Messages in this thread |  | | Date | Tue, 22 Nov 2022 10:13:40 +0100 | From | Peter Zijlstra <> | Subject | Re: [PATCH v7 06/20] x86/virt/tdx: Shut down TDX module in case of error |
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On Mon, Nov 21, 2022 at 01:26:28PM +1300, Kai Huang wrote:
> +/* > + * Call the SEAMCALL on all online CPUs concurrently. Caller to check > + * @sc->err to determine whether any SEAMCALL failed on any cpu. > + */ > +static void seamcall_on_each_cpu(struct seamcall_ctx *sc) > +{ > + on_each_cpu(seamcall_smp_call_function, sc, true); > +}
Suppose the user has NOHZ_FULL configured, and is already running userspace that will terminate on interrupt (this is desired feature for NOHZ_FULL), guess how happy they'll be if someone, on another parition, manages to tickle this TDX gunk?
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