From nobody Mon Feb 9 09:09:42 2026 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 05C032AE93; Mon, 10 Mar 2025 09:59:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741600768; cv=none; b=Zv4o4nNirxJp+y21AZisArQE4dt/NT9xKeY+IVLy5fByw0mdpQy7tqg+zcseduLSCFNVEHfIMoYb+83bRu0shs22YidAdlsqoL3EQWxEUzbK6/lIHfYkUdpP0tQS6YzBUkcHvcZeFd27BZiGKLslfBDun0MpoG2v+rK90GtYHCk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741600768; c=relaxed/simple; bh=nOsFQq3rKL4YonQQCQPrpTwWAHNMeeMHV+wVDjTJLC0=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=tCBfnwaycaJhmW+k0TN+x9hA2y7P5IjQx2a9Tais4wlFHm+C9dH3u9RsRvEYXCV0OSrwtqFqrQGNHepqnwf16XWOYZ6yBTeqaBje4uBLHSiGP9mO8OC/63Wlvc/cTh4bs/Etz1Oxro2QEJ1IsK6q1pZZCBzMbfMqhYKXhu4SuyQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id BF12826BA; Mon, 10 Mar 2025 02:59:37 -0700 (PDT) Received: from a077893.arm.com (unknown [10.163.42.69]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id CB0C43F673; Mon, 10 Mar 2025 02:59:19 -0700 (PDT) From: Anshuman Khandual To: linux-mm@kvack.org Cc: Anshuman Khandual , Catalin Marinas , Will Deacon , Madhavan Srinivasan , Nicholas Piggin , Paul Walmsley , Palmer Dabbelt , Gerald Schaefer , Heiko Carstens , Peter Zijlstra , Thomas Gleixner , Ingo Molnar , Andrew Morton , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, Marc Zyngier Subject: [RFC 2/2] arm64/ptdump: Replace u64 with pteval_t Date: Mon, 10 Mar 2025 15:29:02 +0530 Message-Id: <20250310095902.390664-3-anshuman.khandual@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20250310095902.390664-1-anshuman.khandual@arm.com> References: <20250310095902.390664-1-anshuman.khandual@arm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Page table entry's value, mask and protection are represented with pteval_t data type format not u64 that has been assumed while dumping the page table entries. Replace all such u64 instances with pteval_t instead as required. Cc: Catalin Marinas Cc: Will Deacon Cc: Marc Zyngier Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Anshuman Khandual --- arch/arm64/include/asm/ptdump.h | 12 ++++++------ arch/arm64/mm/ptdump.c | 4 ++-- 2 files changed, 8 insertions(+), 8 deletions(-) diff --git a/arch/arm64/include/asm/ptdump.h b/arch/arm64/include/asm/ptdum= p.h index 8baba0d1aa8f..8ade657547f9 100644 --- a/arch/arm64/include/asm/ptdump.h +++ b/arch/arm64/include/asm/ptdump.h @@ -24,8 +24,8 @@ struct ptdump_info { }; =20 struct ptdump_prot_bits { - u64 mask; - u64 val; + pteval_t mask; + pteval_t val; const char *set; const char *clear; }; @@ -34,7 +34,7 @@ struct ptdump_pg_level { const struct ptdump_prot_bits *bits; char name[4]; int num; - u64 mask; + pteval_t mask; }; =20 /* @@ -51,7 +51,7 @@ struct ptdump_pg_state { const struct mm_struct *mm; unsigned long start_address; int level; - u64 current_prot; + pteval_t current_prot; bool check_wx; unsigned long wx_pages; unsigned long uxn_pages; @@ -59,7 +59,7 @@ struct ptdump_pg_state { =20 void ptdump_walk(struct seq_file *s, struct ptdump_info *info); void note_page(struct ptdump_state *pt_st, unsigned long addr, int level, - u64 val); + pteval_t val); void note_page_pte(struct ptdump_state *st, unsigned long addr, pte_t pte); void note_page_pmd(struct ptdump_state *st, unsigned long addr, pmd_t pmd); void note_page_pud(struct ptdump_state *st, unsigned long addr, pud_t pud); @@ -74,7 +74,7 @@ static inline void ptdump_debugfs_register(struct ptdump_= info *info, #endif /* CONFIG_PTDUMP_DEBUGFS */ #else static inline void note_page(struct ptdump_state *pt_st, unsigned long add= r, - int level, u64 val) { } + int level, pteval_t val) { } static inline void note_page_pte(struct ptdump_state *st, unsigned long ad= dr, pte_t pte) { } static inline void note_page_pmd(struct ptdump_state *st, unsigned long ad= dr, pmd_t pmd) { } static inline void note_page_pud(struct ptdump_state *st, unsigned long ad= dr, pud_t pud) { } diff --git a/arch/arm64/mm/ptdump.c b/arch/arm64/mm/ptdump.c index 0c66c8474a48..7950c0e9e89c 100644 --- a/arch/arm64/mm/ptdump.c +++ b/arch/arm64/mm/ptdump.c @@ -189,12 +189,12 @@ static void note_prot_wx(struct ptdump_pg_state *st, = unsigned long addr) } =20 void note_page(struct ptdump_state *pt_st, unsigned long addr, int level, - u64 val) + pteval_t val) { struct ptdump_pg_state *st =3D container_of(pt_st, struct ptdump_pg_state= , ptdump); struct ptdump_pg_level *pg_level =3D st->pg_level; static const char units[] =3D "KMGTPE"; - u64 prot =3D 0; + pteval_t prot =3D 0; =20 /* check if the current level has been folded dynamically */ if (st->mm && ((level =3D=3D 1 && mm_p4d_folded(st->mm)) || --=20 2.25.1