gcc warns about casting directly from a 32-bit pointer to u64. In the current rt patch series we cast to unsigned long to avoid the warning, but this fix hasn't been backported to all versions.
Signed-off-by: Ben Hutchings <b...@decadent.org.uk>
Cc: <stable...@vger.kernel.org> # 3.2 3.4
---
kernel/irq/manage.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index e4549b2..964cf41 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -897,7 +897,8 @@ static int irq_thread(void *data)
#ifdef CONFIG_PREEMPT_RT_FULL
migrate_disable();
add_interrupt_randomness(action->irq, 0,
- desc->random_ip ^ (u64)
action);
+ desc->random_ip ^
+ (unsigned long) action);
migrate_enable();
#endif
}
--
Ben Hutchings
All the simple programs have been written, and all the good names taken.
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