Re: [PATCH] iov_iter: Fix 9p virtio breakage

2018-11-03 Thread Marc Zyngier
On Fri, 02 Nov 2018 19:04:33 +, Al Viro wrote: > > On Fri, Nov 02, 2018 at 05:16:51PM +, Marc Zyngier wrote: > > When switching to the new iovec accessors, a negation got subtly > > dropped, leading to 9p being remarkably broken (here with kvmtool): > > > > [7.430941] VFS: Mounted ro

Re: [PATCH] iov_iter: Fix 9p virtio breakage

2018-11-02 Thread Al Viro
On Fri, Nov 02, 2018 at 05:16:51PM +, Marc Zyngier wrote: > When switching to the new iovec accessors, a negation got subtly > dropped, leading to 9p being remarkably broken (here with kvmtool): > > [7.430941] VFS: Mounted root (9p filesystem) on device 0:15. > [7.432080] devtmpfs: mou

[PATCH] iov_iter: Fix 9p virtio breakage

2018-11-02 Thread Marc Zyngier
When switching to the new iovec accessors, a negation got subtly dropped, leading to 9p being remarkably broken (here with kvmtool): [7.430941] VFS: Mounted root (9p filesystem) on device 0:15. [7.432080] devtmpfs: mounted [7.432717] Freeing unused kernel memory: 1344K [7.433658] R