linux-kernel - [PATCH] riscv: Select ARCH_HAS_DEBUG_VM

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Message-Id: <20200714212611.19692-1-kernel@esmil.dk>
Date:   Tue, 14 Jul 2020 23:26:11 +0200
From:   Emil Renner Berthing <kernel@...il.dk>
To:     linux-riscv@...ts.infradead.org
Cc:     Emil Renner Berthing <kernel@...il.dk>,
        Palmer Dabbelt <palmer@...belt.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Anshuman Khandual <anshuman.khandual@....com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH] riscv: Select ARCH_HAS_DEBUG_VM_PGTABLE

This allows the pgtable tests to be built.

Signed-off-by: Emil Renner Berthing <kernel@...il.dk>
---

The tests seem to succeed both in Qemu and on the HiFive Unleashed

Both with and without the recent additions in
https://lore.kernel.org/linux-riscv/1594610587-4172-1-git-send-email-anshuman.khandual@arm.com/

 Documentation/features/debug/debug-vm-pgtable/arch-support.txt | 2 +-
 arch/riscv/Kconfig                                             | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/Documentation/features/debug/debug-vm-pgtable/arch-support.txt b/Documentation/features/debug/debug-vm-pgtable/arch-support.txt
index c527d05c0459..c9a764c3c795 100644
--- a/Documentation/features/debug/debug-vm-pgtable/arch-support.txt
+++ b/Documentation/features/debug/debug-vm-pgtable/arch-support.txt
@@ -23,7 +23,7 @@
     |    openrisc: | TODO |
     |      parisc: | TODO |
     |     powerpc: |  ok  |
-    |       riscv: | TODO |
+    |       riscv: |  ok  |
     |        s390: |  ok  |
     |          sh: | TODO |
     |       sparc: | TODO |
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 3230c1d48562..b4e674b1e857 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -15,6 +15,7 @@ config RISCV
 	select ARCH_CLOCKSOURCE_INIT
 	select ARCH_HAS_BINFMT_FLAT
 	select ARCH_HAS_DEBUG_VIRTUAL if MMU
+	select ARCH_HAS_DEBUG_VM_PGTABLE
 	select ARCH_HAS_DEBUG_WX
 	select ARCH_HAS_GCOV_PROFILE_ALL
 	select ARCH_HAS_GIGANTIC_PAGE
-- 
2.27.0