linux-kernel - [PATCH 5.17 596/772] RISC-V: Fix the XIP build

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Date:   Tue,  7 Jun 2022 19:03:08 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Guo Ren <guoren@...nel.org>,
        Palmer Dabbelt <palmer@...osinc.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.17 596/772] RISC-V: Fix the XIP build

From: Palmer Dabbelt <palmer@...osinc.com>

[ Upstream commit d9e418d0ca1c464fe361468b772d4aa870d54e63 ]

A handful of functions unused functions were enabled during XIP builds,
which themselves didn't build correctly.  This just disables the
functions entirely.

Fixes: e8a62cc26ddf ("riscv: Implement sv48 support")
Reviewed-by: Guo Ren <guoren@...nel.org>
Link: https://lore.kernel.org/r/20220420184056.7886-5-palmer@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@...osinc.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/riscv/mm/init.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
index 697a9aed4f77..e42c51196995 100644
--- a/arch/riscv/mm/init.c
+++ b/arch/riscv/mm/init.c
@@ -591,7 +591,7 @@ static __init pgprot_t pgprot_from_va(uintptr_t va)
 }
 #endif /* CONFIG_STRICT_KERNEL_RWX */
 
-#ifdef CONFIG_64BIT
+#if defined(CONFIG_64BIT) && !defined(CONFIG_XIP_KERNEL)
 static void __init disable_pgtable_l4(void)
 {
 	pgtable_l4_enabled = false;
-- 
2.35.1