linux-kernel - Re: [PATCH 1/3] perf/x86/intel/uncore: remove hard code for Node ID mapping location

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: <CACbG309FiSfj9w7GR3sbM01YDJ8HNC+wepDuftMyHMAZgAtzeg@mail.gmail.com>
Date:	Sat, 13 Aug 2016 09:01:24 -0500
From:	Nilay Vaish <nilayvaish@...il.com>
To:	Kan Liang <kan.liang@...el.com>
Cc:	peterz@...radead.org, tglx@...utronix.de, mingo@...hat.com,
	Linux Kernel list <linux-kernel@...r.kernel.org>,
	eranian@...gle.com, Andi Kleen <andi@...stfloor.org>
Subject: Re: [PATCH 1/3] perf/x86/intel/uncore: remove hard code for Node ID
 mapping location

On 12 August 2016 at 16:30, Kan Liang <kan.liang@...el.com> wrote:
> From: Kan Liang <kan.liang@...el.com>
>
> The method to build PCI bus to socket mapping is similar among
> platforms. However, the PCI location where store Node ID mapping could

I think we should replace "where store" with "which store".

> vary for different platforms. For example, the Node ID mapping address
> on Skylake server is different as the previous platform. Also, to build

I think we should change "as the previous platform" to "from the
previous platforms".

> the mapping for the PCI bus without UBOX, it has to start from bus 0 on
> Skylake server.
>
> This patch removes the hard code in current implementation, and adds
> three parameters for snbep_pci2phy_map_init. So the Node ID mapping
> address and bus searching direction could be configured according to
> different platforms.
>
> Signed-off-by: Kan Liang <kan.liang@...el.com>
> ---
>  arch/x86/events/intel/uncore_snbep.c | 37 ++++++++++++++++++++++++------------
>  1 file changed, 25 insertions(+), 12 deletions(-)
>

Kan,  I have suggested a couple of changes to patch's description
above.  The main content of the patch seems good to me.


--
Nilay