diff options
| -rw-r--r-- | arch/x86/include/asm/rcu.h | 12 | ||||
| -rw-r--r-- | arch/x86/kernel/entry_64.S | 9 |
2 files changed, 17 insertions, 4 deletions
diff --git a/arch/x86/include/asm/rcu.h b/arch/x86/include/asm/rcu.h index 439815b35ced..d1ac07a23979 100644 --- a/arch/x86/include/asm/rcu.h +++ b/arch/x86/include/asm/rcu.h | |||
| @@ -1,6 +1,8 @@ | |||
| 1 | #ifndef _ASM_X86_RCU_H | 1 | #ifndef _ASM_X86_RCU_H |
| 2 | #define _ASM_X86_RCU_H | 2 | #define _ASM_X86_RCU_H |
| 3 | 3 | ||
| 4 | #ifndef __ASSEMBLY__ | ||
| 5 | |||
| 4 | #include <linux/rcupdate.h> | 6 | #include <linux/rcupdate.h> |
| 5 | #include <asm/ptrace.h> | 7 | #include <asm/ptrace.h> |
| 6 | 8 | ||
| @@ -17,4 +19,14 @@ static inline void exception_exit(struct pt_regs *regs) | |||
| 17 | #endif | 19 | #endif |
| 18 | } | 20 | } |
| 19 | 21 | ||
| 22 | #else /* __ASSEMBLY__ */ | ||
| 23 | |||
| 24 | #ifdef CONFIG_RCU_USER_QS | ||
| 25 | # define SCHEDULE_USER call schedule_user | ||
| 26 | #else | ||
| 27 | # define SCHEDULE_USER call schedule | ||
| 28 | #endif | ||
| 29 | |||
| 30 | #endif /* !__ASSEMBLY__ */ | ||
| 31 | |||
| 20 | #endif | 32 | #endif |
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S index 69babd8c834f..1a8f3cbb6ee3 100644 --- a/arch/x86/kernel/entry_64.S +++ b/arch/x86/kernel/entry_64.S | |||
| @@ -56,6 +56,7 @@ | |||
| 56 | #include <asm/ftrace.h> | 56 | #include <asm/ftrace.h> |
| 57 | #include <asm/percpu.h> | 57 | #include <asm/percpu.h> |
| 58 | #include <asm/asm.h> | 58 | #include <asm/asm.h> |
| 59 | #include <asm/rcu.h> | ||
| 59 | #include <linux/err.h> | 60 | #include <linux/err.h> |
| 60 | 61 | ||
| 61 | /* Avoid __ASSEMBLER__'ifying <linux/audit.h> just for this. */ | 62 | /* Avoid __ASSEMBLER__'ifying <linux/audit.h> just for this. */ |
| @@ -565,7 +566,7 @@ sysret_careful: | |||
| 565 | TRACE_IRQS_ON | 566 | TRACE_IRQS_ON |
| 566 | ENABLE_INTERRUPTS(CLBR_NONE) | 567 | ENABLE_INTERRUPTS(CLBR_NONE) |
| 567 | pushq_cfi %rdi | 568 | pushq_cfi %rdi |
| 568 | call schedule | 569 | SCHEDULE_USER |
| 569 | popq_cfi %rdi | 570 | popq_cfi %rdi |
| 570 | jmp sysret_check | 571 | jmp sysret_check |
| 571 | 572 | ||
| @@ -678,7 +679,7 @@ int_careful: | |||
| 678 | TRACE_IRQS_ON | 679 | TRACE_IRQS_ON |
| 679 | ENABLE_INTERRUPTS(CLBR_NONE) | 680 | ENABLE_INTERRUPTS(CLBR_NONE) |
| 680 | pushq_cfi %rdi | 681 | pushq_cfi %rdi |
| 681 | call schedule | 682 | SCHEDULE_USER |
| 682 | popq_cfi %rdi | 683 | popq_cfi %rdi |
| 683 | DISABLE_INTERRUPTS(CLBR_NONE) | 684 | DISABLE_INTERRUPTS(CLBR_NONE) |
| 684 | TRACE_IRQS_OFF | 685 | TRACE_IRQS_OFF |
| @@ -974,7 +975,7 @@ retint_careful: | |||
| 974 | TRACE_IRQS_ON | 975 | TRACE_IRQS_ON |
| 975 | ENABLE_INTERRUPTS(CLBR_NONE) | 976 | ENABLE_INTERRUPTS(CLBR_NONE) |
| 976 | pushq_cfi %rdi | 977 | pushq_cfi %rdi |
| 977 | call schedule | 978 | SCHEDULE_USER |
| 978 | popq_cfi %rdi | 979 | popq_cfi %rdi |
| 979 | GET_THREAD_INFO(%rcx) | 980 | GET_THREAD_INFO(%rcx) |
| 980 | DISABLE_INTERRUPTS(CLBR_NONE) | 981 | DISABLE_INTERRUPTS(CLBR_NONE) |
| @@ -1449,7 +1450,7 @@ paranoid_userspace: | |||
| 1449 | paranoid_schedule: | 1450 | paranoid_schedule: |
| 1450 | TRACE_IRQS_ON | 1451 | TRACE_IRQS_ON |
| 1451 | ENABLE_INTERRUPTS(CLBR_ANY) | 1452 | ENABLE_INTERRUPTS(CLBR_ANY) |
| 1452 | call schedule | 1453 | SCHEDULE_USER |
| 1453 | DISABLE_INTERRUPTS(CLBR_ANY) | 1454 | DISABLE_INTERRUPTS(CLBR_ANY) |
| 1454 | TRACE_IRQS_OFF | 1455 | TRACE_IRQS_OFF |
| 1455 | jmp paranoid_userspace | 1456 | jmp paranoid_userspace |
