All of lore.kernel.org
 help / color / mirror / Atom feed
From: Tamas K Lengyel <tamas.lengyel@intel.com>
To: xen-devel@lists.xenproject.org
Cc: "Tamas K Lengyel" <tamas.lengyel@intel.com>,
	"Tamas K Lengyel" <tamas@tklengyel.com>,
	"Jan Beulich" <jbeulich@suse.com>,
	"Andrew Cooper" <andrew.cooper3@citrix.com>,
	"George Dunlap" <george.dunlap@citrix.com>,
	"Roger Pau Monné" <roger.pau@citrix.com>, "Wei Liu" <wl@xen.org>
Subject: [PATCH v2] x86/mem_sharing: copy cpuid and msrs during vm forking
Date: Tue,  5 Jan 2021 13:58:23 -0800	[thread overview]
Message-ID: <5ceda1696c935730c2b2925e2454a7502c6560f0.1609883742.git.tamas.lengyel@intel.com> (raw)

Signed-off-by: Tamas K Lengyel <tamas.lengyel@intel.com>
---
 xen/arch/x86/mm/mem_sharing.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/xen/arch/x86/mm/mem_sharing.c b/xen/arch/x86/mm/mem_sharing.c
index c428fd16ce..fc7b2a4102 100644
--- a/xen/arch/x86/mm/mem_sharing.c
+++ b/xen/arch/x86/mm/mem_sharing.c
@@ -1764,6 +1764,8 @@ static int fork(struct domain *cd, struct domain *d)
 
         domain_pause(d);
         cd->max_pages = d->max_pages;
+        *cd->arch.cpuid = *d->arch.cpuid;
+        *cd->arch.msrs = *d->arch.msrs;
         cd->parent = d;
     }
 
-- 
2.25.1



                 reply	other threads:[~2021-01-05 21:59 UTC|newest]

Thread overview: [no followups] expand[flat|nested]  mbox.gz  Atom feed

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=5ceda1696c935730c2b2925e2454a7502c6560f0.1609883742.git.tamas.lengyel@intel.com \
    --to=tamas.lengyel@intel.com \
    --cc=andrew.cooper3@citrix.com \
    --cc=george.dunlap@citrix.com \
    --cc=jbeulich@suse.com \
    --cc=roger.pau@citrix.com \
    --cc=tamas@tklengyel.com \
    --cc=wl@xen.org \
    --cc=xen-devel@lists.xenproject.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.