was more welcomed and happened earlier:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c4baad50297d84bde1a7ad45e50c73adae4a2192
On 03/17/2017 08:09 AM, Greg Kroah-Hartman wrote:
> On Fri, Feb 17, 2017 at 11:42:45PM +0300, Jan Dakinevich wrote:
>> The buffer
- return __send_to_port(port, sg, 1, count, (void *)buf, false);
> + data = kmemdup(buf, count, GFP_ATOMIC);
> + if (!data)
> + return -ENOMEM;
> +
> + sg_init_one(sg, data, count);
> + ret = __send_to
The buffer is used by virtio console driver as DMA buffer. Since v4.9
(if VMAP_STACK is enabled) we shouldn't use the stack for DMA.
Signed-off-by: Jan Dakinevich <jan.dakinev...@gmail.com>
---
drivers/tty/hvc/hvc_console.c | 7 ++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff
