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authorThomas Gleixner <tglx@linutronix.de>2019-07-26 23:19:42 +0200
committerIngo Molnar <mingo@kernel.org>2019-07-31 19:03:35 +0200
commit48593975aeee548f25e256c515fd1d1e3fb2cc20 (patch)
treeacb82e5e0024c7b6be4df0ac901fe246241bd2f5 /arch/x86/entry
parent92616606368ee01f1163fcfc986116c810cd48ba (diff)
downloadlinux-48593975aeee548f25e256c515fd1d1e3fb2cc20.tar.bz2
x86: Use CONFIG_PREEMPTION
CONFIG_PREEMPTION is selected by CONFIG_PREEMPT and by CONFIG_PREEMPT_RT. Both PREEMPT and PREEMPT_RT require the same functionality which today depends on CONFIG_PREEMPT. Switch the entry code, preempt and kprobes conditionals over to CONFIG_PREEMPTION. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Paul E. McKenney <paulmck@linux.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Steven Rostedt <rostedt@goodmis.org> Link: http://lkml.kernel.org/r/20190726212124.608488448@linutronix.de Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/entry')
-rw-r--r--arch/x86/entry/entry_32.S6
-rw-r--r--arch/x86/entry/entry_64.S4
-rw-r--r--arch/x86/entry/thunk_32.S2
-rw-r--r--arch/x86/entry/thunk_64.S4
4 files changed, 8 insertions, 8 deletions
diff --git a/arch/x86/entry/entry_32.S b/arch/x86/entry/entry_32.S
index 4f86928246e7..f83ca5aa8b77 100644
--- a/arch/x86/entry/entry_32.S
+++ b/arch/x86/entry/entry_32.S
@@ -63,7 +63,7 @@
* enough to patch inline, increasing performance.
*/
-#ifdef CONFIG_PREEMPT
+#ifdef CONFIG_PREEMPTION
# define preempt_stop(clobbers) DISABLE_INTERRUPTS(clobbers); TRACE_IRQS_OFF
#else
# define preempt_stop(clobbers)
@@ -1084,7 +1084,7 @@ restore_all:
INTERRUPT_RETURN
restore_all_kernel:
-#ifdef CONFIG_PREEMPT
+#ifdef CONFIG_PREEMPTION
DISABLE_INTERRUPTS(CLBR_ANY)
cmpl $0, PER_CPU_VAR(__preempt_count)
jnz .Lno_preempt
@@ -1364,7 +1364,7 @@ ENTRY(xen_hypervisor_callback)
ENTRY(xen_do_upcall)
1: mov %esp, %eax
call xen_evtchn_do_upcall
-#ifndef CONFIG_PREEMPT
+#ifndef CONFIG_PREEMPTION
call xen_maybe_preempt_hcall
#endif
jmp ret_from_intr
diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S
index 3f5a978a02a7..9701464341e4 100644
--- a/arch/x86/entry/entry_64.S
+++ b/arch/x86/entry/entry_64.S
@@ -662,7 +662,7 @@ GLOBAL(swapgs_restore_regs_and_return_to_usermode)
/* Returning to kernel space */
retint_kernel:
-#ifdef CONFIG_PREEMPT
+#ifdef CONFIG_PREEMPTION
/* Interrupts are off */
/* Check if we need preemption */
btl $9, EFLAGS(%rsp) /* were interrupts off? */
@@ -1113,7 +1113,7 @@ ENTRY(xen_do_hypervisor_callback) /* do_hypervisor_callback(struct *pt_regs) */
call xen_evtchn_do_upcall
LEAVE_IRQ_STACK
-#ifndef CONFIG_PREEMPT
+#ifndef CONFIG_PREEMPTION
call xen_maybe_preempt_hcall
#endif
jmp error_exit
diff --git a/arch/x86/entry/thunk_32.S b/arch/x86/entry/thunk_32.S
index cb3464525b37..2713490611a3 100644
--- a/arch/x86/entry/thunk_32.S
+++ b/arch/x86/entry/thunk_32.S
@@ -34,7 +34,7 @@
THUNK trace_hardirqs_off_thunk,trace_hardirqs_off_caller,1
#endif
-#ifdef CONFIG_PREEMPT
+#ifdef CONFIG_PREEMPTION
THUNK ___preempt_schedule, preempt_schedule
THUNK ___preempt_schedule_notrace, preempt_schedule_notrace
EXPORT_SYMBOL(___preempt_schedule)
diff --git a/arch/x86/entry/thunk_64.S b/arch/x86/entry/thunk_64.S
index cc20465b2867..ea5c4167086c 100644
--- a/arch/x86/entry/thunk_64.S
+++ b/arch/x86/entry/thunk_64.S
@@ -46,7 +46,7 @@
THUNK lockdep_sys_exit_thunk,lockdep_sys_exit
#endif
-#ifdef CONFIG_PREEMPT
+#ifdef CONFIG_PREEMPTION
THUNK ___preempt_schedule, preempt_schedule
THUNK ___preempt_schedule_notrace, preempt_schedule_notrace
EXPORT_SYMBOL(___preempt_schedule)
@@ -55,7 +55,7 @@
#if defined(CONFIG_TRACE_IRQFLAGS) \
|| defined(CONFIG_DEBUG_LOCK_ALLOC) \
- || defined(CONFIG_PREEMPT)
+ || defined(CONFIG_PREEMPTION)
.L_restore:
popq %r11
popq %r10