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 <ben@xxxxxxxxxxxxxxx> Cc: <stable-rt@xxxxxxxxxxxxxxx> # 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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