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Subject[tip:core/stacktrace] lib/stackdepot: Remove obsolete functions
Commit-ID:  56d8f079c51afc8b564b9fb0252d48e7b437c1e5
Gitweb: https://git.kernel.org/tip/56d8f079c51afc8b564b9fb0252d48e7b437c1e5
Author: Thomas Gleixner <tglx@linutronix.de>
AuthorDate: Thu, 25 Apr 2019 11:45:20 +0200
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitDate: Mon, 29 Apr 2019 12:37:57 +0200

lib/stackdepot: Remove obsolete functions

No more users of the struct stack_trace based interfaces.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Josh Poimboeuf <jpoimboe@redhat.com>
Acked-by: Alexander Potapenko <glider@google.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: linux-mm@kvack.org
Cc: David Rientjes <rientjes@google.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: kasan-dev@googlegroups.com
Cc: Mike Rapoport <rppt@linux.vnet.ibm.com>
Cc: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: iommu@lists.linux-foundation.org
Cc: Robin Murphy <robin.murphy@arm.com>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Johannes Thumshirn <jthumshirn@suse.de>
Cc: David Sterba <dsterba@suse.com>
Cc: Chris Mason <clm@fb.com>
Cc: Josef Bacik <josef@toxicpanda.com>
Cc: linux-btrfs@vger.kernel.org
Cc: dm-devel@redhat.com
Cc: Mike Snitzer <snitzer@redhat.com>
Cc: Alasdair Kergon <agk@redhat.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: intel-gfx@lists.freedesktop.org
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: dri-devel@lists.freedesktop.org
Cc: David Airlie <airlied@linux.ie>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Tom Zanussi <tom.zanussi@linux.intel.com>
Cc: Miroslav Benes <mbenes@suse.cz>
Cc: linux-arch@vger.kernel.org
Link: https://lkml.kernel.org/r/20190425094803.617937448@linutronix.de

---
include/linux/stackdepot.h | 4 ----
lib/stackdepot.c | 20 --------------------
2 files changed, 24 deletions(-)

diff --git a/include/linux/stackdepot.h b/include/linux/stackdepot.h
index 4297c6d2991d..0805dee1b6b8 100644
--- a/include/linux/stackdepot.h
+++ b/include/linux/stackdepot.h
@@ -23,13 +23,9 @@

typedef u32 depot_stack_handle_t;

-struct stack_trace;
-
-depot_stack_handle_t depot_save_stack(struct stack_trace *trace, gfp_t flags);
depot_stack_handle_t stack_depot_save(unsigned long *entries,
unsigned int nr_entries, gfp_t gfp_flags);

-void depot_fetch_stack(depot_stack_handle_t handle, struct stack_trace *trace);
unsigned int stack_depot_fetch(depot_stack_handle_t handle,
unsigned long **entries);

diff --git a/lib/stackdepot.c b/lib/stackdepot.c
index e84f8e58495c..605c61f65d94 100644
--- a/lib/stackdepot.c
+++ b/lib/stackdepot.c
@@ -216,14 +216,6 @@ unsigned int stack_depot_fetch(depot_stack_handle_t handle,
}
EXPORT_SYMBOL_GPL(stack_depot_fetch);

-void depot_fetch_stack(depot_stack_handle_t handle, struct stack_trace *trace)
-{
- unsigned int nent = stack_depot_fetch(handle, &trace->entries);
-
- trace->max_entries = trace->nr_entries = nent;
-}
-EXPORT_SYMBOL_GPL(depot_fetch_stack);
-
/**
* stack_depot_save - Save a stack trace from an array
*
@@ -318,15 +310,3 @@ fast_exit:
return retval;
}
EXPORT_SYMBOL_GPL(stack_depot_save);
-
-/**
- * depot_save_stack - save stack in a stack depot.
- * @trace - the stacktrace to save.
- * @alloc_flags - flags for allocating additional memory if required.
- */
-depot_stack_handle_t depot_save_stack(struct stack_trace *trace,
- gfp_t alloc_flags)
-{
- return stack_depot_save(trace->entries, trace->nr_entries, alloc_flags);
-}
-EXPORT_SYMBOL_GPL(depot_save_stack);
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