Move the pv_info related definitions and the declarations of the global paravirt function primitives into a new header file paravirt-base.h.
This enables to use that header instead of paravirt_types.h in ptrace.h. Additionally it is in preparation of reducing include hell with paravirt enabled. Signed-off-by: Juergen Gross <jgr...@suse.com> --- V2: - new patch --- arch/x86/include/asm/paravirt-base.h | 29 +++++++++++++++++++++++++++ arch/x86/include/asm/paravirt.h | 4 +++- arch/x86/include/asm/paravirt_types.h | 23 +-------------------- arch/x86/include/asm/ptrace.h | 2 +- 4 files changed, 34 insertions(+), 24 deletions(-) create mode 100644 arch/x86/include/asm/paravirt-base.h diff --git a/arch/x86/include/asm/paravirt-base.h b/arch/x86/include/asm/paravirt-base.h new file mode 100644 index 000000000000..3827ea20de18 --- /dev/null +++ b/arch/x86/include/asm/paravirt-base.h @@ -0,0 +1,29 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef _ASM_X86_PARAVIRT_BASE_H +#define _ASM_X86_PARAVIRT_BASE_H + +/* + * Wrapper type for pointers to code which uses the non-standard + * calling convention. See PV_CALL_SAVE_REGS_THUNK below. + */ +struct paravirt_callee_save { + void *func; +}; + +struct pv_info { +#ifdef CONFIG_PARAVIRT_XXL + u16 extra_user_64bit_cs; /* __USER_CS if none */ +#endif + const char *name; +}; + +void default_banner(void); +extern struct pv_info pv_info; +unsigned long paravirt_ret0(void); +#ifdef CONFIG_PARAVIRT_XXL +u64 _paravirt_ident_64(u64); +#endif +#define paravirt_nop ((void *)nop_func) + +#endif /* _ASM_X86_PARAVIRT_BASE_H */ diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h index b69e75a5c872..62399f5d037d 100644 --- a/arch/x86/include/asm/paravirt.h +++ b/arch/x86/include/asm/paravirt.h @@ -4,6 +4,9 @@ /* Various instructions on x86 need to be replaced for * para-virtualization: those hooks are defined here. */ +#ifndef __ASSEMBLER__ +#include <asm/paravirt-base.h> +#endif #include <asm/paravirt_types.h> #ifdef CONFIG_PARAVIRT @@ -601,7 +604,6 @@ static __always_inline unsigned long arch_local_irq_save(void) #undef PVOP_VCALL4 #undef PVOP_CALL4 -extern void default_banner(void); void native_pv_lock_init(void) __init; #else /* __ASSEMBLER__ */ diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h index 7acff40cc159..148d157e2a4a 100644 --- a/arch/x86/include/asm/paravirt_types.h +++ b/arch/x86/include/asm/paravirt_types.h @@ -7,6 +7,7 @@ #ifndef __ASSEMBLER__ #include <linux/types.h> +#include <asm/paravirt-base.h> #include <asm/desc_defs.h> #include <asm/pgtable_types.h> #include <asm/nospec-branch.h> @@ -18,23 +19,6 @@ struct cpumask; struct flush_tlb_info; struct vm_area_struct; -/* - * Wrapper type for pointers to code which uses the non-standard - * calling convention. See PV_CALL_SAVE_REGS_THUNK below. - */ -struct paravirt_callee_save { - void *func; -}; - -/* general info */ -struct pv_info { -#ifdef CONFIG_PARAVIRT_XXL - u16 extra_user_64bit_cs; /* __USER_CS if none */ -#endif - - const char *name; -}; - #ifdef CONFIG_PARAVIRT_XXL struct pv_lazy_ops { /* Set deferred update mode, used for batching operations. */ @@ -226,7 +210,6 @@ struct paravirt_patch_template { struct pv_lock_ops lock; } __no_randomize_layout; -extern struct pv_info pv_info; extern struct paravirt_patch_template pv_ops; #define paravirt_ptr(op) [paravirt_opptr] "m" (pv_ops.op) @@ -497,17 +480,13 @@ extern struct paravirt_patch_template pv_ops; __PVOP_VCALL(op, PVOP_CALL_ARG1(arg1), PVOP_CALL_ARG2(arg2), \ PVOP_CALL_ARG3(arg3), PVOP_CALL_ARG4(arg4)) -unsigned long paravirt_ret0(void); #ifdef CONFIG_PARAVIRT_XXL -u64 _paravirt_ident_64(u64); unsigned long pv_native_save_fl(void); void pv_native_irq_disable(void); void pv_native_irq_enable(void); unsigned long pv_native_read_cr2(void); #endif -#define paravirt_nop ((void *)nop_func) - #endif /* __ASSEMBLER__ */ #define ALT_NOT_XEN ALT_NOT(X86_FEATURE_XENPV) diff --git a/arch/x86/include/asm/ptrace.h b/arch/x86/include/asm/ptrace.h index 50f75467f73d..fe2dab7d74e3 100644 --- a/arch/x86/include/asm/ptrace.h +++ b/arch/x86/include/asm/ptrace.h @@ -172,7 +172,7 @@ struct pt_regs { #endif /* !__i386__ */ #ifdef CONFIG_PARAVIRT -#include <asm/paravirt_types.h> +#include <asm/paravirt-base.h> #endif #include <asm/proto.h> -- 2.51.0