From: Wei Liu <wei.liu2@citrix.com>
To: Alexandru Isaila <aisaila@bitdefender.com>
Cc: tim@xen.org, sstabellini@kernel.org, wei.liu2@citrix.com,
rcojocaru@bitdefender.com, George.Dunlap@eu.citrix.com,
andrew.cooper3@citrix.com, ian.jackson@eu.citrix.com,
xen-devel@lists.xen.org, tamas@tklengyel.com, jbeulich@suse.com
Subject: Re: [PATCH v2] x86/mm: Suppresses vm_events caused by page-walks
Date: Fri, 23 Feb 2018 17:46:58 +0000 [thread overview]
Message-ID: <20180223174658.vmb2uajv5epf6tn2@citrix.com> (raw)
In-Reply-To: <1515415784-28744-1-git-send-email-aisaila@bitdefender.com>
On Mon, Jan 08, 2018 at 02:49:44PM +0200, Alexandru Isaila wrote:
> This patch is adding a way to enable/disable nested pagefault
> events. It introduces the xc_monitor_nested_pagefault function
> and adds the nested_pagefault_disabled in the monitor structure.
> This is needed by the introspection so it will only get gla
> faults and not get spammed with other faults.
> In p2m_set_ad_bits the v->arch.sse_pg_dirty.eip and
> v->arch.sse_pg_dirty.gla are used to mark that this is the
> second time a fault occurs and the dirty bit is set.
>
> Signed-off-by: Alexandru Isaila <aisaila@bitdefender.com>
>
> ---
> Changes since V1:
> - Rb V1
> - Add comment in domctl.h
> ---
> tools/libxc/include/xenctrl.h | 2 ++
> tools/libxc/xc_monitor.c | 14 ++++++++++++++
These changes look sensible to me.
> xen/arch/x86/mm/mem_access.c | 27 +++++++++++++++++++++++++++
> xen/arch/x86/monitor.c | 13 +++++++++++++
> xen/include/asm-x86/domain.h | 6 ++++++
> xen/include/asm-x86/monitor.h | 3 ++-
> xen/include/public/domctl.h | 2 ++
You might want to bump domctl version number it is has been done already
in this release.
Wei.
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next prev parent reply other threads:[~2018-02-23 17:46 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-08 12:49 [PATCH v2] x86/mm: Suppresses vm_events caused by page-walks Alexandru Isaila
2018-02-20 12:34 ` Ping: " Alexandru Stefan ISAILA
2018-02-23 17:46 ` Wei Liu [this message]
2018-02-26 8:15 ` Jan Beulich
2018-02-23 22:06 ` Tamas K Lengyel
2018-02-23 22:25 ` Razvan Cojocaru
2018-02-23 22:31 ` Tamas K Lengyel
2018-02-23 22:36 ` Razvan Cojocaru
2018-09-12 9:47 Alexandru Isaila
2018-09-13 14:17 ` Jan Beulich
2018-09-18 9:47 ` Isaila Alexandru
2018-09-18 10:17 ` Jan Beulich
2018-09-18 18:20 ` Andrew Cooper
2018-09-18 18:58 ` Razvan Cojocaru
2018-09-19 8:53 ` Jan Beulich
2018-09-19 13:41 ` Andrew Cooper
2018-09-19 14:31 ` Jan Beulich
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