2 * Copyright 2010 Tilera Corporation. All Rights Reserved.
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation, version 2.
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
11 * NON INFRINGEMENT. See the GNU General Public License for
14 * Assembly code for invoking the HV's fence_incoherent syscall.
17 #include <linux/linkage.h>
18 #include <hv/syscall_public.h>
20 #include <arch/chip.h>
22 #if !CHIP_HAS_MF_WAITS_FOR_VICTIMS()
25 * Invoke the hypervisor's fence_incoherent syscall, which guarantees
26 * that all victims for cachelines homed on this tile have reached memory.
28 STD_ENTRY(__mb_incoherent)
29 moveli TREG_SYSCALL_NR_NAME, HV_SYS_fence_incoherent
32 STD_ENDPROC(__mb_incoherent)