* [arm-platforms:kvm-arm64/nv-wip 88/115] arch/arm64/kvm/sys_regs.c:1908:26: error: passing argument 1 of 'vcpu_el2_e2h_is_set' from incompatible pointer type
@ 2018-09-18 12:16 kbuild test robot
0 siblings, 0 replies; only message in thread
From: kbuild test robot @ 2018-09-18 12:16 UTC (permalink / raw)
To: linux-arm-kernel
tree: https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git kvm-arm64/nv-wip
head: 173677c6812ce2b5748dfec2f9814f30c2cf01ce
commit: 2a4367529d7b477d7cde07b0720fa0b56a4f0f5e [88/115] KVM: arm64: Emulate AT S1E[01] instructions
config: arm64-defconfig (attached as .config)
compiler: aarch64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout 2a4367529d7b477d7cde07b0720fa0b56a4f0f5e
# save the attached .config to linux build tree
GCC_VERSION=7.2.0 make.cross ARCH=arm64
Note: the arm-platforms/kvm-arm64/nv-wip HEAD 173677c6812ce2b5748dfec2f9814f30c2cf01ce builds fine.
It only hurts bisectibility.
All errors (new ones prefixed by >>):
arch/arm64/kvm/sys_regs.c: In function 'handle_s1e01':
>> arch/arm64/kvm/sys_regs.c:1908:26: error: passing argument 1 of 'vcpu_el2_e2h_is_set' from incompatible pointer type [-Werror=incompatible-pointer-types]
if (vcpu_el2_e2h_is_set(vcpu) && vcpu_el2_tge_is_set(vcpu))
^~~~
In file included from arch/arm64/kvm/sys_regs.c:35:0:
arch/arm64/include/asm/kvm_emulate.h:219:20: note: expected 'const struct kvm_cpu_context *' but argument is of type 'struct kvm_vcpu *'
static inline bool vcpu_el2_e2h_is_set(const struct kvm_cpu_context *ctxt)
^~~~~~~~~~~~~~~~~~~
>> arch/arm64/kvm/sys_regs.c:1909:9: error: 'struct kvm_cpu_context' has no member named 'hw_sys_regs'; did you mean 'sys_regs'?
ctxt->hw_sys_regs = ctxt->shadow_sys_regs;
^~~~~~~~~~~
sys_regs
>> arch/arm64/kvm/sys_regs.c:1909:29: error: 'struct kvm_cpu_context' has no member named 'shadow_sys_regs'; did you mean 'sys_regs'?
ctxt->hw_sys_regs = ctxt->shadow_sys_regs;
^~~~~~~~~~~~~~~
sys_regs
arch/arm64/kvm/sys_regs.c:1911:9: error: 'struct kvm_cpu_context' has no member named 'hw_sys_regs'; did you mean 'sys_regs'?
ctxt->hw_sys_regs = ctxt->sys_regs;
^~~~~~~~~~~
sys_regs
cc1: some warnings being treated as errors
vim +/vcpu_el2_e2h_is_set +1908 arch/arm64/kvm/sys_regs.c
1899
1900 static bool handle_s1e01(struct kvm_vcpu *vcpu, struct sys_reg_params *p,
1901 const struct sys_reg_desc *r)
1902 {
1903 struct kvm_cpu_context *ctxt = &vcpu->arch.ctxt;
1904 bool el2_format;
1905 int sys_encoding = sys_insn(p->Op0, p->Op1, p->CRn, p->CRm, p->Op2);
1906
1907 /* See '2. EL0/EL1 AT instructions: S1E[01]x, S12E1x' table. */
> 1908 if (vcpu_el2_e2h_is_set(vcpu) && vcpu_el2_tge_is_set(vcpu))
> 1909 ctxt->hw_sys_regs = ctxt->shadow_sys_regs;
1910 else
1911 ctxt->hw_sys_regs = ctxt->sys_regs;
1912
1913 el2_format = vcpu_el2_format_used(vcpu);
1914
1915 kvm_call_hyp(__kvm_at_insn, vcpu, p->regval, el2_format, sys_encoding);
1916
1917 return true;
1918 }
1919
---
0-DAY kernel test infrastructure Open Source Technology Center
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