linux-kernel - Re: [PATCH 2/3] x86/flush_tlb: try flush_tlb_single one by one in flush_tlb

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Message-ID: <4FA36D3F.6000608@intel.com>
Date:	Fri, 04 May 2012 13:46:39 +0800
From:	Alex Shi <alex.shi@...el.com>
To:	"Ren, Yongjie" <yongjie.ren@...el.com>
CC:	"Kleen, Andi" <andi.kleen@...el.com>,
	"tim.c.chen@...ux.intel.com" <tim.c.chen@...ux.intel.com>,
	"jeremy@...p.org" <jeremy@...p.org>,
	"chrisw@...s-sol.org" <chrisw@...s-sol.org>,
	"akataria@...are.com" <akataria@...are.com>,
	"tglx@...utronix.de" <tglx@...utronix.de>,
	"mingo@...hat.com" <mingo@...hat.com>,
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	"rostedt@...dmis.org" <rostedt@...dmis.org>,
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	"riel@...hat.com" <riel@...hat.com>, "luto@....edu" <luto@....edu>,
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	"Brown, Len" <len.brown@...el.com>,
	"paul.gortmaker@...driver.com" <paul.gortmaker@...driver.com>,
	"dhowells@...hat.com" <dhowells@...hat.com>,
	"Yu, Fenghua" <fenghua.yu@...el.com>,
	"borislav.petkov@....com" <borislav.petkov@....com>,
	"yinghai@...nel.org" <yinghai@...nel.org>,
	"cpw@....com" <cpw@....com>, "steiner@....com" <steiner@....com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/3] x86/flush_tlb: try flush_tlb_single one by one in
 flush_tlb_range

On 05/04/2012 10:24 AM, Ren, Yongjie wrote:

>> Signed-off-by: Alex Shi <alex.shi@...el.com>
>> ---
>>  arch/x86/include/asm/paravirt.h       |    5 +-
>>  arch/x86/include/asm/paravirt_types.h |    3 +-
>>  arch/x86/include/asm/tlbflush.h       |   19 +++----
>>  arch/x86/include/asm/uv/uv.h          |    5 +-
>>  arch/x86/mm/tlb.c                     |   97
>> +++++++++++++++++++++++++++------
>>  arch/x86/platform/uv/tlb_uv.c         |    6 +-
>>  arch/x86/xen/mmu.c                    |    9 ++--
>>  include/trace/events/xen.h            |   12 +++--
>>  8 files changed, 113 insertions(+), 43 deletions(-)
> 
> As the patch series touched some Xen virtualization code, I just did some simple test on Xen and KVM.
> It seems these patches work fine on Xen/KVM virtual side.
> I started an SMP PV guest and an SMP HVM guest on Xen, and an SMP guest on KVM.
> 
> Best Regards,
>      Yongjie (Jay)
> 



Thanks a lot! Yongjie.
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