linux-kernel - [PATCH 11/24] ARM64: Add is_ilp32_compat_task and is_ilp32_compat

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed,  3 Sep 2014 14:19:05 -0700
From:	Andrew Pinski <apinski@...ium.com>
To:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	pinskia@...il.com
Cc:	Andrew Pinski <apinski@...ium.com>
Subject: [PATCH 11/24] ARM64: Add is_ilp32_compat_task and is_ilp32_compat_thread

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@...ium.com>
---
 arch/arm64/include/asm/compat.h |   22 ++++++++++++++++++++++
 1 files changed, 22 insertions(+), 0 deletions(-)

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 */
-- 
1.7.2.5

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/