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x86/hyperv: Make hv_setup_sched_clock inline
Make hv_setup_sched_clock inline so the reference to pv_ops works correctly with objtool updates to detect noinstr violations. See https://lore.kernel.org/patchwork/patch/1283635/ Signed-off-by: Michael Kelley <mikelley@microsoft.com> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lore.kernel.org/r/1597022991-24088-1-git-send-email-mikelley@microsoft.com Signed-off-by: Wei Liu <wei.liu@kernel.org>
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3 changed files with 12 additions and 8 deletions
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@ -8,6 +8,7 @@
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#include <asm/io.h>
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#include <asm/io.h>
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#include <asm/hyperv-tlfs.h>
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#include <asm/hyperv-tlfs.h>
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#include <asm/nospec-branch.h>
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#include <asm/nospec-branch.h>
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#include <asm/paravirt.h>
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typedef int (*hyperv_fill_flush_list_func)(
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typedef int (*hyperv_fill_flush_list_func)(
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struct hv_guest_mapping_flush_list *flush,
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struct hv_guest_mapping_flush_list *flush,
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@ -54,6 +55,17 @@ typedef int (*hyperv_fill_flush_list_func)(
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vclocks_set_used(VDSO_CLOCKMODE_HVCLOCK);
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vclocks_set_used(VDSO_CLOCKMODE_HVCLOCK);
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#define hv_get_raw_timer() rdtsc_ordered()
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#define hv_get_raw_timer() rdtsc_ordered()
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/*
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* Reference to pv_ops must be inline so objtool
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* detection of noinstr violations can work correctly.
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*/
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static __always_inline void hv_setup_sched_clock(void *sched_clock)
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{
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#ifdef CONFIG_PARAVIRT
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pv_ops.time.sched_clock = sched_clock;
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#endif
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}
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void hyperv_vector_handler(struct pt_regs *regs);
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void hyperv_vector_handler(struct pt_regs *regs);
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static inline void hv_enable_stimer0_percpu_irq(int irq) {}
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static inline void hv_enable_stimer0_percpu_irq(int irq) {}
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@ -361,13 +361,6 @@ static void __init ms_hyperv_init_platform(void)
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#endif
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#endif
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}
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}
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void hv_setup_sched_clock(void *sched_clock)
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{
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#ifdef CONFIG_PARAVIRT
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pv_ops.time.sched_clock = sched_clock;
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#endif
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}
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const __initconst struct hypervisor_x86 x86_hyper_ms_hyperv = {
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const __initconst struct hypervisor_x86 x86_hyper_ms_hyperv = {
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.name = "Microsoft Hyper-V",
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.name = "Microsoft Hyper-V",
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.detect = ms_hyperv_platform,
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.detect = ms_hyperv_platform,
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@ -168,7 +168,6 @@ void hyperv_report_panic_msg(phys_addr_t pa, size_t size);
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bool hv_is_hyperv_initialized(void);
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bool hv_is_hyperv_initialized(void);
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bool hv_is_hibernation_supported(void);
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bool hv_is_hibernation_supported(void);
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void hyperv_cleanup(void);
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void hyperv_cleanup(void);
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void hv_setup_sched_clock(void *sched_clock);
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#else /* CONFIG_HYPERV */
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#else /* CONFIG_HYPERV */
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static inline bool hv_is_hyperv_initialized(void) { return false; }
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static inline bool hv_is_hyperv_initialized(void) { return false; }
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static inline bool hv_is_hibernation_supported(void) { return false; }
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static inline bool hv_is_hibernation_supported(void) { return false; }
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