netdev - Re: [PATCH] netpoll: use non-BH variant of RCU

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]

Message-Id: <20100903.083409.52185570.davem@davemloft.net>
Date:	Fri, 03 Sep 2010 08:34:09 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	paulmck@...ux.vnet.ibm.com
Cc:	herbert@...dor.apana.org.au, linville@...driver.com,
	netdev@...r.kernel.org, mingo@...e.hu,
	linux-kernel@...r.kernel.org, peterz@...radead.org
Subject: Re: [PATCH] netpoll: use non-BH variant of RCU

From: "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Date: Thu, 2 Sep 2010 10:26:25 -0700

>     softirq: adjust error check
>     
>     The error check for _local_bh_enable_ip() warns on both in_irq() and
>     irqs_disabled().  The check for in_irq() is necessary, because a hardirq
>     might well have interrupted bh execution, in which case it is simply
>     not possible for the hardirq to exclude the bh that got interrupted.
>     
>     However, it is perfectly reasonable to disable bh while hardirqs are
>     disabled, and this in fact promotes common code.  This commit therefore
>     removes the irqs_disabled() check.
>     
>     Signed-off-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>

Acked-by: David S. Miller <davem@...emloft.net>
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html