Re: [PATCH/RESEND] irqchip: gic: Don't complain in gic_get_cpumask() if UP system

From: Jason Cooper
Date: Sat Mar 14 2015 - 21:52:07 EST


On Wed, Mar 11, 2015 at 11:21:31PM -0700, Stephen Boyd wrote:
> In a uniprocessor implementation the interrupt processor targets
> registers are read-as-zero/write-ignored (RAZ/WI). Unfortunately
> gic_get_cpumask() will print a critical message saying
>
> GIC CPU mask not found - kernel will fail to boot.
>
> if these registers all read as zero, but there won't actually be
> a problem on uniprocessor systems and the kernel will boot just
> fine. Skip this check if we're running a UP kernel or if we
> detect that the hardware only supports a single processor.
>
> Acked-by: Nicolas Pitre <nico@xxxxxxxxxx>
> Acked-by: Felipe Balbi <balbi@xxxxxx>
> Acked-by: Nishanth Menon <nm@xxxxxx>
> Acked-by: Stefan Agner <stefan@xxxxxxxx>
> Cc: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx>
> Signed-off-by: Stephen Boyd <sboyd@xxxxxxxxxxxxxx>
> ---
>
> Picked up acks from the list
>
> drivers/irqchip/irq-gic.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)

Applied to irqchip/core

thx,

Jason.
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