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91f7d2dbf9
The #ifdef check around the definition doesn't match the one around the
declaration, leading to a link failure when CONFIG_XEN_DOM0 is enabled
but CONFIG_XEN_PV_DOM0 is not:
x86_64-linux-ld: arch/x86/kernel/apic/msi.o: in function `arch_restore_msi_irqs':
msi.c:(.text+0x29a): undefined reference to `xen_initdom_restore_msi'
Change the declaration to use the same check that was already present
around the function definition.
Fixes: ae72f31567 ("PCI/MSI: Make arch_restore_msi_irqs() less horrible.")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20211215140209.451379-1-arnd@kernel.org
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.