[ANNOUNCE] PUCK Notes - 2023.05.31 - guest_memfd()

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Thanks everyone who joined this morning, or evening/afternoon depending on where
you are!  The slides and recording are available on Drive (see bottom), though
unfortunately non-Google people will need to request access as our corporate
settings don't provide a way to share with literally everyone.  This *should* be
a one-time pain though, and I'll do my best to grant access immediately.

Key Takeaways:
 - No objections to pursuing a KVM ioctl(), e.g. KVM_CREATE_GUEST_MEMFD.
 - A KVM ioctl() is cleaner than a generic syscall for pKVM and SNP, and at
   worst a wash for TDX.

Next Steps:
 - Vitaly to follow-up with Hyper-V folks to see if "Linux as the root partition"
   needs/wants a generic syscall for managing guest memory.
 - Sean to post KVM_CREATE_GUEST_MEMFD implementation as v11, and to coordinate
   with owners of dependent series to sort out how to iterate efficiently.

Future Schedule:
June 7th  - pKVM on x86 (Google + Intel)
June 14th - Available!
June 21st - No Meeting (Sean OOO)
June 28th - Available!
July 5th  - No Meeting (Sean OOO)

Calendar:
https://calendar.google.com/calendar/u/0?cid=Y182MWE1YjFmNjQ0NzM5YmY1YmVkN2U1ZWE1ZmMzNjY5Y2UzMmEyNTQ0YzVkYjFjN2M4OTE3MDJjYTUwOTBjN2Q1QGdyb3VwLmNhbGVuZGFyLmdvb2dsZS5jb20

Drive:
https://drive.google.com/drive/folders/1aTqCrvTsQI9T4qLhhLs_l986SngGlhPH?resourcekey=0-FDy0ykM3RerZedI8R-zj4A&usp=drive_link



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