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From: Alexandre Ghiti <alexghiti@rivosinc.com>
To: Paul Walmsley <paul.walmsley@sifive.com>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	Alexandre Ghiti <alexghiti@rivosinc.com>,
	Dennis Zhou <dennis@kernel.org>,
	linux-riscv@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH] riscv: Fix wrong size passed to local_flush_tlb_range_asid()
Date: Tue, 23 Jan 2024 14:27:30 +0100
Message-Id: <20240123132730.2297719-1-alexghiti@rivosinc.com>
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local_flush_tlb_range_asid() takes the size as argument, not the end of
the range to flush, so fix this by computing the size from the end and
the start of the range.

Fixes: 7a92fc8b4d20 ("mm: Introduce flush_cache_vmap_early()")
Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
---
 arch/riscv/mm/tlbflush.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/riscv/mm/tlbflush.c b/arch/riscv/mm/tlbflush.c
index 8d12b26f5ac3..9619965f6501 100644
--- a/arch/riscv/mm/tlbflush.c
+++ b/arch/riscv/mm/tlbflush.c
@@ -68,7 +68,7 @@ static inline void local_flush_tlb_range_asid(unsigned long start,
 
 void local_flush_tlb_kernel_range(unsigned long start, unsigned long end)
 {
-	local_flush_tlb_range_asid(start, end, PAGE_SIZE, FLUSH_TLB_NO_ASID);
+	local_flush_tlb_range_asid(start, end - start, PAGE_SIZE, FLUSH_TLB_NO_ASID);
 }
 
 static void __ipi_flush_tlb_all(void *info)
-- 
2.39.2