Re: [PATCH] xen-netfront: Remove BUGs on paged skb data which crosses a page boundary

2014-12-02 Thread David Miller
From: Seth Forshee Date: Tue, 25 Nov 2014 20:28:24 -0600 > These BUGs can be erroneously triggered by frags which refer to > tail pages within a compound page. The data in these pages may > overrun the hardware page while still being contained within the > compound page, but since compound_order(

Re: [Xen-devel] [PATCH] xen-netfront: Remove BUGs on paged skb data which crosses a page boundary

2014-12-01 Thread David Vrabel
On 26/11/14 17:28, David Miller wrote: > From: Seth Forshee > Date: Tue, 25 Nov 2014 20:28:24 -0600 > >> These BUGs can be erroneously triggered by frags which refer to >> tail pages within a compound page. The data in these pages may >> overrun the hardware page while still being contained withi

Re: [PATCH] xen-netfront: Remove BUGs on paged skb data which crosses a page boundary

2014-11-29 Thread David Miller
From: Seth Forshee Date: Wed, 26 Nov 2014 21:53:50 -0600 > On Wed, Nov 26, 2014 at 12:28:12PM -0500, David Miller wrote: >> From: Seth Forshee >> Date: Tue, 25 Nov 2014 20:28:24 -0600 >> >> > These BUGs can be erroneously triggered by frags which refer to >> > tail pages within a compound page.

Re: [PATCH] xen-netfront: Remove BUGs on paged skb data which crosses a page boundary

2014-11-26 Thread Seth Forshee
On Wed, Nov 26, 2014 at 12:28:12PM -0500, David Miller wrote: > From: Seth Forshee > Date: Tue, 25 Nov 2014 20:28:24 -0600 > > > These BUGs can be erroneously triggered by frags which refer to > > tail pages within a compound page. The data in these pages may > > overrun the hardware page while s

Re: [PATCH] xen-netfront: Remove BUGs on paged skb data which crosses a page boundary

2014-11-26 Thread David Miller
From: Seth Forshee Date: Tue, 25 Nov 2014 20:28:24 -0600 > These BUGs can be erroneously triggered by frags which refer to > tail pages within a compound page. The data in these pages may > overrun the hardware page while still being contained within the > compound page, but since compound_order(

[PATCH] xen-netfront: Remove BUGs on paged skb data which crosses a page boundary

2014-11-25 Thread Seth Forshee
These BUGs can be erroneously triggered by frags which refer to tail pages within a compound page. The data in these pages may overrun the hardware page while still being contained within the compound page, but since compound_order() evaluates to 0 for tail pages the assertion fails. The code alrea