linux-kernel - Re: [RFC part2 PATCH 8/9] ACPI / ARM64: Update acpi_register_gsi to register with the core IRQ subsystem

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: <201312110623.04341.arnd@arndb.de>
Date:	Wed, 11 Dec 2013 06:23:04 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	linux-arm-kernel@...ts.infradead.org
Cc:	Grant Likely <grant.likely@...aro.org>,
	Hanjun Guo <hanjun.guo@...aro.org>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>,
	"Russell King - ARM Linux" <linux@....linux.org.uk>,
	Mark Rutland <mark.rutland@....com>,
	Matthew Garrett <mjg59@...f.ucam.org>,
	linaro-kernel@...ts.linaro.org, patches@...aro.org,
	linaro-acpi@...ts.linaro.org, linux-kernel@...r.kernel.org,
	Rob Herring <rob.herring@...xeda.com>,
	linux-acpi@...r.kernel.org,
	Amit Daniel Kachhap <amit.daniel@...sung.com>,
	Olof Johansson <olof@...om.net>,
	Bjorn Helgaas <bhelgaas@...gle.com>
Subject: Re: [RFC part2 PATCH 8/9] ACPI / ARM64: Update acpi_register_gsi to register with the core IRQ subsystem

On Tuesday 10 December 2013, Grant Likely wrote:
> > --- a/drivers/acpi/plat/arm-core.c
> > +++ b/drivers/acpi/plat/arm-core.c
> > @@ -90,7 +90,7 @@ enum acpi_irq_model_id acpi_irq_model = ACPI_IRQ_MODEL_GIC;
> >  
> >  static unsigned int gsi_to_irq(unsigned int gsi)
> >  {
> > -     int irq = irq_create_mapping(NULL, gsi);
> > +     int irq = irq_find_mapping(NULL, gsi);
> 
> I suspect this will break FDT users that depend on the old behaviour.

I think not, given this is only in drivers/acpi and gets added in one
of the prior patches of the same series.

	Arnd
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/