mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-05 00:20:32 +00:00
90a886b68f
[ Upstream commit df359f0d09 ]
Other parts of the kernel expect these nonblocking EFI callbacks to
exist and crash when running under Xen. Since the implementations of
xen_efi_set_variable() and xen_efi_query_variable_info() do not take any
locks, use them for the nonblocking callbacks too.
Signed-off-by: Ross Lagerwall <ross.lagerwall@citrix.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
42 lines
1.8 KiB
C
42 lines
1.8 KiB
C
/*
|
|
* Copyright (c) 2015, Linaro Limited, Shannon Zhao
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* 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, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <linux/efi.h>
|
|
#include <xen/xen-ops.h>
|
|
#include <asm/xen/xen-ops.h>
|
|
|
|
/* Set XEN EFI runtime services function pointers. Other fields of struct efi,
|
|
* e.g. efi.systab, will be set like normal EFI.
|
|
*/
|
|
void __init xen_efi_runtime_setup(void)
|
|
{
|
|
efi.get_time = xen_efi_get_time;
|
|
efi.set_time = xen_efi_set_time;
|
|
efi.get_wakeup_time = xen_efi_get_wakeup_time;
|
|
efi.set_wakeup_time = xen_efi_set_wakeup_time;
|
|
efi.get_variable = xen_efi_get_variable;
|
|
efi.get_next_variable = xen_efi_get_next_variable;
|
|
efi.set_variable = xen_efi_set_variable;
|
|
efi.set_variable_nonblocking = xen_efi_set_variable;
|
|
efi.query_variable_info = xen_efi_query_variable_info;
|
|
efi.query_variable_info_nonblocking = xen_efi_query_variable_info;
|
|
efi.update_capsule = xen_efi_update_capsule;
|
|
efi.query_capsule_caps = xen_efi_query_capsule_caps;
|
|
efi.get_next_high_mono_count = xen_efi_get_next_high_mono_count;
|
|
efi.reset_system = xen_efi_reset_system;
|
|
}
|
|
EXPORT_SYMBOL_GPL(xen_efi_runtime_setup);
|