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 PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Mon, 19 Oct 2020 16:58:45 -0700 From: Jakub Kicinski <kuba@...nel.org> To: Heiner Kallweit <hkallweit1@...il.com> Cc: David Miller <davem@...emloft.net>, Realtek linux nic maintainers <nic_swsd@...ltek.com>, "netdev@...r.kernel.org" <netdev@...r.kernel.org> Subject: Re: [PATCH net] r8169: fix operation under forced interrupt threading On Sun, 18 Oct 2020 18:38:59 +0200 Heiner Kallweit wrote: > For several network drivers it was reported that using > __napi_schedule_irqoff() is unsafe with forced threading. One way to > fix this is switching back to __napi_schedule, but then we lose the > benefit of the irqoff version in general. As stated by Eric it doesn't > make sense to make the minimal hard irq handlers in drivers using NAPI > a thread. Therefore ensure that the hard irq handler is never > thread-ified. > > Fixes: 9a899a35b0d6 ("r8169: switch to napi_schedule_irqoff") > Link: https://lkml.org/lkml/2020/10/18/19 > Signed-off-by: Heiner Kallweit <hkallweit1@...il.com> Applied, thank you!
Powered by blists - more mailing lists