Olivier Houchard
9cd27257d5
Introduce cpu_icache_sync_range_checked(), that does the same thing as ...
cpu_icache_sync_range(), except that it sets pcb_onfault to catch any page
fault, as doing cache maintenance operations for non-mapped generates a
data abort, and use it in freebsd32_sysarch(), so that a userland program
attempting to sync the icache with unmapped addresses doesn't crash the
kernel.
Spotted out by: andrew
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9cd27257d5