netdev - Re: [PATCH 1/4] MIPS: lantiq: Do not enable IRQs in dma open

lists.openwall.net		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 linux-cve-announce 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:   Mon, 23 Jul 2018 17:19:23 -0700
From:   Paul Burton <paul.burton@...s.com>
To:     Hauke Mehrtens <hauke@...ke-m.de>
Cc:     davem@...emloft.net, netdev@...r.kernel.org, andrew@...n.ch,
        vivien.didelot@...oirfairelinux.com, f.fainelli@...il.com,
        john@...ozen.org, linux-mips@...ux-mips.org, dev@...sin.me,
        hauke.mehrtens@...el.com
Subject: Re: [PATCH 1/4] MIPS: lantiq: Do not enable IRQs in dma open

Hi Hauke,

On Sat, Jul 21, 2018 at 09:13:55PM +0200, Hauke Mehrtens wrote:
> When a DMA channel is opened the IRQ should not get activated
> automatically, this allows it to pull data out manually without the help
> of interrupts. This is needed for a workaround in the vrx200 Ethernet
> driver.
> 
> Signed-off-by: Hauke Mehrtens <hauke@...ke-m.de>
> ---
>  arch/mips/lantiq/xway/dma.c        | 1 -
>  drivers/net/ethernet/lantiq_etop.c | 1 +
>  2 files changed, 1 insertion(+), 1 deletion(-)

If you'd like this to go via the netdev tree to keep it with the rest of
the series:

    Acked-by: Paul Burton <paul.burton@...s.com>

Though I'd be happier if we didn't have DMA code seemingly used only by
an ethernet driver in arch/mips/ :)

Thanks,
    Paul