On Tue, 05 Jul 2016 14:20:47 +0300 Konstantin Khlebnikov <[email protected]> wrote:
> NMI handler doesn't call set_irq_regs(), so get_irq_regs() returns NULL or > stale snapshot from beginning of IRQ interrupted by NMI. Registers from > argument are always here and points to interrupted instruction and state. Changelog is quite poor. Please send along a new one which describes in full detail how this patch alters kernel behaviour. Such a description will help others decide whether their kernel might need this patch and permits others to decide which kernel versions need the fix.
