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58da926caa
Massage the error message for the sanity check on SPTEs when freeing a shadow page to be more verbose, and to print out all shadow-present SPTEs, not just the first SPTE encountered. Printing all SPTEs can be quite valuable for debug, e.g. highlights whether the leak is a one-off or widepsread, or possibly the result of memory corruption (something else in the kernel stomping on KVM's SPTEs). Opportunistically move the MMU_WARN_ON() into the helper itself, which will allow a future cleanup to use BUILD_BUG_ON_INVALID() as the stub for MMU_WARN_ON(). BUILD_BUG_ON_INVALID() works as intended and results in the compiler complaining about is_empty_shadow_page() not being declared. Link: https://lore.kernel.org/r/20230729004722.1056172-6-seanjc@google.com Signed-off-by: Sean Christopherson <seanjc@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> |
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arch | ||
block | ||
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 | ||
.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 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.