Thread (65 messages) 65 messages, 7 authors, 2015-12-05

[PATCH v6 09/19] arm64:ilp32: share HWCAP between LP64 and ILP32

STALE3954d REVIEWED: 1 (0M)

From: Yury Norov <hidden>
Date: 2015-11-17 21:20:00
Also in: lkml
Subsystem: arm64 port (aarch64 architecture), the rest · Maintainers: Catalin Marinas, Will Deacon, Linus Torvalds

Revision v6 of 15 in this series; 1 review trailer.

Revisions (15)
  1. v5 [diff vs current]
  2. v6 [diff vs current]
  3. v6 current
  4. v6 [diff vs current]
  5. v6 [diff vs current]
  6. v6 [diff vs current]
  7. v6 [diff vs current]
  8. v6 [diff vs current]
  9. v7 [diff vs current]
  10. v7 [diff vs current]
  11. v7 [diff vs current]
  12. v7 [diff vs current]
  13. v7 [diff vs current]
  14. v8 [diff vs current]
  15. v9 [diff vs current]
From: Andrew Pinski <redacted>

Reviewed-by: David Daney <redacted>

Signed-off-by: Philipp Tomsich <redacted>
Signed-off-by: Christoph Muellner <redacted>
Signed-off-by: Yury Norov <redacted>
Signed-off-by: Andrew Pinski <redacted>
---
 arch/arm64/include/asm/hwcap.h | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/include/asm/hwcap.h b/arch/arm64/include/asm/hwcap.h
index 0ad7351..1e5361e 100644
--- a/arch/arm64/include/asm/hwcap.h
+++ b/arch/arm64/include/asm/hwcap.h
@@ -47,9 +47,17 @@
 #define ELF_HWCAP		(elf_hwcap)
 
 #ifdef CONFIG_COMPAT
-#define COMPAT_ELF_HWCAP	(compat_elf_hwcap)
-#define COMPAT_ELF_HWCAP2	(compat_elf_hwcap2)
 extern unsigned int compat_elf_hwcap, compat_elf_hwcap2;
+#define COMPAT_ELF_HWCAP	\
+	(is_a32_compat_task()	\
+	  ? compat_elf_hwcap	\
+	  : elf_hwcap)
+
+#define COMPAT_ELF_HWCAP2	\
+	(is_a32_compat_task()	\
+	  ? compat_elf_hwcap2	\
+	  : 0)
+
 #endif
 
 extern unsigned long elf_hwcap;
-- 
2.1.4
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