diff options
| author | Jeff Dike <jdike@addtoit.com> | 2007-05-06 14:51:20 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-07 12:13:02 -0700 |
| commit | 65a58ab044308ae65ca06c50fb10be5e0e080989 (patch) | |
| tree | 7022dc793ce0166b4bb586b762dfcecd41df7dd4 /arch/um/sys-i386/tls.c | |
| parent | a18ff1bde0c3da9ece3ba60e6eae2ef87f91a12e (diff) | |
| download | lwn-65a58ab044308ae65ca06c50fb10be5e0e080989.tar.gz lwn-65a58ab044308ae65ca06c50fb10be5e0e080989.zip | |
uml: no locking needed in tls.c
Comment the lack of locking on a couple of globals.
Also fix the formatting of __setup_host_supports_tls.
Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/um/sys-i386/tls.c')
| -rw-r--r-- | arch/um/sys-i386/tls.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/arch/um/sys-i386/tls.c b/arch/um/sys-i386/tls.c index 643dab585727..fea8e5e15cc4 100644 --- a/arch/um/sys-i386/tls.c +++ b/arch/um/sys-i386/tls.c @@ -23,9 +23,13 @@ #include "skas.h" #endif -/* If needed we can detect when it's uninitialized. */ +/* + * If needed we can detect when it's uninitialized. + * + * These are initialized in an initcall and unchanged thereafter. + */ static int host_supports_tls = -1; -int host_gdt_entry_tls_min = -1; +int host_gdt_entry_tls_min; #ifdef CONFIG_MODE_SKAS int do_set_thread_area_skas(struct user_desc *info) @@ -361,7 +365,8 @@ out: /* XXX: This part is probably common to i386 and x86-64. Don't create a common * file for now, do that when implementing x86-64 support.*/ -static int __init __setup_host_supports_tls(void) { +static int __init __setup_host_supports_tls(void) +{ check_host_supports_tls(&host_supports_tls, &host_gdt_entry_tls_min); if (host_supports_tls) { printk(KERN_INFO "Host TLS support detected\n"); |