From mboxrd@z Thu Jan 1 00:00:00 1970 From: Geert Uytterhoeven Subject: [PATCH 0/2] swiotlb: Rate-limit printing and 64-bit memory debugging Date: Mon, 31 Oct 2016 16:45:02 +0100 Message-ID: <1477928704-10611-1-git-send-email-geert+renesas@glider.be> Return-path: Sender: linux-kernel-owner@vger.kernel.org To: Konrad Rzeszutek Wilk , Jonathan Corbet Cc: Magnus Damm , linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, iommu@lists.linux-foundation.org, linux-renesas-soc@vger.kernel.org, Geert Uytterhoeven List-Id: iommu@lists.linux-foundation.org Hi Konrad, Jon, This patch series contains two improvements for the SWIOTLB subsystem. The first patch adds rate-limiting to an error message, to avoid flooding the kernel log. The second patch adds a kernel command line option to aid debugging when developing support for DMA to memory outside the 32-bit address space. Thanks for your comments! Geert Uytterhoeven (2): swiotlb: Rate-limit printing when running out of SW-IOMMU space swiotlb: Add swiotlb=nobounce debug option Documentation/kernel-parameters.txt | 3 ++- lib/swiotlb.c | 23 +++++++++++++++++++---- 2 files changed, 21 insertions(+), 5 deletions(-) -- 1.9.1 Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds