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[v9,09/15] xen/riscv: add definition of __read_mostly

Message ID 7fa7b60b4b66f2801de28195de8872050643a741.1714988096.git.oleksii.kurochko@gmail.com (mailing list archive)
State Superseded
Headers show
Series Enable build of full Xen for RISC-V | expand

Commit Message

Oleksii Kurochko May 6, 2024, 10:15 a.m. UTC 
The definition of __read_mostly should be removed in:
https://lore.kernel.org/xen-devel/f25eb5c9-7c14-6e23-8535-2c66772b333e@suse.com/

The patch introduces it in arch-specific header to not
block enabling of full Xen build for RISC-V.

Signed-off-by: Oleksii Kurochko <oleksii.kurochko@gmail.com>
---
- [PATCH] move __read_mostly to xen/cache.h  [2]

Right now, the patch series doesn't have a direct dependency on [2] and it
provides __read_mostly in the patch:
    [PATCH v3 26/34] xen/riscv: add definition of __read_mostly
However, it will be dropped as soon as [2] is merged or at least when the
final version of the patch [2] is provided.

Considering that there is still no still final decision regarding patch [2] my suggestion
is to merge RISC-V specific patch and just drop the changes in patch [2].

[2] https://lore.kernel.org/xen-devel/f25eb5c9-7c14-6e23-8535-2c66772b333e@suse.com/
---
Changes in V9:
 - Only rebase was done.
---
Change in V8:
 - update the footer after Signed-off.
---
Changes in V4-V7:
 - Nothing changed. Only rebase.
---
 xen/arch/riscv/include/asm/cache.h | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/xen/arch/riscv/include/asm/cache.h b/xen/arch/riscv/include/asm/cache.h
index 69573eb051..94bd94db53 100644
--- a/xen/arch/riscv/include/asm/cache.h
+++ b/xen/arch/riscv/include/asm/cache.h
@@ -3,4 +3,6 @@ 
 #ifndef _ASM_RISCV_CACHE_H
 #define _ASM_RISCV_CACHE_H
 
+#define __read_mostly __section(".data.read_mostly")
+
 #endif /* _ASM_RISCV_CACHE_H */