From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: Kernel API for SGI usage
Date: Wed, 23 Jan 2013 17:00:55 +0000 [thread overview]
Message-ID: <20130123170054.GS23505@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <CANudz+sMppk5UZK+Vf_hWZYZzPJMunhPJQs0qbu1-dPy9WRikA@mail.gmail.com>
On Thu, Jan 24, 2013 at 12:51:50AM +0800, loody wrote:
> hi Russell:
>
> 2013/1/24 Russell King - ARM Linux <linux@arm.linux.org.uk>:
> > On Thu, Jan 24, 2013 at 12:39:54AM +0800, loody wrote:
> >> hi all:
> >> The other cores on my Soc need SGI to be waken up from reset state.
> >> Could any one header and functions I need to include and used for?
> >
> > That's almost what every platform does. Plenty of examples in the
> > platform SMP code for you to look at.
> Nice to meet you
> Would you please show me a hint or function name for reference?
>
> Appreciate your help, @_@
It even comes with comments:
/*
* Send the secondary CPU a soft interrupt, thereby causing
* the boot monitor to read the system wide flags register,
* and branch to the address found there.
*/
gic_raise_softirq(cpumask_of(cpu), 0);
prev parent reply other threads:[~2013-01-23 17:00 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-23 16:39 Kernel API for SGI usage loody
2013-01-23 16:46 ` Russell King - ARM Linux
2013-01-23 16:51 ` loody
2013-01-23 17:00 ` Russell King - ARM Linux [this message]
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