diff options
Diffstat (limited to 'arch/x86/um/asm')
| -rw-r--r-- | arch/x86/um/asm/processor.h | 12 | ||||
| -rw-r--r-- | arch/x86/um/asm/vm-flags.h | 10 |
2 files changed, 12 insertions, 10 deletions
diff --git a/arch/x86/um/asm/processor.h b/arch/x86/um/asm/processor.h index 593d5f3902bd..478710384b34 100644 --- a/arch/x86/um/asm/processor.h +++ b/arch/x86/um/asm/processor.h @@ -1,6 +1,7 @@ /* SPDX-License-Identifier: GPL-2.0 */ #ifndef __UM_PROCESSOR_H #define __UM_PROCESSOR_H +#include <linux/time-internal.h> /* include faultinfo structure */ #include <sysdep/faultinfo.h> @@ -21,12 +22,19 @@ #include <asm/user.h> /* REP NOP (PAUSE) is a good thing to insert into busy-wait loops. */ -static inline void rep_nop(void) +static __always_inline void rep_nop(void) { __asm__ __volatile__("rep;nop": : :"memory"); } -#define cpu_relax() rep_nop() +static __always_inline void cpu_relax(void) +{ + if (time_travel_mode == TT_MODE_INFCPU || + time_travel_mode == TT_MODE_EXTERNAL) + time_travel_ndelay(1); + else + rep_nop(); +} #define task_pt_regs(t) (&(t)->thread.regs) diff --git a/arch/x86/um/asm/vm-flags.h b/arch/x86/um/asm/vm-flags.h index 7c297e9e2413..df7a3896f5dd 100644 --- a/arch/x86/um/asm/vm-flags.h +++ b/arch/x86/um/asm/vm-flags.h @@ -9,17 +9,11 @@ #ifdef CONFIG_X86_32 -#define VM_DATA_DEFAULT_FLAGS \ - (VM_READ | VM_WRITE | \ - ((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0 ) | \ - VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) +#define VM_DATA_DEFAULT_FLAGS VM_DATA_FLAGS_TSK_EXEC #else -#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \ - VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) -#define VM_STACK_DEFAULT_FLAGS (VM_GROWSDOWN | VM_READ | VM_WRITE | \ - VM_EXEC | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) +#define VM_STACK_DEFAULT_FLAGS (VM_GROWSDOWN | VM_DATA_FLAGS_EXEC) #endif #endif |