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0de704d2d6
Attempt to set the to-be-queued exception to be both pending and injected _after_ KVM_CAP_SYNC_REGS's kvm_vcpu_ioctl_x86_set_vcpu_events() squashes the pending exception (if there's also an injected exception). Buggy KVM versions will eventually yell loudly about having impossible state when processing queued excpetions, e.g. WARNING: CPU: 0 PID: 1115 at arch/x86/kvm/x86.c:10095 kvm_check_and_inject_events+0x220/0x500 [kvm] arch/x86/kvm/x86.c:kvm_check_and_inject_events(): WARN_ON_ONCE(vcpu->arch.exception.injected && vcpu->arch.exception.pending); Signed-off-by: Michal Luczaj <mhal@rbox.co> Link: https://lore.kernel.org/r/20230728001606.2275586-3-mhal@rbox.co [sean: split to separate patch, massage changelog and comment] Signed-off-by: Sean Christopherson <seanjc@google.com> |
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| certs | ||
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| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
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| .clang-format | ||
| .cocciconfig | ||
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| README | ||
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.