From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: Igor Mammedov <imammedo@redhat.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/3] xen: off by one error in xen/setup.c
Date: Tue, 2 Aug 2011 13:07:10 -0400 [thread overview]
Message-ID: <20110802170710.GS11133@dumpdata.com> (raw)
In-Reply-To: <1312278325-4246-2-git-send-email-imammedo@redhat.com>
On Tue, Aug 02, 2011 at 11:45:23AM +0200, Igor Mammedov wrote:
> Do not try to initialize pfn beyond of available address space.
>
> Signed-off-by: Igor Mammedov <imammedo@redhat.com>
> ---
> arch/x86/xen/setup.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
> index 60aeeb5..2221b05 100644
> --- a/arch/x86/xen/setup.c
> +++ b/arch/x86/xen/setup.c
> @@ -69,7 +69,7 @@ static void __init xen_add_extra_mem(unsigned long pages)
>
> xen_max_p2m_pfn = PFN_DOWN(extra_start + size);
>
> - for (pfn = PFN_DOWN(extra_start); pfn <= xen_max_p2m_pfn; pfn++)
> + for (pfn = PFN_DOWN(extra_start); pfn < xen_max_p2m_pfn; ++pfn)
> __set_phys_to_machine(pfn, INVALID_P2M_ENTRY);
Did this actually break anything?
> }
>
> --
> 1.7.5
>
> --
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next prev parent reply other threads:[~2011-08-02 17:07 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-02 9:45 [PATCH 0/3] xen: small fixes and cleanups at arch/x86/xen/setup.c Igor Mammedov
2011-08-02 9:45 ` [PATCH 1/3] xen: off by one error in xen/setup.c Igor Mammedov
2011-08-02 17:07 ` Konrad Rzeszutek Wilk [this message]
2011-08-03 5:33 ` Igor Mammedov
2011-08-03 6:23 ` Jesper Juhl
2011-08-03 6:31 ` Igor Mammedov
2011-08-09 16:55 ` Konrad Rzeszutek Wilk
2011-08-02 9:45 ` [PATCH 2/3] xen: Fix printk() format " Igor Mammedov
2011-08-02 9:45 ` [PATCH 3/3] xen: Fix misleading WARN message at xen_release_chunk Igor Mammedov
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