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Paravirt clock related functions are available in multiple archs. In order to share the common parts, move the common static keys to kernel/sched/ and remove them from the arch specific files. Make a common paravirt_steal_clock() implementation available in kernel/sched/cputime.c, guarding it with a new config option CONFIG_HAVE_PV_STEAL_CLOCK_GEN, which can be selected by an arch in case it wants to use that common variant. Signed-off-by: Juergen Gross <jgross@suse.com> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://patch.msgid.link/20260105110520.21356-7-jgross@suse.com
18 lines
356 B
C
18 lines
356 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_ARM_PARAVIRT_H
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#define _ASM_ARM_PARAVIRT_H
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#ifdef CONFIG_PARAVIRT
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#include <linux/static_call_types.h>
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u64 dummy_steal_clock(int cpu);
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DECLARE_STATIC_CALL(pv_steal_clock, dummy_steal_clock);
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static inline u64 paravirt_steal_clock(int cpu)
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{
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return static_call(pv_steal_clock)(cpu);
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}
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#endif
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#endif
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