[PATCH v2] hyperv: reduce size of ms_hyperv_info

Olaf Hering posted 1 patch 2 years, 2 months ago
include/asm-generic/mshyperv.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
[PATCH v2] hyperv: reduce size of ms_hyperv_info
Posted by Olaf Hering 2 years, 2 months ago
Use the hole prior shared_gpa_boundary to store the result of get_vtl.
This reduces the size by 8 bytes.

Signed-off-by: Olaf Hering <olaf@aepfle.de>
---
v2: move vtl up, as suggested by Dexuan Cui

 include/asm-generic/mshyperv.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/asm-generic/mshyperv.h b/include/asm-generic/mshyperv.h
index cecd2b7bd033..430f0ae0dde2 100644
--- a/include/asm-generic/mshyperv.h
+++ b/include/asm-generic/mshyperv.h
@@ -36,6 +36,7 @@ struct ms_hyperv_info {
 	u32 nested_features;
 	u32 max_vp_index;
 	u32 max_lp_index;
+	u8 vtl;
 	union {
 		u32 isolation_config_a;
 		struct {
@@ -54,7 +55,6 @@ struct ms_hyperv_info {
 		};
 	};
 	u64 shared_gpa_boundary;
-	u8 vtl;
 };
 extern struct ms_hyperv_info ms_hyperv;
 extern bool hv_nested;
Re: [PATCH v2] hyperv: reduce size of ms_hyperv_info
Posted by Wei Liu 2 years, 2 months ago
On Fri, Sep 22, 2023 at 09:28:40PM +0200, Olaf Hering wrote:
> Use the hole prior shared_gpa_boundary to store the result of get_vtl.
> This reduces the size by 8 bytes.
> 
> Signed-off-by: Olaf Hering <olaf@aepfle.de>

Applied to hyperv-fixes. Thanks.