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Johannes Berg b58294ce1a um: Allow PM with suspend-to-idle 
[ Upstream commit 92dcd3d318 ]

In order to be able to experiment with suspend in UML, add the
minimal work to be able to suspend (s2idle) an instance of UML,
and be able to wake it back up from that state with the USR1
signal sent to the main UML process.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Acked-By: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-08-21 15:16:20 +02:00
..
skas arch/um: partially revert the conversion to __section() macro 2020-10-26 15:39:37 -07:00
asm-offsets.c
config.c.in um: Add SPDX headers to files in arch/um/kernel/ 2019-09-15 21:37:17 +02:00
dyn.lds.S um: Mark all kernel symbols as local 2021-05-22 11:40:53 +02:00
early_printk.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
exec.c ptrace/um: Replace PT_DTRACE with TIF_SINGLESTEP 2022-06-09 10:20:49 +02:00
exitcode.c proc: convert everything to "struct proc_ops" 2020-02-04 03:05:26 +00:00
gprof_syms.c um: Add SPDX headers to files in arch/um/kernel/ 2019-09-15 21:37:17 +02:00
initrd.c um: Add SPDX headers to files in arch/um/kernel/ 2019-09-15 21:37:17 +02:00
irq.c um: irq: Fix LAST_IRQ usage in init_IRQ() 2019-09-16 08:38:58 +02:00
kmsg_dump.c um: Don't use console_drivers directly 2020-03-29 23:17:10 +02:00
ksyms.c um: Add SPDX headers to files in arch/um/kernel/ 2019-09-15 21:37:17 +02:00
maccess.c maccess: rename probe_kernel_{read,write} to copy_{from,to}_kernel_nofault 2020-06-17 10:57:41 -07:00
Makefile um: Disable CONFIG_GCOV with MODULES 2021-05-22 11:40:53 +02:00
mem.c asm-generic: pgalloc: provide generic pgd_free() 2020-08-07 11:33:26 -07:00
physmem.c um: Add SPDX headers to files in arch/um/kernel/ 2019-09-15 21:37:17 +02:00
process.c ptrace/um: Replace PT_DTRACE with TIF_SINGLESTEP 2022-06-09 10:20:49 +02:00
ptrace.c ptrace/um: Replace PT_DTRACE with TIF_SINGLESTEP 2022-06-09 10:20:49 +02:00
reboot.c um: Add SPDX headers to files in arch/um/kernel/ 2019-09-15 21:37:17 +02:00
sigio.c um: change sigio_spinlock to a mutex 2020-10-11 23:19:35 +02:00
signal.c ptrace/um: Replace PT_DTRACE with TIF_SINGLESTEP 2022-06-09 10:20:49 +02:00
stacktrace.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
syscall.c um: Add SPDX headers to files in arch/um/kernel/ 2019-09-15 21:37:17 +02:00
sysrq.c um: Clean up stacktrace dump 2020-10-11 23:25:07 +02:00
time.c um: Fix time-travel mode 2020-12-30 11:54:17 +01:00
tlb.c um: defer killing userspace on page table update failures 2021-03-04 11:38:42 +01:00
trap.c mm: clean up the last pieces of page fault accountings 2020-08-12 10:58:04 -07:00
um_arch.c um: Allow PM with suspend-to-idle 2022-08-21 15:16:20 +02:00
umid.c um: Add SPDX headers to files in arch/um/kernel/ 2019-09-15 21:37:17 +02:00
uml.lds.S um: Mark all kernel symbols as local 2021-05-22 11:40:53 +02:00
vmlinux.lds.S