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-rw-r--r--arch/arm64/include/uapi/asm/sigcontext.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm64/include/uapi/asm/sigcontext.h b/arch/arm64/include/uapi/asm/sigcontext.h
index 4aaf31e3bf16..9525041e4a14 100644
--- a/arch/arm64/include/uapi/asm/sigcontext.h
+++ b/arch/arm64/include/uapi/asm/sigcontext.h
@@ -62,6 +62,10 @@ struct sigcontext {
* context. Such structures must be placed after the rt_sigframe on the stack
* and be 16-byte aligned. The last structure must be a dummy one with the
* magic and size set to 0.
+ *
+ * Note that the values allocated for use as magic should be chosen to
+ * be meaningful in ASCII to aid manual parsing, ZA doesn't follow this
+ * convention due to oversight but it should be observed for future additions.
*/
struct _aarch64_ctx {
__u32 magic;