From: Igor Mammedov <imammedo@redhat.com>
To: linux-kernel@vger.kernel.org
Cc: mtosatti@redhat.com, tglx@linutronix.de, mingo@redhat.com,
hpa@zytor.com, kvm@vger.kernel.org, x86@kernel.org,
pbonzini@redhat.com, eabatalov89@gmail.com
Subject: [PATCH 0/2 v2] x86: kvmclock: Prevent uninitialized per-cpu kvmclock usage
Date: Fri, 21 Jun 2013 11:01:19 +0200 [thread overview]
Message-ID: <1371805281-21305-1-git-send-email-imammedo@redhat.com> (raw)
In-Reply-To: <bug-59521-28872@https.bugzilla.kernel.org/>
Fixes regression introduced by
7069ed6 x86: kvmclock: allocate pvclock shared memory area
and reported by Eugene:
https://bugzilla.kernel.org/show_bug.cgi?id=59521
v2:
- "[1/2] x86: kvmclock: zero initialize pvclock shared memory area"
added to commit messaged another reason why it's clearing
is necessary.
- added "[2/2] x86: kvmclock: register per-cpu kvmclock at earliest possible time"
to register clock earlier.
Igor Mammedov (2):
x86: kvmclock: zero initialize pvclock shared memory area
x86: kvmclock: register per-cpu kvmclock at earliest possible time
arch/x86/kernel/kvmclock.c | 12 ++++++++++--
arch/x86/kernel/smpboot.c | 2 +-
arch/x86/mm/pageattr.c | 4 ++--
3 files changed, 13 insertions(+), 5 deletions(-)
next prev parent reply other threads:[~2013-06-21 9:02 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-59521-28872@https.bugzilla.kernel.org/>
2013-06-10 16:31 ` [PATCH] x86: kvmclock: zero initialize pvclock shared memory area Igor Mammedov
2013-06-10 20:19 ` Marcelo Tosatti
2013-06-15 18:01 ` [PATCHv1] kvm guest: fix uninitialized kvmclock read by KVM guest Eugene Batalov
2013-06-18 22:21 ` Marcelo Tosatti
2013-06-19 13:05 ` Paolo Bonzini
[not found] ` <CAJF2t5sYHy9q9a7-fZauf1Z7_FkK1_DOP13GHji=8-vDUsnnsQ@mail.gmail.com>
2013-06-19 13:29 ` Paolo Bonzini
2013-06-20 8:30 ` Igor Mammedov
2013-06-20 8:35 ` Paolo Bonzini
2013-06-21 9:01 ` Igor Mammedov [this message]
2013-06-21 9:01 ` [PATCH 1/2] x86: kvmclock: zero initialize pvclock shared memory area Igor Mammedov
2013-06-21 9:01 ` [PATCH 2/2] x86: kvmclock: register per-cpu kvmclock at earliest possible time Igor Mammedov
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