grub-devel
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Mysterious memory corruption bug


From: Bean
Subject: Re: Mysterious memory corruption bug
Date: Wed, 2 May 2012 04:09:42 +0800

On Wed, May 2, 2012 at 4:06 AM, Vladimir 'φ-coder/phcoder' Serbinenko
<address@hidden> wrote:
> On 01.05.2012 22:02, Bean wrote:
>> Hi,
>>
>> Yeah, I have a patch that save the buffer for later use when there is
>> no data, it can solve the unnecessary alloc/free loop.
> No, what I mean: allocate a buffer once for every card and then do
> send/recv with only this buffer and copy to/from it when necessary. This
> way if the card DMAs the packet to the same buffer it won't corrupt
> anything.

Hi,

It's not ok with fragmentation, since there could be multiple ethernet
packet for an ip packet, we need to store the buffer for assembling.

-- 
Best wishes
Bean



reply via email to

[Prev in Thread] Current Thread [Next in Thread]