From: Sasha Levin <sashal@kernel.org>
To: mingo@kernel.org, peterz@infradead.org
Cc: 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,
Sasha Levin <sashal@kernel.org>
Subject: [PATCH 11/11] tools/lib/lockdep: call lockdep_init_task on init
Date: Mon, 17 Feb 2020 21:41:33 -0500 [thread overview]
Message-ID: <20200218024133.5059-12-sashal@kernel.org> (raw)
In-Reply-To: <20200218024133.5059-1-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;
--
2.20.1
prev parent reply other threads:[~2020-02-18 2:42 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-18 2:41 [PATCH 00/11] Fix up liblockdep for 5.6-rc Sasha Levin
2020-02-18 2:41 ` [PATCH 01/11] tools headers: Add kprobes.h header Sasha Levin
2020-02-18 2:41 ` [PATCH 02/11] tools headers: Add rcupdate.h header Sasha Levin
2020-02-18 2:41 ` [PATCH 03/11] tools/kernel.h: extend with dummy RCU functions Sasha Levin
2020-02-18 2:41 ` [PATCH 04/11] tools bitmap: add bitmap_andnot definition Sasha Levin
2020-02-18 2:41 ` [PATCH 05/11] tools/lib/lockdep: add definition required for IRQ flag tracing Sasha Levin
2020-02-18 2:41 ` [PATCH 06/11] tools/kernel.h: add BUILD_BUG_ON_NOT_POWER_OF_2 macro Sasha Levin
2020-02-18 2:41 ` [PATCH 07/11] tools bitmap: add bitmap_clear definition Sasha Levin
2020-02-18 2:41 ` [PATCH 08/11] tools/lib/lockdep: Hook up vsprintf, find_bit, hweight libraries Sasha Levin
2020-02-18 2:41 ` [PATCH 09/11] tools/lib/lockdep: Enable building with CONFIG_TRACE_IRQFLAGS Sasha Levin
2020-02-18 2:41 ` [PATCH 10/11] tools/lib/lockdep: New stacktrace API Sasha Levin
2020-02-18 2:41 ` Sasha Levin [this message]
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