[PATCH 0/5] x86 optimizations

From: Peter Zijlstra
Date: Fri Mar 17 2017 - 17:31:43 EST

Next message: Peter Zijlstra: "[PATCH 4/5] refcount: Use atomic_try_cmpxchg()"
Previous message: Peter Zijlstra: "[PATCH 5/5] x86,atomic: Use atomic_try_cmpxchg"
Next in thread: Peter Zijlstra: "[PATCH 5/5] x86,atomic: Use atomic_try_cmpxchg"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

Hi,

These are the x86 optimization patches that I've been sitting on.

They shrink the kernel and generate better code.

text data bss dec hex filename

10702123 4530992 843776 16076891 f5505b defconfig-build/vmlinux.0
10682460 4530992 843776 16057228 f5038c defconfig-build/vmlinux.1
10665111 4530096 843776 16038983 f4bc47 defconfig-build/vmlinux.2
10665111 4530096 843776 16038983 f4bc47 defconfig-build/vmlinux.5

As compiled on an x86_64 using GCC-6.3, also boot tested the lot.

Next message: Peter Zijlstra: "[PATCH 4/5] refcount: Use atomic_try_cmpxchg()"
Previous message: Peter Zijlstra: "[PATCH 5/5] x86,atomic: Use atomic_try_cmpxchg"
Next in thread: Peter Zijlstra: "[PATCH 5/5] x86,atomic: Use atomic_try_cmpxchg"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]