* [arm-platforms:kvm-arm64/its-translation-cache 10/11] arch/arm/kvm/../../../virt/kvm/arm/vgic/vgic-kvm-device.c:646:8: error: 'KVM_DEV_ARM_VGIC_PCPU_LPI_CACHE_SIZE' undeclared; did you mean 'KVM_DEV_ARM_VGIC_GRP_CPU_REGS'?
@ 2019-06-19 7:24 kbuild test robot
0 siblings, 0 replies; only message in thread
From: kbuild test robot @ 2019-06-19 7:24 UTC (permalink / raw)
To: Marc Zyngier; +Cc: kbuild-all, linux-arm-kernel
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git kvm-arm64/its-translation-cache
head: 76792d7ebbc0f42b227e6bec56fc7a3a21258f67
commit: 6f00994ddd073b8e2f63949405a24e2c451061f4 [10/11] DO NOT MERGE: Luserspace control knob for the ITS cache
config: arm-axm55xx_defconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (GCC) 7.4.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout 6f00994ddd073b8e2f63949405a24e2c451061f4
# save the attached .config to linux build tree
GCC_VERSION=7.4.0 make.cross ARCH=arm
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
arch/arm/kvm/../../../virt/kvm/arm/vgic/vgic-kvm-device.c: In function 'vgic_v3_set_attr':
>> arch/arm/kvm/../../../virt/kvm/arm/vgic/vgic-kvm-device.c:646:8: error: 'KVM_DEV_ARM_VGIC_PCPU_LPI_CACHE_SIZE' undeclared (first use in this function); did you mean 'KVM_DEV_ARM_VGIC_GRP_CPU_REGS'?
case KVM_DEV_ARM_VGIC_PCPU_LPI_CACHE_SIZE: {
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
KVM_DEV_ARM_VGIC_GRP_CPU_REGS
arch/arm/kvm/../../../virt/kvm/arm/vgic/vgic-kvm-device.c:646:8: note: each undeclared identifier is reported only once for each function it appears in
arch/arm/kvm/../../../virt/kvm/arm/vgic/vgic-kvm-device.c: In function 'vgic_v3_get_attr':
arch/arm/kvm/../../../virt/kvm/arm/vgic/vgic-kvm-device.c:711:8: error: 'KVM_DEV_ARM_VGIC_PCPU_LPI_CACHE_SIZE' undeclared (first use in this function); did you mean 'KVM_DEV_ARM_VGIC_GRP_CPU_REGS'?
case KVM_DEV_ARM_VGIC_PCPU_LPI_CACHE_SIZE: {
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
KVM_DEV_ARM_VGIC_GRP_CPU_REGS
arch/arm/kvm/../../../virt/kvm/arm/vgic/vgic-kvm-device.c: In function 'vgic_v3_has_attr':
arch/arm/kvm/../../../virt/kvm/arm/vgic/vgic-kvm-device.c:755:8: error: 'KVM_DEV_ARM_VGIC_PCPU_LPI_CACHE_SIZE' undeclared (first use in this function); did you mean 'KVM_DEV_ARM_VGIC_GRP_CPU_REGS'?
case KVM_DEV_ARM_VGIC_PCPU_LPI_CACHE_SIZE:
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
KVM_DEV_ARM_VGIC_GRP_CPU_REGS
vim +646 arch/arm/kvm/../../../virt/kvm/arm/vgic/vgic-kvm-device.c
587
588 static int vgic_v3_set_attr(struct kvm_device *dev,
589 struct kvm_device_attr *attr)
590 {
591 int ret;
592
593 ret = vgic_set_common_attr(dev, attr);
594 if (ret != -ENXIO)
595 return ret;
596
597 switch (attr->group) {
598 case KVM_DEV_ARM_VGIC_GRP_DIST_REGS:
599 case KVM_DEV_ARM_VGIC_GRP_REDIST_REGS: {
600 u32 __user *uaddr = (u32 __user *)(long)attr->addr;
601 u32 tmp32;
602 u64 reg;
603
604 if (get_user(tmp32, uaddr))
605 return -EFAULT;
606
607 reg = tmp32;
608 return vgic_v3_attr_regs_access(dev, attr, ®, true);
609 }
610 case KVM_DEV_ARM_VGIC_GRP_CPU_SYSREGS: {
611 u64 __user *uaddr = (u64 __user *)(long)attr->addr;
612 u64 reg;
613
614 if (get_user(reg, uaddr))
615 return -EFAULT;
616
617 return vgic_v3_attr_regs_access(dev, attr, ®, true);
618 }
619 case KVM_DEV_ARM_VGIC_GRP_LEVEL_INFO: {
620 u32 __user *uaddr = (u32 __user *)(long)attr->addr;
621 u64 reg;
622 u32 tmp32;
623
624 if (get_user(tmp32, uaddr))
625 return -EFAULT;
626
627 reg = tmp32;
628 return vgic_v3_attr_regs_access(dev, attr, ®, true);
629 }
630 case KVM_DEV_ARM_VGIC_GRP_CTRL: {
631 int ret;
632
633 switch (attr->attr) {
634 case KVM_DEV_ARM_VGIC_SAVE_PENDING_TABLES:
635 mutex_lock(&dev->kvm->lock);
636
637 if (!lock_all_vcpus(dev->kvm)) {
638 mutex_unlock(&dev->kvm->lock);
639 return -EBUSY;
640 }
641 ret = vgic_v3_save_pending_tables(dev->kvm);
642 unlock_all_vcpus(dev->kvm);
643 mutex_unlock(&dev->kvm->lock);
644 return ret;
645
> 646 case KVM_DEV_ARM_VGIC_PCPU_LPI_CACHE_SIZE: {
647 u32 __user *uaddr = (u32 __user *)(long)attr->addr;
648 u32 val;
649
650 if (get_user(val, uaddr))
651 return -EFAULT;
652
653 /* YAAL: Yet Another Arbitrary Limit */
654 if (val > 256)
655 return -E2BIG;
656
657 dev->kvm->arch.vgic.lpi_pcpu_cache_size = val;
658 return 0;
659 }
660 }
661 break;
662 }
663 }
664 return -ENXIO;
665 }
666
---
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2019-06-19 7:24 [arm-platforms:kvm-arm64/its-translation-cache 10/11] arch/arm/kvm/../../../virt/kvm/arm/vgic/vgic-kvm-device.c:646:8: error: 'KVM_DEV_ARM_VGIC_PCPU_LPI_CACHE_SIZE' undeclared; did you mean 'KVM_DEV_ARM_VGIC_GRP_CPU_REGS'? kbuild test robot
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