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authorScott Wood <scottwood@freescale.com>2014-04-07 23:49:35 (GMT)
committerScott Wood <scottwood@freescale.com>2014-04-07 23:49:35 (GMT)
commit62b8c978ee6b8d135d9e7953221de58000dba986 (patch)
tree683b04b2e627f6710c22c151b23c8cc9a165315e /arch/arm64/include/asm/thread_info.h
parent78fd82238d0e5716578c326404184a27ba67fd6e (diff)
downloadlinux-fsl-qoriq-62b8c978ee6b8d135d9e7953221de58000dba986.tar.xz
Rewind v3.13-rc3+ (78fd82238d0e5716) to v3.12
Diffstat (limited to 'arch/arm64/include/asm/thread_info.h')
-rw-r--r--arch/arm64/include/asm/thread_info.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/thread_info.h b/arch/arm64/include/asm/thread_info.h
index 720e70b..23a3c47 100644
--- a/arch/arm64/include/asm/thread_info.h
+++ b/arch/arm64/include/asm/thread_info.h
@@ -89,6 +89,12 @@ static inline struct thread_info *current_thread_info(void)
#endif
/*
+ * We use bit 30 of the preempt_count to indicate that kernel
+ * preemption is occurring. See <asm/hardirq.h>.
+ */
+#define PREEMPT_ACTIVE 0x40000000
+
+/*
* thread information flags:
* TIF_SYSCALL_TRACE - syscall trace active
* TIF_SIGPENDING - signal pending