On Fri, Mar 24, 2023, Sean Christopherson wrote: > On Mon, 27 Feb 2023 18:06:01 +0000, Ackerley Tng wrote: > > Align the guest stack to match calling sequence requirements in > > section "The Stack Frame" of the System V ABI AMD64 Architecture > > Processor Supplement, which requires the value (%rsp + 8), NOT %rsp, > > to be a multiple of 16 when control is transferred to the function > > entry point. I.e. in a normal function call, %rsp needs to be 16-byte > > aligned _before_ CALL, not after. > > > > [...] > > Applied to kvm-x86 selftests, thanks! > > [1/1] KVM: selftests: Adjust VM's initial stack address to align with SysV ABI spec > https://github.com/kvm-x86/linux/commit/1982754bd2a7 Force pushed to selftests 'cause I had a goof, this now: KVM: selftests: Adjust VM's initial stack address to align with SysV ABI spec https://github.com/kvm-x86/linux/commit/8264e85560e5