On 12/05/2013 08:08 AM, Paolo Bonzini wrote: > Il 02/12/2013 17:43, Liu, Jinsong ha scritto: >> From fbfa537f690eca139a96c6b2636ab5130bf57716 Mon Sep 17 00:00:00 2001 >> From: Liu Jinsong <jinsong.liu@xxxxxxxxx> >> Date: Fri, 29 Nov 2013 01:27:00 +0800 >> Subject: [PATCH 1/4] X86: Intel MPX definiation >> >> Signed-off-by: Xudong Hao <xudong.hao@xxxxxxxxx> >> Signed-off-by: Liu Jinsong <jinsong.liu@xxxxxxxxx> >> --- >> arch/x86/include/asm/cpufeature.h | 2 ++ >> arch/x86/include/asm/xsave.h | 5 ++++- >> 2 files changed, 6 insertions(+), 1 deletions(-) >> > > hpa/Ingo/Thomas, can you give your Acked-by for this patch? > > I'm not sure of the consequences of changing XCNTXT_MASK. This series > (which was submitted with the wrong threading) wants it so that KVM can > use fpu_save_init and fpu_restore_checking to save and restore the MPX > state of the guest. > Hi, I'm currently reviewing internally another set of patches for MPX support which would at least in part conflict with these. I don't see the rest of the series -- where was it posted? Either way: 1. asm/cpufeatures.h patches should always be separate, as we put those into a special branch into the -tip tree since they touch so many other things. 2. Enabling MPX is only safe with XSTATE_EAGER, which Qiaowei's patchset has done correctly. -hpa -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
