Messages in this thread Patch in this message | | | From | "Luis R. Rodriguez" <> | Subject | [PATCH v4 3/8] init.h: add early_param_on() and early_param_off() | Date | Wed, 29 Apr 2015 14:44:22 -0700 |
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From: "Luis R. Rodriguez" <mcgrof@suse.com>
At times all we need is an enabler / disabler.
Cc: Andy Walls <awalls@md.metrocast.net> Cc: Doug Ledford <dledford@redhat.com> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Juergen Gross <jgross@suse.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Dave Airlie <airlied@redhat.com> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Borislav Petkov <bp@suse.de> Cc: Michael S. Tsirkin <mst@redhat.com> Cc: linux-kernel@vger.kernel.org Cc: x86@kernel.org Signed-off-by: Luis R. Rodriguez <mcgrof@suse.com> --- include/linux/init.h | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+)
diff --git a/include/linux/init.h b/include/linux/init.h index a0385cc..7773883 100644 --- a/include/linux/init.h +++ b/include/linux/init.h @@ -270,6 +270,29 @@ struct obs_kernel_param { #define early_param(str, fn) \ __setup_param(str, fn, fn, 1) +#define early_param_on(str_on, var, config) \ + \ + int __read_mostly var = IS_ENABLED(config); \ + \ + static int __init parse_##var##_on(char *arg) \ + { \ + var = 1; \ + return 0; \ + } \ + __setup_param(str_on, parse_##var##_on, parse_##var##_on, 1); \ + \ + +#define early_param_off(str_off, var, config) \ + \ + int __read_mostly var = IS_ENABLED(config); \ + \ + static int __init parse_##var##_off(char *arg) \ + { \ + var = 0; \ + return 0; \ + } \ + __setup_param(str_off, parse_##var##_off, parse_##var##_off, 1) + #define early_param_on_off(str_on, str_off, var, config) \ \ int __read_mostly var = IS_ENABLED(config); \ -- 2.3.2.209.gd67f9d5.dirty
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