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e283c994ab
Filling the hypercall page with nops is not helpful from a debugging point of view, as for example attempting to execute an hypercall before the page is initialized will result in the execution flow falling through into xen_start32, making the mistake less obvious to spot. Instead fill the page with int3 (0xcc) which will result in a #BP trap. Sponsored by: Cloud Software Group Reviewed by: markj Differential revision: https://reviews.freebsd.org/D43930 |
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