Messages in this thread Patch in this message | | | From | Gregory Haskins <> | Subject | [PATCH [RT] 01/14] spinlocks: fix preemption feature when PREEMPT_RT is enabled | Date | Thu, 21 Feb 2008 10:26:30 -0500 |
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The logic is currently broken so that PREEMPT_RT disables preemptible spinlock waiters, which is counter intuitive.
Signed-off-by: Gregory Haskins <ghaskins@novell.com> ---
kernel/spinlock.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/kernel/spinlock.c b/kernel/spinlock.c index c9bcf1b..b0e7f02 100644 --- a/kernel/spinlock.c +++ b/kernel/spinlock.c @@ -117,7 +117,7 @@ EXPORT_SYMBOL(__write_trylock_irqsave); * not re-enabled during lock-acquire (which the preempt-spin-ops do): */ #if !defined(CONFIG_PREEMPT) || !defined(CONFIG_SMP) || \ - defined(CONFIG_DEBUG_LOCK_ALLOC) || defined(CONFIG_PREEMPT_RT) + defined(CONFIG_DEBUG_LOCK_ALLOC) void __lockfunc __read_lock(raw_rwlock_t *lock) {
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