diff options
Diffstat (limited to 'arch/x86/include/asm/special_insns.h')
-rw-r--r-- | arch/x86/include/asm/special_insns.h | 31 |
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 48f8dd47cf68..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 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) |