Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
22 lines
467 B
C
22 lines
467 B
C
// 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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