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commit637543a8d6upstream. Current logic incorrectly uses the enum ioapic_irq_destination_types to check the posted interrupt destination types. However, the value was set using APIC_DM_XXX macros, which are left-shifted by 8 bits. Fixes by using the APIC_DM_FIXED and APIC_DM_LOWEST instead. Fixes: (fdcf756213'KVM: x86: Disable posted interrupts for non-standard IRQs delivery modes') Cc: Alexander Graf <graf@amazon.com> Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com> Message-Id: <1586239989-58305-1-git-send-email-suravee.suthikulpanit@amd.com> Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com> Tested-by: Maxim Levitsky <mlevitsk@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.