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[11/24] ARM64: Add is_ilp32_compat_task and is_ilp32_compat_thread

Message ID 1409779158-30963-12-git-send-email-apinski@cavium.com
State New
Headers show

Commit Message

Andrew Pinski Sept. 3, 2014, 9:19 p.m. UTC 
This patch adds the functions which returns if the current task is an
ILP32 task and one returns if the thread is an ILP32 thread.

Signed-off-by: Andrew Pinski <apinski@cavium.com>
---
 arch/arm64/include/asm/compat.h |   22 ++++++++++++++++++++++
 1 files changed, 22 insertions(+), 0 deletions(-)
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Patch

diff --git a/arch/arm64/include/asm/compat.h b/arch/arm64/include/asm/compat.h
index 8fcfb29..9082b27 100644
--- a/arch/arm64/include/asm/compat.h
+++ b/arch/arm64/include/asm/compat.h
@@ -332,5 +332,27 @@  static inline int is_a32_compat_thread(struct thread_info *thread)
 }
 #endif
 
+#ifdef CONFIG_ARM64_ILP32
+static inline int is_ilp32_compat_task(void)
+{
+	return test_thread_flag(TIF_32BIT) && !is_a32_compat_task();
+}
+static inline int is_ilp32_compat_thread(struct thread_info *thread)
+{
+	return test_ti_thread_flag(thread, TIF_32BIT) &&
+	       !is_a32_compat_thread(thread);
+}
+#else
+static inline int is_ilp32_compat_task(void)
+{
+	return 0;
+}
+static inline int is_ilp32_compat_thread(struct thread_info *thread)
+{
+	return 0;
+}
+#endif
+
+
 #endif /* __KERNEL__ */
 #endif /* __ASM_COMPAT_H */