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/linux-6.3-rc2/tools/testing/selftests/kvm/lib/
A Ducall_common.c18 static struct ucall_header *ucall_pool; variable
36 write_guest_global(vm, ucall_pool, (struct ucall_header *)vaddr); in ucall_init()
46 if (!ucall_pool) in ucall_alloc()
50 if (!test_and_set_bit(i, ucall_pool->in_use)) { in ucall_alloc()
51 uc = &ucall_pool->ucalls[i]; in ucall_alloc()
70 clear_bit(uc - ucall_pool->ucalls, ucall_pool->in_use); in ucall_free()

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