Re: [Xen-devel] caif: Fix napi poll list corruption

2014-12-23 Thread Jason Wang
On Mon, Dec 22, 2014 at 5:35 PM, Herbert Xu wrote: On Mon, Dec 22, 2014 at 04:18:33PM +0800, Jason Wang wrote: btw, looks like at least caif_virtio has the same issue. Good catch. -- >8 -- The commit d75b1ade567ffab085e8adbbdacf0092d10cd09c (net: less interrupt masking in NAPI) breaks c

Re: [Xen-devel] caif: Fix napi poll list corruption

2014-12-22 Thread David Miller
From: Herbert Xu Date: Mon, 22 Dec 2014 20:35:25 +1100 > The commit d75b1ade567ffab085e8adbbdacf0092d10cd09c (net: less > interrupt masking in NAPI) breaks caif. > > It is now required that if the entire budget is consumed when poll > returns, the napi poll_list must remain empty. However, like

[Xen-devel] caif: Fix napi poll list corruption

2014-12-22 Thread Herbert Xu
On Mon, Dec 22, 2014 at 04:18:33PM +0800, Jason Wang wrote: > > btw, looks like at least caif_virtio has the same issue. Good catch. -- >8 -- The commit d75b1ade567ffab085e8adbbdacf0092d10cd09c (net: less interrupt masking in NAPI) breaks caif. It is now required that if the entire budget is con