Following build warning noticed on arm64,
Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx>
suspecting commit:
KVM: arm64: PMU: Fix GET_ONE_REG for vPMC regs to return the current value
commit 9228b26194d1cc00449f12f306f53ef2e234a55b upstream.
Build log:
----------
arch/arm64/kvm/sys_regs.c:1671:43: error: initialization of 'int
(*)(struct kvm_vcpu *, const struct sys_reg_desc *, const struct
kvm_one_reg *, void *)' from incompatible pointer type 'int (*)(struct
kvm_vcpu *, const struct sys_reg_desc *, u64 *)' {aka 'int (*)(struct
kvm_vcpu *, const struct sys_reg_desc *, long long unsigned int *)'}
[-Werror=incompatible-pointer-types]
1671 | .reg = PMCCNTR_EL0, .get_user = get_pmu_evcntr},
| ^~~~~~~~~~~~~~
arch/arm64/kvm/sys_regs.c:1671:43: note: (near initialization for
'sys_reg_descs[224].__get_user')
arch/arm64/kvm/sys_regs.c:999:48: error: initialization of 'int
(*)(struct kvm_vcpu *, const struct sys_reg_desc *, const struct
kvm_one_reg *, void *)' from incompatible pointer type 'int (*)(struct
kvm_vcpu *, const struct sys_reg_desc *, u64 *)' {aka 'int (*)(struct
kvm_vcpu *, const struct sys_reg_desc *, long long unsigned int *)'}
[-Werror=incompatible-pointer-types]
999 | .reset = reset_pmevcntr, .get_user = get_pmu_evcntr,
\
| ^~~~~~~~~~~~~~
arch/arm64/kvm/sys_regs.c:1768:9: note: in expansion of macro 'PMU_PMEVCNTR_EL0'
1768 | PMU_PMEVCNTR_EL0(0),
| ^~~~~~~~~~~~~~~~
arch/arm64/kvm/sys_regs.c:999:48: note: (near initialization for
'sys_reg_descs[307].__get_user')
999 | .reset = reset_pmevcntr, .get_user = get_pmu_evcntr,
\
| ^~~~~~~~~~~~~~
arch/arm64/kvm/sys_regs.c:1768:9: note: in expansion of macro 'PMU_PMEVCNTR_EL0'
1768 | PMU_PMEVCNTR_EL0(0),
| ^~~~~~~~~~~~~~~~
arch/arm64/kvm/sys_regs.c:999:48: error: initialization of 'int
(*)(struct kvm_vcpu *, const struct sys_reg_desc *, const struct
kvm_one_reg *, void *)' from incompatible pointer type 'int (*)(struct
kvm_vcpu *, const struct sys_reg_desc *, u64 *)' {aka 'int (*)(struct
kvm_vcpu *, const struct sys_reg_desc *, long long unsigned int *)'}
[-Werror=incompatible-pointer-types]
999 | .reset = reset_pmevcntr, .get_user = get_pmu_evcntr,
\
| ^~~~~~~~~~~~~~
arch/arm64/kvm/sys_regs.c:1769:9: note: in expansion of macro 'PMU_PMEVCNTR_EL0'
1769 | PMU_PMEVCNTR_EL0(1),
| ^~~~~~~~~~~~~~~~
arch/arm64/kvm/sys_regs.c:999:48: note: (near initialization for
'sys_reg_descs[308].__get_user')
999 | .reset = reset_pmevcntr, .get_user = get_pmu_evcntr,
\
| ^~~~~~~~~~~~~~
arch/arm64/kvm/sys_regs.c:1769:9: note: in expansion of macro 'PMU_PMEVCNTR_EL0'
1769 | PMU_PMEVCNTR_EL0(1),
| ^~~~~~~~~~~~~~~~
arch/arm64/kvm/sys_regs.c:999:48: error: initialization of 'int
(*)(struct kvm_vcpu *, const struct sys_reg_desc *, const struct
kvm_one_reg *, void *)' from incompatible pointer type 'int (*)(struct
kvm_vcpu *, const struct sys_reg_desc *, u64 *)' {aka 'int (*)(struct
kvm_vcpu *, const struct sys_reg_desc *, long long unsigned int *)'}
[-Werror=incompatible-pointer-types]
999 | .reset = reset_pmevcntr, .get_user = get_pmu_evcntr,
\
| ^~~~~~~~~~~~~~
Test history:
https://qa-reports.linaro.org/lkft/linux-stable-rc-queues-queue_5.15/build/v5.15.105-89-gcc2d591a5bc2/testrun/16027152/suite/build/test/gcc-11-defconfig-lkftconfig/history/
build_name : gcc-11-defconfig-lkftconfig
config : https://storage.tuxsuite.com/public/linaro/lkft/builds/2NuUVvMlXSgSoQEcLJRppFfOniR/config
download_url : https://storage.tuxsuite.com/public/linaro/lkft/builds/2NuUVvMlXSgSoQEcLJRppFfOniR/
git_describe : v5.15.105-89-gcc2d591a5bc2
git_repo : https://gitlab.com/Linaro/lkft/mirrors/stable/linux-stable-rc-queues
git_sha : cc2d591a5bc25e770c332a191509830e883b1a28
git_short_log : cc2d591a5bc2 ("KVM: arm64: Disable interrupts while
walking userspace PTs")
--
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https://lkft.linaro.org
