[PATCH v4 11/11] riscv: Enable DAX VMEMMAP optimization

From: "Björn Töpel" <bjorn@kernel.org>
To: Alexandre Ghiti <alexghiti@rivosinc.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	David Hildenbrand <david@redhat.com>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Paul Walmsley <paul.walmsley@sifive.com>,
	linux-riscv@lists.infradead.org,
	Oscar Salvador <osalvador@suse.de>
Cc: "Lorenzo Stoakes" <lstoakes@gmail.com>,
	"Chethan Seshadri" <Chethan.Seshadri@catalinasystems.io>,
	linux-kernel@vger.kernel.org,
	"Andrew Bresticker" <abrestic@rivosinc.com>,
	"Björn Töpel" <bjorn@rivosinc.com>,
	"Santosh Mamila" <santosh.mamila@catalinasystems.io>,
	linux-mm@kvack.org,
	"Sivakumar Munnangi" <siva.munnangi@catalinasystems.io>,
	virtualization@lists.linux-foundation.org
Subject: [PATCH v4 11/11] riscv: Enable DAX VMEMMAP optimization
Date: Wed,  5 Jun 2024 13:40:54 +0200	[thread overview]
Message-ID: <20240605114100.315918-12-bjorn@kernel.org> (raw)
In-Reply-To: <20240605114100.315918-1-bjorn@kernel.org>

From: Björn Töpel <bjorn@rivosinc.com>

Now that DAX is usable, enable the DAX VMEMMAP optimization as well.

Signed-off-by: Björn Töpel <bjorn@rivosinc.com>
---
 arch/riscv/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 8a49b5f4c017..1631bf568158 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -73,6 +73,7 @@ config RISCV
 	select ARCH_WANT_GENERAL_HUGETLB if !RISCV_ISA_SVNAPOT
 	select ARCH_WANT_HUGE_PMD_SHARE if 64BIT
 	select ARCH_WANT_LD_ORPHAN_WARN if !XIP_KERNEL
+	select ARCH_WANT_OPTIMIZE_DAX_VMEMMAP
 	select ARCH_WANT_OPTIMIZE_HUGETLB_VMEMMAP
 	select ARCH_WANTS_NO_INSTR
 	select ARCH_WANTS_THP_SWAP if HAVE_ARCH_TRANSPARENT_HUGEPAGE
-- 
2.43.0


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