Commit 77d6354b authored by David Disseldorp's avatar David Disseldorp Committed by Luis Chamberlain

module/decompress: generate sysfs string at compile time

compression_show() before (with noinline):
   0xffffffff810b5ff0 <+0>:     mov    %rdx,%rdi
   0xffffffff810b5ff3 <+3>:     mov    $0xffffffff81b55629,%rsi
   0xffffffff810b5ffa <+10>:    mov    $0xffffffff81b0cde2,%rdx
   0xffffffff810b6001 <+17>:    call   0xffffffff811b8fd0 <sysfs_emit>
   0xffffffff810b6006 <+22>:    cltq
   0xffffffff810b6008 <+24>:    ret

After:
   0xffffffff810b5ff0 <+0>:     mov    $0xffffffff81b0cde2,%rsi
   0xffffffff810b5ff7 <+7>:     mov    %rdx,%rdi
   0xffffffff810b5ffa <+10>:    call   0xffffffff811b8fd0 <sysfs_emit>
   0xffffffff810b5fff <+15>:    cltq
   0xffffffff810b6001 <+17>:    ret
Signed-off-by: default avatarDavid Disseldorp <ddiss@suse.de>
Reviewed-by: default avatarAaron Tomlin <atomlin@redhat.com>
Reviewed-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: default avatarLuis Chamberlain <mcgrof@kernel.org>
parent beef988c
......@@ -256,7 +256,7 @@ void module_decompress_cleanup(struct load_info *info)
static ssize_t compression_show(struct kobject *kobj,
struct kobj_attribute *attr, char *buf)
{
return sysfs_emit(buf, "%s\n", __stringify(MODULE_COMPRESSION));
return sysfs_emit(buf, __stringify(MODULE_COMPRESSION) "\n");
}
static struct kobj_attribute module_compression_attr = __ATTR_RO(compression);
......
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