From: Sheng Yang <sheng@linux.intel.com>
To: Avi Kivity <avi@redhat.com>
Cc: kvm@vger.kernel.org, Sheng Yang <sheng@linux.intel.com>
Subject: [PATCH] KVM: Downsize max support MSI-X entry to 256
Date: Thu, 21 May 2009 13:50:13 +0800 [thread overview]
Message-ID: <1242885013-32735-1-git-send-email-sheng@linux.intel.com> (raw)
We only trap one page for MSI-X entry now, so it's 4k/(128/8) = 256 entries at
most.
Signed-off-by: Sheng Yang <sheng@linux.intel.com>
---
include/linux/kvm.h | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index 3db5d8d..533e864 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -633,7 +633,7 @@ struct kvm_assigned_msix_nr {
__u16 padding;
};
-#define KVM_MAX_MSIX_PER_DEV 512
+#define KVM_MAX_MSIX_PER_DEV 256
struct kvm_assigned_msix_entry {
__u32 assigned_dev_id;
__u32 gsi;
--
1.5.4.5
next reply other threads:[~2009-05-21 5:48 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-21 5:50 Sheng Yang [this message]
2009-05-26 11:41 ` [PATCH] KVM: Downsize max support MSI-X entry to 256 Avi Kivity
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