Messages in this thread |  | | From | Thomas Gleixner <> | Subject | Re: [PATCH v7 06/20] x86/virt/tdx: Shut down TDX module in case of error | Date | Tue, 22 Nov 2022 16:06:25 +0100 |
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On Tue, Nov 22 2022 at 10:20, Peter Zijlstra wrote:
> On Mon, Nov 21, 2022 at 01:26:28PM +1300, Kai Huang wrote: > >> Shutting down the TDX module requires calling TDH.SYS.LP.SHUTDOWN on all >> BIOS-enabled CPUs, and the SEMACALL can run concurrently on different >> CPUs. Implement a mechanism to run SEAMCALL concurrently on all online >> CPUs and use it to shut down the module. Later logical-cpu scope module >> initialization will use it too. > > Uhh, those requirements ^ are not met by this:
Can run concurrently != Must run concurrently
The documentation clearly says "can run concurrently" as quoted above.
Thanks,
tglx
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