From: Bjorn Helgaas <helgaas@kernel.org>
To: Manivannan Sadhasivam <manivannan.sadhasivam@oss.qualcomm.com>
Cc: "Marek Vasut" <marek.vasut+renesas@gmail.com>,
"Yoshihiro Shimoda" <yoshihiro.shimoda.uh@renesas.com>,
"Lorenzo Pieralisi" <lpieralisi@kernel.org>,
"Krzysztof Wilczyński" <kwilczynski@kernel.org>,
"Rob Herring" <robh@kernel.org>,
"Bjorn Helgaas" <bhelgaas@google.com>,
"Nathan Chancellor" <nathan@kernel.org>,
"Geert Uytterhoeven" <geert+renesas@glider.be>,
"Magnus Damm" <magnus.damm@gmail.com>,
"Kees Cook" <kees@kernel.org>,
"Peter Zijlstra" <peterz@infradead.org>,
linux-pci@vger.kernel.org, linux-renesas-soc@vger.kernel.org,
linux-kernel@vger.kernel.org, llvm@lists.linux.dev,
"kernel test robot" <lkp@intel.com>
Subject: Re: [PATCH v2] PCI: rcar-host: Add OF Kconfig dependency to avoid objtool no-cfi warning
Date: Fri, 26 Dec 2025 17:46:51 -0600 [thread overview]
Message-ID: <20251226234651.GA4148926@bhelgaas> (raw)
In-Reply-To: <176603538085.6580.3625113457403612097.b4-ty@kernel.org>
On Thu, Dec 18, 2025 at 10:53:00AM +0530, Manivannan Sadhasivam wrote:
> On Tue, 14 Oct 2025 11:20:27 -0700, Nathan Chancellor wrote:
> > After commit 894af4a1cde6 ("objtool: Validate kCFI calls"), compile
> > testing pcie-rcar-host.c with CONFIG_FINEIBT=y and CONFIG_OF=n results
> > in a no-cfi objtool warning in rcar_pcie_probe():
> >
> > $ cat allno.config
> > CONFIG_CFI=y
> > CONFIG_COMPILE_TEST=y
> > CONFIG_CPU_MITIGATIONS=y
> > CONFIG_GENERIC_PHY=y
> > CONFIG_MITIGATION_RETPOLINE=y
> > CONFIG_MODULES=y
> > CONFIG_PCI=y
> > CONFIG_PCI_MSI=y
> > CONFIG_PCIE_RCAR_HOST=y
> > CONFIG_X86_KERNEL_IBT=y
> >
> > [...]
>
> Applied, thanks!
>
> [1/1] PCI: rcar-host: Add OF Kconfig dependency to avoid objtool no-cfi warning
> commit: 57833f84f6f5967134c9c1119289f7acdd1c93e9
Is this v6.19 material? The patch is old, 894af4a1cde6 appeared in
v6.18, and it's not really a regression, but it only affects
PCIE_RCAR_HOST and it looks like it papers over a headache for static
analysis.
Bjorn
prev parent reply other threads:[~2025-12-26 23:46 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-14 18:20 [PATCH v2] PCI: rcar-host: Add OF Kconfig dependency to avoid objtool no-cfi warning Nathan Chancellor
2025-10-14 19:13 ` Bjorn Helgaas
2025-10-14 19:47 ` Peter Zijlstra
2025-10-14 22:25 ` Nathan Chancellor
2025-10-27 12:26 ` Manivannan Sadhasivam
2025-12-18 5:23 ` Manivannan Sadhasivam
2025-12-26 23:46 ` Bjorn Helgaas [this message]
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