linux-kernel - [PATCH] riscv: vector: Fixup modules compile error

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Message-Id: <20230529073845.2859178-1-guoren@kernel.org>
Date:   Mon, 29 May 2023 03:38:45 -0400
From:   guoren@...nel.org
To:     guoren@...nel.org, greentime.hu@...ive.com,
        vincent.chen@...ive.com, andy.chiu@...ive.com,
        paul.walmsley@...ive.com, palmer@...osinc.com
Cc:     linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Guo Ren <guoren@...ux.alibaba.com>
Subject: [PATCH] riscv: vector: Fixup modules compile error

From: Guo Ren <guoren@...ux.alibaba.com>

Some .ko also need the riscv_v_user_allowed symbol.

ERROR: modpost: "riscv_v_user_allowed" [arch/riscv/kvm/kvm.ko]
undefined!
make[3]: ***
[/home/guoren/source/kernel/linux/scripts/Makefile.modpost:136:
Module.symvers] Error 1

Signed-off-by: Guo Ren <guoren@...ux.alibaba.com>
Signed-off-by: Guo Ren <guoren@...nel.org>
---
 arch/riscv/kernel/vector.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/riscv/kernel/vector.c b/arch/riscv/kernel/vector.c
index 1c4ac821e008..3ae08816d608 100644
--- a/arch/riscv/kernel/vector.c
+++ b/arch/riscv/kernel/vector.c
@@ -129,6 +129,7 @@ bool riscv_v_user_allowed(void)
 {
 	return riscv_v_get_cur_ctrl(current) == PR_RISCV_V_VSTATE_CTRL_ON;
 }
+EXPORT_SYMBOL(riscv_v_user_allowed);
 
 bool riscv_v_first_use_handler(struct pt_regs *regs)
 {
-- 
2.36.1