Re: [PATCH 1/2] PCI: Do not use PCI ID macros in quirk names

[Bjorn Helgaas]

On Tue, Nov 12, 2013 at 1:40 AM, Michal Marek <mmarek@xxxxxxx> wrote:
> On 11.11.2013 14:40, Michal Marek wrote:
>> Pasting the verbatim PCI_(VENDOR|DEVICE)_* macros in the __pci_fixup_*
>> symbol names results in insanely long names such as
>>
>> __pci_fixup_resumePCI_VENDOR_ID_SERVERWORKSPCI_DEVICE_ID_SERVERWORKS_HT1000SBquirk_disable_broadcom_boot_interrupt
>>
>> When LTO adds its numeric suffix to such symbol, it overflows the
>> namebuf[KSYM_NAME_LEN] array. Use the line number instead to create
>
> "... the namebuf[KSYM_NAME_LEN] array in kernel/kallsyms.c."

What's LTO?  I guess it's Link Time Optimization?  Is there any
documentation about how it works or how to use it?

Bjorn
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