linux-kernel - Re: [PATCH v2] powerpc: iommu: fix build when neither PCI or IBMVIO is set

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Date:   Sun, 11 Apr 2021 00:28:58 +1000
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     linux-kernel@...r.kernel.org, Randy Dunlap <rdunlap@...radead.org>
Cc:     kernel test robot <lkp@...el.com>,
        Anton Blanchard <anton@...ba.org>,
        linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH v2] powerpc: iommu: fix build when neither PCI or IBMVIO is set

On Sun, 4 Apr 2021 12:26:23 -0700, Randy Dunlap wrote:
> When neither CONFIG_PCI nor CONFIG_IBMVIO is set/enabled, iommu.c has a
> build error. The fault injection code is not useful in that kernel config,
> so make the FAIL_IOMMU option depend on PCI || IBMVIO.
> 
> Prevents this build error (warning escalated to error):
> ../arch/powerpc/kernel/iommu.c:178:30: error: 'fail_iommu_bus_notifier' defined but not used [-Werror=unused-variable]
>   178 | static struct notifier_block fail_iommu_bus_notifier = {

Applied to powerpc/next.

[1/1] powerpc: iommu: fix build when neither PCI or IBMVIO is set
      https://git.kernel.org/powerpc/c/b27dadecdf9102838331b9a0b41ffc1cfe288154

cheers