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[PATCH v3 4/4] xen/arm64: constify is_32/64bit_domain() macro for CONFIG_ARM64_AARCH32=n
- To: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Grygorii Strashko <grygorii_strashko@xxxxxxxx>
- Date: Thu, 11 Sep 2025 08:20:36 +0000
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- Cc: Grygorii Strashko <grygorii_strashko@xxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>
- Delivery-date: Thu, 11 Sep 2025 08:20:53 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
- Thread-index: AQHcIvTz7sirpn6LKUO7dGx//UyGtQ==
- Thread-topic: [PATCH v3 4/4] xen/arm64: constify is_32/64bit_domain() macro for CONFIG_ARM64_AARCH32=n
From: Grygorii Strashko <grygorii_strashko@xxxxxxxx>
Constify is_32/64bit_domain() macro for the case CONFIG_ARM64_AARCH32=n and
so allow compiler to opt out Aarch32 specific code.
Before (CONFIG_ARM64_AARCH32=y):
text data bss dec hex filename
861672 322412 274976 1459060 164374 xen-syms-before
After (CONFIG_ARM64_AARCH32=n):
text data bss dec hex filename
857856 322412 274976 1455244 16348c xen-syms-after
Signed-off-by: Grygorii Strashko <grygorii_strashko@xxxxxxxx>
Reviewed-by: Volodymyr Babchuk <volodymyr_babchuk@xxxxxxxx>
---
v3:
- no changes, add tag
v2:
- use IS_ENABLED(CONFIG_ARM64_AARCH32) instead of ifdefs
xen/arch/arm/include/asm/arm64/domain.h | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/xen/arch/arm/include/asm/arm64/domain.h
b/xen/arch/arm/include/asm/arm64/domain.h
index 99c6c97a8057..139d3ce0dd53 100644
--- a/xen/arch/arm/include/asm/arm64/domain.h
+++ b/xen/arch/arm/include/asm/arm64/domain.h
@@ -12,14 +12,16 @@ struct kernel_info;
*
* @d: pointer to the domain structure
*/
-#define is_32bit_domain(d) ((d)->arch.type == DOMAIN_32BIT)
+#define is_32bit_domain(d)
\
+ (IS_ENABLED(CONFIG_ARM64_AARCH32) && (d)->arch.type == DOMAIN_32BIT)
/*
* Returns true if guest execution state is AArch64
*
* @d: pointer to the domain structure
*/
-#define is_64bit_domain(d) ((d)->arch.type == DOMAIN_64BIT)
+#define is_64bit_domain(d)
\
+ (!IS_ENABLED(CONFIG_ARM64_AARCH32) || (d)->arch.type == DOMAIN_64BIT)
/*
* Arm64 declares AArch32 (32bit) Execution State support in the
--
2.34.1
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