* [PATCH] riscv: Remove the PER_CPU_OFFSET_SHIFT macro
@ 2025-10-15 22:56 Samuel Holland
2025-10-18 16:01 ` patchwork-bot+linux-riscv
0 siblings, 1 reply; 2+ messages in thread
From: Samuel Holland @ 2025-10-15 22:56 UTC (permalink / raw)
To: Palmer Dabbelt, Paul Walmsley
Cc: linux-riscv, Samuel Holland, Albert Ou, Alexandre Ghiti,
Charlie Jenkins, Radim Krčmář,
Thomas Huth, linux-kernel
__per_cpu_offset is an array of unsigned long, so we can reuse the
existing RISCV_LGPTR macro.
Signed-off-by: Samuel Holland <samuel.holland@sifive.com>
---
arch/riscv/include/asm/asm.h | 8 +-------
1 file changed, 1 insertion(+), 7 deletions(-)
diff --git a/arch/riscv/include/asm/asm.h b/arch/riscv/include/asm/asm.h
index 8bd2a11382a3..ac28066bb564 100644
--- a/arch/riscv/include/asm/asm.h
+++ b/arch/riscv/include/asm/asm.h
@@ -84,15 +84,9 @@
.endm
#ifdef CONFIG_SMP
-#ifdef CONFIG_32BIT
-#define PER_CPU_OFFSET_SHIFT 2
-#else
-#define PER_CPU_OFFSET_SHIFT 3
-#endif
-
.macro asm_per_cpu dst sym tmp
lw \tmp, TASK_TI_CPU_NUM(tp)
- slli \tmp, \tmp, PER_CPU_OFFSET_SHIFT
+ slli \tmp, \tmp, RISCV_LGPTR
la \dst, __per_cpu_offset
add \dst, \dst, \tmp
REG_L \tmp, 0(\dst)
--
2.47.2
base-commit: 5a6f65d1502551f84c158789e5d89299c78907c7
branch: up/percpu-shift
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] riscv: Remove the PER_CPU_OFFSET_SHIFT macro
2025-10-15 22:56 [PATCH] riscv: Remove the PER_CPU_OFFSET_SHIFT macro Samuel Holland
@ 2025-10-18 16:01 ` patchwork-bot+linux-riscv
0 siblings, 0 replies; 2+ messages in thread
From: patchwork-bot+linux-riscv @ 2025-10-18 16:01 UTC (permalink / raw)
To: Samuel Holland
Cc: linux-riscv, palmer, pjw, aou, alex, charlie, rkrcmar, thuth,
linux-kernel
Hello:
This patch was applied to riscv/linux.git (fixes)
by Paul Walmsley <pjw@kernel.org>:
On Wed, 15 Oct 2025 15:56:00 -0700 you wrote:
> __per_cpu_offset is an array of unsigned long, so we can reuse the
> existing RISCV_LGPTR macro.
>
> Signed-off-by: Samuel Holland <samuel.holland@sifive.com>
> ---
>
> arch/riscv/include/asm/asm.h | 8 +-------
> 1 file changed, 1 insertion(+), 7 deletions(-)
Here is the summary with links:
- riscv: Remove the PER_CPU_OFFSET_SHIFT macro
https://git.kernel.org/riscv/c/768e054de01b
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
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^ permalink raw reply [flat|nested] 2+ messages in thread
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2025-10-18 16:01 ` patchwork-bot+linux-riscv
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