From: Sasha Levin <sashal@kernel.org>
To: peterz@infradead.org
Cc: mingo@kernel.org, linux-kernel@vger.kernel.org,
tglx@linutronix.de, jolsa@redhat.com,
alexey.budankov@linux.intel.com, songliubraving@fb.com,
acme@redhat.com, allison@lohutok.net, sashal@kernel.org
Subject: [PATCH v3 10/14] tools/lib/lockdep: call lockdep_init_task on init
Date: Mon, 22 Jun 2020 18:42:54 -0400 [thread overview]
Message-ID: <20200622224258.1208588-11-sashal@kernel.org> (raw)
In-Reply-To: <20200622224258.1208588-1-sashal@kernel.org>
We now have to explicitly call lockdep_init_task() when starting up.
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
tools/lib/lockdep/preload.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/tools/lib/lockdep/preload.c b/tools/lib/lockdep/preload.c
index 8f1adbe887b2f..578fdeda9422c 100644
--- a/tools/lib/lockdep/preload.c
+++ b/tools/lib/lockdep/preload.c
@@ -9,6 +9,8 @@
#include "include/liblockdep/mutex.h"
#include "../../include/linux/rbtree.h"
+extern struct task_struct *__curr(void);
+
/**
* struct lock_lookup - liblockdep's view of a single unique lock
* @orig: pointer to the original pthread lock, used for lookups
@@ -421,6 +423,8 @@ __attribute__((constructor)) static void init_preload(void)
if (__init_state == done)
return;
+ lockdep_init_task(__curr());
+
#ifndef __GLIBC__
__init_state = prepare;
--
2.25.1
next prev parent reply other threads:[~2020-06-22 22:43 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-22 22:42 [PATCH v3 00/14] Fix up liblockdep for 5.8-rc Sasha Levin
2020-06-22 22:42 ` [PATCH v3 01/14] tools headers: Add kprobes.h header Sasha Levin
2020-06-22 22:42 ` [PATCH v3 02/14] tools headers: Add rcupdate.h header Sasha Levin
2020-06-22 22:42 ` [PATCH v3 03/14] tools/kernel.h: extend with dummy RCU functions Sasha Levin
2020-06-22 22:42 ` [PATCH v3 04/14] tools bitmap: add bitmap_andnot definition Sasha Levin
2020-06-22 22:42 ` [PATCH v3 05/14] tools/lib/lockdep: add definition required for IRQ flag tracing Sasha Levin
2020-06-22 22:42 ` [PATCH v3 06/14] tools bitmap: add bitmap_clear definition Sasha Levin
2020-06-22 22:42 ` [PATCH v3 07/14] tools/lib/lockdep: Hook up vsprintf, find_bit, hweight libraries Sasha Levin
2020-06-22 22:42 ` [PATCH v3 08/14] tools/lib/lockdep: Enable building with CONFIG_TRACE_IRQFLAGS Sasha Levin
2020-06-22 22:42 ` [PATCH v3 09/14] tools/lib/lockdep: New stacktrace API Sasha Levin
2020-06-22 22:42 ` Sasha Levin [this message]
2020-06-22 22:42 ` [PATCH v3 11/14] tools/lib/lockdep: switch to using lockdep_init_map_waits Sasha Levin
2020-06-22 22:42 ` [PATCH v3 12/14] tools/kernel.h: hide noinstr Sasha Levin
2020-06-23 3:12 ` kernel test robot
2020-06-23 3:12 ` kernel test robot
2020-06-22 22:42 ` [PATCH v3 13/14] tools/lib/lockdep: explicitly declare lockdep_init_task() Sasha Levin
2020-06-22 22:42 ` [PATCH v3 14/14] tools/kernel.h: hide task_struct.hardirq_chain_key Sasha Levin
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