Re: [libvirt] [Qemu-devel] NBD TLS support in QEMU

[Cc: to nbd-general list added] On Wed, Sep 03, 2014 at 05:44:17PM +0100, Stefan Hajnoczi wrote: > Besides QEMU, the userspace NBD tools (http://nbd.sf.net/) can also be > extended to support TLS. In this case the kernel needs a localhost > socket and userspace handles TLS. That introduces a possibility for a deadlock, since now your network socket isn't on the PF_MEMALLOC-protected socket anymore, which will cause the kernel to throw away packets which are needed for your nbd connection, in hopes of clearing some memory.