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
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https://github.com/kvm-x86/linux/tree/next
https://github.com/kvm-x86/linux/tree/fixes
