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234a0f202a
The removal of the old-style irq entry broke obscure NOMMU configurations on machines that have an MMU: ld.lld: error: undefined symbol: generic_handle_arch_irq referenced by kernel/entry-armv.o:(__irq_svc) in archive arch/arm/built-in.a A follow-up patch to convert nvic to the generic_handle_arch_irq() could have fixed this by removing the Kconfig conditional, but did it differently. Change the Kconfig logic so ARM machines now unconditionally enable the feature. I have also submitted a patch to remove support for the configurations that broke, but fixing the regression first is a trivial and correct change. Reported-by: kernel test robot <lkp@intel.com> Fixes:54f481a230("ARM: remove old-style irq entry") Fixes:52d2408717("irqchip: nvic: Use GENERIC_IRQ_MULTI_HANDLER") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
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.