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21 lines
467 B
21 lines
467 B
// SPDX-License-Identifier: GPL-2.0 |
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/* Copyright IBM Corp. 2020 */ |
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#include <linux/compiler.h> |
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#include <linux/getcpu.h> |
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#include <asm/timex.h> |
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#include "vdso.h" |
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int __s390_vdso_getcpu(unsigned *cpu, unsigned *node, struct getcpu_cache *unused) |
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{ |
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union tod_clock clk; |
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/* CPU number is stored in the programmable field of the TOD clock */ |
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store_tod_clock_ext(&clk); |
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if (cpu) |
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*cpu = clk.pf; |
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/* NUMA node is always zero */ |
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if (node) |
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*node = 0; |
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return 0; |
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}
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