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authorIngo Molnar <mingo@elte.hu>2008-07-14 12:09:28 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-14 12:09:28 +0200
commitd12c1a37925a8ec386994169605fe99217295199 (patch)
tree754d74560db8bc316deb445a9f6efb2db3b08c7f
parent992860e991f2015fb8c8df65aa32afa0dcbb4430 (diff)
lockdep: fix kernel/fork.c warning
fix: [ 0.184011] ------------[ cut here ]------------ [ 0.188011] WARNING: at kernel/fork.c:918 copy_process+0x1c0/0x1084() [ 0.192011] Pid: 0, comm: swapper Not tainted 2.6.26-tip-00351-g01d4a50-dirty #14521 [ 0.196011] [<c0135d48>] warn_on_slowpath+0x3c/0x60 [ 0.200012] [<c016f805>] ? __alloc_pages_internal+0x92/0x36b [ 0.208012] [<c033de5e>] ? __spin_lock_init+0x24/0x4a [ 0.212012] [<c01347e3>] copy_process+0x1c0/0x1084 [ 0.216013] [<c013575f>] do_fork+0xb8/0x1ad [ 0.220013] [<c034f75e>] ? acpi_os_release_lock+0x8/0xa [ 0.228013] [<c034ff7a>] ? acpi_os_vprintf+0x20/0x24 [ 0.232014] [<c01129ee>] kernel_thread+0x75/0x7d [ 0.236014] [<c0a491eb>] ? kernel_init+0x0/0x24a [ 0.240014] [<c0a491eb>] ? kernel_init+0x0/0x24a [ 0.244014] [<c01151b0>] ? kernel_thread_helper+0x0/0x10 [ 0.252015] [<c06c6ac0>] rest_init+0x14/0x50 [ 0.256015] [<c0a498ce>] start_kernel+0x2b9/0x2c0 [ 0.260015] [<c0a4904f>] __init_begin+0x4f/0x57 [ 0.264016] ======================= [ 0.268016] ---[ end trace 4eaa2a86a8e2da22 ]--- [ 0.272016] enabled ExtINT on CPU#0 which occurs if CONFIG_TRACE_IRQFLAGS=y, CONFIG_DEBUG_LOCKDEP=y, but CONFIG_PROVE_LOCKING is disabled. Signed-off-by: Ingo Molnar <mingo@elte.hu>
-rw-r--r--kernel/fork.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index 19908b26cf8..cdb1f82d3bd 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -909,7 +909,7 @@ static struct task_struct *copy_process(unsigned long clone_flags,
rt_mutex_init_task(p);
-#ifdef CONFIG_TRACE_IRQFLAGS
+#ifdef CONFIG_PROVE_LOCKING
DEBUG_LOCKS_WARN_ON(!p->hardirqs_enabled);
DEBUG_LOCKS_WARN_ON(!p->softirqs_enabled);
#endif