linux-kernel - Re: [PATCH 07/15] irqchip: mips-gic: Use HW IDs for VPE_OTHER

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20160218014740.GP5183@io.lakedaemon.net>
Date:	Thu, 18 Feb 2016 01:47:40 +0000
From:	Jason Cooper <jason@...edaemon.net>
To:	Paul Burton <paul.burton@...tec.com>
Cc:	linux-mips@...ux-mips.org, Ralf Baechle <ralf@...ux-mips.org>,
	Marc Zyngier <marc.zyngier@....com>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 07/15] irqchip: mips-gic: Use HW IDs for VPE_OTHER_ADDR

On Wed, Feb 03, 2016 at 03:15:27AM +0000, Paul Burton wrote:
> The Linux CPU number doesn't necessarily match up with the ID used for a
> VP by hardware. Convert the CPU number to the HW ID using mips_cm_vp_id
> when writing to the VP(E)_OTHER_ADDR register in order to ensure that we
> correctly access registers for the VPs of secondary cores. This most
> notably affects systems using CM3, such as those based around I6400.
> 
> Signed-off-by: Paul Burton <paul.burton@...tec.com>
> ---
> 
>  drivers/irqchip/irq-mips-gic.c | 14 +++++++++-----
>  1 file changed, 9 insertions(+), 5 deletions(-)

Note: standard subject line for irqchip is 'irqchip/mips-gic: [A-Z]...'
with that small change,

Acked-by: Jason Cooper <jason@...edaemon.net>

thx,

Jason.