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From: Junaid Shahid <junaids@google.com>
To: speck@linutronix.de
Subject: [MODERATED] Re: [PATCH v5 6/8] NX 6
Date: Wed, 9 Oct 2019 15:52:14 -0700	[thread overview]
Message-ID: <8ff30427-c133-ca67-7da1-418069e2797e@google.com> (raw)
In-Reply-To: <973c85efc96c05cba9ddfc2f5bf53c9482801924.camel@decadent.org.uk>

[-- Attachment #1: Type: text/plain, Size: 593 bytes --]

On 10/9/19 3:42 PM, speck for Ben Hutchings wrote:
> 
> I've started trying to backport the NX patches to stable branches, and
> I think I can take them back as far as 4.9.
> 
> However, kvm_mmu_zap_all() is a relatively new addition and looks hard
> to backport.  I intend to make the nx_huge_pages parameter read-only
> (0444 permissions) and delete this "if (new_val != old_val)" block. 
> Does that seem reasonable?
> 

You could also just replace the call to kvm_mmu_zap_all() with kvm_mmu_invalidate_zap_all_pages(), which is present as far back as 3.11

Thanks,
Junaid


  reply	other threads:[~2019-10-09 22:52 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1561989149-17323-1-git-send-email-pbonzini@redhat.com>
     [not found] ` <1561989149-17323-9-git-send-email-pbonzini@redhat.com>
     [not found]   ` <8eab605b-df0e-74d0-e448-986149edf33e@redhat.com>
2019-10-02 20:38     ` [MODERATED] Re: [PATCH v5 8/8] NX 8 Pawan Gupta
2019-10-02 20:59       ` Paolo Bonzini
2019-10-07 19:45         ` Pawan Gupta
2019-10-09  6:13           ` Paolo Bonzini
2019-10-09 14:41             ` Pawan Gupta
2019-10-09 15:10               ` Paolo Bonzini
2019-10-10  5:53                 ` Pawan Gupta
2019-10-10 16:14                   ` Paolo Bonzini
2019-10-10 16:50                     ` Paolo Bonzini
2019-10-10 17:37                       ` Paolo Bonzini
     [not found] ` <1561989149-17323-7-git-send-email-pbonzini@redhat.com>
     [not found]   ` <alpine.DEB.2.21.1907022244530.1802@nanos.tec.linutronix.de>
     [not found]     ` <4c4447ba-838d-cd85-f35b-468508437b61@intel.com>
     [not found]       ` <alpine.DEB.2.21.1907022303250.1802@nanos.tec.linutronix.de>
2019-10-09  0:14         ` [MODERATED] Re: [PATCH v5 6/8] NX 6 Pawan Gupta
2019-10-09 22:42   ` Ben Hutchings
2019-10-09 22:52     ` Junaid Shahid [this message]
2019-10-09 23:05       ` Ben Hutchings
2019-10-09 23:03     ` Kanth Ghatraju
2019-10-09 23:08     ` Paolo Bonzini
2019-10-09 23:20       ` Kanth Ghatraju
2019-10-31 22:54         ` [MODERATED] NX backports (was Re: [PATCH v5 6/8] NX 6) Paolo Bonzini
2019-10-13 22:11       ` [MODERATED] Re: [PATCH v5 6/8] NX 6 Ben Hutchings
2019-10-14  6:57         ` Paolo Bonzini
2019-11-04 19:43         ` mark gross
2019-11-05 12:28           ` [MODERATED] Re: ***UNCHECKED*** " Michal Hocko
2019-11-05 14:53             ` mark gross
2019-11-05 17:03               ` mark gross
2019-10-14 20:46     ` [MODERATED] " Pawan Gupta
2019-10-15  6:24       ` Greg KH
2019-10-15 10:46         ` Jiri Kosina
2019-10-15 21:19           ` Pawan Gupta
2019-10-17 23:50       ` Ben Hutchings
     [not found] ` <1561989149-17323-2-git-send-email-pbonzini@redhat.com>
2019-10-09 23:01   ` [MODERATED] Re: [PATCH v5 1/8] NX 1 Ben Hutchings
2019-10-10  1:33     ` Pawan Gupta

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