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The VCPU table consists of vPE entries, and its size provides the number of VPEs supported by GICv4 hardware. Unfortunately the maximum size of the VPE table is not discoverable like Device table. All VLPI commands limits the number of bits to 16 to hold VPEID, which is index into VCPU table. Don't apply DEVID bits for VCPU table instead assume maximum bits to 16. ITS log messages on QDF2400 without fix: allocated 524288 Devices (indirect, esz 8, psz 64K, shr 1) allocated 8192 Interrupt Collections (flat, esz 8, psz 64K, shr 1) Virtual CPUs Table too large, reduce ids 32->26 Virtual CPUs too large, reduce ITS pages 8192->256 allocated 2097152 Virtual CPUs (flat, esz 8, psz 64K, shr 1) ITS log messages on QDF2400 with fix: allocated 524288 Devices (indirect, esz 8, psz 64K, shr 1) allocated 8192 Interrupt Collections (flat, esz 8, psz 64K, shr 1) allocated 65536 Virtual CPUs (flat, esz 8, psz 64K, shr 1) Signed-off-by: Shanker Donthineni <shankerd@codeaurora.org> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> |
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| README | ||
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.