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Message-Id: <20240522054507.3941595-1-xiao.w.wang@intel.com>
Date: Wed, 22 May 2024 13:45:07 +0800
From: Xiao Wang <xiao.w.wang@...el.com>
To: paul.walmsley@...ive.com,
palmer@...belt.com,
aou@...s.berkeley.edu,
luke.r.nels@...il.com,
xi.wang@...il.com,
bjorn@...nel.org
Cc: ast@...nel.org,
daniel@...earbox.net,
andrii@...nel.org,
martin.lau@...ux.dev,
eddyz87@...il.com,
song@...nel.org,
yonghong.song@...ux.dev,
john.fastabend@...il.com,
kpsingh@...nel.org,
sdf@...gle.com,
haoluo@...gle.com,
jolsa@...nel.org,
linux-riscv@...ts.infradead.org,
linux-kernel@...r.kernel.org,
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haicheng.li@...el.com,
Xiao Wang <xiao.w.wang@...el.com>
Subject: [PATCH] riscv, bpf: Use STACK_ALIGN macro for size rounding up
Use the macro STACK_ALIGN that is defined in asm/processor.h for stack size
rounding up, just like bpf_jit_comp32.c does.
Signed-off-by: Xiao Wang <xiao.w.wang@...el.com>
---
arch/riscv/net/bpf_jit_comp64.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/riscv/net/bpf_jit_comp64.c b/arch/riscv/net/bpf_jit_comp64.c
index 39149ad002da..bd869d41612f 100644
--- a/arch/riscv/net/bpf_jit_comp64.c
+++ b/arch/riscv/net/bpf_jit_comp64.c
@@ -858,7 +858,7 @@ static int __arch_prepare_bpf_trampoline(struct bpf_tramp_image *im,
stack_size += 8;
sreg_off = stack_size;
- stack_size = round_up(stack_size, 16);
+ stack_size = round_up(stack_size, STACK_ALIGN);
if (!is_struct_ops) {
/* For the trampoline called from function entry,
@@ -1723,7 +1723,7 @@ void bpf_jit_build_prologue(struct rv_jit_context *ctx, bool is_subprog)
{
int i, stack_adjust = 0, store_offset, bpf_stack_adjust;
- bpf_stack_adjust = round_up(ctx->prog->aux->stack_depth, 16);
+ bpf_stack_adjust = round_up(ctx->prog->aux->stack_depth, STACK_ALIGN);
if (bpf_stack_adjust)
mark_fp(ctx);
@@ -1743,7 +1743,7 @@ void bpf_jit_build_prologue(struct rv_jit_context *ctx, bool is_subprog)
if (seen_reg(RV_REG_S6, ctx))
stack_adjust += 8;
- stack_adjust = round_up(stack_adjust, 16);
+ stack_adjust = round_up(stack_adjust, STACK_ALIGN);
stack_adjust += bpf_stack_adjust;
store_offset = stack_adjust - 8;
--
2.25.1
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