From: Arnd Bergmann <arnd@arndb•de>
To: Michael Ellerman <mpe@ellerman•id.au>
Cc: linuxppc-dev@lists•ozlabs.org, linuxppc-dev@ozlabs•org, thuth@redhat•com
Subject: Re: [PATCH 1/6] powerpc/kconfig: Move NR_IRQS into "Kernel Options"
Date: Mon, 12 Oct 2015 13:50:47 +0200 [thread overview]
Message-ID: <5354986.Emc3ODSKdL@wuerfel> (raw)
In-Reply-To: <1444648065.31951.3.camel@ellerman.id.au>
On Monday 12 October 2015 22:07:45 Michael Ellerman wrote:
> Yeah, this builds and boots at least on pseries KVM.
>
> diff --git a/arch/powerpc/include/asm/irq.h b/arch/powerpc/include/asm/irq.h
> index e8e3a0a04eb0..35fba282b7f9 100644
> --- a/arch/powerpc/include/asm/irq.h
> +++ b/arch/powerpc/include/asm/irq.h
> @@ -23,11 +23,8 @@ extern atomic_t ppc_n_lost_interrupts;
> /* This number is used when no interrupt has been assigned */
> #define NO_IRQ (0)
>
> -/* Total number of virq in the platform */
> -#define NR_IRQS CONFIG_NR_IRQS
> -
> -/* Same thing, used by the generic IRQ code */
> #define NR_IRQS_LEGACY NUM_ISA_INTERRUPTS
> +#define NR_IRQS NR_IRQS_LEGACY
>
> extern irq_hw_number_t virq_to_hw(unsigned int virq);
>
This looks like the way it's intended. I've also checked that no powerpc
platform defines a static IRQ larger than NUM_ISA_INTERRUPTS, and only
two files do it at all (arch/powerpc/platforms/chrp/pegasos_eth.c and arch/powerpc/sysdev/rtc_cmos_setup.c).
Arnd
next prev parent reply other threads:[~2015-10-12 11:50 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-08 21:09 [PATCH 1/6] powerpc/kconfig: Move NR_IRQS into "Kernel Options" Michael Ellerman
2015-10-08 21:09 ` [PATCH 2/6] powerpc/kconfig: Move sysdev Kconfig later Michael Ellerman
2015-10-09 5:54 ` Thomas Huth
2015-10-08 21:09 ` [PATCH 3/6] powerpc/kconfig: Move bitness & endian options to the top Michael Ellerman
2015-10-08 21:09 ` [PATCH 4/6] powerpc/kconfig: Move SCOM_DEBUGFS into "Kernel Hacking" Michael Ellerman
2015-10-08 21:09 ` [PATCH 5/6] powerpc/kconfig: Move cpu options after platform options Michael Ellerman
2015-10-09 5:47 ` Thomas Huth
2015-10-12 21:47 ` Scott Wood
2015-10-13 0:11 ` Michael Ellerman
2015-10-08 21:09 ` [PATCH 6/6] powerpc/kconfig: Cell CPU options should depend on PPC_CELL Michael Ellerman
2015-10-09 5:48 ` Thomas Huth
2015-10-08 21:30 ` [PATCH 1/6] powerpc/kconfig: Move NR_IRQS into "Kernel Options" Arnd Bergmann
2015-10-12 10:00 ` Michael Ellerman
2015-10-12 10:30 ` Arnd Bergmann
2015-10-12 11:07 ` Michael Ellerman
2015-10-12 11:50 ` Arnd Bergmann [this message]
2015-10-13 0:28 ` Michael Ellerman
2015-10-13 12:07 ` Arnd Bergmann
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