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676f819c3e
Function kvm_reset_dirty_gfn may be called with parameters cur_slot / cur_offset / mask are all zero, it does not represent real dirty page. It is not necessary to clear dirty page in this condition. Also return value of macro __fls() is undefined if mask is zero which is called in funciton kvm_reset_dirty_gfn(). Here just return. Signed-off-by: Bibo Mao <maobibo@loongson.cn> Message-ID: <20240613122803.1031511-1-maobibo@loongson.cn> [Move the conditional inside kvm_reset_dirty_gfn; suggested by Sean Christopherson. - Paolo] Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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.