linux-kernel - [PATCH 4/5] KVM: arm64: ptdump: Test PMD_TYPE

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Message-Id: <20241005123824.1366397-5-anshuman.khandual@arm.com>
Date: Sat,  5 Oct 2024 18:08:23 +0530
From: Anshuman Khandual <anshuman.khandual@....com>
To: linux-arm-kernel@...ts.infradead.org
Cc: Anshuman Khandual <anshuman.khandual@....com>,
	Marc Zyngier <maz@...nel.org>,
	Oliver Upton <oliver.upton@...ux.dev>,
	James Morse <james.morse@....com>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will@...nel.org>,
	Ard Biesheuvel <ardb@...nel.org>,
	Ryan Roberts <ryan.roberts@....com>,
	Mark Rutland <mark.rutland@....com>,
	kvmarm@...ts.linux.dev,
	linux-kernel@...r.kernel.org
Subject: [PATCH 4/5] KVM: arm64: ptdump: Test PMD_TYPE_MASK for block mapping

This changes stage-2 ptdump making it test given page table entries against
PMD_TYPE_SECT on PMD_TYPE_MASK bits for a block mapping, as is the case for
stage-1 ptdump.

Cc: Marc Zyngier <maz@...nel.org>
Cc: Oliver Upton <oliver.upton@...ux.dev>
Cc: James Morse <james.morse@....com>
Cc: Catalin Marinas <catalin.marinas@....com>
Cc: Will Deacon <will@...nel.org>
Cc: linux-arm-kernel@...ts.infradead.org
Cc: kvmarm@...ts.linux.dev
Cc: linux-kernel@...r.kernel.org
Signed-off-by: Anshuman Khandual <anshuman.khandual@....com>
---
 arch/arm64/kvm/ptdump.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/kvm/ptdump.c b/arch/arm64/kvm/ptdump.c
index e4a342e903e2..098416d7e5c2 100644
--- a/arch/arm64/kvm/ptdump.c
+++ b/arch/arm64/kvm/ptdump.c
@@ -52,8 +52,8 @@ static const struct ptdump_prot_bits stage2_pte_bits[] = {
 		.set	= "AF",
 		.clear	= "  ",
 	}, {
-		.mask	= PTE_TABLE_BIT | PTE_VALID,
-		.val	= PTE_VALID,
+		.mask	= PMD_TYPE_MASK,
+		.val	= PMD_TYPE_SECT,
 		.set	= "BLK",
 		.clear	= "   ",
 	},
-- 
2.25.1