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[Xen-devel] [PATCH 2/2] x86/pvshim: use 2M alignment
- To: <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Wei Liu <wei.liu2@xxxxxxxxxx>
- Date: Mon, 18 Mar 2019 14:57:19 +0000
- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Wei Liu <wei.liu2@xxxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Delivery-date: Mon, 18 Mar 2019 14:57:31 +0000
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- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
The pvshim is loaded directly by toolstack. Use 2M alignment for
potential better performance.
Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
---
xen/arch/x86/configs/pvshim_defconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/xen/arch/x86/configs/pvshim_defconfig
b/xen/arch/x86/configs/pvshim_defconfig
index a12e3d0465..8e50b60cda 100644
--- a/xen/arch/x86/configs/pvshim_defconfig
+++ b/xen/arch/x86/configs/pvshim_defconfig
@@ -5,6 +5,7 @@ CONFIG_PVH_GUEST=y
CONFIG_PV_SHIM=y
CONFIG_PV_SHIM_EXCLUSIVE=y
CONFIG_NR_CPUS=32
+CONFIG_XEN_ALIGN_2M=y
# Disable features not used by the PV shim
# CONFIG_SHADOW_PAGING is not set
# CONFIG_BIGMEM is not set
--
2.20.1
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