* [PATCH v2] hyperv: reduce size of ms_hyperv_info
@ 2023-09-22 19:28 Olaf Hering
2023-09-22 20:28 ` Wei Liu
0 siblings, 1 reply; 2+ messages in thread
From: Olaf Hering @ 2023-09-22 19:28 UTC (permalink / raw)
To: linux-hyperv, linux-arch, linux-kernel
Cc: K. Y. Srinivasan, Haiyang Zhang, Wei Liu, Dexuan Cui, Arnd Bergmann
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;
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH v2] hyperv: reduce size of ms_hyperv_info
2023-09-22 19:28 [PATCH v2] hyperv: reduce size of ms_hyperv_info Olaf Hering
@ 2023-09-22 20:28 ` Wei Liu
0 siblings, 0 replies; 2+ messages in thread
From: Wei Liu @ 2023-09-22 20:28 UTC (permalink / raw)
To: Olaf Hering
Cc: linux-hyperv, linux-arch, linux-kernel, K. Y. Srinivasan,
Haiyang Zhang, Wei Liu, Dexuan Cui, Arnd Bergmann
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.
^ permalink raw reply [flat|nested] 2+ messages in thread
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2023-09-22 19:28 [PATCH v2] hyperv: reduce size of ms_hyperv_info Olaf Hering
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