add dts config

hc

2023-12-06 08f87f769b595151be1afeff53e144f543faa614

 kernel/arch/x86/xen/xen-ops.h
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@@ -8,13 +8,12 @@
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 #include <xen/xen-ops.h>
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 /* These are code, but not functions.  Defined in entry.S */
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-extern const char xen_hypervisor_callback[];
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 extern const char xen_failsafe_callback[];
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-void xen_sysenter_target(void);
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+void xen_entry_SYSENTER_compat(void);
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 #ifdef CONFIG_X86_64
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-void xen_syscall_target(void);
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-void xen_syscall32_target(void);
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+void xen_entry_SYSCALL_64(void);
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+void xen_entry_SYSCALL_compat(void);
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 #endif
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 extern void *xen_initial_gdt;
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@@ -30,11 +29,12 @@
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 extern struct shared_info xen_dummy_shared_info;
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 extern struct shared_info *HYPERVISOR_shared_info;
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+extern bool xen_fifo_events;
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+
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 void xen_setup_mfn_list_list(void);
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 void xen_build_mfn_list_list(void);
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 void xen_setup_machphys_mapping(void);
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 void xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn);
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-void xen_reserve_top(void);
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 void __init xen_reserve_special_pages(void);
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 void __init xen_pt_check_e820(void);
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@@ -55,7 +55,6 @@
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 void xen_enable_syscall(void);
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 void xen_vcpu_restore(void);
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-void xen_callback_vector(void);
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 void xen_hvm_init_shared_info(void);
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 void xen_unplug_emulated_devices(void);
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@@ -134,6 +133,9 @@
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 __visible unsigned long xen_save_fl_direct(void);
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 __visible void xen_restore_fl_direct(unsigned long);
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+__visible unsigned long xen_read_cr2(void);
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+__visible unsigned long xen_read_cr2_direct(void);
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+
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 /* These are not functions, and cannot be called normally */
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 __visible void xen_iret(void);
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 __visible void xen_sysret32(void);