linux-kernel - [GIT pull] core fixes for 4.20

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Date:   Sun, 11 Nov 2018 09:11:06 +0100
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...nel.org>
Subject: [GIT pull] core fixes for 4.20

Linus,

please pull the latest core-urgent-for-linus git tree from:

   git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git core-urgent-for-linus

A couple of fixlets for the core:

  - Kernel doc function documentation fixes
  - Missing prototypes for weak watchdog functions

Thanks,

	tglx

------------------>
Borislav Petkov (1):
      resource/docs: Complete kernel-doc style function documentation

Mathieu Malaterre (1):
      watchdog/core: Add missing prototypes for weak functions

Randy Dunlap (1):
      resource/docs: Fix new kernel-doc warnings


 include/linux/nmi.h |  2 ++
 kernel/resource.c   | 19 ++++++++++++++-----
 2 files changed, 16 insertions(+), 5 deletions(-)

diff --git a/include/linux/nmi.h b/include/linux/nmi.h
index 08f9247e9827..9003e29cde46 100644
--- a/include/linux/nmi.h
+++ b/include/linux/nmi.h
@@ -119,6 +119,8 @@ static inline int hardlockup_detector_perf_init(void) { return 0; }
 void watchdog_nmi_stop(void);
 void watchdog_nmi_start(void);
 int watchdog_nmi_probe(void);
+int watchdog_nmi_enable(unsigned int cpu);
+void watchdog_nmi_disable(unsigned int cpu);
 
 /**
  * touch_nmi_watchdog - restart NMI watchdog timeout.
diff --git a/kernel/resource.c b/kernel/resource.c
index b3a3a1fc499e..b0fbf685c77a 100644
--- a/kernel/resource.c
+++ b/kernel/resource.c
@@ -319,16 +319,23 @@ int release_resource(struct resource *old)
 EXPORT_SYMBOL(release_resource);
 
 /**
- * Finds the lowest iomem resource that covers part of [start..end].  The
- * caller must specify start, end, flags, and desc (which may be
+ * Finds the lowest iomem resource that covers part of [@start..@end].  The
+ * caller must specify @start, @end, @flags, and @desc (which may be
  * IORES_DESC_NONE).
  *
- * If a resource is found, returns 0 and *res is overwritten with the part
- * of the resource that's within [start..end]; if none is found, returns
- * -1.
+ * If a resource is found, returns 0 and @*res is overwritten with the part
+ * of the resource that's within [@start..@end]; if none is found, returns
+ * -1 or -EINVAL for other invalid parameters.
  *
  * This function walks the whole tree and not just first level children
  * unless @first_lvl is true.
+ *
+ * @start:	start address of the resource searched for
+ * @end:	end address of same resource
+ * @flags:	flags which the resource must have
+ * @desc:	descriptor the resource must have
+ * @first_lvl:	walk only the first level children, if set
+ * @res:	return ptr, if resource found
  */
 static int find_next_iomem_res(resource_size_t start, resource_size_t end,
 			       unsigned long flags, unsigned long desc,
@@ -399,6 +406,8 @@ static int __walk_iomem_res_desc(resource_size_t start, resource_size_t end,
  * @flags: I/O resource flags
  * @start: start addr
  * @end: end addr
+ * @arg: function argument for the callback @func
+ * @func: callback function that is called for each qualifying resource area
  *
  * NOTE: For a new descriptor search, define a new IORES_DESC in
  * <linux/ioport.h> and set it in 'desc' of a target resource entry.