Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 1eda75c1 authored by Jon Nettleton's avatar Jon Nettleton Committed by Ingo Molnar
Browse files

x86: Use PentiumPro-optimized partial_csum() on VIA C7 



Testing on the OLPC XO-1.5 (VIA C7-M 1000MHz CPU) shows a partial_csum()
speed increase by a factor of 1.5 when we switch to the Pentium-optimized
version.

Signed-off-by: default avatarDaniel Drake <dsd@laptop.org>
Cc: dilinger@queued.net
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 344c21c3

arch/x86/Kconfig.cpu

+1 −1
Original line number Diff line number Diff line
@@ -371,7 +371,7 @@ config X86_INTEL_USERCOPY 


config X86_USE_PPRO_CHECKSUM

	def_bool y

	depends on MWINCHIP3D || MWINCHIPC6 || MCYRIXIII || MK7 || MK6 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MK8 || MVIAC3_2 || MEFFICEON || MGEODE_LX || MCORE2 || MATOM

	depends on MWINCHIP3D || MWINCHIPC6 || MCYRIXIII || MK7 || MK6 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MK8 || MVIAC3_2 || MVIAC7 || MEFFICEON || MGEODE_LX || MCORE2 || MATOM



config X86_USE_3DNOW

	def_bool y