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[PATCH v2 1/3] arm/nospec: Make nospec helpers always_inline
- To: <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Alejandro Vallejo <alejandro.garciavallejo@xxxxxxx>
- Date: Wed, 7 Oct 2026 16:31:06 +0200
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- Cc: Alejandro Vallejo <alejandro.garciavallejo@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, "Volodymyr Babchuk" <Volodymyr_Babchuk@xxxxxxxx>
- Delivery-date: Wed, 07 Oct 2026 14:31:43 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
While today they don't implement fencing in a way that would block
speculation, once/if they do they'll absolutely need to be inlined, even
if -fno-inline is passed.
Signed-off-by: Alejandro Vallejo <alejandro.garciavallejo@xxxxxxx>
Reviewed-by: Michal Orzel <michal.orzel@xxxxxxx>
---
v2:
* Removed -fno-early-inlining from the commit message.
---
xen/arch/arm/include/asm/nospec.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/xen/arch/arm/include/asm/nospec.h
b/xen/arch/arm/include/asm/nospec.h
index 9c70eed605..ef0d8ddd01 100644
--- a/xen/arch/arm/include/asm/nospec.h
+++ b/xen/arch/arm/include/asm/nospec.h
@@ -12,12 +12,12 @@
# error "unknown ARM variant"
#endif
-static inline bool evaluate_nospec(bool condition)
+static always_inline bool evaluate_nospec(bool condition)
{
return condition;
}
-static inline void block_speculation(void)
+static always_inline void block_speculation(void)
{
}
--
2.43.0
|
