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 |