Re: [PATCH] virtio_blk: avoid DMA to stack for the sense buffer

[Christoph Hellwig]

On Thu, Jan 05, 2017 at 11:37:46AM +0100, 王金浦 wrote:
> Thanks, so it's only relevant to kernel > 4.9, as  CONFIG_VMAP_STACK
> only introduced in 4.9 kernel.

kernel >= 4.9, but otherwise, yes.