[PATCH] uml: ELF locking commentary

Comment the lack of locking of the elf data extracted from the ELF headers
passed to UML.

Signed-off-by: Jeff Dike <[email protected]>
Cc: Paolo 'Blaisorblade' Giarrusso <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

diff --git a/arch/um/os-Linux/elf_aux.c b/arch/um/os-Linux/elf_aux.c
index 5a99dd3fbed0477bb7443eba1324e70f0dc4bcf4..3a8d7e3aae0a9e2cdc70d1bc547a8b636b614d29 100644 (file)
--- a/arch/um/os-Linux/elf_aux.c
+++ b/arch/um/os-Linux/elf_aux.c
@@ -21,12 +21,11 @@ typedef Elf32_auxv_t elf_auxv_t;
 typedef Elf64_auxv_t elf_auxv_t;
 #endif
 
+/* These are initialized very early in boot and never changed */
 char * elf_aux_platform;
 long elf_aux_hwcap;
-
 unsigned long vsyscall_ehdr;
 unsigned long vsyscall_end;
-
 unsigned long __kernel_vsyscall;
 
 __init void scan_elf_aux( char **envp)