Re: [PATCH] riscv: Fix compilation error with FAST_GUP and rv32

From: Palmer Dabbelt
Date: Fri Mar 15 2024 - 13:13:50 EST


On Mon, 04 Mar 2024 08:47:43 PST (-0800), rdunlap@xxxxxxxxxxxxx wrote:


On 3/4/24 00:02, Alexandre Ghiti wrote:
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@xxxxxxxxxxxx>


Reviewed-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Tested-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> # build-tested

Sorry for being slow here, I just realized this was a result of a fixes/for-next semantic conflict. So I've merged this (on top of the broken series) into for-next, but I'm going to hold off on sending Linus a PR in order to let it get through the testers.

Thanks.

---
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 25ca14f6942c..54d26a07fa63 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
/*