On 8/4/2023 4:44 PM, Peter Zijlstra wrote:
> On Wed, Aug 02, 2023 at 02:41:07PM +0530, Nikunj A Dadhania wrote:
>> commit 7f4b5cde2409 ("kvm: Disable objtool frame pointer checking for
>> vmenter.S") had added the vmenter.o file to the exception list.
>>
>> objtool gives the following warnings in the newer kernel builds:
>>
>> arch/x86/kvm/kvm-amd.o: warning: objtool: __svm_vcpu_run+0x17d: BP used as a scratch register
>> arch/x86/kvm/kvm-amd.o: warning: objtool: __svm_sev_es_vcpu_run+0x72: BP used as a scratch register
>>
>
> I wanted to poke around a little, but can't reproduce this.
>
> I took x86_64-defconfig + KVM=m + KVM_AMD=m + UNWIND_FRAME_POINTER=y but
> objtool won't complain :/ What actual .config trips this?
I have attached the config.
Regards,
NikunjAttachment:
config.gz
Description: GNU Zip compressed data
