linux-kernel - Re: [RFC][PATCH] iommu/dma: Do not call swiotlb tracepoint when not defined

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 for Android: free password hash cracker in your pocket

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

Message-ID: <aEj3cmuigHRMB5H6@infradead.org>
Date: Tue, 10 Jun 2025 20:26:42 -0700
From: Christoph Hellwig <hch@...radead.org>
To: Steven Rostedt <rostedt@...dmis.org>
Cc: LKML <linux-kernel@...r.kernel.org>,
	Robin Murphy <robin.murphy@....com>, Joerg Roedel <joro@...tes.org>,
	Will Deacon <will@...nel.org>, iommu@...ts.linux.dev
Subject: Re: [RFC][PATCH] iommu/dma: Do not call swiotlb tracepoint when not
 defined

On Tue, Jun 10, 2025 at 08:24:57PM -0400, Steven Rostedt wrote:
> Hopefully someone else can make a proper patch. I will be pushing my work
> to linux-next during this cycle.

Just move the trace point into swiotlb_tbl_map_single.

Note that the current callers can't agree if they want to trace the
physical or dma address, so that'll force standardize that as well.