[PATCH v15 04/10] arm64: Kprobes with single stepping support
From: catalin.marinas@arm.com (Catalin Marinas)
Date: 2016-07-20 15:50:11
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lkml
On Fri, Jul 08, 2016 at 12:35:48PM -0400, David Long wrote:
+#define MIN_STACK_SIZE(addr) (on_irq_stack(addr, raw_smp_processor_id()) ? \ + min((unsigned long)IRQ_STACK_SIZE, \ + IRQ_STACK_PTR(raw_smp_processor_id()) - (addr)) : \ + min((unsigned long)MAX_STACK_SIZE, \ + (unsigned long)current_thread_info() + THREAD_START_SP - (addr)))
I presume you've never tested the on_irq_stack() path in this macro. -- Catalin