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Groups > linux.kernel > #1215487
| From | Darren Hart <dvhart@infradead.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] thinkpad_acpi: Remove side effects from vdbg_printk -> no_printk macro |
| Date | 2015-08-28 20:00 +0200 |
| Message-ID | <q2w6u-21Z-23@gated-at.bofh.it> (permalink) |
| References | <q1NsJ-55Y-11@gated-at.bofh.it> <q29jB-2Rz-31@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Thu, Aug 27, 2015 at 02:33:06PM -0300, Henrique de Moraes Holschuh wrote:
> On Wed, 26 Aug 2015, Joe Perches wrote:
> > vdbg_printk when not using CONFIG_THINKPAD_ACPI_DEBUG uses
> > no_printk which produces no logging output but always
> > evaluates arguments.
> >
> > Change the macro to surround the no_printk call with
> > do { if (0) no_printk(...); } while (0)
> > to avoid the unnecessary argument evaluations.
> >
> > $ size drivers/platform/x86/thinkpad_acpi.o*
> > text data bss dec hex filename
> > 60918 6184 824 67926 10956 drivers/platform/x86/thinkpad_acpi.o.new
> > 60927 6184 824 67935 1095f drivers/platform/x86/thinkpad_acpi.o.old
> >
> > Signed-off-by: Joe Perches <joe@perches.com>
>
> Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Queued, thanks.
--
Darren Hart
Intel Open Source Technology Center
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[PATCH] thinkpad_acpi: Remove side effects from vdbg_printk -> no_printk macro Joe Perches <joe@perches.com> - 2015-08-26 20:20 +0200
Re: [PATCH] thinkpad_acpi: Remove side effects from vdbg_printk -> no_printk macro Henrique de Moraes Holschuh <hmh@hmh.eng.br> - 2015-08-26 20:30 +0200
Re: [PATCH] thinkpad_acpi: Remove side effects from vdbg_printk -> no_printk macro Joe Perches <joe@perches.com> - 2015-08-26 20:40 +0200
Re: [PATCH] thinkpad_acpi: Remove side effects from vdbg_printk -> no_printk macro Henrique de Moraes Holschuh <hmh@hmh.eng.br> - 2015-08-27 19:40 +0200
Re: [PATCH] thinkpad_acpi: Remove side effects from vdbg_printk -> no_printk macro Henrique de Moraes Holschuh <hmh@hmh.eng.br> - 2015-08-27 19:40 +0200
Re: [PATCH] thinkpad_acpi: Remove side effects from vdbg_printk -> no_printk macro Darren Hart <dvhart@infradead.org> - 2015-08-28 20:00 +0200
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