A recent change triggered a WARN_ON that interrupts were disabled, and in fact other architectures enable interrupts uniformly for their related do_work_pending() type code, and all the things we call from this routine appear to expect interrupts to be enabled. So, enable them.
Signed-off-by: Chris Metcalf <cmetc...@tilera.com> --- arch/tile/kernel/process.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/tile/kernel/process.c b/arch/tile/kernel/process.c index 2629ff1..9892f03 100644 --- a/arch/tile/kernel/process.c +++ b/arch/tile/kernel/process.c @@ -550,6 +550,9 @@ int do_work_pending(struct pt_regs *regs, u32 thread_info_flags) } #endif + /* Enable interrupts; they are disabled again on return to caller. */ + local_irq_enable(); + if (thread_info_flags & _TIF_NEED_RESCHED) { schedule(); return 1; -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/