Re: [PATCH v2] arm64: kvm: route synchronous external abort exceptions to el2

From: kbuild test robot
Date: Sun Jun 25 2017 - 21:10:19 EST


Hi Dongjiu,

[auto build test ERROR on kvm/linux-next]
[also build test ERROR on v4.12-rc6 next-20170623]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Dongjiu-Geng/arm64-kvm-route-synchronous-external-abort-exceptions-to-el2/20170626-051545
base: https://git.kernel.org/pub/scm/virt/kvm/kvm.git linux-next
config: arm64-defconfig (attached as .config)
compiler: aarch64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=arm64

All errors (new ones prefixed by >>):

In file included from arch/arm64/kvm/../../../virt/kvm/arm/arm.c:45:0:
arch/arm64/include/asm/kvm_emulate.h: In function 'vcpu_reset_hcr':
>> arch/arm64/include/asm/kvm_emulate.h:50:26: error: 'ARM64_HAS_RAS_EXTN' undeclared (first use in this function)
if (cpus_have_const_cap(ARM64_HAS_RAS_EXTN)) {
^~~~~~~~~~~~~~~~~~
arch/arm64/include/asm/kvm_emulate.h:50:26: note: each undeclared identifier is reported only once for each function it appears in

vim +/ARM64_HAS_RAS_EXTN +50 arch/arm64/include/asm/kvm_emulate.h

44
45 static inline void vcpu_reset_hcr(struct kvm_vcpu *vcpu)
46 {
47 vcpu->arch.hcr_el2 = HCR_GUEST_FLAGS;
48 if (is_kernel_in_hyp_mode())
49 vcpu->arch.hcr_el2 |= HCR_E2H;
> 50 if (cpus_have_const_cap(ARM64_HAS_RAS_EXTN)) {
51 /* route synchronous external abort exceptions to EL2 */
52 vcpu->arch.hcr_el2 |= HCR_TEA;
53 /* trap error record accesses */

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