diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2022-09-15 14:11:22 +0300 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2022-10-17 17:41:12 +0300 |
| commit | 239f2e248ef12840178a3ed1a217f19b5fbfde26 (patch) | |
| tree | 83b100448549d4aad54e987cdd16f60fa4737767 | |
| parent | c22cf380c79c4bb0e502b0343f57271b17626424 (diff) | |
| download | linux-239f2e248ef12840178a3ed1a217f19b5fbfde26.tar.xz | |
x86/paravirt: Make struct paravirt_call_site unconditionally available
For the upcoming call thunk patching it's less ifdeffery when the data
structure is unconditionally available. The code can then be trivially
fenced off with IS_ENABLED().
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220915111147.367853167@infradead.org
| -rw-r--r-- | arch/x86/include/asm/paravirt.h | 4 | ||||
| -rw-r--r-- | arch/x86/include/asm/paravirt_types.h | 20 |
2 files changed, 14 insertions, 10 deletions
diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h index 1be66c15ecbd..2851bc2339d5 100644 --- a/arch/x86/include/asm/paravirt.h +++ b/arch/x86/include/asm/paravirt.h @@ -4,13 +4,13 @@ /* Various instructions on x86 need to be replaced for * para-virtualization: those hooks are defined here. */ +#include <asm/paravirt_types.h> + #ifdef CONFIG_PARAVIRT #include <asm/pgtable_types.h> #include <asm/asm.h> #include <asm/nospec-branch.h> -#include <asm/paravirt_types.h> - #ifndef __ASSEMBLY__ #include <linux/bug.h> #include <linux/types.h> diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h index f3d601574730..e137d9412123 100644 --- a/arch/x86/include/asm/paravirt_types.h +++ b/arch/x86/include/asm/paravirt_types.h @@ -2,6 +2,17 @@ #ifndef _ASM_X86_PARAVIRT_TYPES_H #define _ASM_X86_PARAVIRT_TYPES_H +#ifndef __ASSEMBLY__ +/* These all sit in the .parainstructions section to tell us what to patch. */ +struct paravirt_patch_site { + u8 *instr; /* original instructions */ + u8 type; /* type of this instruction */ + u8 len; /* length of original instruction */ +}; +#endif + +#ifdef CONFIG_PARAVIRT + /* Bitmask of what can be clobbered: usually at least eax. */ #define CLBR_EAX (1 << 0) #define CLBR_ECX (1 << 1) @@ -593,16 +604,9 @@ unsigned long paravirt_ret0(void); #define paravirt_nop ((void *)_paravirt_nop) -/* These all sit in the .parainstructions section to tell us what to patch. */ -struct paravirt_patch_site { - u8 *instr; /* original instructions */ - u8 type; /* type of this instruction */ - u8 len; /* length of original instruction */ -}; - extern struct paravirt_patch_site __parainstructions[], __parainstructions_end[]; #endif /* __ASSEMBLY__ */ - +#endif /* CONFIG_PARAVIRT */ #endif /* _ASM_X86_PARAVIRT_TYPES_H */ |