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3600ceb0df
First of all apic_noop can't be probed because it's not registered. So there is no point for implementing a probe callback. The machine is rightfully to die when that is invoked. Remove the gunk and tidy up the other space consuming dummy callbacks. This gunk should simply die. Nothing should ever invoke APIC callbacks once this is installed, But that's a differrent story for another round of cleanups. The comment on top of this file which was intentionally left in place tells exactly why this is needed: voodoo programming. In fact the kernel of today should just outright refuse to boot on a system with no (functional) local APIC. That would spare tons of #ifdeffery and other nonsense. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Tested-by: Michael Kelley <mikelley@microsoft.com> Tested-by: Sohil Mehta <sohil.mehta@intel.com> Tested-by: Juergen Gross <jgross@suse.com> # Xen PV (dom0 and unpriv. guest) |
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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.