From: Marcelo Tosatti <mtosatti@redhat.com>
To: Sheng Yang <sheng@linux.intel.com>
Cc: Avi Kivity <avi@redhat.com>, kvm@vger.kernel.org
Subject: Re: [PATCH 1/3] KVM: Ioctls for init MSI-X entry
Date: Thu, 12 Feb 2009 16:46:24 -0200 [thread overview]
Message-ID: <20090212184624.GB19653@amt.cnet> (raw)
In-Reply-To: <1234433268-1299-1-git-send-email-sheng@linux.intel.com>
On Thu, Feb 12, 2009 at 06:07:48PM +0800, Sheng Yang wrote:
> Introduce KVM_SET_MSIX_NR and KVM_SET_MSIX_ENTRY two ioctls.
>
> This two ioctls are used by userspace to specific guest device MSI-X entry
> number and correlate MSI-X entry with GSI during the initialization stage.
>
> MSI-X should be well initialzed before enabling.
>
> Don't support change MSI-X entry number for now.
>
> Signed-off-by: Sheng Yang <sheng@linux.intel.com>
> + adev->host_msix_entries = kzalloc(sizeof(struct msix_entry) *
> + entry_nr->entry_nr,
> + GFP_KERNEL);
> + if (!adev->host_msix_entries) {
Please verify its within a sane limit. Like the msr entry ioctl code.
Also free host_msix_entries if guest_msix_entries allocation fails.
Otherwise seems OK.
next prev parent reply other threads:[~2009-02-12 18:46 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-11 8:08 [PATCH 0/3 v2] MSI-X enabling Sheng Yang
2009-02-11 8:08 ` [PATCH 1/3] KVM: Ioctls for init MSI-X entry Sheng Yang
2009-02-11 12:44 ` Avi Kivity
2009-02-12 6:28 ` Sheng Yang
2009-02-12 10:07 ` Sheng Yang
2009-02-12 18:46 ` Marcelo Tosatti [this message]
2009-02-16 3:18 ` Sheng Yang
2009-02-16 5:49 ` Sheng Yang
2009-02-16 23:23 ` Marcelo Tosatti
2009-02-17 1:35 ` Sheng Yang
2009-02-17 1:36 ` Sheng Yang
2009-02-11 8:08 ` [PATCH 2/3] KVM: Add gsi_msg_pending_bitmap for MSI-X Sheng Yang
2009-02-12 19:51 ` Marcelo Tosatti
2009-02-13 3:37 ` Sheng Yang
2009-02-13 17:10 ` Marcelo Tosatti
2009-02-17 18:09 ` Avi Kivity
2009-02-18 1:33 ` Sheng Yang
2009-02-11 8:08 ` [PATCH 3/3] KVM: Enable MSI-X for KVM assigned device Sheng Yang
2009-02-11 12:48 ` Avi Kivity
2009-02-12 6:03 ` Sheng Yang
2009-02-12 20:40 ` Marcelo Tosatti
2009-02-13 5:29 ` Sheng Yang
2009-02-13 17:13 ` Marcelo Tosatti
-- strict thread matches above, loose matches on Subject: below --
2009-02-18 9:44 [PATCH 0/3 v3] MSI-X enabling Sheng Yang
2009-02-18 9:44 ` [PATCH 1/3] KVM: Ioctls for init MSI-X entry Sheng Yang
2009-02-18 10:32 ` Avi Kivity
2009-02-25 9:22 [PATCH 0/3 v4][Resend] MSI-X enabling Sheng Yang
2009-02-25 9:22 ` [PATCH 1/3] KVM: Ioctls for init MSI-X entry Sheng Yang
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