patch-5.15.79-rt54.patch

[platform/kernel/linux-rpi.git] / arch / x86 / include / asm / thread_info.h

diff --git a/arch/x86/include/asm/thread_info.h b/arch/x86/include/asm/thread_info.h
index cf13266..75dc786 100644 (file)
--- a/arch/x86/include/asm/thread_info.h
+++ b/arch/x86/include/asm/thread_info.h
@@ -57,11 +57,14 @@ struct thread_info {
        unsigned long           flags;          /* low level flags */
        unsigned long           syscall_work;   /* SYSCALL_WORK_ flags */
        u32                     status;         /* thread synchronous flags */
+       int                     preempt_lazy_count;     /* 0 => lazy preemptable
+                                                          <0 => BUG */
 };
 
 #define INIT_THREAD_INFO(tsk)                  \
 {                                              \
        .flags          = 0,                    \
+       .preempt_lazy_count     = 0,            \
 }
 
 #else /* !__ASSEMBLY__ */
@@ -90,6 +93,7 @@ struct thread_info {
 #define TIF_NOTSC              16      /* TSC is not accessible in userland */
 #define TIF_NOTIFY_SIGNAL      17      /* signal notifications exist */
 #define TIF_SLD                        18      /* Restore split lock detection on context switch */
+#define TIF_NEED_RESCHED_LAZY  19      /* lazy rescheduling necessary */
 #define TIF_MEMDIE             20      /* is terminating due to OOM killer */
 #define TIF_POLLING_NRFLAG     21      /* idle is polling for TIF_NEED_RESCHED */
 #define TIF_IO_BITMAP          22      /* uses I/O bitmap */
@@ -114,6 +118,7 @@ struct thread_info {
 #define _TIF_NOTSC             (1 << TIF_NOTSC)
 #define _TIF_NOTIFY_SIGNAL     (1 << TIF_NOTIFY_SIGNAL)
 #define _TIF_SLD               (1 << TIF_SLD)
+#define _TIF_NEED_RESCHED_LAZY (1 << TIF_NEED_RESCHED_LAZY)
 #define _TIF_POLLING_NRFLAG    (1 << TIF_POLLING_NRFLAG)
 #define _TIF_IO_BITMAP         (1 << TIF_IO_BITMAP)
 #define _TIF_SPEC_FORCE_UPDATE (1 << TIF_SPEC_FORCE_UPDATE)