Paolo Bonzini f7589cca50 KVM: x86: cull apicv code when userspace irqchip is requested
Currently apicv_active can be true even if in-kernel LAPIC
emulation is disabled.  Avoid this by properly initializing
it in kvm_arch_vcpu_init, and then do not do anything to
deactivate APICv when it is actually not used

(Currently APICv is only deactivated by SynIC code that in turn
is only reachable when in-kernel LAPIC is in use.  However, it is
cleaner if kvm_vcpu_deactivate_apicv avoids relying on this.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-02-20 22:48:21 +01:00
2019-02-09 10:26:09 -08:00
2019-02-10 10:39:37 -08:00
2019-02-09 10:26:09 -08:00
2018-10-31 08:54:14 -07:00
2019-01-21 13:07:03 +13:00
2019-02-07 08:33:56 +00:00
2019-02-20 22:48:20 +01:00
2019-01-05 12:48:25 -08:00
2019-01-04 14:27:09 -07:00
2019-02-10 14:42:20 -08:00

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.
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