linux-kernel - Re: [PATCH v3] PCI: endpoint: pci-epf-test: Limit PCIe BAR size for fixed BARs

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] [day] [month] [year] [list]

Message-Id: <175733467033.10254.12972405823164212308.b4-ty@kernel.org>
Date: Mon, 08 Sep 2025 18:01:10 +0530
From: Manivannan Sadhasivam <mani@...nel.org>
To: linux-pci@...r.kernel.org, 
 Marek Vasut <marek.vasut+renesas@...lbox.org>
Cc: Niklas Cassel <cassel@...nel.org>, 
 Krzysztof Wilczyński <kwilczynski@...nel.org>, 
 Bjorn Helgaas <bhelgaas@...gle.com>, Damien Le Moal <dlemoal@...nel.org>, 
 Frank Li <Frank.Li@....com>, Jerome Brunet <jbrunet@...libre.com>, 
 Kishon Vijay Abraham I <kishon@...nel.org>, 
 Wang Jiang <jiangwang@...inos.cn>, linux-kernel@...r.kernel.org, 
 linux-renesas-soc@...r.kernel.org
Subject: Re: [PATCH v3] PCI: endpoint: pci-epf-test: Limit PCIe BAR size
 for fixed BARs


On Fri, 05 Sep 2025 20:42:10 +0200, Marek Vasut wrote:
> Currently, the test allocates BAR sizes according to fixed table
> bar_size[] = { 512, 512, 1024, 16384, 131072, 1048576 } . This
> does not work with controllers which have fixed size BARs that
> is smaller than the requested BAR size. One such controller is
> Renesas R-Car V4H PCIe controller, which has BAR4 size limited
> to 256 Bytes, which is much less than 131072 currently requested
> by this test. a lot of controllers drivers in-tree have fixed
> size BARs, and they do work perfectly fine, but it is only
> because their fixed size is larger than the size requested
> by pci-epf-test.c
> 
> [...]

Applied, thanks!

[1/1] PCI: endpoint: pci-epf-test: Limit PCIe BAR size for fixed BARs
      commit: db4291ba733d857f2326db88c5c41ad6072350e5

Best regards,
-- 
Manivannan Sadhasivam <mani@...nel.org>