Commit 81423c37 authored by Andi Kleen's avatar Andi Kleen Committed by Thomas Gleixner

x86/timer: Don't inline __const_udelay()

LTO will happily inline __const_udelay() everywhere it is used.  Forcing it
noinline saves ~44k text in a LTO build.

13999560        1740864 1499136 17239560        1070e08 vmlinux-with-udelay-inline
13954764        1736768 1499136 17190668        1064f0c vmlinux-wo-udelay-inline

Even without LTO this function should never be inlined.
Signed-off-by: default avatarAndi Kleen <ak@linux.intel.com>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20190330004743.29541-4-andi@firstfloor.org
parent 0f0b7e1c
......@@ -162,7 +162,7 @@ void __delay(unsigned long loops)
}
EXPORT_SYMBOL(__delay);
void __const_udelay(unsigned long xloops)
noinline void __const_udelay(unsigned long xloops)
{
unsigned long lpj = this_cpu_read(cpu_info.loops_per_jiffy) ? : loops_per_jiffy;
int d0;
......
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