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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: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20190330004743.29541-4-andi@firstfloor.org
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1 changed files with 1 additions and 1 deletions
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@ -162,7 +162,7 @@ void __delay(unsigned long loops)
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}
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EXPORT_SYMBOL(__delay);
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void __const_udelay(unsigned long xloops)
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noinline void __const_udelay(unsigned long xloops)
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{
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unsigned long lpj = this_cpu_read(cpu_info.loops_per_jiffy) ? : loops_per_jiffy;
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int d0;
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