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authorJoe Perches <joe@perches.com>2015-08-26 11:13:38 -0700
committerDarren Hart <dvhart@linux.intel.com>2015-08-28 10:49:52 -0700
commitefd85cf86a56898686187397adfd52dfac79aff2 (patch)
tree41c940cf0d3c10b23d4e7045ef77cdebb2bc9e75 /Documentation/ioctl
parent2508a45a924dfa4a5f6e60675aa4732d888134a7 (diff)
thinkpad_acpi: Remove side effects from vdbg_printk -> no_printk macro
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> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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