a0e2bf7cb7
The time pvops functions are the only ones left which might be used in 32-bit mode and which return a 64-bit value. Switch them to use the static_call() mechanism instead of pvops, as this allows quite some simplification of the pvops implementation. Signed-off-by: Juergen Gross <jgross@suse.com> Signed-off-by: Borislav Petkov <bp@suse.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lkml.kernel.org/r/20210311142319.4723-5-jgross@suse.com
30 lines
580 B
C
30 lines
580 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_ARM64_PARAVIRT_H
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#define _ASM_ARM64_PARAVIRT_H
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#ifdef CONFIG_PARAVIRT
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#include <linux/static_call_types.h>
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struct static_key;
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extern struct static_key paravirt_steal_enabled;
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extern struct static_key paravirt_steal_rq_enabled;
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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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int __init pv_time_init(void);
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#else
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#define pv_time_init() do {} while (0)
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#endif // CONFIG_PARAVIRT
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#endif
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