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321ef62b0c
Check for a Requested Virtual Interrupt, i.e. a virtual interrupt that is pending delivery, in vmx_has_nested_events() and drop the one-off kvm_x86_ops.guest_apic_has_interrupt() hook. In addition to dropping a superfluous hook, this fixes a bug where KVM would incorrectly treat virtual interrupts _for L2_ as always enabled due to kvm_arch_interrupt_allowed(), by way of vmx_interrupt_blocked(), treating IRQs as enabled if L2 is active and vmcs12 is configured to exit on IRQs, i.e. KVM would treat a virtual interrupt for L2 as a valid wake event based on L1's IRQ blocking status. Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20240607172609.3205077-6-seanjc@google.com Signed-off-by: Sean Christopherson <seanjc@google.com> |
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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 reStructuredText 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.