Re: [patch V6 07/31] rseq, virt: Retrigger RSEQ after vcpu_run()

[Mathieu Desnoyers]

On 2025-10-27 04:44, Thomas Gleixner wrote:
> Hypervisors invoke resume_user_mode_work() before entering the guest, which
> clears TIF_NOTIFY_RESUME. The @regs argument is NULL as there is no user
> space context available to them, so the rseq notify handler skips
> inspecting the critical section, but updates the CPU/MM CID values
> unconditionally so that the eventual pending rseq event is not lost on the
> way to user space.
[...]

Reviewed-by: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx>

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Mathieu Desnoyers
EfficiOS Inc.
https://www.efficios.com