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The Hygon Dhyana CPU has a topology extensions bit in CPUID. With
this bit, the kernel can get the cache information. So add support in
cpuid4_cache_lookup_regs() to get the correct cache size.
The Hygon Dhyana CPU also discovers num_cache_leaves via CPUID leaf
0x8000001d, so add support to it in find_num_cache_leaves().
Also add cacheinfo_hygon_init_llc_id() and init_hygon_cacheinfo()
functions to initialize Dhyana cache info. Setup cache cpumap in the
same way as AMD does.
Signed-off-by: Pu Wen <puwen@hygon.cn>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Borislav Petkov <bp@suse.de>
Cc: bp@alien8.de
Cc: tglx@linutronix.de
Cc: mingo@redhat.com
Cc: hpa@zytor.com
Cc: x86@kernel.org
Cc: thomas.lendacky@amd.com
Link: https://lkml.kernel.org/r/2a686b2ac0e2f5a1f2f5f101124d9dd44f949731.1537533369.git.puwen@hygon.cn
d4f7423efd