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Linux kernel source tree
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GCC 12.3.0 complains about a potential NULL pointer dereference in evmcs_load() as hv_get_vp_assist_page() can return NULL. In fact, this cannot happen because KVM verifies (hv_init_evmcs()) that every CPU has a valid VP assist page and aborts enabling the feature otherwise. CPU onlining path is also checked in vmx_hardware_enable(). To make the compiler happy and to future proof the code, add a KVM_BUG_ON() sentinel. It doesn't seem to be possible (and logical) to observe evmcs_load() happening without an active vCPU so it is presumed that kvm_get_running_vcpu() can't return NULL. No functional change intended. Reported-by: Mirsad Todorovac <mtodorovac69@gmail.com> Suggested-by: Sean Christopherson <seanjc@google.com> Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Link: https://lore.kernel.org/r/20240816130124.286226-1-vkuznets@redhat.com Signed-off-by: Sean Christopherson <seanjc@google.com> |
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| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| 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 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.