From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andy Lutomirski Subject: [RFC 0/2] x86, vdso, pvclock: Cleanups and speedups Date: Mon, 22 Dec 2014 16:39:55 -0800 Message-ID: Cc: Gleb Natapov , kvm list , "linux-kernel@vger.kernel.org" , "xen-devel@lists.xenproject.org" , Andy Lutomirski To: Paolo Bonzini , Marcelo Tosatti Return-path: Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.vger.kernel.org This is a dramatic simplification and speedup of the vdso pvclock read code. Is it correct? Andy Lutomirski (2): x86, vdso: Use asm volatile in __getcpu x86, vdso, pvclock: Simplify and speed up the vdso pvclock reader arch/x86/include/asm/vgtod.h | 6 ++-- arch/x86/vdso/vclock_gettime.c | 82 ++++++++++++++++++++++++------------------ 2 files changed, 51 insertions(+), 37 deletions(-) -- 2.1.0