Re: [PATCH 5/7] x86/sgx: Add flag to zero added region instead of copying from source

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On Wed, Jun 5, 2019 at 12:49 PM Sean Christopherson
<sean.j.christopherson@xxxxxxxxx> wrote:
>
> For some enclaves, e.g. an enclave with a small code footprint and a
> large working set, the vast majority of pages added to the enclave are
> zero pages.  Introduce a flag to denote such zero pages.  The major
> benefit of the flag will be realized in a future patch to use Linux's
> actual zero page as the source, as opposed to explicitly zeroing the
> enclave's backing memory.
>

I feel like I probably asked this at some point, but why is there a
workqueue here at all?



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