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, 18 Feb 2019 17:44:17 +0100 From: Bartosz Golaszewski <brgl@...ev.pl> To: Linus Walleij <linus.walleij@...aro.org>, Thomas Gleixner <tglx@...utronix.de>, Marc Zyngier <marc.zyngier@....com>, Uwe Kleine-König <u.kleine-koenig@...gutronix.de> Cc: "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Bartosz Golaszewski <bgolaszewski@...libre.com> Subject: Re: [PATCH v4 0/7] gpio: mockup: improve the user-space testing interface czw., 14 lut 2019 o 14:42 Bartosz Golaszewski <brgl@...ev.pl> napisał(a): > > From: Bartosz Golaszewski <bgolaszewski@...libre.com> > > Hi Marc, > > another try at the irq_sim stuff. This time I added a notifier chain to > irq_sim and made gpio-mockup register a notifier block. This way interested > users will get notified about a type config change. > > v1 -> v2: > - instead of providing the irq_sim_get_type() helper, move the irq type > logic into the simulator and provide a helper that allows users to specify > the type of the fired interrupt > > v2 -> v3: > - switch back to having irq_sim_type() and put the line state logic into the > GPIO testing module > > v3- > v4: > - drop irq_sim_get_type() and use a notifier chain instead so that any change > in type configuration can be pushed out to interested users > - change the locking mechanism in gpio-mockup to a spinlock as we can't take > a mutex when a hardirq-safe spinlock in irq_desc is being held when the > irq_set_type() callback is called > - refuse to set any other type than falling or rising edge in irq_set_config > > Bartosz Golaszewski (7): > irq/irq_sim: add a notifier chain > gpio: mockup: add locking > gpio: mockup: implement get_multiple() > gpio: mockup: don't create the debugfs link named after the label > gpio: mockup: change the type of 'offset' to unsigned int > gpio: mockup: change the signature of unlocked get/set helpers > gpio: mockup: rework debugfs interface > > drivers/gpio/gpio-mockup.c | 215 ++++++++++++++++++++++++++++++++----- > include/linux/irq_sim.h | 22 +++- > kernel/irq/irq_sim.c | 40 +++++++ > 3 files changed, 246 insertions(+), 31 deletions(-) > > -- > 2.20.1 > Since this really is overkill, I sent v5 in which I simple store the trigger type by calling irqd_set_trigger_type(). Superseded by v5. Bartosz
Powered by blists - more mailing lists