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KVM does not have separate ASIDs for L1 and L2; either the nested hypervisor and nested guests share a single ASID, or on older processor the ASID is used only to implement TLB flushing. Either way, ASIDs are handled at the VM level. In preparation for having different VMCBs passed to VMLOAD/VMRUN/VMSAVE for L1 and L2, store the current ASID to struct vcpu_svm and only move it to the VMCB in svm_vcpu_run. This way, TLB flushes can be applied no matter which VMCB will be active during the next svm_vcpu_run. Signed-off-by: Cathy Avery <cavery@redhat.com> Message-Id: <20201011184818.3609-2-cavery@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> |
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| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| 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.