Messages in this thread | | | Date | Wed, 26 Nov 2014 12:28:12 -0500 (EST) | Subject | Re: [PATCH] xen-netfront: Remove BUGs on paged skb data which crosses a page boundary | From | David Miller <> |
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From: Seth Forshee <seth.forshee@canonical.com> 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() evaluates to 0 for tail > pages the assertion fails. The code already iterates through > subsequent pages correctly in this scenario, so the BUGs are > unnecessary and can be removed. > > Fixes: f36c374782e4 ("xen/netfront: handle compound page fragments on transmit") > Cc: <stable@vger.kernel.org> # 3.7+ > Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Can I get some Xen developer reviews?
Thanks.
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