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authorAmit Pundir <amit.pundir@linaro.org>2017-08-14 23:12:52 +0000
committerandroid-build-merger <android-build-merger@google.com>2017-08-14 23:12:52 +0000
commit162f0b5d62fd824fb6b9f56dd1f34ceb6ed25aba (patch)
tree25964d826f42332c50a869f3f93883b38ebaaa7f
parent6d41d00029e4688244b606623677a48a749059c2 (diff)
parent9e4822b9922a7b653ed909fa9277d0dd64249de7 (diff)
downloadv4.4-162f0b5d62fd824fb6b9f56dd1f34ceb6ed25aba.tar.gz
ANDROID: arm64: fix undeclared 'init_thread_info' error am: e991aa38ea
am: 9e4822b992 Change-Id: I51aa123da9b2370478e0972fb11fbd8fdcc8a8f9
-rw-r--r--arch/arm64/include/asm/thread_info.h2
-rw-r--r--arch/arm64/kernel/setup.c8
2 files changed, 8 insertions, 2 deletions
diff --git a/arch/arm64/include/asm/thread_info.h b/arch/arm64/include/asm/thread_info.h
index ec4f8c04aeda..67dd228c3f17 100644
--- a/arch/arm64/include/asm/thread_info.h
+++ b/arch/arm64/include/asm/thread_info.h
@@ -90,6 +90,8 @@ static inline struct thread_info *current_thread_info(void)
return (struct thread_info *)sp_el0;
}
+
+#define init_thread_info (init_thread_union.thread_info)
#endif
#define init_stack (init_thread_union.stack)
diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c
index 6591bf23422b..ede6cc373f43 100644
--- a/arch/arm64/kernel/setup.c
+++ b/arch/arm64/kernel/setup.c
@@ -349,11 +349,15 @@ void __init setup_arch(char **cmdline_p)
#ifdef CONFIG_ARM64_SW_TTBR0_PAN
/*
- * Make sure init_thread_info.ttbr0 always generates translation
+ * Make sure thread_info.ttbr0 always generates translation
* faults in case uaccess_enable() is inadvertently called by the init
* thread.
*/
- init_thread_info.ttbr0 = virt_to_phys(empty_zero_page);
+#ifdef CONFIG_THREAD_INFO_IN_TASK
+ init_task.thread_info.ttbr0 = virt_to_phys(empty_zero_page);
+#else
+ init_thread_info.ttbr0 = (init_thread_union.thread_info);
+#endif
#endif
#ifdef CONFIG_VT