lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:   Thu, 30 Aug 2018 10:59:37 -0700
From:   Christoph Hellwig <>
To:     Ezequiel Garcia <>
        Laurent Pinchart <>,
        Tomasz Figa <>,
        "Matwey V . Kornilov" <>,
        Alan Stern <>,,
        Keiichi Watanabe <>
Subject: Re: [RFC 3/3] stk1160: Use non-coherent buffers for USB transfers

> +	dma_sync_single_for_cpu(&urb->dev->dev, urb->transfer_dma,
> +		urb->transfer_buffer_length, DMA_FROM_DEVICE);

You can't ue dma_sync_single_for_cpu on non-coherent dma buffers,
which is one of the major issues with them.

Powered by blists - more mailing lists