Re: [RFC PATCH 4/5] arm64: smp: move the pen to a header file

From: Kumar Gala
Date: Tue Apr 14 2015 - 15:41:11 EST

> On Apr 14, 2015, at 10:59 AM, Mark Rutland <mark.rutland@xxxxxxx> wrote:
> On Thu, Apr 09, 2015 at 06:37:10PM +0100, Kumar Gala wrote:
>> From: Abhimanyu Kapur <abhimany@xxxxxxxxxxxxxx>
>> Move the secondary_pen_release variable and the secondary_holding_pen
>> entry function to asm/smp_plat.h so that the other cpu ops implementations
>> can share them.
> If anything, this should all be moved into smp_spin_table.c, and made
> static.
> We made a mistake with the pen (and allowing multiple CPUs to enter the
> kernel at once). That mistake shouldn't be spread further.
> Mark.

Yeah, it appears I can drop this and just set the secondary cores to enter secondary_entry.

- k

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