm, vcpu.regs[VCPU_REGS_RBX])),
+                 [rcx]"i"(offsetof(struct vcpu_svm, vcpu.regs[VCPU_REGS_RCX])),
+                 [rdx]"i"(offsetof(struct vcpu_svm, vcpu.regs[VCPU_REGS_RDX])),
+                 [rsi]"i"(offsetof(struct vcpu_svm, vcpu.regs[VCPU_REGS_RSI])),
+                 [rdi]"i"(offsetof(struct vcpu_svm, vcpu.regs[VCPU_REGS_RDI])),
+                 [rbp]"i"(offsetof(struct vcpu_svm, vcpu.regs[VCPU_REGS_RBP]))
 #ifdef CONFIG_X86_64
-                 ,[r8 ]"i"(offsetof(struct vcpu_svm,vcpu.regs[VCPU_REGS_R8])),
-                 [r9 ]"i"(offsetof(struct vcpu_svm,vcpu.regs[VCPU_REGS_R9 ])),
-                 [r10]"i"(offsetof(struct vcpu_svm,vcpu.regs[VCPU_REGS_R10])),
-                 [r11]"i"(offsetof(struct vcpu_svm,vcpu.regs[VCPU_REGS_R11])),
-                 [r12]"i"(offsetof(struct vcpu_svm,vcpu.regs[VCPU_REGS_R12])),
-                 [r13]"i"(offsetof(struct vcpu_svm,vcpu.regs[VCPU_REGS_R13])),
-                 [r14]"i"(offsetof(struct vcpu_svm,vcpu.regs[VCPU_REGS_R14])),
-                 [r15]"i"(offsetof(struct vcpu_svm,vcpu.regs[VCPU_REGS_R15]))
+                 , [r8]"i"(offsetof(struct vcpu_svm, vcpu.regs[VCPU_REGS_R8])),
+                 [r9]"i"(offsetof(struct vcpu_svm, vcpu.regs[VCPU_REGS_R9])),
+                 [r10]"i"(offsetof(struct vcpu_svm, vcpu.regs[VCPU_REGS_R10])),
+                 [r11]"i"(offsetof(struct vcpu_svm, vcpu.regs[VCPU_REGS_R11])),
+                 [r12]"i"(offsetof(struct vcpu_svm, vcpu.regs[VCPU_REGS_R12])),
+                 [r13]"i"(offsetof(struct vcpu_svm, vcpu.regs[VCPU_REGS_R13])),
+                 [r14]"i"(offsetof(struct vcpu_svm, vcpu.regs[VCPU_REGS_R14])),
+                 [r15]"i"(offsetof(struct vcpu_svm, vcpu.regs[VCPU_REGS_R15]))
 #endif
-               : "cc", "memory" );
+               : "cc", "memory");
 
        if ((svm->vmcb->save.dr7 & 0xff))
                load_db_regs(svm->host_db_regs);

diff --git a/drivers/kvm/svm.h b/drivers/kvm/svm.h
index 3b1b0f3..5fa277c 100644 (file)
--- a/drivers/kvm/svm.h
+++ b/drivers/kvm/svm.h
@@ -311,7 +311,7 @@ struct __attribute__ ((__packed__)) vmcb {
 
 #define SVM_EXIT_ERR           -1
 
-#define SVM_CR0_SELECTIVE_MASK (1 << 3 | 1) // TS and MP
+#define SVM_CR0_SELECTIVE_MASK (1 << 3 | 1) /* TS and MP */
 
 #define SVM_VMLOAD ".byte 0x0f, 0x01, 0xda"
 #define SVM_VMRUN  ".byte 0x0f, 0x01, 0xd8"

diff --git a/drivers/kvm/vmx.c b/drivers/kvm/vmx.c
index 7b74290..6955580 100644 (file)
--- a/drivers/kvm/vmx.c
+++ b/drivers/kvm/vmx.c
@@ -62,7 +62,7 @@ struct vcpu_vmx {
                int           gs_ldt_reload_needed;
                int           fs_reload_needed;
                int           guest_efer_loaded;
-       }host_state;
+       } host_state;
 
 };
 
@@ -271,7 +271,7 @@ static void vmcs_writel(unsigned long field, unsigned long value)
        u8 error;
 
        asm volatile (ASM_VMX_VMWRITE_RAX_RDX "; setna %0"
-                      : "=q"(error) : "a"(value), "d"(field) : "cc" );
+                      : "=q"(error) : "a"(value), "d"(field) : "cc");
        if (unlikely(error))
                vmwrite_error(field, value);
 }
@@ -415,10 +415,10 @@ static void vmx_save_host_state(struct kvm_vcpu *vcpu)
 #endif
 
 #ifdef CONFIG_X86_64
-       if (is_long_mode(&vmx->vcpu)) {
+       if (is_long_mode(&vmx->vcpu))
                save_msrs(vmx->host_msrs +
                          vmx->msr_offset_kernel_gs_base, 1);
-       }
+
 #endif
        load_msrs(vmx->guest_msrs, vmx->save_nmsrs);
        load_transition_efer(vmx);
@@ -845,7 +845,7 @@ static int vmx_get_irq(struct kvm_vcpu *vcpu)
                if (is_external_interrupt(idtv_info_field))
                        return idtv_info_field & VECTORING_INFO_VECTOR_MASK;
                else
-                       printk("pending exception: not handled yet\n");
+                       printk(KERN_DEBUG "pending exception: not handled yet\n");
        }
        return -1;
 }
@@ -893,7 +893,7 @@ static void hardware_disable(void *garbage)
 }
 
 static __init int adjust_vmx_controls(u32 ctl_min, u32 ctl_opt,
-                                     u32 msr, u32* result)
+                                     u32 msr, u32 *result)
 {
        u32 vmx_msr_low, vmx_msr_high;
        u32 ctl = ctl_min | ctl_opt;
@@ -1102,7 +1102,7 @@ static void enter_pmode(struct kvm_vcpu *vcpu)
        vmcs_write32(GUEST_CS_AR_BYTES, 0x9b);
 }
 
-static gva_t rmode_tss_base(struct kvm* kvm)
+static gva_t rmode_tss_base(struct kvm *kvm)
 {
        gfn_t base_gfn = kvm->memslots[0].base_gfn + kvm->memslots[0].npages - 3;
        return base_gfn << PAGE_SHIFT;
@@ -1385,7 +1385,7 @@ static void vmx_set_gdt(struct kvm_vcpu *vcpu, struct descriptor_table *dt)
        vmcs_writel(GUEST_GDTR_BASE, dt->base);
 }
 
-static int init_rmode_tss(struct kvm* kvm)
+static int init_rmode_tss(struct kvm *kvm)
 {
        gfn_t fn = rmode_tss_base(kvm) >> PAGE_SHIFT;
        u16 data = 0;
@@ -1494,7 +1494,7 @@ static int vmx_vcpu_setup(struct vcpu_vmx *vmx)
                vmcs_writel(GUEST_RIP, 0);
        vmcs_writel(GUEST_RSP, 0);
 
-       //todo: dr0 = dr1 = dr2 = dr3 = 0; dr6 = 0xffff0ff0
+       /* todo: dr0 = dr1 = dr2 = dr3 = 0; dr6 = 0xffff0ff0 */
        vmcs_writel(GUEST_DR7, 0x400);
 
        vmcs_writel(GUEST_GDTR_BASE, 0);
@@ -1561,7 +1561,7 @@ static int vmx_vcpu_setup(struct vcpu_vmx *vmx)
        get_idt(&dt);
        vmcs_writel(HOST_IDTR_BASE, dt.base);   /* 22.2.4 */
 
-       asm ("mov $.Lkvm_vmx_return, %0" : "=r"(kvm_vmx_return));
+       asm("mov $.Lkvm_vmx_return, %0" : "=r"(kvm_vmx_return));
        vmcs_writel(HOST_RIP, kvm_vmx_return); /* 22.2.5 */
        vmcs_write32(VM_EXIT_MSR_STORE_COUNT, 0);
        vmcs_write32(VM_EXIT_MSR_LOAD_COUNT, 0);
@@ -1613,7 +1613,7 @@ static int vmx_vcpu_setup(struct vcpu_vmx *vmx)
        vmcs_writel(CR4_GUEST_HOST_MASK, KVM_GUEST_CR4_MASK);
 
        vmx->vcpu.cr0 = 0x60000010;
-       vmx_set_cr0(&vmx->vcpu, vmx->vcpu.cr0); // enter rmode
+       vmx_set_cr0(&vmx->vcpu, vmx->vcpu.cr0); /* enter rmode */
        vmx_set_cr4(&vmx->vcpu, 0);
 #ifdef CONFIG_X86_64
        vmx_set_efer(&vmx->vcpu, 0);
@@ -1644,7 +1644,7 @@ static void inject_rmode_irq(struct kvm_vcpu *vcpu, int irq)
        u16 sp =  vmcs_readl(GUEST_RSP);
        u32 ss_limit = vmcs_read32(GUEST_SS_LIMIT);
 
-       if (sp > ss_limit || sp < 6 ) {
+       if (sp > ss_limit || sp < 6) {
                vcpu_printf(vcpu, "%s: #SS, rsp 0x%lx ss 0x%lx limit 0x%x\n",
                            __FUNCTION__,
                            vmcs_readl(GUEST_RSP),
@@ -1664,15 +1664,18 @@ static void inject_rmode_irq(struct kvm_vcpu *vcpu, int irq)
        ip =  vmcs_readl(GUEST_RIP);
 
 
-       if (emulator_write_emulated(ss_base + sp - 2, &flags, 2, vcpu) != X86EMUL_CONTINUE ||
-           emulator_write_emulated(ss_base + sp - 4, &cs, 2, vcpu) != X86EMUL_CONTINUE ||
-           emulator_write_emulated(ss_base + sp - 6, &ip, 2, vcpu) != X86EMUL_CONTINUE) {
+       if (emulator_write_emulated(
+                   ss_base + sp - 2, &flags, 2, vcpu) != X86EMUL_CONTINUE ||
+           emulator_write_emulated(
+                   ss_base + sp - 4, &cs, 2, vcpu) != X86EMUL_CONTINUE ||
+           emulator_write_emulated(
+                   ss_base + sp - 6, &ip, 2, vcpu) != X86EMUL_CONTINUE) {
                vcpu_printf(vcpu, "%s: write guest err\n", __FUNCTION__);
                return;
        }
 
        vmcs_writel(GUEST_RFLAGS, flags &
-                   ~( X86_EFLAGS_IF | X86_EFLAGS_AC | X86_EFLAGS_TF));
+                   ~(X86_EFLAGS_IF | X86_EFLAGS_AC | X86_EFLAGS_TF));
        vmcs_write16(GUEST_CS_SELECTOR, ent[1]) ;
        vmcs_writel(GUEST_CS_BASE, ent[1] << 4);
        vmcs_writel(GUEST_RIP, ent[0]);
@@ -1777,10 +1780,9 @@ static int handle_exception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
        intr_info = vmcs_read32(VM_EXIT_INTR_INFO);
 
        if ((vect_info & VECTORING_INFO_VALID_MASK) &&
-                                               !is_page_fault(intr_info)) {
+                                               !is_page_fault(intr_info))
                printk(KERN_ERR "%s: unexpected, vectoring info 0x%x "
                       "intr info 0x%x\n", __FUNCTION__, vect_info, intr_info);
-       }
 
        if (!irqchip_in_kernel(vcpu->kvm) && is_external_interrupt(vect_info)) {
                int irq = vect_info & VECTORING_INFO_VECTOR_MASK;
@@ -1831,7 +1833,7 @@ static int handle_exception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
                case EMULATE_DO_MMIO:
                        ++vcpu->stat.mmio_exits;
                        return 0;
-                case EMULATE_FAIL:
+               case EMULATE_FAIL:
                        kvm_report_emulation_failure(vcpu, "pagetable");
                        break;
                default:
@@ -1849,7 +1851,8 @@ static int handle_exception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
                return 1;
        }
 
-       if ((intr_info & (INTR_INFO_INTR_TYPE_MASK | INTR_INFO_VECTOR_MASK)) == (INTR_TYPE_EXCEPTION | 1)) {
+       if ((intr_info & (INTR_INFO_INTR_TYPE_MASK | INTR_INFO_VECTOR_MASK)) ==
+           (INTR_TYPE_EXCEPTION | 1)) {
                kvm_run->exit_reason = KVM_EXIT_DEBUG;
                return 0;
        }
@@ -2138,8 +2141,8 @@ static int kvm_handle_exit(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu)
                return 0;
        }
 
-       if ( (vectoring_info & VECTORING_INFO_VALID_MASK) &&
-                               exit_reason != EXIT_REASON_EXCEPTION_NMI )
+       if ((vectoring_info & VECTORING_INFO_VALID_MASK) &&
+                               exit_reason != EXIT_REASON_EXCEPTION_NMI)
                printk(KERN_WARNING "%s: unexpected, valid vectoring info and "
                       "exit reason is 0x%x\n", __FUNCTION__, exit_reason);
        if (exit_reason < kvm_vmx_max_exit_handlers
@@ -2238,7 +2241,7 @@ static void vmx_vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
         */
        vmcs_writel(HOST_CR0, read_cr0());
 
-       asm (
+       asm(
                /* Store host registers */
 #ifdef CONFIG_X86_64
                "push %%rax; push %%rbx; push %%rdx;"
@@ -2342,8 +2345,8 @@ static void vmx_vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
                [rdi]"i"(offsetof(struct kvm_vcpu, regs[VCPU_REGS_RDI])),
                [rbp]"i"(offsetof(struct kvm_vcpu, regs[VCPU_REGS_RBP])),
 #ifdef CONFIG_X86_64
-               [r8 ]"i"(offsetof(struct kvm_vcpu, regs[VCPU_REGS_R8 ])),
-               [r9 ]"i"(offsetof(struct kvm_vcpu, regs[VCPU_REGS_R9 ])),
+               [r8]"i"(offsetof(struct kvm_vcpu, regs[VCPU_REGS_R8])),
+               [r9]"i"(offsetof(struct kvm_vcpu, regs[VCPU_REGS_R9])),
                [r10]"i"(offsetof(struct kvm_vcpu, regs[VCPU_REGS_R10])),
                [r11]"i"(offsetof(struct kvm_vcpu, regs[VCPU_REGS_R11])),
                [r12]"i"(offsetof(struct kvm_vcpu, regs[VCPU_REGS_R12])),
@@ -2352,11 +2355,12 @@ static void vmx_vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
                [r15]"i"(offsetof(struct kvm_vcpu, regs[VCPU_REGS_R15])),
 #endif
                [cr2]"i"(offsetof(struct kvm_vcpu, cr2))
-             : "cc", "memory" );
+             : "cc", "memory");
 
-       vcpu->interrupt_window_open = (vmcs_read32(GUEST_INTERRUPTIBILITY_INFO) & 3) == 0;
+       vcpu->interrupt_window_open =
+               (vmcs_read32(GUEST_INTERRUPTIBILITY_INFO) & 3) == 0;
 
-       asm ("mov %0, %%ds; mov %0, %%es" : : "r"(__USER_DS));
+       asm("mov %0, %%ds; mov %0, %%es" : : "r"(__USER_DS));
        vmx->launched = 1;
 
        intr_info = vmcs_read32(VM_EXIT_INTR_INFO);

diff --git a/drivers/kvm/vmx.h b/drivers/kvm/vmx.h
index fd4e146..270d477 100644 (file)
--- a/drivers/kvm/vmx.h
+++ b/drivers/kvm/vmx.h
@@ -234,9 +234,9 @@ enum vmcs_field {
 /*
  * Exit Qualifications for MOV for Control Register Access
  */
-#define CONTROL_REG_ACCESS_NUM          0x7     /* 2:0, number of control register */
+#define CONTROL_REG_ACCESS_NUM          0x7     /* 2:0, number of control reg.*/
 #define CONTROL_REG_ACCESS_TYPE         0x30    /* 5:4, access type */
-#define CONTROL_REG_ACCESS_REG          0xf00   /* 10:8, general purpose register */
+#define CONTROL_REG_ACCESS_REG          0xf00   /* 10:8, general purpose reg. */
 #define LMSW_SOURCE_DATA_SHIFT 16
 #define LMSW_SOURCE_DATA  (0xFFFF << LMSW_SOURCE_DATA_SHIFT) /* 16:31 lmsw source */
 #define REG_EAX                         (0 << 8)
@@ -259,11 +259,11 @@ enum vmcs_field {
 /*
  * Exit Qualifications for MOV for Debug Register Access
  */
-#define DEBUG_REG_ACCESS_NUM            0x7     /* 2:0, number of debug register */
+#define DEBUG_REG_ACCESS_NUM            0x7     /* 2:0, number of debug reg. */
 #define DEBUG_REG_ACCESS_TYPE           0x10    /* 4, direction of access */
 #define TYPE_MOV_TO_DR                  (0 << 4)
 #define TYPE_MOV_FROM_DR                (1 << 4)
-#define DEBUG_REG_ACCESS_REG            0xf00   /* 11:8, general purpose register */
+#define DEBUG_REG_ACCESS_REG            0xf00   /* 11:8, general purpose reg. */
 
 
 /* segment AR */

diff --git a/drivers/kvm/x86_emulate.c b/drivers/kvm/x86_emulate.c
index e294d84..75fd23b 100644 (file)
--- a/drivers/kvm/x86_emulate.c
+++ b/drivers/kvm/x86_emulate.c
@@ -23,7 +23,7 @@
 #include <stdio.h>
 #include <stdint.h>
 #include <public/xen.h>
-#define DPRINTF(_f, _a ...) printf( _f , ## _a )
+#define DPRINTF(_f, _a ...) printf(_f , ## _a)
 #else
 #include "kvm.h"
 #define DPRINTF(x...) do {} while (0)
@@ -285,21 +285,21 @@ static u16 twobyte_table[256] = {
                switch ((_dst).bytes) {                                     \
                case 2:                                                     \
                        __asm__ __volatile__ (                              \
-                               _PRE_EFLAGS("0","4","2")                    \
+                               _PRE_EFLAGS("0", "4", "2")                  \
                                _op"w %"_wx"3,%1; "                         \
-                               _POST_EFLAGS("0","4","2")                   \
+                               _POST_EFLAGS("0", "4", "2")                 \
                                : "=m" (_eflags), "=m" ((_dst).val),        \
                                  "=&r" (_tmp)                              \
-                               : _wy ((_src).val), "i" (EFLAGS_MASK) );    \
+                               : _wy ((_src).val), "i" (EFLAGS_MASK));     \
                        break;                                              \
                case 4:                                                     \
                        __asm__ __volatile__ (                              \
-                               _PRE_EFLAGS("0","4","2")                    \
+                               _PRE_EFLAGS("0", "4", "2")                  \
                                _op"l %"_lx"3,%1; "                         \
-                               _POST_EFLAGS("0","4","2")                   \
+                               _POST_EFLAGS("0", "4", "2")                 \
                                : "=m" (_eflags), "=m" ((_dst).val),        \
                                  "=&r" (_tmp)                              \
-                               : _ly ((_src).val), "i" (EFLAGS_MASK) );    \
+                               : _ly ((_src).val), "i" (EFLAGS_MASK));     \
                        break;                                              \
                case 8:                                                     \
                        __emulate_2op_8byte(_op, _src, _dst,                \
@@ -311,16 +311,15 @@ static u16 twobyte_table[256] = {
 #define __emulate_2op(_op,_src,_dst,_eflags,_bx,_by,_wx,_wy,_lx,_ly,_qx,_qy) \
        do {                                                                 \
                unsigned long _tmp;                                          \
-               switch ( (_dst).bytes )                                      \
-               {                                                            \
+               switch ((_dst).bytes) {                                      \
                case 1:                                                      \
                        __asm__ __volatile__ (                               \
-                               _PRE_EFLAGS("0","4","2")                     \
+                               _PRE_EFLAGS("0", "4", "2")                   \
                                _op"b %"_bx"3,%1; "                          \
-                               _POST_EFLAGS("0","4","2")                    \
+                               _POST_EFLAGS("0", "4", "2")                  \
                                : "=m" (_eflags), "=m" ((_dst).val),         \
                                  "=&r" (_tmp)                               \
-                               : _by ((_src).val), "i" (EFLAGS_MASK) );     \
+                               : _by ((_src).val), "i" (EFLAGS_MASK));      \
                        break;                                               \
                default:                                                     \
                        __emulate_2op_nobyte(_op, _src, _dst, _eflags,       \
@@ -349,34 +348,33 @@ static u16 twobyte_table[256] = {
        do {                                                            \
                unsigned long _tmp;                                     \
                                                                        \
-               switch ( (_dst).bytes )                                 \
-               {                                                       \
+               switch ((_dst).bytes) {                                 \
                case 1:                                                 \
                        __asm__ __volatile__ (                          \
-                               _PRE_EFLAGS("0","3","2")                \
+                               _PRE_EFLAGS("0", "3", "2")              \
                                _op"b %1; "                             \
-                               _POST_EFLAGS("0","3","2")               \
+                               _POST_EFLAGS("0", "3", "2")             \
                                : "=m" (_eflags), "=m" ((_dst).val),    \
                                  "=&r" (_tmp)                          \
-                               : "i" (EFLAGS_MASK) );                  \
+                               : "i" (EFLAGS_MASK));                   \
                        break;                                          \
                case 2:                                                 \
                        __asm__ __volatile__ (                          \
-                               _PRE_EFLAGS("0","3","2")                \
+                               _PRE_EFLAGS("0", "3", "2")              \
                                _op"w %1; "                             \
-                               _POST_EFLAGS("0","3","2")               \
+                               _POST_EFLAGS("0", "3", "2")             \
                                : "=m" (_eflags), "=m" ((_dst).val),    \
                                  "=&r" (_tmp)                          \
-                               : "i" (EFLAGS_MASK) );                  \
+                               : "i" (EFLAGS_MASK));                   \
                        break;                                          \
                case 4:                                                 \
                        __asm__ __volatile__ (                          \
-                               _PRE_EFLAGS("0","3","2")                \
+                               _PRE_EFLAGS("0", "3", "2")              \
                                _op"l %1; "                             \
-                               _POST_EFLAGS("0","3","2")               \
+                               _POST_EFLAGS("0", "3", "2")             \
                                : "=m" (_eflags), "=m" ((_dst).val),    \
                                  "=&r" (_tmp)                          \
-                               : "i" (EFLAGS_MASK) );                  \
+                               : "i" (EFLAGS_MASK));                   \
                        break;                                          \
                case 8:                                                 \
                        __emulate_1op_8byte(_op, _dst, _eflags);        \
@@ -389,21 +387,21 @@ static u16 twobyte_table[256] = {
 #define __emulate_2op_8byte(_op, _src, _dst, _eflags, _qx, _qy)           \
        do {                                                              \
                __asm__ __volatile__ (                                    \
-                       _PRE_EFLAGS("0","4","2")                          \
+                       _PRE_EFLAGS("0", "4", "2")                        \
                        _op"q %"_qx"3,%1; "                               \
-                       _POST_EFLAGS("0","4","2")                         \
+                       _POST_EFLAGS("0", "4", "2")                       \
                        : "=m" (_eflags), "=m" ((_dst).val), "=&r" (_tmp) \
-                       : _qy ((_src).val), "i" (EFLAGS_MASK) );          \
+                       : _qy ((_src).val), "i" (EFLAGS_MASK));         \
        } while (0)
 
 #define __emulate_1op_8byte(_op, _dst, _eflags)                           \
        do {                                                              \
                __asm__ __volatile__ (                                    \
-                       _PRE_EFLAGS("0","3","2")                          \
+                       _PRE_EFLAGS("0", "3", "2")                        \
                        _op"q %1; "                                       \
-                       _POST_EFLAGS("0","3","2")                         \
+                       _POST_EFLAGS("0", "3", "2")                       \
                        : "=m" (_eflags), "=m" ((_dst).val), "=&r" (_tmp) \
-                       : "i" (EFLAGS_MASK) );                            \
+                       : "i" (EFLAGS_MASK));                             \
        } while (0)
 
 #elif defined(__i386__)
@@ -415,8 +413,8 @@ static u16 twobyte_table[256] = {
 #define insn_fetch(_type, _size, _eip)                                  \
 ({     unsigned long _x;                                               \
        rc = ops->read_std((unsigned long)(_eip) + ctxt->cs_base, &_x,  \
-                                                  (_size), ctxt->vcpu); \
-       if ( rc != 0 )                                                  \
+                          (_size), ctxt->vcpu);                        \
+       if (rc != 0)                                                    \
                goto done;                                              \
        (_eip) += (_size);                                              \
        (_type)_x;                                                      \
@@ -780,7 +778,7 @@ done_prefixes:
                }
                if (c->ad_bytes != 8)
                        c->modrm_ea = (u32)c->modrm_ea;
-       modrm_done:
+modrm_done:
                ;
        }
 
@@ -828,10 +826,9 @@ done_prefixes:
                c->src.bytes = (c->d & ByteOp) ? 1 :
                                                           c->op_bytes;
                /* Don't fetch the address for invlpg: it could be unmapped. */
-               if (c->twobyte && c->b == 0x01
-                                   && c->modrm_reg == 7)
+               if (c->twobyte && c->b == 0x01 && c->modrm_reg == 7)
                        break;
-             srcmem_common:
+       srcmem_common:
                /*
                 * For instructions with a ModR/M byte, switch to register
                 * access if Mod = 3.
@@ -1175,10 +1172,11 @@ x86_emulate_insn(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops)
        if (c->src.type == OP_MEM) {
                c->src.ptr = (unsigned long *)cr2;
                c->src.val = 0;
-               if ((rc = ops->read_emulated((unsigned long)c->src.ptr,
-                                            &c->src.val,
-                                            c->src.bytes,
-                                            ctxt->vcpu)) != 0)
+               rc = ops->read_emulated((unsigned long)c->src.ptr,
+                                       &c->src.val,
+                                       c->src.bytes,
+                                       ctxt->vcpu);
+               if (rc != 0)
                        goto done;
                c->src.orig_val = c->src.val;
        }