linux-kernel - [PATCH 6.8 668/715] riscv: Fix compilation error with FAST

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Date: Sun, 24 Mar 2024 18:34:07 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Cc: Alexandre Ghiti <alexghiti@...osinc.com>,
	Randy Dunlap <rdunlap@...radead.org>,
	Palmer Dabbelt <palmer@...osinc.com>,
	Sasha Levin <sashal@...nel.org>
Subject: [PATCH 6.8 668/715] riscv: Fix compilation error with FAST_GUP and rv32

From: Alexandre Ghiti <alexghiti@...osinc.com>

[ Upstream commit 2bb7e0c49302feec1c2f777bbfe8726169986ed8 ]

By surrounding the definition of pte_leaf_size() with a ifdef napot as
it should have been.

Fixes: e0fe5ab4192c ("riscv: Fix pte_leaf_size() for NAPOT")
Signed-off-by: Alexandre Ghiti <alexghiti@...osinc.com>
Reviewed-by: Randy Dunlap <rdunlap@...radead.org>
Tested-by: Randy Dunlap <rdunlap@...radead.org> # build-tested
Link: https://lore.kernel.org/r/20240304080247.387710-1-alexghiti@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@...osinc.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/riscv/include/asm/pgtable.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h
index 6066822e7396f..3422ced8a07fd 100644
--- a/arch/riscv/include/asm/pgtable.h
+++ b/arch/riscv/include/asm/pgtable.h
@@ -439,9 +439,11 @@ static inline pte_t pte_mkhuge(pte_t pte)
 	return pte;
 }
 
+#ifdef CONFIG_RISCV_ISA_SVNAPOT
 #define pte_leaf_size(pte)	(pte_napot(pte) ?				\
 					napot_cont_size(napot_cont_order(pte)) :\
 					PAGE_SIZE)
+#endif
 
 #ifdef CONFIG_NUMA_BALANCING
 /*
-- 
2.43.0