Messages in this thread Patch in this message | | | From | Pu Wen <> | Subject | [RFC PATCH] x86/cpu/hygon: Set __max_die_per_package on Hygon | Date | Thu, 25 Feb 2021 21:04:07 +0800 |
| |
Set the maximum DIE per package variable on Hygon using the nodes_per_socket value in order to do per-DIE manipulations by driver such as powercap.
Signed-off-by: Pu Wen <puwen@hygon.cn> --- arch/x86/kernel/cpu/hygon.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/x86/kernel/cpu/hygon.c b/arch/x86/kernel/cpu/hygon.c index ae59115d18f9..0bd6c74e3ba1 100644 --- a/arch/x86/kernel/cpu/hygon.c +++ b/arch/x86/kernel/cpu/hygon.c @@ -215,12 +215,12 @@ static void bsp_init_hygon(struct cpuinfo_x86 *c) u32 ecx; ecx = cpuid_ecx(0x8000001e); - nodes_per_socket = ((ecx >> 8) & 7) + 1; + __max_die_per_package = nodes_per_socket = ((ecx >> 8) & 7) + 1; } else if (boot_cpu_has(X86_FEATURE_NODEID_MSR)) { u64 value; rdmsrl(MSR_FAM10H_NODE_ID, value); - nodes_per_socket = ((value >> 3) & 7) + 1; + __max_die_per_package = nodes_per_socket = ((value >> 3) & 7) + 1; } if (!boot_cpu_has(X86_FEATURE_AMD_SSBD) && -- 2.23.0
| |