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linux-next/include
Matt Fleming 0c5ed61adb efi/reboot: Allow powering off machines using EFI
Not only can EfiResetSystem() be used to reboot, it can also be used to
power down machines.

By and large, this functionality doesn't work very well across the range
of EFI machines in the wild, so it should definitely only be used as a
last resort. In an ideal world, this wouldn't be needed at all.

Unfortunately, we're starting to see machines where EFI is the *only*
reliable way to power down, and nothing else, not PCI, not ACPI, works.

efi_poweroff_required() should be implemented on a per-architecture
basis, since exactly when we should be using EFI runtime services is a
platform-specific decision. There's no analogue for reboot because each
architecture handles reboot very differently - the x86 code in
particular is pretty complex.

Patches to enable this for specific classes of hardware will be
submitted separately.

Tested-by: Mark Salter <msalter@redhat.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
2014-07-18 21:23:52 +01:00
..
acpi Merge branch 'acpi-video' 2014-06-03 23:12:37 +02:00
asm-generic Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-06-12 19:18:49 -07:00
clocksource
crypto crypto: hash - Add real ahash walk interface 2014-05-21 20:56:12 +08:00
drm Merge branch 'drm-next-3.16' of git://people.freedesktop.org/~agd5f/linux into drm-next 2014-06-10 13:09:01 +10:00
dt-bindings Merge branch 'for-v3.16/ti-clk-drv' of github.com:t-kristo/linux-pm into clk-next 2014-06-10 16:53:25 -07:00
keys
kvm
linux efi/reboot: Allow powering off machines using EFI 2014-07-18 21:23:52 +01:00
math-emu
media Merge branch 'topic/omap3isp' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media 2014-06-12 23:04:28 -07:00
memory
misc
net udp: call __skb_checksum_complete when doing full checksum 2014-06-15 01:00:49 -07:00
pcmcia
ras
rdma Merge branches 'core', 'cxgb3', 'cxgb4', 'iser', 'iwpm', 'misc', 'mlx4', 'mlx5', 'noio', 'ocrdma', 'qib', 'srp' and 'usnic' into for-next 2014-06-10 10:12:14 -07:00
rxrpc
scsi Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 2014-06-12 22:38:32 -07:00
sound ALSA: core: Use ktime_get_ts() 2014-06-12 12:58:16 +02:00
target target: Report correct response length for some commands 2014-06-11 12:15:30 -07:00
trace Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-06-12 19:42:15 -07:00
uapi Merge git://git.infradead.org/users/willy/linux-nvme 2014-06-15 15:58:03 -10:00
video Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux 2014-06-12 11:32:30 -07:00
xen Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-06-12 14:27:40 -07:00
Kbuild