Re: [PATCH 3/4] xen/xsm: Use __init_data_cf_clobber for xsm_ops

[Daniel P. Smith]

On 11/26/21 4:22 PM, Andrew Cooper wrote:

All calls through xsm_ops are fully altcall'd.  Harden all fnptr targets.

This yields:

   (XEN) altcall: Optimised away 197 endbr64 instructions

of 1655 on an everything-enabled build of Xen, which is ~12%.

Signed-off-by: Andrew Cooper <andrew.coop...@citrix.com>

Reviewed-by: Daniel P. Smith <dpsm...@apertussolutions.com>