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Diffstat (limited to 'arch/x86/include/asm/special_insns.h')
-rw-r--r--arch/x86/include/asm/special_insns.h31
1 files changed, 15 insertions, 16 deletions
diff --git a/arch/x86/include/asm/special_insns.h b/arch/x86/include/asm/special_insns.h
index d6cd9344f6c7..03e7c2d49559 100644
--- a/arch/x86/include/asm/special_insns.h
+++ b/arch/x86/include/asm/special_insns.h
@@ -2,11 +2,11 @@
#ifndef _ASM_X86_SPECIAL_INSNS_H
#define _ASM_X86_SPECIAL_INSNS_H
-
#ifdef __KERNEL__
-
#include <asm/nops.h>
#include <asm/processor-flags.h>
+
+#include <linux/errno.h>
#include <linux/irqflags.h>
#include <linux/jump_label.h>
@@ -115,7 +115,7 @@ static inline void wrpkru(u32 pkru)
}
#endif
-static __always_inline void native_wbinvd(void)
+static __always_inline void wbinvd(void)
{
asm volatile("wbinvd": : :"memory");
}
@@ -167,12 +167,6 @@ static inline void __write_cr4(unsigned long x)
{
native_write_cr4(x);
}
-
-static __always_inline void wbinvd(void)
-{
- native_wbinvd();
-}
-
#endif /* CONFIG_PARAVIRT_XXL */
static __always_inline void clflush(volatile void *__p)
@@ -182,8 +176,8 @@ static __always_inline void clflush(volatile void *__p)
static inline void clflushopt(volatile void *__p)
{
- alternative_io(".byte 0x3e; clflush %P0",
- ".byte 0x66; clflush %P0",
+ alternative_io(".byte 0x3e; clflush %0",
+ ".byte 0x66; clflush %0",
X86_FEATURE_CLFLUSHOPT,
"+m" (*(volatile char __force *)__p));
}
@@ -205,9 +199,9 @@ static inline void clwb(volatile void *__p)
#ifdef CONFIG_X86_USER_SHADOW_STACK
static inline int write_user_shstk_64(u64 __user *addr, u64 val)
{
- asm_volatile_goto("1: wrussq %[val], (%[addr])\n"
+ asm goto("1: wrussq %[val], %[addr]\n"
_ASM_EXTABLE(1b, %l[fail])
- :: [addr] "r" (addr), [val] "r" (val)
+ :: [addr] "m" (*addr), [val] "r" (val)
:: fail);
return 0;
fail:
@@ -217,17 +211,17 @@ fail:
#define nop() asm volatile ("nop")
-static inline void serialize(void)
+static __always_inline void serialize(void)
{
/* Instruction opcode for SERIALIZE; supported in binutils >= 2.35. */
asm volatile(".byte 0xf, 0x1, 0xe8" ::: "memory");
}
/* The dst parameter must be 64-bytes aligned */
-static inline void movdir64b(void __iomem *dst, const void *src)
+static inline void movdir64b(void *dst, const void *src)
{
const struct { char _[64]; } *__src = src;
- struct { char _[64]; } __iomem *__dst = dst;
+ struct { char _[64]; } *__dst = dst;
/*
* MOVDIR64B %(rdx), rax.
@@ -245,6 +239,11 @@ static inline void movdir64b(void __iomem *dst, const void *src)
: "m" (*__src), "a" (__dst), "d" (__src));
}
+static inline void movdir64b_io(void __iomem *dst, const void *src)
+{
+ movdir64b((void __force *)dst, src);
+}
+
/**
* enqcmds - Enqueue a command in supervisor (CPL0) mode
* @dst: destination, in MMIO space (must be 512-bit aligned)