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Message-ID: <46002989.5000609@ru.mvista.com>
Date: Tue, 20 Mar 2007 21:35:53 +0300
From: Sergei Shtylyov <sshtylyov@...mvista.com>
To: Atsushi Nemoto <anemo@....ocn.ne.jp>
Cc: dsaxena@...xity.net, netdev@...r.kernel.org, ralf@...ux-mips.org,
jeff@...zik.org, linux-mips@...ux-mips.org, mlachwani@...sta.com
Subject: Re: [PATCH] Netpoll support for Sibyte MAC
Hello.
Atsushi Nemoto wrote:
>>NETPOLL support for Sibyte MAC
>>Signed-off-by: Manish Lachwani <mlachwani@...sta.com>
>>Signed-off-by: Deepak Saxena <dsaxena@...sta.com>
> If you added NETPOLL support, do not forget to ensure hard_start_xmit
> routine callable from interrupt context (or irq disabled).
> See commit bce305f4fe779f29d99d414685243f5da0803254 for example.
You're absolutely right: this driver is very likely to blow up the caller
when called with interrupts disabled -- it uses spin_unlock_irq() there! This
*must* be fixed.
> ---
> Atsushi Nemoto
WBR, Sergei
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