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

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



> 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

-- 
Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

--
To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [Linux for Sparc]     [IETF Annouce]     [Security]     [Bugtraq]     [Linux MIPS]     [ECOS]     [Asterisk Internet PBX]     [Linux API]

  Powered by Linux