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authorMauro Carvalho Chehab <mchehab+samsung@kernel.org>2019-06-11 12:09:28 -0400
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>2019-06-11 12:09:28 -0400
commit5800571960234f9d1f1011bf135799b2014d4268 (patch)
tree11a45f08d0e1e8db0c36195732d822058aa29bb7 /kernel/power/hibernate.c
parentd17589afa97061440c0a161775672a8a7bfa9d12 (diff)
parentd1fdb6d8f6a4109a4263176c84b899076a5f8008 (diff)
Merge tag 'v5.2-rc4' into media/master
There are some conflicts due to SPDX changes. We also have more patches being merged via media tree touching them. So, let's merge back from upstream and address those. Linux 5.2-rc4 * tag 'v5.2-rc4': (767 commits) Linux 5.2-rc4 MAINTAINERS: Karthikeyan Ramasubramanian is MIA i2c: xiic: Add max_read_len quirk lockref: Limit number of cmpxchg loop retries uaccess: add noop untagged_addr definition x86/insn-eval: Fix use-after-free access to LDT entry kbuild: use more portable 'command -v' for cc-cross-prefix s390/unwind: correct stack switching during unwind block, bfq: add weight symlink to the bfq.weight cgroup parameter cgroup: let a symlink too be created with a cftype file drm/nouveau/secboot/gp10[2467]: support newer FW to fix SEC2 failures on some boards drm/nouveau/secboot: enable loading of versioned LS PMU/SEC2 ACR msgqueue FW drm/nouveau/secboot: split out FW version-specific LS function pointers drm/nouveau/secboot: pass max supported FW version to LS load funcs drm/nouveau/core: support versioned firmware loading drm/nouveau/core: pass subdev into nvkm_firmware_get, rather than device block: free sched's request pool in blk_cleanup_queue pktgen: do not sleep with the thread lock held. net: mvpp2: Use strscpy to handle stat strings net: rds: fix memory leak in rds_ib_flush_mr_pool ... Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'kernel/power/hibernate.c')
-rw-r--r--kernel/power/hibernate.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c
index c8c272df7154..cd7434e6000d 100644
--- a/kernel/power/hibernate.c
+++ b/kernel/power/hibernate.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* kernel/power/hibernate.c - Hibernation (a.k.a suspend-to-disk) support.
*
@@ -6,8 +7,6 @@
* Copyright (c) 2004 Pavel Machek <pavel@ucw.cz>
* Copyright (c) 2009 Rafael J. Wysocki, Novell Inc.
* Copyright (C) 2012 Bojan Smojver <bojan@rexursive.com>
- *
- * This file is released under the GPLv2.
*/
#define pr_fmt(fmt) "PM: " fmt
@@ -129,7 +128,7 @@ static int hibernation_test(int level) { return 0; }
static int platform_begin(int platform_mode)
{
return (platform_mode && hibernation_ops) ?
- hibernation_ops->begin() : 0;
+ hibernation_ops->begin(PMSG_FREEZE) : 0;
}
/**
@@ -257,6 +256,11 @@ void swsusp_show_speed(ktime_t start, ktime_t stop,
(kps % 1000) / 10);
}
+__weak int arch_resume_nosmt(void)
+{
+ return 0;
+}
+
/**
* create_image - Create a hibernation image.
* @platform_mode: Whether or not to use the platform driver.
@@ -324,6 +328,10 @@ static int create_image(int platform_mode)
Enable_cpus:
suspend_enable_secondary_cpus();
+ /* Allow architectures to do nosmt-specific post-resume dances */
+ if (!in_suspend)
+ error = arch_resume_nosmt();
+
Platform_finish:
platform_finish(platform_mode);
@@ -542,7 +550,7 @@ int hibernation_platform_enter(void)
* hibernation_ops->finish() before saving the image, so we should let
* the firmware know that we're going to enter the sleep state after all
*/
- error = hibernation_ops->begin();
+ error = hibernation_ops->begin(PMSG_HIBERNATE);
if (error)
goto Close;