From: tip-bot for Thomas Gleixner <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
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snitzer@redhat.com
Subject: [tip:core/stacktrace] lockdep: Remove save argument from check_prev_add()
Date: Mon, 29 Apr 2019 11:43:06 -0700 [thread overview]
Message-ID: <tip-76b14436b4d98903fef723365170bedd6f28ab2c@git.kernel.org> (raw)
In-Reply-To: <20190425094802.803362058@linutronix.de>
Commit-ID: 76b14436b4d98903fef723365170bedd6f28ab2c
Gitweb: https://git.kernel.org/tip/76b14436b4d98903fef723365170bedd6f28ab2c
Author: Thomas Gleixner <tglx@linutronix.de>
AuthorDate: Thu, 25 Apr 2019 11:45:11 +0200
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitDate: Mon, 29 Apr 2019 12:37:53 +0200
lockdep: Remove save argument from check_prev_add()
There is only one caller which hands in save_trace as function pointer.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Josh Poimboeuf <jpoimboe@redhat.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Alexander Potapenko <glider@google.com>
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/20190425094802.803362058@linutronix.de
---
kernel/locking/lockdep.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c
index d7615d299d08..3603893d5bbd 100644
--- a/kernel/locking/lockdep.c
+++ b/kernel/locking/lockdep.c
@@ -2158,8 +2158,7 @@ check_deadlock(struct task_struct *curr, struct held_lock *next,
*/
static int
check_prev_add(struct task_struct *curr, struct held_lock *prev,
- struct held_lock *next, int distance, struct stack_trace *trace,
- int (*save)(struct stack_trace *trace))
+ struct held_lock *next, int distance, struct stack_trace *trace)
{
struct lock_list *uninitialized_var(target_entry);
struct lock_list *entry;
@@ -2199,11 +2198,11 @@ check_prev_add(struct task_struct *curr, struct held_lock *prev,
if (unlikely(!ret)) {
if (!trace->entries) {
/*
- * If @save fails here, the printing might trigger
- * a WARN but because of the !nr_entries it should
- * not do bad things.
+ * If save_trace fails here, the printing might
+ * trigger a WARN but because of the !nr_entries it
+ * should not do bad things.
*/
- save(trace);
+ save_trace(trace);
}
return print_circular_bug(&this, target_entry, next, prev);
}
@@ -2253,7 +2252,7 @@ check_prev_add(struct task_struct *curr, struct held_lock *prev,
return print_bfs_bug(ret);
- if (!trace->entries && !save(trace))
+ if (!trace->entries && !save_trace(trace))
return 0;
/*
@@ -2318,7 +2317,8 @@ check_prevs_add(struct task_struct *curr, struct held_lock *next)
* added:
*/
if (hlock->read != 2 && hlock->check) {
- int ret = check_prev_add(curr, hlock, next, distance, &trace, save_trace);
+ int ret = check_prev_add(curr, hlock, next, distance,
+ &trace);
if (!ret)
return 0;
next prev parent reply other threads:[~2019-04-29 18:44 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-25 9:44 [patch V3 00/29] stacktrace: Consolidate stack trace usage Thomas Gleixner
2019-04-25 9:44 ` [patch V3 01/29] tracing: Cleanup stack trace code Thomas Gleixner
2019-04-29 18:31 ` [tip:core/stacktrace] " tip-bot for Thomas Gleixner
2019-04-25 9:44 ` [patch V3 02/29] stacktrace: Provide helpers for common stack trace operations Thomas Gleixner
2019-04-29 18:31 ` [tip:core/stacktrace] " tip-bot for Thomas Gleixner
2019-04-25 9:44 ` [patch V3 03/29] lib/stackdepot: Provide functions which operate on plain storage arrays Thomas Gleixner
2019-04-29 18:32 ` [tip:core/stacktrace] " tip-bot for Thomas Gleixner
2019-04-25 9:44 ` [patch V3 04/29] backtrace-test: Simplify stack trace handling Thomas Gleixner
2019-04-29 18:33 ` [tip:core/stacktrace] " tip-bot for Thomas Gleixner
2019-04-25 9:44 ` [patch V3 05/29] proc: Simplify task stack retrieval Thomas Gleixner
2019-04-29 18:34 ` [tip:core/stacktrace] " tip-bot for Thomas Gleixner
2019-04-25 9:44 ` [patch V3 06/29] latency_top: Simplify stack trace handling Thomas Gleixner
2019-04-29 18:34 ` [tip:core/stacktrace] " tip-bot for Thomas Gleixner
2019-04-25 9:45 ` [patch V3 07/29] mm/slub: Simplify stack trace retrieval Thomas Gleixner
2019-04-29 18:35 ` [tip:core/stacktrace] " tip-bot for Thomas Gleixner
2019-04-25 9:45 ` [patch V3 08/29] mm/kmemleak: Simplify stacktrace handling Thomas Gleixner
2019-04-29 18:36 ` [tip:core/stacktrace] " tip-bot for Thomas Gleixner
2019-04-25 9:45 ` [patch V3 09/29] mm/kasan: " Thomas Gleixner
2019-04-29 18:36 ` [tip:core/stacktrace] " tip-bot for Thomas Gleixner
2019-04-25 9:45 ` [patch V3 10/29] mm/page_owner: Simplify stack trace handling Thomas Gleixner
2019-04-29 18:37 ` [tip:core/stacktrace] " tip-bot for Thomas Gleixner
2019-04-25 9:45 ` [patch V3 11/29] fault-inject: Simplify stacktrace retrieval Thomas Gleixner
2019-04-29 18:38 ` [tip:core/stacktrace] " tip-bot for Thomas Gleixner
2019-04-25 9:45 ` [patch V3 12/29] dma/debug: Simplify stracktrace retrieval Thomas Gleixner
2019-04-29 18:39 ` [tip:core/stacktrace] " tip-bot for Thomas Gleixner
2019-04-25 9:45 ` [patch V3 13/29] btrfs: ref-verify: Simplify stack trace retrieval Thomas Gleixner
2019-04-29 18:39 ` [tip:core/stacktrace] " tip-bot for Thomas Gleixner
2019-04-25 9:45 ` [patch V3 14/29] dm bufio: " Thomas Gleixner
2019-04-29 18:40 ` [tip:core/stacktrace] " tip-bot for Thomas Gleixner
2019-04-25 9:45 ` [patch V3 15/29] dm persistent data: Simplify stack trace handling Thomas Gleixner
2019-04-29 18:41 ` [tip:core/stacktrace] " tip-bot for Thomas Gleixner
2019-04-25 9:45 ` [patch V3 16/29] drm: Simplify stacktrace handling Thomas Gleixner
2019-04-29 18:41 ` [tip:core/stacktrace] " tip-bot for Thomas Gleixner
2019-04-25 9:45 ` [patch V3 17/29] lockdep: Remove unused trace argument from print_circular_bug() Thomas Gleixner
2019-04-29 18:42 ` [tip:core/stacktrace] " tip-bot for Thomas Gleixner
2019-04-25 9:45 ` [patch V3 18/29] lockdep: Remove save argument from check_prev_add() Thomas Gleixner
2019-04-25 13:35 ` Peter Zijlstra
2019-04-29 18:43 ` tip-bot for Thomas Gleixner [this message]
2019-04-25 9:45 ` [patch V3 19/29] lockdep: Simplify stack trace handling Thomas Gleixner
2019-04-29 18:43 ` [tip:core/stacktrace] " tip-bot for Thomas Gleixner
2019-04-25 9:45 ` [patch V3 20/29] tracing: Simplify stacktrace retrieval in histograms Thomas Gleixner
2019-04-29 18:44 ` [tip:core/stacktrace] " tip-bot for Thomas Gleixner
2019-04-25 9:45 ` [patch V3 21/29] tracing: Use percpu stack trace buffer more intelligently Thomas Gleixner
2019-04-25 13:29 ` Josh Poimboeuf
2019-04-29 18:45 ` [tip:core/stacktrace] " tip-bot for Thomas Gleixner
2019-04-25 9:45 ` [patch V3 22/29] tracing: Make ftrace_trace_userstack() static and conditional Thomas Gleixner
2019-04-29 18:45 ` [tip:core/stacktrace] " tip-bot for Thomas Gleixner
2019-04-25 9:45 ` [patch V3 23/29] tracing: Simplify stack trace retrieval Thomas Gleixner
2019-04-29 18:46 ` [tip:core/stacktrace] " tip-bot for Thomas Gleixner
2019-04-25 9:45 ` [patch V3 24/29] tracing: Remove the last struct stack_trace usage Thomas Gleixner
2019-04-25 13:30 ` Josh Poimboeuf
2019-04-29 18:47 ` [tip:core/stacktrace] " tip-bot for Thomas Gleixner
2019-04-25 9:45 ` [patch V3 25/29] livepatch: Simplify stack trace retrieval Thomas Gleixner
2019-04-29 18:47 ` [tip:core/stacktrace] " tip-bot for Thomas Gleixner
2019-04-25 9:45 ` [patch V3 26/29] stacktrace: Remove obsolete functions Thomas Gleixner
2019-04-29 18:48 ` [tip:core/stacktrace] " tip-bot for Thomas Gleixner
2019-04-25 9:45 ` [patch V3 27/29] lib/stackdepot: " Thomas Gleixner
2019-04-29 18:49 ` [tip:core/stacktrace] " tip-bot for Thomas Gleixner
2019-04-25 9:45 ` [patch V3 28/29] stacktrace: Provide common infrastructure Thomas Gleixner
2019-04-29 18:49 ` [tip:core/stacktrace] " tip-bot for Thomas Gleixner
2019-04-25 9:45 ` [patch V3 29/29] x86/stacktrace: Use " Thomas Gleixner
2019-04-29 18:50 ` [tip:core/stacktrace] " tip-bot for Thomas Gleixner
2019-04-25 10:09 ` [patch V3 00/29] stacktrace: Consolidate stack trace usage Ingo Molnar
2019-04-25 13:31 ` Josh Poimboeuf
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