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authorIngo Molnar <mingo@kernel.org>2015-03-05 02:28:48 -0500
committerIngo Molnar <mingo@kernel.org>2015-03-05 03:23:12 -0500
commitc281b94570ab711fdf21e81bdfb3d79764492bcf (patch)
tree2316728b6d6312d7729a4335206d80a0d18a91a1 /include/linux/init.h
parente61980a70245715ab39cbee2b9d6e6afc1ec37d4 (diff)
init.h: Clean up the __setup()/early_param() macros
Make it all a bit easier on the eyes: - Move the __setup_param() lines right after their init functions - Use consistent vertical spacing - Use more horizontal spacing to make it look like regular C code - Use standard comment style Cc: Luis R. Rodriguez <mcgrof@suse.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Borislav Petkov <bp@alien8.de> Cc: Borislav Petkov <bp@suse.de> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: David Vrabel <david.vrabel@citrix.com> Cc: Dexuan Cui <decui@microsoft.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Jan Beulich <JBeulich@suse.com> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Juergen Gross <jgross@suse.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Pavel Machek <pavel@ucw.cz> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Tony Lindgren <tony@atomide.com> Cc: Toshi Kani <toshi.kani@hp.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Xishi Qiu <qiuxishi@huawei.com> Cc: julia.lawall@lip6.fr Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/init.h')
-rw-r--r--include/linux/init.h49
1 files changed, 27 insertions, 22 deletions
diff --git a/include/linux/init.h b/include/linux/init.h
index bc11ff96f336..21b6d768edd7 100644
--- a/include/linux/init.h
+++ b/include/linux/init.h
@@ -253,34 +253,39 @@ struct obs_kernel_param {
253 * obs_kernel_param "array" too far apart in .init.setup. 253 * obs_kernel_param "array" too far apart in .init.setup.
254 */ 254 */
255#define __setup_param(str, unique_id, fn, early) \ 255#define __setup_param(str, unique_id, fn, early) \
256 static const char __setup_str_##unique_id[] __initconst \ 256 static const char __setup_str_##unique_id[] __initconst \
257 __aligned(1) = str; \ 257 __aligned(1) = str; \
258 static struct obs_kernel_param __setup_##unique_id \ 258 static struct obs_kernel_param __setup_##unique_id \
259 __used __section(.init.setup) \ 259 __used __section(.init.setup) \
260 __attribute__((aligned((sizeof(long))))) \ 260 __attribute__((aligned((sizeof(long))))) \
261 = { __setup_str_##unique_id, fn, early } 261 = { __setup_str_##unique_id, fn, early }
262 262
263#define __setup(str, fn) \ 263#define __setup(str, fn) \
264 __setup_param(str, fn, fn, 0) 264 __setup_param(str, fn, fn, 0)
265 265
266/* NOTE: fn is as per module_param, not __setup! Emits warning if fn 266/*
267 * returns non-zero. */ 267 * NOTE: fn is as per module_param, not __setup!
268#define early_param(str, fn) \ 268 * Emits warning if fn returns non-zero.
269 */
270#define early_param(str, fn) \
269 __setup_param(str, fn, fn, 1) 271 __setup_param(str, fn, fn, 1)
270 272
271#define early_param_on_off(str_on, str_off, var, config) \ 273#define early_param_on_off(str_on, str_off, var, config) \
272 int var = IS_ENABLED(config); \ 274 \
273 static int __init parse_##var##_on(char *arg) \ 275 int var = IS_ENABLED(config); \
274 { \ 276 \
275 var = 1; \ 277 static int __init parse_##var##_on(char *arg) \
276 return 0; \ 278 { \
277 } \ 279 var = 1; \
278 static int __init parse_##var##_off(char *arg) \ 280 return 0; \
279 { \ 281 } \
280 var = 0; \ 282 __setup_param(str_on, parse_##var##_on, parse_##var##_on, 1); \
281 return 0; \ 283 \
282 } \ 284 static int __init parse_##var##_off(char *arg) \
283 __setup_param(str_on, parse_##var##_on, parse_##var##_on, 1); \ 285 { \
286 var = 0; \
287 return 0; \
288 } \
284 __setup_param(str_off, parse_##var##_off, parse_##var##_off, 1) 289 __setup_param(str_off, parse_##var##_off, parse_##var##_off, 1)
285 290
286/* Relies on boot_command_line being set */ 291/* Relies on boot_command_line being set */