linux-kernel - Re: [PATCH v2 4/6] perf/amd/iommu: Introduce data structure for tracking prev count.

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: <20160107122700.GF19149@8bytes.org>
Date:	Thu, 7 Jan 2016 13:27:00 +0100
From:	Joerg Roedel <joro@...tes.org>
To:	Suravee Suthikulpanit <Suravee.Suthikulpanit@....com>
Cc:	bp@...en8.de, peterz@...radead.org, mingo@...hat.com,
	acme@...nel.org, linux-kernel@...r.kernel.org,
	iommu@...ts.linux-foundation.org
Subject: Re: [PATCH v2 4/6] perf/amd/iommu: Introduce data structure for
 tracking prev count.

On Fri, Jan 01, 2016 at 12:13:38PM -0600, Suravee Suthikulpanit wrote:
> To enable AMD IOMMU PMU to support multiple IOMMUs, this patch introduces
> a new data structure, perf_amd_iommu.prev_cnts, to track previous counts
> of IOMMU performance counters in multi-IOMMU environment.
> 
> Also, this patch allocates perf_iommu_cnts for internal use
> when manages counters.

>From this commit message I don't really get what perf_amd_iommu.prev_cnts
and perf_iommu_cnts will be used for. Can you please add this to the
message?

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/