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c50be1c945
Rework __kvm_emulate_hypercall() into a macro so that completion of hypercalls that don't exit to userspace use direct function calls to the completion helper, i.e. don't trigger a retpoline when RETPOLINE=y. Opportunistically take the names of the input registers, as opposed to taking the input values, to preemptively dedup more of the calling code (TDX needs to use different registers). Use the direct GPR accessors to read values to avoid the pointless marking of the registers as available (KVM requires GPRs to always be available). Signed-off-by: Sean Christopherson <seanjc@google.com> Reviewed-by: Binbin Wu <binbin.wu@linux.intel.com> Reviewed-by: Kai Huang <kai.huang@intel.com> Message-ID: <20241128004344.4072099-7-seanjc@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> |
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| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
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| virt | ||
| .clang-format | ||
| .clippy.toml | ||
| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
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| .rustfmt.toml | ||
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| 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 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.