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
| ||
|
Date: Tue, 04 Mar 2014 19:26:16 -0500 (EST) From: David Miller <davem@...emloft.net> To: ebiederm@...ssion.com Cc: netdev@...r.kernel.org, xiyou.wangcong@...il.com, mpm@...enic.com, satyam.sharma@...il.com Subject: Re: [PATCH] netpoll: Don't call driver methods from interrupt context. From: ebiederm@...ssion.com (Eric W. Biederman) Date: Tue, 04 Mar 2014 16:03:43 -0800 > So I would like some clear guidance. Will you accept patches to make > it safe to call the napi poll routines from hard irq context, or should > we simply defer messages prented with netconsole in hard irq context > into another context where we can run the napi code? > > If there is not a clear way to fix the problems that crop up we should > just delete all of the netpoll code altogether, as it seems deadly in > it's current form. Clearly to make netconsole most useful we should synchronously emit log messages. Because what if the system hangs right after this event, but before we get back to a "safe" context. That's one bug that will be a billion times harder to diagnose if we defer. -- 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
Powered by blists - more mailing lists