From: Olaf Hering <olaf@aepfle.de>
To: linux-hyperv@vger.kernel.org, linux-arch@vger.kernel.org,
linux-kernel@vger.kernel.org
Cc: "K. Y. Srinivasan" <kys@microsoft.com>,
Haiyang Zhang <haiyangz@microsoft.com>,
Wei Liu <wei.liu@kernel.org>, Dexuan Cui <decui@microsoft.com>,
Arnd Bergmann <arnd@arndb.de>
Subject: [PATCH v2] hyperv: reduce size of ms_hyperv_info
Date: Fri, 22 Sep 2023 21:28:40 +0200 [thread overview]
Message-ID: <20230922192840.3886-1-olaf@aepfle.de> (raw)
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;
next reply other threads:[~2023-09-22 19:31 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-22 19:28 Olaf Hering [this message]
2023-09-22 20:28 ` Wei Liu
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