Re: [PATCH 08/25] x86/sgx: Make SGX IPI callback available internally

[Jarkko Sakkinen]

On Wed, Dec 01, 2021 at 11:23:06AM -0800, Reinette Chatre wrote:
> The ETRACK instruction followed by an IPI to all CPUs within an enclave
> is a common pattern with more frequent use in support of SGX2.
> 
> Make the (empty) IPI callback function available internally in
> preparation for more usages.

Please, just describe the usages that this is needed for so that
there is zero guesswork required.

/Jarkko