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linux-next/arch/powerpc/kvm/book3s_64_exports.c
Alexander Graf d5e528136c KVM: PPC: Add helper functions to call real mode loaders
Linux contains quite some bits of code to load FPU, Altivec and VSX lazily for
a task. It calls those bits in real mode, coming from an interrupt handler.

For KVM we better reuse those, so let's wrap a bit of trampoline magic around
them and then we can call them from normal module code.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
2010-03-01 12:35:52 -03:00

33 lines
1.1 KiB
C

/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2, as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Copyright SUSE Linux Products GmbH 2009
*
* Authors: Alexander Graf <agraf@suse.de>
*/
#include <linux/module.h>
#include <asm/kvm_book3s.h>
EXPORT_SYMBOL_GPL(kvmppc_trampoline_enter);
EXPORT_SYMBOL_GPL(kvmppc_trampoline_lowmem);
EXPORT_SYMBOL_GPL(kvmppc_rmcall);
EXPORT_SYMBOL_GPL(kvmppc_load_up_fpu);
#ifdef CONFIG_ALTIVEC
EXPORT_SYMBOL_GPL(kvmppc_load_up_altivec);
#endif
#ifdef CONFIG_VSX
EXPORT_SYMBOL_GPL(kvmppc_load_up_vsx);
#endif