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bdc3ad9251
commit1dc9f1a66eupstream. When ACPI is not enabled, cpuid_topo->llc_id = cpu_topo->llc_id = -1, which will set llc_sibling 0xff(...), this is misleading. Don't set llc_sibling(default 0) if we don't know the cache topology. Reviewed-by: Sudeep Holla <sudeep.holla@arm.com> Signed-off-by: Wang Qing <wangqing@vivo.com> Fixes:37c3ec2d81("arm64: topology: divorce MC scheduling domain from core_siblings") Cc: stable <stable@vger.kernel.org> Link: https://lore.kernel.org/r/1649644580-54626-1-git-send-email-wangqing@vivo.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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.