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