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d504d1247e
Add functions to manage global ASID space. Multithreaded processes that are simultaneously active on 4 or more CPUs can get a global ASID, resulting in the same PCID being used for that process on every CPU. This in turn will allow the kernel to use hardware-assisted TLB flushing through AMD INVLPGB or Intel RAR for these processes. [ bp: - Extend use_global_asid() comment - s/X86_BROADCAST_TLB_FLUSH/BROADCAST_TLB_FLUSH/g - other touchups ] Signed-off-by: Rik van Riel <riel@surriel.com> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Signed-off-by: Ingo Molnar <mingo@kernel.org> Link: https://lore.kernel.org/r/20250226030129.530345-8-riel@surriel.com |
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Linux kernel
============
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In order to build the documentation, use ``make htmldocs`` or
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