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| author |   Pu Wen <puwen@hygon.cn> | 2021-03-02 10:02:17 +0800 |
|---|---|---|
| committer |   Ingo Molnar <mingo@kernel.org> | 2021-03-06 12:54:59 +0100 |
| commit | 59eca2fa1934de42d8aa44d3bef655c92ea69703 (patch) | |
| tree | dd2b50be49898513b009841228a7e2efe2ca4d2b /arch/x86/kernel/cpu/hygon.c | |
| parent | Linux 5.12-rc2 (diff) | |
| download | linux-dev-59eca2fa1934de42d8aa44d3bef655c92ea69703.tar.xz linux-dev-59eca2fa1934de42d8aa44d3bef655c92ea69703.zip | |
x86/cpu/hygon: Set __max_die_per_package on Hygon
Set the maximum DIE per package variable on Hygon using the
nodes_per_socket value in order to do per-DIE manipulations for drivers
such as powercap.
Signed-off-by: Pu Wen <puwen@hygon.cn>
Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lkml.kernel.org/r/20210302020217.1827-1-puwen@hygon.cn
Diffstat (limited to 'arch/x86/kernel/cpu/hygon.c')
| -rw-r--r-- | arch/x86/kernel/cpu/hygon.c | 4 |
1 files 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) && |