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Re: [PATCH v1 03/14] xen/pci: solve compilation error on ARM with ACPI && HAS_PCI
- To: Jan Beulich <jbeulich@xxxxxxxx>
- From: Rahul Singh <Rahul.Singh@xxxxxxx>
- Date: Fri, 20 Aug 2021 11:41:04 +0000
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- Cc: Bertrand Marquis <Bertrand.Marquis@xxxxxxx>, Paul Durrant <paul@xxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
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- Thread-topic: [PATCH v1 03/14] xen/pci: solve compilation error on ARM with ACPI && HAS_PCI
Hi Jan
> On 20 Aug 2021, at 8:06 am, Jan Beulich <jbeulich@xxxxxxxx> wrote:
>
> On 19.08.2021 14:02, Rahul Singh wrote:
>> Compilation error is observed when ACPI and HAS_PCI is enabled for ARM
>> architecture. Move the code under CONFIG_X86 flag to gate the code for
>> ARM.
>
> Please give at least one example of what it is that fails to compile.
> What an appropriate action is depends on the nature of the error(s),
> and from looking at the enclosed code I cannot easily see what it
> might be that breaks for Arm.
I am observing below error when enabled ACPI && HAS_PCI for ARM.
prelink.o: In function `pcie_aer_get_firmware_first’:
/xen/drivers/passthrough/pci.c:1251: undefined reference to `apei_hest_parse'
aarch64-linux-gnu-ld:
/home/rahsin01/work/xen/pci-passthrough-upstream/xen/xen/.xen-syms.0: hidden
symbol `apei_hest_parse' isn't defined
I found that apei/ is only enabled for x86 and pcie_aer_get_firmware_first() is
only called from x86 code.
obj-$(CONFIG_X86) += apei/
I am not sure whether we need this code for ARM architecture
that is why I gate the code for ARM via CONFIG_X86
>
> And as suggested by Julien for the earlier patch - you will want to
> re-order things such that compilation doesn't "break" in the first
> place. Title and description would then want adjusting accordingly.
Let me reorder the patch series in next version.
Regards,
Rahul
>
> Jan
>
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