From mboxrd@z Thu Jan 1 00:00:00 1970 From: tglx@linutronix.de (Thomas Gleixner) Date: Sat, 15 Apr 2017 11:54:50 +0200 (CEST) Subject: [PATCH 06/38] Annotate hardware config module parameters in drivers/clocksource/ In-Reply-To: <15283.1492235470@warthog.procyon.org.uk> References: <149141141298.29162.5612793122429261720.stgit@warthog.procyon.org.uk> <149141145858.29162.13072730133817038218.stgit@warthog.procyon.org.uk> <12228.1492210765@warthog.procyon.org.uk> <15283.1492235470@warthog.procyon.org.uk> Message-ID: To: linux-security-module@vger.kernel.org List-Id: linux-security-module.vger.kernel.org On Sat, 15 Apr 2017, David Howells wrote: > Thomas Gleixner wrote: > > > > Btw, is it possible to use IRQ grants to prevent a device that has limited > > > IRQ options from being drivable? > > > > What do you mean with 'IRQ grants' ? > > request_irq(). I still can't parse the sentence above. If request_irq() fails the device initialization fails. If you request the wrong irq then request_irq() might succeed but the device won't work. Thanks, tglx -- To unsubscribe from this list: send the line "unsubscribe linux-security-module" in the body of a message to majordomo at vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html